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2006 ³â 05 ¿ùÀÇ ±Û¸ñ·Ï
 
Proteomics Technology for Plasma & Serum [2006/05/31]
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Subject
Proteomics Technology for Plasma & Serum  
2006/05/31 (Wed)
11:23:02 am
http://www.tioh.net/zog_nackseo/?no=269
    

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Proteomics Technology for Plasma & Serum

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2006-05-23 16:06:26

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 Proteomics Technology for Plasma & Serum

 

Detecting Low-Abundance Biomarkers without Immunoaffinity Depletion of Abundant Proteins


Yuqiao Shen, Ph.D., Li Li, Ph.D., Jian Liao, Ph.D.

 

Fig.1: Immunoaffinity depletion of the high-abundance proteins removes many potentially important marker proteins. In addition to the 12 proteins that are designed to bind to the column, a large number of low-abundance proteins are also bound to the column

 

Blood is a rich and readily accessible source for the detection of diagnostic markers and therapeutic targets in many human diseases, such as cardiovascular diseases, neurological disorders, and cancer. Currently, however, only a handful of plasma proteins are routinely used in the clinic for diagnostic purposes. This is largely due to the lack of an effective technology platform that rapidly detects and quantifies specific changes of the low-abundance proteins in plasma. The dynamic range of plasma protein concentrations comprises greater than ten orders of magnitude, and the low-abundance proteins are difficult to detect as they are often masked by the high-abundance proteins, particularly albumin.

 

Immunoaffinity chromatography has been used to remove the most abundant plasma proteins, yielding an enriched pool of low-abundance proteins for studies. Although this strategy has achieved some success, it has drawbacks.

 

Applied Biomics (www.appliedbiomics.com) has developed a technology by which thousands of low-abundance plasma proteins can be resolved and quantitatively analyzed on 2-D gels without immunoaffinity depletion of the abundant proteins. This technology allows for more sensitive detection and accurate quantification of low-abundance plasma proteins.

 

Analysis of the proteome of plasma and serum represents a challenge due to the wide range of protein concentrations and high structural complexity of the constituent proteins in these samples. In serum and plasma, the quantities of high-abundance proteins and some low-abundanceproteins span over 10 orders of magnitude. The 12 most abundant plasma proteins comprise more than 90% of total protein content in plasma.

 

Although changes in some resident proteins have proven to be of predictive value in several human diseases, it is generally established that the low-abundance proteins likely contain most of the useful biomarkers. To date, the most common approach is immunoaffinity-based depletion. Although this strategy has increased the number of detectable proteins in plasma/serum analysis, it has several major drawbacks.

 

First, up to 90% of potential protein biomarkers are associated with the highly abundant carrier proteins in blood. Thus, depletion of the high-abundance proteins also removes many potentially important marker proteins. In addition, some low-abundance proteins may be retained in the column through nonspecific binding to antibodies and/or beads, resulting in their loss from the flow-through fractions. This has been shown by many studies and is also demonstrated by our experiment (Figure 1).


Second, extensive sample handling during the depletion process increases the chance of sample loss, protein degradation, and modification artifacts, resulting in substantial sample-to-sample variation.

 

Third, samples are diluted during the depletion process, making them less suitable for many downstream analyses. For many applications, steps must be taken to concentrate the proteins, which again can result in the loss of certain proteins and introduce analysis deviation.

 

Finally, the depletion process is time-consuming, and the immunoaffinity columns are rather expensive. Regeneration of the columns inevitably results in the decline of antigen binding efficiency, which further increases the cost and contributes to sample-to-sample variation.

 

Profiling without Immunoaffinity Depletion

 

Fig.2: Focusing on the LMW plasma proteins. Typically, more than 2,000 protein spots can be resolved using Applied Biomics' conditiions.

 

Applied Biomics¡¯ strategy focuses on the low-abundance, low molecular weight (LMW) proteins in blood. In general, only the LMW proteins and peptides are small enough to leak from the surrounding tissues into blood to produce diagnostic traces. Furthermore, many signaling molecules transmitted through the bloodstream are small proteins, often below 40 kDa. The LMW portion of the blood proteome is a treasure trove of diagnostic information.

 

In order to specifically detect LMW protein biomarkers in blood and compare their relative abundance between disease samples and normal controls, Applied Biomics optimized 2-D gel analysis by adopting three technology improvements. First, plasma/serum samples are denatured under conditions that are designed to effectively solubilize small proteins and peptides, but not the larger proteins that are over 45 kDa. Under such conditions, the LMW proteins can be efficiently focused in the isoelectric focusing (IEF) strips (GE Healthcare). High molecular weight proteins and high-abundance proteins (most of which are greater than 45 kDa) are poorly absorbed into the IEF strips.

 

Furthermore, high percentage (>13.5%) SDS-PAGE gels are used for the second-dimension separation, thereby maximizing resolution of the LMW proteins. This has resulted in a significantly increased number of detectable proteins at the LMW range of the plasma/serum proteome (Figure 2). Because the samples are thoroughly denatured, LMW proteins are completely dissociated from the carrier proteins so that no loss of LMW proteins will result from the treatment.

 

Second, 2-D differential in-gel electrophoresis (2-D DIGE), rather than regular 2-D gel electrophoresis, is used for the detection and quantification of protein differences between test and control samples. Each sample is separately labeled with a distinct fluorescent CyDye (Cy2, Cy3, or Cy5). The labeled samples are mixed together and resolved on a single 2-D gel, and the corresponding protein spot patterns are visualized by multichannel scanning of the same gel. The resulting images are analyzed both visually and by using software such as DeCyder (GE Healthcare).

 

Fluorescent labeling increases the detection sensitivity over standard colorimetric staining methods. More protein spots can be detected and analyzed: using the optimized protocol for LMW plasma proteins, Coomassie brilliant blue staining typically has a detection limit in the range of 300 protein spots on a 13x15 cm gel, silver staining approximately 1,200, whereas fluorescent labeling with CyDyes typically allows for the detection of more than 2,000 protein spots.

 

Post-electrophoretic staining with fluorescent dyes (such as SYPRO Ruby) displays a similar detection sensitivity to that of CyDye-labeling. However, post-electrophoretic processing increases the possibility of protein losses particularly in the LMW range.

Most critical is the increased confidence with 2-D DIGE that differences in spot fluorescence intensity are purely attributable to biological and not experimental variation, as realized by the complete elimination of gel-to-gel variability through using a single gel for the comparison of different plasma samples. Because every protein spot has its own internal control, small differences in protein abundance (as low as 15%) between samples can be detected with greater than 95% statistical confidence.

 

Third, using 2-D DIGE technology allows several plasma samples (each labeled with a different fluorescent CyDye) to be mixed and partitioned simultaneously. For example, centrifugation of the mixture in a spin-style concentrator with a defined molecular weight cut-off size can proportionally remove high molecular weight proteins from each sample. The co-partitioning process is intrinsically more reliable than partitioning in parallel, as the latter will inevitably introduce sample-to-sample variability during the partitioning steps and compromise quantitative accuracy.

 

Figure 3 shows an example that demonstrates the potential of these strategies for biomarker discovery. It is now possible to analyze the plasma proteome from multiple species in a potentially rapid and large-scale capacity for biomarker discovery, drug target discovery, and toxicology studies.
 

Broad Applications

 


Fig.3: Identifying differentially expressed protein markers in plasma samples. The 3-D images show the two protein spots that are clearly overexpressed in the treated plasma sample.

 

2-D gel electrophoresis is one of the most popular and effective discovery tools in proteomics research. To date, however, its application in studying the plasma/serum proteome is limited, as are other available proteomics technologies. The massive complexity of the proteins in plasma and serum presents a tremendous challenge and calls for a highly parallel display and quantification strategy.

 

Applied Biomics¡¯ 2-D DIGE-based technology allows parallel protein analysis on 2-D gels and holds promise to accelerate the discovery of novel protein biomarkers in plasma and serum. Furthermore, the co-partitioning process described here is applicable to many other sample types, such as urine, saliva, cell, and tissue protein extracts, to minimize sample-to-sample variation and facilitate quantitative analysis

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2006/05/28 (Sun)
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tioh´Ô Æ®·¢¹é°ú ÄÚ¸àÆ®(0) | ³» ºí·Î±×¿¡ ´ã±â
Subject
Two-hybrid screening  
2006/05/23 (Tue)
03:37:05 pm
http://www.tioh.net/zog_nackseo/?no=267
    

Two-hybrid screening

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Overview of two-hybrid assay as follows.  Binding and activating domains of transcription factor GAL4 are fused to two proteins being tested for interactions.  The two proteins are termed "bait" and "library".  If "bait" and "library" interact, transcription of "reporter gene" occurs.  Otherwise, "reporter gene" is silent.
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Overview of two-hybrid assay as follows. Binding and activating domains of transcription factor GAL4 are fused to two proteins being tested for interactions. The two proteins are termed "bait" and "library". If "bait" and "library" interact, transcription of "reporter gene" occurs. Otherwise, "reporter gene" is silent.

Two-hybrid screening is a molecular biology technique used to discover protein-protein interactions by testing for physical interactions (such as binding) between two proteins. One protein is termed the bait and the other is a prey or library.

The premise behind the test is the activation of downstream reporter gene(s) by the binding of a transcription factor onto an upstream activating sequence (UAS). For the purposes of two-hybrid screening, the transcription factor is split into two separate fragments, called Binding Domain (BD) and Activating Domain (AD). The BD is the domain responsible for binding to the UAS and the AD is the domain responsible for activation of transcription.

The key to the two-hybrid screen is that in most eukaryotic transcription factors, the activating and binding domains are modular and can function in close proximity to each other without direct binding. This means that even though the transcription factor is split into two fragments, it can still activate transcription when the two fragments are indirectly connected.

The most common screening approach is the yeast two-hybrid assay. This system utilizes a genetically engineered strain of yeast in which the biosynthesis of certain nutrients (usually amino acids or nucleic acids) is lacking. When grown on media that lacks these nutrients, the yeast fail to survive. This mutant yeast strain can be made to incorporate foreign DNA in the form of plasmids. In yeast two-hybrid screening, separate bait and prey plasmids are simultaneously introduced into the mutant yeast strain. Each plasmid contains separate genes allowing synthesis of certain nutrients. One common system utilizes bait plasmid that synthesizes the amino acid, tryptophan, and the prey plasmid synthesizes the amino acid, leucine. When transformed together into yeast, these plasmids allow the mutant yeast to grow on media lacking both tryptophan and leucine.

Bait plasmids are also engineered to produce a protein product in which the BD fragment is fused onto the bait protein. Prey plasmids are engineered to produce a protein product in which the AD fragment is fused onto the prey protein. Whereas the bait protein is typically a known protein that the investigator is using to identify new binding partners, the prey protein can be either a known protein or a random library protein. If the bait and prey proteins interact (i.e. bind), then the AD and BD of the transcription factor are indirectly connected and transcription of reporter gene(s) occurs. If the two proteins do not interact, there is no transcription of the reporter gene. Typically, reporter genes encode for enzymes that allow synthesis of other specific nutrients that the mutant yeast strain is otherwise unable to produce. In one system, reporter genes include histidine and adenine biosynthesis. Thus, if two proteins in a screen interact, yeast containing these proteins will grow on media lacking tryptophan (allowed by the bait plasmid), leucine (allowed by the prey plasmid), adenine and histidine (allowed by interaction between bait and prey proteins, driving reporter genes). A screen in which there is no interaction between bait and prey proteins would yield yeast that grow on media lacking tryptophan and leucine only (because without bait/prey interaction, the AD and BD do not form a functional transcription factor allowing reporter nutrient biosynthesis). Another reporter gene includes an enzyme system to produce blue color- interactions result in yeast colonies that can generate blue color under certain conditions.

With a certain bait protein, two hybrid screening can be "directed" to test for protein-protein interaction with a known protein inserted into prey plasmid. Alternatively, "library screening" involves pairing bait protein with millions of different prey plasmids that have been engineered to produce protein from a unique, randomly inserted DNA fragment. The DNA fragments in library prey plasmids are synthesized from messenger RNA from a specific organism or tissue. As such they represent a "library" of the proteins expressed in a given organism or tissue and allow investigators to search for new protein-protein interactions from amongst all the proteins expressed in the species or tissue of choice.

Related techniques include one-hybrid screening and three-hybrid screening. The former tests directly for interaction between the library protein and a DNA target and the latter includes a third protein that bridges the bait and library proteins.

A common transcription factor used for yeast two-hybrid screening is GAL4.

tioh´Ô Æ®·¢¹é°ú ÄÚ¸àÆ®(1) | ³» ºí·Î±×¿¡ ´ã±â
Subject
NT-1 ¼¼Æ÷ : ¼­¿ï´ë Á¶»çÀ§ÀÇ ¹ßÇ¥¿¡ ´ëÇÑ ¹Ý·Ð  
2006/05/05 (Fri)
10:32:27 pm
http://www.tioh.net/zog_nackseo/?no=266
    

I. NT-1B(1¹ø Áٱ⼼Æ÷)´Â ÀÌÀ¯ÁøÀÌ ¸¸µé¾ú´Ù?

- ½ÇÇèÀÇ ÁÖü´Â ¹ÚÀ»¼øÀÌ°í ¹ÚÀ»¼øÀº ¹Ì¼º¼÷ ³­ÀÚ·Î ½ÇÇèÇÏÁö ¾Ê´Â´Ù -

1. ½ÇÇèÀÚ°¡ ¹ÚÀ»¼øÀ̶ó´Â °ÍÀÇ ÀǹÌ

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¡¦´ç½Ã ÀÌÀ¯Áø ¿¬±¸¿øÀº ¿¬±¸ÆÀ ³»¿¡¼­ Áٱ⼼Æ÷ ¹è¾ç ÀÓ¹«¸¦ ¸Ã°íÀÖ¾úÀ¸¸ç, ÇÙÀÌ½Ä °æÇèÀº °ÅÀÇ ¾ø´Â »óÅ¿´´Ù. ·ù¿µÁØ ¿¬±¸¿ø°ú ÀÌÀ¯Áø ¿¬±¸¿øÀÇ Áø¼ú¿¡ ÀÇÇϸé ÇÙÀ̽Ŀ¡ Àͼ÷ÇÏÁö ¾ÊÀº »óȲ ¿¡¼­ ½ÃÇàµÈ ½ÇÇèÀ̶ó ½ÇÇè µµÁß 1Â÷ ±Øü°¡ ´Ù½Ã ³­ÀÚ ³»·Î À¯À﵃ °¡´É¼ºÀÌ ÀÖ´Ù°í ÇÏ¿´´Ù.

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°ËÂûÀº ±×°£ »ý¸í°úÇÐ ºÐ¾ß Àü¹®°¡µéÀÇ ¼Òȯ Á¶»ç¿¡¼­ 1¹ø Áٱ⼼Æ÷°¡ ó³à»ý½Ä Áٱ⼼Æ÷·Î ´ÜÁ¤ÇÒ ¼ö ¾ø´Ù´Â ÀÇ°ßµµ »ó´ç¼ö ûÃëÇÑ °ÍÀ¸·Î ÀüÇØÁ³´Ù. (1¹ø Áٱ⼼Æ÷ ¹ÚÀ»¼ø ¿¬±¸¿øÀÌ ¼ö¸³(Á¾ÇÕ2º¸), ¿¬ÇÕ´º½º, 2006-02-07)

 

ÇÏÁö¸¸ ¼­Á¶À§´Â ´ÙÀ½°ú °°ÀÌ º¯¸íÇÑ´Ù.

2. ¼­¿ï´ë Á¶»çÀ§ÀÇ º¯¸í

¹ÚÀ»¼ø ¿¬±¸¿øÀÌ È²¿ì¼® ¼­¿ï´ë ¼öÀÇ´ë ±³¼öÆÀÀÇ Áٱ⼼Æ÷ 1¹ø(NT-1)À» ¸¸µé¾ú´Ù´Â °ËÂû ÆÇ´Ü¿¡ ´ëÇØ ¼­¿ï´ë Á¶»çÀ§¿øµéÀº ´Ü¼º(ó³à)»ý½Ä °¡´É¼ºÀÌ Å©´Ù´Â ±âÁ¸ ÀÔÀå¿¡´Â º¯ÇÔÀÌ ¾ø´Ù°í ¸»Çß´Ù.

À͸íÀ» ¿ä±¸ÇÑ ÇÑ Á¶»çÀ§¿øÀº ¡¦"NT-1 ½ÇÇèÀÚ°¡ ¹Ú ¿¬±¸¿øÀÎÁö ÀÌÀ¯Áø ¿¬±¸¿øÀÎÁö´Â °úÇÐÀû °á·ÐÀ̳ª ³í¹® Á¶ÀÛ °æÀ§¿Í´Â ÀüÇô ¹«°üÇÏ´Ù"¸ç È®´ëÇؼ®À» °æ°èÇß´Ù.

±×´Â "NT-1ÀÌ Á¦´ë·Î µÈ ü¼¼Æ÷ ÇÙġȯ Áٱ⼼Æ÷°¡ ¾Æ´Ï¶ó´Â Á¡Àº ÀÌ¹Ì µ¥ÀÌÅÍ·Î Áõ¸íµÈ »ç½ÇÀÌ¸ç ¾î¶² ¸ÞÄ¿´ÏÁòÀÌµç ´Ü¼º»ý½Ä °¡´É¼ºÀÌ ¾ÐµµÀûÀ¸·Î ³ô´Ù´Â º¸°í¼­ÀÇ °úÇÐÀû °á·Ð¿¡´Â ÀüÇô º¯ÇÔÀÌ ¾ø´Ù"°í °­Á¶Çß´Ù.

´Ù¸¥ Á¶»çÀ§¿øÀº "°ËÂûÀÌ Ã¶ÀúÈ÷ Á¶»çÇØ ³»¸° °á·ÐÀ̶ó°í ¹Ï´Â´Ù"¸ç "¹Ì±¹ ü·ùÁßÀÌ´ø ¹ÚÀ»¼ø ¿¬±¸¿ø¿¡ ´ëÇÑ Á¶»ç´Â e-¸ÞÀÏÀ» ÅëÇØ ÀÌ·ïÁ³°í ´ç½Ã Á¶»ç°¡ ³­ÀÚ Ã¤Ãë °úÁ¤¿¡ ÁýÁߵƱ⠶§¹®¿¡ NT-1 °ü·Ã Áø¼úÀº ¹ÞÁö ¸øÇß´Ù"°í ¸»Çß´Ù.

±×´Â "ÀÌÀ¯Áø ¿¬±¸¿øÀÌ NT-1 ½ÇÇèÀÚ·Î Áö¸ñµÆ´ø °ÍÀº ÀÛ³â 12¿ù ¸» ´Ü¼º»ý½Ä °¡´É¼ºÀ» °­ÇÏ°Ô µÞ¹ÞħÇÏ´Â DNA Áö¹®ºÐ¼® °á°ú°¡ ³ª¿Â µÚ"¶ó¸ç "ÀÌ ¿¬±¸¿øÀÌ Ã³À½ºÎÅÍ Àû±ØÀûÀ¸·Î `³»°¡ ¸¸µé¾ú´Ù'°í ÁÖÀåÇß´ø °ÍÀº ¾Æ´Ï´Ù"¶ó°í ¸»Çß´Ù. (¼­¿ï´ë "´Ü¼º»ý½Ä °¡´É¼º ¿©ÀüÈ÷ Å©´Ù", ¿¬ÇÕ´º½º, 2006-02-07)

1) 2004³â ³í¹®ÀÇ ³­±¸¼¼Æ÷(cumulus cell)¸¦ ÀÌ¿ëÇÑ ÀÚ°¡ÇÙÀÌ½Ä ½ÇÇèÀº Å©°Ô (°¡) Åõ¸í´ë Àý°³ (³ª) ¼öÇÙ³­ÀÚÀÇ ±Øü¿Í ÇÙ Á¦°Å (´Ù) ³­±¸¼¼Æ÷ À̽ÄÀÇ °úÁ¤À¸·Î ÁøÇàµÇ¾ú´Ù. ¾Æ·¡ »çÁøÀÌ ½ÇÇè¿¡ ¾²¿´À» Á¦2³­¸ð¼¼Æ÷Àε¥, º¸½Ã´Ù½ÃÇÇ Á¦1±Øü°¡ È®¿¬ÇÏ°Ô ±¸ºÐµÈ´Ù. µû¶ó¼­ Àú·¸°Ô È®¿¬È÷ ±¸ºÐµÇ´Â Á¦1±Øü°¡ ½Ã¼úÀÚ°¡ Çö¹Ì°æÀ» ÅëÇØ ÁöÄѺ¸´Â °¡¿îµ¥ ´Ù½Ã ¼¼Æ÷ ¾ÈÀ¸·Î µé¾î°¥ °¡´É¼ºÀÌ ¸Å¿ì Èñ¹ÚÇÏ´Ù.

 

´õ±º´Ù³ª ÇÙġȯ Àü¹®°¡ÀÎ ±è¼ö ¿¬±¸¿ø¿¡ µû¸£¸é, ±Øü´Â ü¼¼Æ÷ ÇÙÀ» À̽ÄÇÏ´Â °úÁ¤¿¡¼± ÀÌ¹Ì ¿ÏÀüÈ÷ °Ý¸®µÈ »óÅÂÀÌ´Ù.

¡°¡¦(Áú¹®ÀÚ) ü¼¼Æ÷ ÇÙÀ» ³ÖÀ» ¶§ ±Øü°¡ µû¶ó µé¾î°¥ ¼ö ÀÖ´Â È®·üÀÌ ÀÖ½À´Ï±î? (±è¼ö ¿¬±¸¿ø) ü¼¼Æ÷ ÇÙÀ» ³ÖÀ» ¶§ ±Øü´Â Á¦°ÅµÈ »óÅ°í¿ä, ±×... ½ÇÇèÇÏ´Â Àå¼Ò¿¡ ¾ø¾î¿ä. (Áú¹®ÀÚ) ±Øü¸¦ Á¦°ÅÇß´Ù´Â °ÍÀº À°¾ÈÀ¸·Î È®ÀÎÀÌ ÃæºÐÈ÷ µÇ³ª? (±è¼ö ¿¬±¸¿ø) ¿¹¡¦¡± (±è¼ö ¿¬±¸¿ø, Áٱ⼼Æ÷ ÀÖ°í, ´Ù½Ã ¸¸µé ÀÚ½ÅÀÖ´Ù.!!!, ÆÇ, 2006-02-23)

Âü°í·Î, ¾Æ·¡ÀÇ À̹ÌÁö´Â ¼öÁ¤µÈ ³­ÀÚ¿¡¼­ À¯ÀüÀÚ °Ë»ç¸¦ À§ÇØ ±Øü¸¦ äÃëÇÏ´Â °úÁ¤ÀÌ´Ù. ¼öÁ¤µÈ ³­ÀÚÀ̱⿡ Á¦2±Øü(1°³)¿Í Á¦3±Øü(2°³)°¡ ¸ðµÎ »ý¼ºµÇ¾î ÃÑ 3°³ÀÇ ±Øü°¡ º¸ÀδÙ.

 

 

°Ô´Ù°¡ ¼­Á¶À§°¡ ÁÖÀåÇÑ "ºÒ¿ÏÀü Å»ÇÙ"Àº, ¨ç³­ÀÚÀÇ ÇÙÀÌ Á¦´ë·Î ºüÁ® ³ª¿ÀÁö ¸øÇ߰ųª, ¨èÀÌ¹Ì ºüÁ® ³ª¿Â ÇÙÀÌ ´Ù½Ã ³­ÀÚ ¼ÓÀ¸·Î À¯ÀԵǾú°Å³ª µÑ ÁßÀÇ ÇϳªÀÏ °ÍÀε¥, ¨çÀÇ °æ¿ì, Ȳ±³¼ö ÆÀÀº ¸ðµç ³­ÀÚ¿¡¼­ ÇÙÀÌ ¿ÏÀü Á¦°ÅµÈ °ÍÀ» È®ÀÎ ÈÄ ´ÙÀ½ ´Ü°è·Î ÁøÇàÇß´Ù°í ³í¹®¿¡¼­ ¹àÈ÷°í ÀÖ´Ù. ¹«·Á 5ºÐ°£À̳ª ¿°»öÇؼ­ Çü±¤Çö¹Ì°æÀ¸·Î ³­ÀÚ ÇÙÀÌ ¿ÏÀüÈ÷ Å»ÇٵǾú´ÂÁö È®ÀÎ ÈÄ¿¡ ½ÇÇèÀ» ÁøÇàÇÑ °ÍÀÌ´Ù.

 

 

 

ÀÌ´Â ·ù¿µÁØÀÇ ¼®»ç ³í¹®¿¡¼­µµ Àß ³ªÅ¸³ª ÀÖ´Ù (Ä¡·á¸ñÀûÀ¸·Î ÀûÃâµÈ Àΰ£ ³­¼Ò·ÎºÎÅÍ È¸¼öÇÑ ¹Ì¼º¼÷ ³­ÀÚÀÇ Àΰø ¼öÁ¤ ¹× ü¼¼Æ÷ ÇÙÀ̽Ŀ¡ È°¿ë ; 49ÆäÀÌÁö The first PB and adjacent cytoplasm, presumably containing the MII chromosomes, were extruded by squeezing method. Oocytes were then stained with 5 mcg /ml bisbenzimide for 5 min and observed under an inverted microscope equipped with epifluorescence).

¨èÀÇ °æ¿ì, ¾ÐÃâµÈ ³­ÀÚÀÇ ÇÙÀº ¾Æ·¡ÀÇ »çÁø°ú °°Àº »óÅ¿¡ ³õÀÌ°Ô µÇ±â¿¡, ÀÏ´Ü Åõ¸í´ë ¹ÛÀ¸·Î ¾ÐÃâµÈ ÈĶó¸é ´Ù½Ã ³­ÀÚ ¼ÓÀ¸·Î ÇÙÀÌ À¯À﵃ °¡´É¼ºÀº Èñ¹ÚÇØ º¸ÀδÙ.

 

 

 

¶ÇÇÑ, 'Á¦1±Øü À¯ÀÔ¿¡ ÀÇÇÑ ´Ü¼º»ý½Ä'ÀÌ ¼º°øÇÏ·Á¸é ÀÌ ´ç½Ã ³­±¸¼¼Æ÷ »ðÀÔÀº ½ÇÆÐÇß¾î¾ß¸¸ ÇÑ´Ù. ¿Ö³ÄÇÏ¸é ¸¸¾à ³­±¸¼¼Æ÷ »ðÀÔ¿¡ ¼º°øÇß´Ù¸é ÀÌ ´ç½Ã ³­ÀÚ ¾È¿¡´Â {¿ø·¡ ÀÖ´ø ³­ÀÚÇÙ(n) + ±ØüÀÇ ÇÙ(n)+ »õ·Î ÁÖÀÔµÈ Ã¼¼¼Æ÷ ÇÙ(2n)}ÀÌ °°ÀÌ µé¾îÀÖ¾î 4n »óÅ¿´À» °ÍÀ̱⠶§¹®ÀÌ´Ù.

 

 

 

ÀÌó·³, ¼­Á¶À§ÀÇ "Á¦1±Øü À¯ÀÔ¿¡ ÀÇÇÑ ´Ü¼º»ý½Ä"ÀÌ °¡´ÉÇÏ·Á¸é {±Øü Á¦°Å ½ÇÆÐ + ³­ÀÚÇÙ Á¦°Å ½ÇÆÐ + ¿ì¿¬È÷ ±Øü À¯ÀÔ + ³­±¸¼¼Æ÷ »ðÀÔ ½ÇÆÐ}°¡ µ¿½Ã¿¡ ÀϾ ³­ÀÚ°¡ Áٱ⼼Æ÷ÁÖ È®¸³¿¡±îÁö ¼º°øÇØ¾ß Çϴµ¥, ¼÷·Ã ¿¬±¸¿øÀÎ ¹ÚÀ»¼ø¿¡ ÀÇÇØ Á¤»óÀûÀ¸·Î ½ÇÇèÀÌ ÀÌ·ç¾îÁ³´Ù¸é ±× °¡´É¼ºÀº ¸Å¿ì ³·´Ù. 

¾Õ¼­ ¹àÇûµíÀÌ, ¾ÖÃÊ¿¡ ¼­Á¶À§´Â Á¶»ç°á°ú º¸°í¼­´Â  "ºñ¼÷·Ã ¿¬±¸¿ø"ÀÌ "¹Ì¼º¼÷ ³­ÀÚ"¸¦ °¡Áö°í "¿¬½À »ï¾Æ" ÇÙÀÌ½Ä ½ÇÇèÀ» ÇÏ´Ù°¡ "¿ì¿¬È÷" ±Øü°¡ À¯ÀÔµÇ¾î ¸¸µé¾îÁ³´Ù´Â °ÍÀ̾ú´Ù. ±×·¸±â¿¡ '¼÷·Ã ¿¬±¸¿ø'ÀÎ ¹ÚÀ»¼øÀÌ '¼º¼÷ÇÑ ³­ÀÚ'¸¦ »ç¿ëÇß´Ù¸é, ±ØüÀÇ "¿ì¿¬"ÇÑ À¯ÀÔ¿¡ ÀÇÇÑ ´Ü¼º»ý½Ä °¡´É¼ºÀÌ ¿øõÀûÀ¸·Î »ç¶óÁ® ¹ö¸®´Âµ¥, µµ´ëü ¾î¶»°Ô "½ÇÇèÀÚ°¡ ¹Ú ¿¬±¸¿øÀÎÁö ÀÌÀ¯Áø ¿¬±¸¿øÀÎÁö´Â °úÇÐÀû °á·ÐÀ̳ª ³í¹® Á¶ÀÛ °æÀ§¿Í´Â ÀüÇô ¹«°ü"ÇÒ ¼ö°¡ Àִ°¡?

2) 'NT-1Àº ´Ü¼º»ý½Ä¿¡ ÀÇÇØ ¸¸µé¾îÁ³´Ù'¸ç 2004³â ³í¹®ÀÇ Á¸Àç °¡Ä¡ ÀÚü¸¦ ºÎÁ¤ÇÏ´Â °á°ú¸¦ ³» ³õ¾Ò´ø ÀÚµéÀÌ, ÀÌÁ¦ ¿Í¼­ "¹Ì±¹ ü·ù ÁßÀÌ´ø ¹ÚÀ»¼ø ¿¬±¸¿ø¿¡ ´ëÇÑ Á¶»ç´Â e-¸ÞÀÏÀ» ÅëÇØ ÀÌ·ïÁ³°í ´ç½Ã Á¶»ç°¡ ³­ÀÚ Ã¤Ãë °úÁ¤¿¡ ÁýÁߵƱ⠶§¹®¿¡ NT-1 °ü·Ã Áø¼úÀº ¹ÞÁö ¸øÇß´Ù"¶ó°í °í¹éÇÑ´Ù. ±×·¯´Ï±î, Á¤ÀÛ ÇÙġȯ ´ã´çÀÚ¿´´ø ¹ÚÀ»¼ø¿¡°Ô´Â À̸¦ È®ÀÎÇØ º¸Áöµµ ¾Ê°í, ÀÌÀ¯Áø¿¡ ÀÇÇÑ ´Ü¼º»ý½ÄÀ» ±âÁ¤»ç½ÇÈ­ ½ÃÄ×´Ù´Â ¸»ÀÌ´Ù.

3) °Ô´Ù°¡, "ÀÌ ¿¬±¸¿øÀÌ Ã³À½ºÎÅÍ Àû±ØÀûÀ¸·Î `³»°¡ ¸¸µé¾ú´Ù'°í ÁÖÀåÇß´ø °ÍÀº ¾Æ´Ï´Ù"¶ó°í ÇÑ´Ù. ±×·¸´Ù¸é, º¸°í¼­¿¡ ¸í½ÃµÈ ¹Ù, "·ù¿µÁØ ¿¬±¸¿ø°ú ÀÌÀ¯Áø ¿¬±¸¿øÀÇ Áø¼ú¿¡ ÀÇÇϸé"À̶ó´Â ¹®±¸´Â ¹«¾ùÀΰ¡?

·ù¿µÁØ ¿¬±¸¿ø°ú ÀÌÀ¯Áø ¿¬±¸¿øÀÇ Áø¼ú¿¡ ÀÇÇϸé ÇÙÀ̽Ŀ¡ Àͼ÷ÇÏÁö ¾ÊÀº »óȲ¿¡¼­ ½ÃÇàµÈ ½ÇÇèÀ̶ó ½ÇÇè µµÁß 1Â÷ ±Øü°¡ ´Ù½Ã ³­ÀÚ ³»·Î À¯À﵃ °¡´É¼ºÀÌ ÀÖ´Ù°í ÇÏ¿´´Ù. (p. 22)

1¹ø Áٱ⼼Æ÷ ¼ö¸³ ½Ã °ø¿©ÀÚ BÀÇ ³­ÀÚ¿¡ ´ëÇÑ ÇÙÀ̽ÄÀÌ ¹ö·ÁÁö´Â ¹Ì¼º¼÷ ³­ÀÚ¸¦ »ç¿ëÇØ ¼÷·ÃµÈ ¿¬±¸¿øÀÌ ¾Æ´Ñ ºñ¼÷·Ã ¿¬±¸¿ø¿¡ ÀÇÇÏ¿© ¿¬½À¸ñÀûÀ¸·Î ¼öÇàµÇ¾ú´Ù´Â ÇØ´ç ¿¬±¸¿øÀÇ Áø¼úÀ» °¨¾ÈÇϸé, 1¹ø Áٱ⼼Æ÷´Â ÇÙÀÌ½Ä °úÁ¤ Áß ºÒ¿ÏÀü Å»ÇÙ°ú ³­ÀÚ ¿·¿¡ ºÙ¾îÀÖ´Â 1Â÷ ±Øü(polar body)ÀÇ À¯ÀÔ¿¡ ÀÇÇØ À¯¹ßµÈ ó³à»ý½Ä(parthenogenesis) °úÁ¤À¸·Î ¸¸µé¾îÁ³À» °¡´É¼ºÀÌ ¸Å¿ì ³ô´Ù°í ÆǴܵȴÙ. (p. 23)

±×·¯´Ï±î, ´ç»çÀÚÀÎ ÀÌÀ¯ÁøÀÌ ÁÖÀåÇÏÁöµµ ¾Ê¾Ò´Âµ¥, ¼­Á¶À§°¡ ¸¶À½´ë·Î 'ÀÌÀ¯Áø¿¡ ÀÇÇÑ ´Ü¼º»ý½Ä'À» º¸°í¼­¿¡ ¿Ã¸° °ÍÀ̾ú³ª?

 


II. ¿Ü¹è¿±ÀÌ °üÂûµÇÁö ¾Ê¾Ò´Ù?

- 2004 ³í¹®Àº ü¼¼Æ÷ °ø¿©ÀÚÀÇ Á¤º¸¸¸ ¼öÁ¤ÇÏ¸é µÈ´Ù -

¼­¿ï´ë Á¶»çÀ§(ÀÌÇÏ, ¼­Á¶À§)´Â ü¼¼Æ÷ °ø¿©ÀÚ BÀÇ DNA ºÐ¼®°á°ú ü¼¼Æ÷ º¹Á¦ Áٱ⼼Æ÷ÁÖ°¡ ¾Æ´Ï¶ó "ó³à»ý½Ä °úÁ¤À¸·Î ¸¸µé¾îÁ³À» °¡´É¼ºÀÌ ¸Å¿ì ³ô´Ù"°í ¹ßÇ¥Çß´Ù. 

 

1¹ø Áٱ⼼Æ÷´Â ÇÙÀÌ½Ä °úÁ¤ Áß ºÒ¿ÏÀü Å»ÇÙ°ú ³­ÀÚ ¿·¿¡ ºÙ¾îÀÖ´Â 1 Â÷ ±Øü (polar body)ÀÇ À¯ÀÔ¿¡ ÀÇÇØ À¯¹ßµÈ ó³à»ý½Ä(parthenogenesis) °úÁ¤À¸·Î ¸¸µé¾îÁ³À» °¡´É¼ºÀÌ ¸Å¿ì ³ô´Ù°í ÆǴܵȴÙ. (¼­Á¶À§ ÃÖÁ¾º¸°í¼­, p. 23)

 

ÇÏÁö¸¸ 2004³â ³í¹® ÃÊ·Ï¿¡ ÀÌ¹Ì "ó³à»ý½Ä °¡´É¼ºÀ» ¿Ïº®ÇÏ°Ô ¹èÁ¦ÇÒ ¼ö´Â ¾ø¾îµµ (Although we cannot completely exclude the possibility that the cells had a parthernogenetic origin)"¶ó°í ¸í½ÃµÇ¾î Àֱ⿡, ó³à»ý½ÄÀÌ ÀǽɵǴõ¶óµµ Áٱ⼼Æ÷ÁÖ¸¸ È®¸³µÇ¾ú´Ù¸é ³í¹®ÀÌ Á¶À۵Ǿú´Ù°í ¸»ÇÒ ¼ö ¾ø´Ù. µû¶ó¼­ Áß¿äÇÑ °ÍÀº Áٱ⼼Æ÷ÁÖÀÇ È®¸³ ¿©ºÎ°¡ µÇ´Â °ÍÀÌ´Ù. ±×·¸´Ù¸é Áٱ⼼Æ÷ÁÖÀÇ È®¸³ ¿©ºÎ´Â ¹«¾ùÀ» ±Ù°Å·Î ÆÇ´ÜÇÏ´Â °ÍÀϱî?

 

Áٱ⼼Æ÷ÁÖ È®¸³À» ÆÇÁ¤Çϱâ À§Çؼ­´Â Áö¼ÓÀû °è´ë¹è¾çÀ» ÅëÇÑ ÀÚ°¡º¹Á¦(self-renewal)´É·ÂÀÇ ÀÔÁõ°ú ±âÇüÁ¾(teratoma)¶Ç´Â ¹è¾Æü(embryonic body)¿¡¼­ÀÇ »ï ¹è¿±Ãþ (germ layer)Çü¼º È®ÀÎÀ» ÅëÇÑ ÀüºÐÈ­´É·Â (pluripotency)À» ÀÔÁõÇÏ¿©¾ß ÇÑ´Ù. (p. 40)

 

Á¤¸®ÇÏÀÚ¸é, Å׶óÅ丶¿¡¼­ÀÇ »ï ¹è¿±Ãþ(³»¹è¿±, Á߹迱, ¿Ü¹è¿±) Çü¼ºÀÌ È®ÀεǾî¾ß¸¸ Áٱ⼼Æ÷ÁÖ È®¸³À¸·Î ÀÎÁ¤µÈ´Ù´Â °ÍÀÌ´Ù. ±×·¸´Ù¸é 1¹ø Áٱ⼼Æ÷ÀÇ Å׶óÅ丶 Çü¼º ½ÇÇè¿¡¼± »ï ¹è¿±ÃþÀÌ Çü¼ºµÇ¾úÀ»±î?

 

 Å׶óÅ丶 Çü¼º½ÇÇèÀº 2ȸ¿¡ °ÉÃÄ ½Ãµµ µÇ¾ú´Ù. 1Â÷ ½Ãµµ´Â 2003³â(ÀÏÀÚ ¹Ì»ó) »ý¸í°øÇבּ¸¿ø ÃÖ¾ç±Ô ¹Ú»ç°¡ ¼¼Æ÷ ¼ö°¡ ÀûÀº »óȲ¿¡¼­ ¼ö¸¶¸®(3¸¶¸®·Î ÃßÁ¤)ÀÇ SCID ¸¶¿ì½º¿¡ ¼öÇàÇÏ¿´À¸¸ç, Çü¼ºµÈ Å׶óÅ丶´Â ¼­¿ï´ë ¼öÀÇ´ë ±è´ë¿ë ±³¼ö°¡ ºí·°Á¦Á¶¿Í »çÁø ÃÔ¿µÀ» ÇÏ¿´´Ù.

  2Â÷ ½Ãµµ´Â 1Â÷ ½Ãµµ ¾à 1´Þ ÈÄ, ¹ÌÁî¸Þµð º´¿ø¿¡¼­ °¡Á®¿Â 1¸¶¸® SCID ¸¶¿ì½º¿¡ ´ëÇÏ¿© ¼öÀÇ´ë¿¡¼­ À±Çö¼ö ¹Ú»ç°¡ ½Ç½ÃÇÏ¿´À¸¸ç ¾à 12-13ÁÖ ÈÄ¿¡ ¿©·¯ ¿¬±¸¿øµéÀÌ ÁöÄѺ¸´Â °¡¿îµ¥ Å׶óÅ丶°¡ ¼ö¼ú¿¡ ÀÇÇÏ¿© ÀûÃâµÇ¾ú´Ù. ±×·¯³ª ÀûÃâµÈ Å׶óÅ丶°¡ ÀÌÈÄ ¾î¶² ¿ëµµ·Î, ´©±¸¿¡ ÀÇÇÏ¿© »ç¿ëµÇ¾ú´ÂÁö È®ÀεÇÁö ¾Ê¾Ò´Ù.

  ±è´ë¿ë ±³¼ö Áø¼ú¿¡ ÀÇÇÏ¸é ¸¶¿ì½º 3¸¶¸® Áß, 2¸¶¸®¿¡¼­´Â Å׶óÅ丶°¡ ¹ß»ýÇÏÁö ¾Ê¾ÒÀ¸¸ç Å׶óÅ丶°¡ ¹ß»ýÇÑ ÇÑ ¸¶¸®¿¡¼­µµ ³»¹è¿±°ú Á߹迱 Á¶Á÷Àº °üÂûµÇ¾úÀ¸³ª ¿Ü¹è¿±Àº °üÂûµÇÁö ¾Ê¾Ò´Ù. (p. 25)

 

Á¤¸®ÇÏÀÚ¸é, Å׶óÅ丶 Çü¼º½ÇÇèÀº ÃÑ 2ȸ ½ÃµµµÇ¾ú´Âµ¥, óÀ½ ÃÖ¾ç±Ô ¹Ú»ç°¡ ¼öÇàÇÑ ½ÇÇè¿¡¼± Å׶óÅ丶°¡ Çü¼ºµÇ¾úÀ¸³ª »ï ¹è¿± Áß ¿Ü¹è¿±ÀÌ °üÂûµÇÁö ¾Ê¾Ò°í(±è´ë¿ë ±³¼öÀÇ Áø¼ú), ¹ÌÁî¸Þµð À±Çö¼ö ¹Ú»ç°¡ ¼öÇàÇÑ 2Â÷ ½Ãµµ¿¡¼±, Å׶óÅ丶°¡ ÀûÃâµÇ¾úÀ¸³ª 'Çà¹æºÒ¸í'µÇ¾î¼­ °á°ú¸¦ ¾Ë ¼ö ¾ø°Ô µÇ¾ú´Ù´Â ¸»ÀÌ´Ù. 

¼­Á¶À§´Â À§ÀÇ °á°ú¸¦ ±Ù°Å·Î, ÃÖÁ¾º¸°í¼­¿¡¼­, '³»/Á߹迱±îÁö´Â È®ÀεǾúÀ¸³ª ¿Ü¹è¿±ÀÌ È®ÀεÇÁö ¾Ê¾Ò±â ¶§¹®¿¡ Áٱ⼼Æ÷°¡ È®¸³µÇ¾ú´Ù°í º¼ ¼ö ¾ø´Ù'°í ¹ßÇ¥Çß°í, ´ÙÀ½³¯ ¿ÀÀü »çÀ̾𽺴 ¼­Á¶À§ÀÇ º¸°í¼­¸¦ ±Ù°Å·Î 2004³í¹®À» 'Á÷±Çöȸ'ÇØ ¹ö·È´Ù. ÇÏÁö¸¸ ³î¶ø°Ôµµ 1¹ø Áٱ⼼Æ÷´Â ¿Ü¹è¿±±îÁö ¸ðµÎ Çü¼ºµÇ¾úÀ½ÀÌ È®ÀεǾú´Ù.

 

 

2004³â »çÀ̾𽺠³í¹®ÀÇ 1¹ø Áٱ⼼Æ÷ÁÖ Å׶óÅ丶°¡ Á¶»çÀ§ ¹ßÇ¥¿Í ´Þ¸® ¿Ü¹è¿±±îÁö ¸ðµÎ Çü¼ºµÆ´ø °ÍÀ¸·Î ¹àÇôÁ³½À´Ï´Ù.

1¹ø Áٱ⼼Æ÷ÁÖÀÇ Å׶óÅ丶 ºÐ¼®À» ¸Ã¾Ò´ø ¿¬±¸Áø °ü°èÀÚ´Â YTN°úÀÇ ÀüÈ­ÅëÈ­¿¡¼­ 2003³â ½ÇÇè ´ç½Ã ³»¹è¿±°ú Á߹迱Àº ¹°·Ð ¿Ü¹è¿±µµ ¸ðµÎ °üÂûµÆÀ¸¸ç ÀÌ·± »ç½ÇÀ» ¼­¿ï´ë Á¶»çÀ§¿¡µµ Àü´ÞÇß´Ù°í ¸»Çß½À´Ï´Ù.

¼­¿ï´ë Á¶»çÀ§´Â ±×·¯³ª ÃÖÁ¾ Á¶»ç°á°ú º¸°í¼­¿¡¼­ ÀÌ °ü°èÀÚ°¡ "¿Ü¹è¿±ÀÌ °üÂûµÇÁö ¾Ê¾Ò´Ù"°í Áø¼úÇß´Ù°í ¹àÇû½À´Ï´Ù.

ÀÌ °ü°èÀÚ´Â À̾î óÀ½¿¡´Â Àß ±â¾ïÀÌ ³ªÁö ¾Ê´Â´Ù°í ¸»Çß´Ù°¡ ³ªÁß¿¡ Å׶óÅ丶 ºí·°À» º¸°í ¿Ü¹è¿±À¸·Î ºÐÈ­µÈ °ÍÀ» È®ÀÎÇÑ µÚ ÀÌ·± ³»¿ëÀ» Á¶»çÀ§¿¡ ´Ù½Ã Àü´ÞÇß´Ù°í ¹àÇû½À´Ï´Ù. ÀÌ °ü°èÀÚ´Â ÀÌ·± ³»¿ëÀÌ ´©¶ôµÈ °Í¿¡ ´ëÇؼ­´Â ÃÖÁ¾ º¸°í¼­ ÀÛ¼º °úÁ¤¿¡ Âø¿À°¡ ÀÖ¾ú´ø °ÍÀ¸·Î ÃßÁ¤Çß½À´Ï´Ù. (1¹ø Áٱ⼼Æ÷ÁÖ Å׶óÅ丶 ¿Ü¹è¿± ÀÖ¾ú´Ù, YTN, 2006-01-21)

 

Áï, 2004³â ³í¹®À» ¹«È¿È­½ÃÅ°±â À§Çؼ­´Â »ï ¹è¿±ÀÌ Çü¼ºµÇÁö ¾Ê¾Æ¾ß Ç߱⿡, ¼­Á¶À§´Â °íÀÇÀûÀ¸·Î ¿Ü¹è¿± Çü¼ºÀ» ´©¶ô½ÃŲ °ÍÀÌ´Ù. ƯÇã±Ç ȹµæ°ú °ü·ÃµÇ¾î Àֱ⿡ ƯÈ÷ Áß¿äÇß´ø '2004³â ³í¹®'À» ¼­Á¶À§°¡ Á¶ÀÛÀ̶ó°í °á·ÐÁö¾î ¹ö¸²À¸·Î½á, Ȳ ¹Ú»ç´Â ƯÇã±Ç ºÐÀï¿¡¼­ °áÁ¤ÀûÀ¸·Î ºÒ¸®ÇÑ À§Ä¡¿¡ ³õÀÌ°Ô µÇ¾ú´Ù. ´ÙÀ½Àº ¸ð¾Æ¹Ìµð¾î(www.moamedia.com)¿Í ¹Ì±¹ ƯÇãû ƯÇ㺯ȣ»ç(¹Ì±¹ ƯÇãû Á÷¿ø)¿ÍÀÇ ÀüÈ­ ÀÎÅÍºä ³»¿ë Áß ÀϺÎÀÌ´Ù.

 

 

1. 2005³âµµ¿¡ ¹ßÇ¥µÈ ³í¹®³»¿ë¸¸ ¹®Á¦°¡ µÇ¾ú´Ù¸é, Ȳ ±³¼öÀÇ ±¹Á¦ ƯÇ㠱Ǹ®°¡ ¼¨Æ° ±³¼öÀÇ ¹Ì±¹ ƯÇã ½Åûº¸´Ù ´õ ¿ì¼±±ÇÀ» °®°Ô µÇ¾îÀÖ¾ú´Ù.

2. ÇÏÁö¸¸ 2004³âµµÀÇ ³í¹®µµ ¹®Á¦°¡ µÇ¾úÀ½À¸·Î ÇöÀç ¼¨Æ° ±³¼ö°¡ ¹Ì±¹ ƯÇãûÀ» ÅëÇØ ½ÅûÇÑ Æ¯Ç㸸ÀÌ ¹ýÀûÈ¿·ÂÀ» °®°Ô µÈ´Ù.

3. ¹Ì±¹ÂÊ¿¡¼­ ¾Æ¹«µµ Ȳ±³¼öÀÇ ³í¹®¿¡ ¹®Á¦¸¦ Á¦½ÃÇÑ Àû µµ ¾ø´Ù. Ȳ±³¼öÀÇ Æ¯Çã±ÇÀ» ¹«È¿È­ÇÏ°Ô µÈ °áÁ¤ÀûÀÎ ¿øÀÎÁ¦°øÀº ¼­¿ï´ë Á¶»çÀ§¿¡ ÀÖ´Ù. 2004³âµµ ¿¡ º¹Á¦µÈ º£¾Æ¼¼Æ÷°¡ "ó³à»ý½Ä" ¿¡ ÀÇÇÑ °Í À̶ó´Â ÆÇ´ÜÀº ¼­¿ï´ë Á¶»çÀ§¿¡¼­ ³»¸° °Í ÀÌ¸ç ¹Ì±¹Æ¯ÇãûÀ̳ª ƯÇã ½ÅûÀÚ °¡ ³»¸° °áÁ¤ÀÌ ¾Æ´ÏÁö ¾Ê´Â°¡?

4. µû¶ó¼­ ¹Ì±¹ °³ÀÔ¼³ ¶Ç´Â À½¸ð¼³Àº ¾ïÃøÀÌ¸ç ¹«Ã´ À¯°¨½º·¯¿î ÀÏÀÌ´Ù. Çѱ¹Àε鵵 "¾îºÎÁö¸®" ¶ó´Â ¸»À» Àß ¾Ë°ÍÀÌ´Ù. ¹Ì±¹ ƯÇã ½ÅûÀÚ°¡ À̹ø Á¶»ç°á°ú·Î ¾î¶² ÇýÅÃÀ» ÀÔ°Ô µÇ¾ú´Ù¸é, ÀÌ°ÍÀº purely ¿ì¿¬ÀÇ ÀÏÄ¡ÀÏ »ÓÀÌ´Ù. (´ÙÀ½ ±â»ç°¡ º¸µµµÇ¸é Ȳ ±³¼ö ±â»ç¸¦ »èÁ¦ÇÏ°Ú½À´Ï´Ù, ¸ð¾Æ¹Ìµð¾î, 2006-01-28)

 

¿Ü¹è¿± Çü¼ºÀÌ È®ÀÎµÈ ÀÌ»ó, ³í¹®ÀÇ Ã¼¼¼Æ÷ °ø¿©ÀÚ Á¤º¸¸¸ A¿¡¼­ B·Î ¼öÁ¤Çϸé 2004³â ³í¹®Àº ¾Æ¹«·± ¹®Á¦°¡ ¾ø´Ù. µû¶ó¼­ ¿Ü¹è¿±ÀÌ °üÂûµÇÁö ¾Ê¾Ò´Ù´Â Áø¼úÀº Áï°¢ öȸµÇ¾î¾ß ÇÑ´Ù.

¶ÇÇÑ Ç®¸®Áö ¾Ê´Â ÀÇȤÀº À±Çö¼ö ±³¼ö°¡ ÀûÃâÇÑ Å׶óÅ丶´Â °ú¿¬ ¾îµð·Î »ç¶óÁ³´Â°¡ ÇÏ´Â °ÍÀÌ´Ù. ¼­¿ï´ë Á¶»çÀ§´Â ÀÌ¿¡ °üÇØ ¹àÇô³»Áö ¸øÇß´Ù. Á¤È²À¸·Î º¸¾Æ ÀÌ Å׶óÅ丶 Á¶Á÷ÀÌ¾ß ¸»·Î ½ÇÁ¦·Î ³í¹®¿¡ ½Ç¸° Å׶óÅ丶ÀÏ °¡´É¼ºÀÌ °¡Àå ³ô´Ù. µû¶ó¼­ °ËÂûÀº ÀÌ ºÐ½ÇµÈ Å׶óÅ丶¸¦ ã¾Æ¾ß¸¸ ÇÑ´Ù.

 


III. µ¶Ã¢Àû ½Å±Ô¼ºÀ» ÀÎÁ¤¹Þ±â ¾î·Æ´Ù?

- ´ºÄ³½½´ë´Â ü¼¼Æ÷ ÇÙġȯ(SCNT) ±â¼úÀ» º¸À¯ÇÏÁö ¸øÇß´Ù -

1. ¼­Á¶À§ÀÇ Æò°¡

¼­¿ï´ë Á¶»çÀ§ Á¤¸íÈñ À§¿øÀåÀº 2006³â 1¿ù 10ÀÏ, Á¶»çÀ§ ÃÖÁ¾¹ßÇ¥¿¡¼­ ´ÙÀ½°ú °°ÀÌ ¸»ÇÑ´Ù.

 

 

5. Ȳ±³¼öÆÀÀÇ ±â¼ú¿¡ ´ëÇÑ Æò°¡

   ü¼¼Æ÷º¹Á¦ ¹è¾ÆÁٱ⼼Æ÷´Â Å©°Ô ³ª´©¾î ÇÙÀ̽Ä, ¹è¹ÝÆ÷Çü¼º, Áٱ⼼Æ÷ÁÖ È®¸³ÀÇ ¼¼ ´Ü°è¸¦ °ÅÃÄ ÀÌ·ç¾îÁø´Ù. Áٱ⼼Æ÷ÁÖ¸¦ È®¸³ÇÑ ÈÄ È¯ÀÚÀÇ Ä¡·á¿¡ ÀÌ¿ëÇϱâ À§Çؼ­´Â, ¿øÇÏ´Â Á¶Á÷¼¼Æ÷·ÎÀÇ ºÐÈ­¿Í ¾Æ¿ï·¯ ȯÀÚ Ã¼³»¿¡¼­ÀÇ ±â´É¹ßÈÖ°¡ ¼º°øÀûÀ¸·Î ÀÌ·ç¾îÁ®¾ß Çϸç, ¾Ï¹ß»ý µîÀÇ ºÎÀÛ¿ëÀÌ ¾ø¾î¾ß ÇÑ´Ù.

   5-1. ÇÙÀ̽Ä: µÅÁö¿Í ¼Ò µî µ¿¹°³­ÀÚ ¸¦ ÀÌ¿ëÇÑ ÇÙÀ̽ÄÀº ±¹³»¿ÜÀûÀ¸·Î Ȳ±³¼öÆÀÀÌ °¡Àå È°¹ßÇÑ ½ÇÇèÀ» ¼öÇàÇÏ°í ÀÖ´Â °ÍÀ¸·Î ÆǴܵǸç, Ȳ±³¼öÆÀÀ» ºñ·ÔÇÑ ±¹³» Ãà»ê°ü·Ã ´ëÇаú ¿¬±¸¼Ò¿¡´Â ¾à 100¿©¸íÀÇ ¼÷´ÞµÈ ÇÙÀÌ½Ä Àü¹®ÀηÂÀÌ ÀÖ´Â °ÍÀ¸·Î Ãß»êµÈ´Ù. ÇÙÀÌ½ÄµÈ ³­ÀÚ¸¦ ÀÌ¿ëÇØ µ¿¹°À» º¹Á¦ÇÏ´Â ±â¼úÀº ÃÖ±Ù °³ÀÇ º¹Á¦¿¡ ¼º°øÇÑ °Í µîÀ» °¨¾ÈÇÏ¸é ±¹Á¦ÀûÀÎ °æÀï·ÂÀ» °¡Áö°í ÀÖ´Ù°í ÆǴܵȴÙ.

   »ç¶÷ÀÇ ³­ÀÚ¿¡ ÇÙÀ̽ÄÀ» ÇÏ´Â ±â¼ú Áß Áã¾îÂ¥±â¿¡ ÀÇÇÑ Å»ÇÙ¹æ¹ýÀº È¿À²¼ºÀº ³ôÀ¸³ª ÀÌ¹Ì µ¿¹°³­ÀÚ¿¡´Â ¿À·§µ¿¾È »ç¿ëµÈ ±â¼ú·Î¼­ µ¶Ã¢Àû ½Å±Ô¼ºÀ» ÀÎÁ¤¹Þ±â ¾î·Æ´Ù.

   5-2. ¹è¹ÝÆ÷ Çü¼º: Ȳ±³¼öÆÀÀÇ ±â·Ï¿¡ ÀÇÇϸé ÇÙÀ̽Ŀ¡ ÀÇÇÑ ¹è¹ÝÆ÷Çü¼ºÀÇ ¼º°ø·üÀ» ¾à 10%·Î Áý°èÇÏ°í ÀÖ´Ù. ±×·¯³ª ½ÇÇè³ëÆ®ÀÇ µ¥ÀÌÅ͸¦ È®ÀÎÇÑ °á°ú ´ëºÎºÐ »óÅ°¡ ¾çÈ£ÇÏÁö ¾ÊÀº ¹è¹ÝÆ÷µéÀ̾ú´Ù. ±â·Ï Áß¿¡´Â ºñ±³Àû »óÅ°¡ ¾çÈ£ÇÑ ¹è¹ÝÆ÷°¡ ¸¸µé¾îÁø °æ¿ì°¡ ÀϺΠȮÀεǰí ÀÖ¾î, Ȳ±³¼öÆÀÀÌ ÇÙÀ̽ÄÁ¶°ÇÀ» °³¼±ÇÏ¿© »ç¶÷³­ÀÚÀÇ ¹è¹ÝÆ÷Çü¼º¿¡ ¼º°øÇÏ¿´´Ù´Â Á¡Àº Æò°¡ÇÒ ¼ö ÀÖ´Ù. ´Ù¸¸, ÇöÀç ÀÌ ±â¼úÀº ÀÌ¹Ì º¸À¯ÇÏ°í ÀÖ´Â ¿¬±¸½ÇµéÀÌ ÀÖ¾î, ´õ ÀÌ»ó µ¶º¸ÀûÀ̶ó´Â Æò°¡¸¦ ³»¸®±â´Â ¾î·Æ´Ù. (¼­¿ï´ë Á¶»çÀ§ ÃÖÁ¾¹ßÇ¥)

 

Á¤¸®ÇÏÀÚ¸é, Ȳ±³¼öÆÀÀÌ °¡Áö°í ÀÖ´Â ¿øõ±â¼úÀº Å©°Ô ¨çÇÙġȯ ±â¼ú°ú ¨è¹è¹ÝÆ÷ Çü¼º ±â¼ú·Î ³ª´©¾î Áö´Âµ¥(Áٱ⼼Æ÷ÁÖ È®¸³Àº ¹ÌÁî¸Þµð ¼Ò°ü), ±× Áß ¨çÇÙġȯ ±â¼úÀº "µ¿¹° º¹Á¦¿¡ À־´Â ±¹Á¦ÀûÀÎ °æÀï·ÂÀ» °¡Áö°í ÀÖ´Ù°í ÆÇ´Ü"µÇÁö¸¸, »ç¶÷ÀÇ ³­ÀÚ¿¡ À־´Â 'Áã¾îÂ¥±â¿¡ ÀÇÇÑ Å»ÇÙ¹æ¹ý'(Àϸí, Á£°¡¶ô ±â¼ú)ÀÌ ÀÌ¹Ì ¿À·§µ¿¾È »ç¿ëµÈ ±â¼úÀ̱⿡ "µ¶Ã¢Àû ½Å±Ô¼ºÀ» ÀÎÁ¤¹Þ±â ¾î·Æ"°í, ¨è¹è¹ÝÆ÷ Çü¼º ±â¼úµµ ÀÌ¹Ì º¸À¯ÇÏ°í ÀÖ´Â ¿¬±¸½ÇµéÀÌ ÀÖ¾î "µ¶º¸ÀûÀ̶ó´Â Æò°¡¸¦ ³»¸®±â´Â ¾î·Æ´Ù"´Â °ÍÀÌ´Ù. Áï, Ȳ±³¼öÆÀÀÌ º¸À¯ÇÏ°í ÀÖ´Â ±â¼úÀº ¿øõ±â¼ú·Î º¸±â ¾î·Æ´Ù´Â °ÍÀÌ´Ù.

´õ ³ª¾Æ°¡, KBS<ÃßÀû 60ºÐ> ¹®Çü·Ä PD°¡ "ÃÖ±Ù ´º½ºÀ§Å©Áö´Â Ȳ ±³¼öÆÀÀÇ ÇÙġȯ ±â¼úÀ» ¼¼°èÀûÀ¸·Î Æò°¡ÇÏ°í µ¶º¸Àû ±â¼úÀ̶ó°í Æò°¡ÇÏ°í ÀÖ´Ù"°í ¹¯ÀÚ, Á¤¸íÈñ À§¿øÀåÀº Ȳ±³¼öÆÀÀÇ ¿øõ±â¼úÀº "±â¹Ý±â¼ú"ÀÏ »ÓÀ̶ó°í ÁÖÀåÇß´Ù.

 

 

¹®Çü·Ä: ÃÖ±Ù ´º½ºÀ§Å©Áö´Â Ȳ ±³¼öÆÀÀÇ ÇÙġȯ ±â¼úÀ» ¼¼°èÀûÀ¸·Î Æò°¡ÇÏ°í µ¶º¸Àû ±â¼úÀ̶ó°í Æò°¡Çϴµ¥ Á¶»çÀ§´Â ÀÌ¹Ì º¸À¯ÇÏ°í ÀÖ´Â ¿¬±¸½ÇÀÌ ÀÖ´Ù¸ç ´Ù¸¥ ÀÇ°ßÀ» º¸¿´´Ù.

Á¤¸íÈñ: ÇÙġȯ ±â¼ú ÀÚü´Â ¸¹Àº ½ÇÇè½Ç¿¡¼­ ÇÒ ¼ö ÀÖ°í Áö±Ýµµ ÀÖ´Ù. ü¼¼Æ÷ ÇÙġȯ ¸»ÀÌ´Ù. ±×°Í¿¡ ÀÇÇØ ÀÌ¹Ì È² ±³¼ö ¿¬±¸ÆÀ Àڽŵµ ¹è¹ÝÆ÷±îÁö Çü¼ºÇß´Ù. ÇÙġȯ ±â¼úÀ» ÀÎÁ¤ÇÏÁö ¾Ê´Â °Í ¾Æ´Ï´Ù. »ó´çÇÑ °æÇè ÀÖ°í ±× °á°ú´Â ½º³ÊÇÇ º¹Á¦´Ù. ´Ù¸¸ 2004³â, 2005³â ³í¹®¿¡¼­ ÁÖÀåÇÏ´Â ¸ÂÃãÇü ü¼¼Æ÷ Áٱ⼼Æ÷´Â ¸¸µéÁö ¸øÇß´Ù. ´Ù½Ã ¸»ÇÏÀÚ¸é ±â¹Ý±â¼úÀÌ´Ù. ±â¹Ý±â¼ú¸¸ °®°í ¾ðÁ¦±îÁö ÀÚ¶ûÇÒ °ÍÀ̳Ä. ¿ì¸® ¸ñÇ¥´Â Àú±â¿¡ Àִµ¥. (¿¬ÇÕ´º½º, "¼­¿ï´ë Á¶»çÀ§ Á¤¸íÈñ À§¿øÀå ÀϹ®ÀÏ´ä ", 2006-01-10)

 

ÇÏÁö¸¸ ´ÙÀ½³¯ À¯Æ÷µÈ ¡¸È²¿ì¼® ±³¼ö ¿¬±¸ÀÇȤ °ü·Ã Á¶»ç °á°ú º¸°í¼­¡¹¿£ ´Ù¸£°Ô Æò°¡µÇ¾î ÀÖ¾ú´Ù.

 

 

1. ³­ÀÚÀÇ ÇÙÁ¦°Å¸¦ À§ÇÑ Áã¾îÂ¥±â ±â¹ýÀº È¿°ú°¡ ÀÎÁ¤µÇ³ª, ±× µ¶Ã¢¼ºÀ̳ª ÁöÀûÀç»ê±ÇÀ» ÀÎÁ¤Çϱâ´Â ¾î·Æ´Ù.

2. »ç¶÷ ³­ÀÚ¿¡¼­ ÇÙÀ̽ÄÀ» ÅëÇÑ ¹è¹ÝÆ÷ Çü¼º ¿¬±¸ ¾÷Àû°ú µ¶Ã¢¼ºÀº ÀÎÁ¤µÇ¸ç °ü·Ã ÁöÀûÀç»ê±ÇÀÇ È®º¸°¡ °¡´ÉÇÒ °ÍÀ¸·Î ÆǴܵȴÙ. ±×·¯³ª ¹è¹ÝÆ÷ ÀÚü·Î´Â ½ÇÁúÀûÀÎ È°¿ë °¡Ä¡°¡ ¹ÌÈíÇÑ Á¡À» °í·ÁÇÒ ¶§ À̸¦ ÀÌ¿ëÇÑ »ê¾÷Àû, ÀÇÇÐÀû ÀÀ¿ë È¿°ú¸¦ ±â´ëÇϱ⠾î·Á¿ì¸ç, ÁöÀûÀç»ê±ÇÀÇ Çà»ç µîÀ» ÅëÇØ °æÁ¦Àû È¿°ú¸¦ âÃâÇÏ´Â ±â¼úÀÌ È®º¸µÇ¾ú´Ù°í ÇÒ ¼ö ¾ø´Ù. (º¸°í¼­, p.40)

 

½ÇÁ¦·Î,  ¹Ì±¹ ÇÇÃ÷¹ö±×´ë Gerald P. Schatten ±³¼ö´Â, ÀÌ¹Ì È²±³¼öÆÀ°ú ¸Å¿ì À¯»çÇÑ ±â¼ú¿¡ ´ëÇÑ Æ¯Ç㸦 ¹Ì±¹ ¹× À¯·´¿¡ ½ÅûÇÑ »óÅÂÀÌ´Ù. Áٱ⼼Æ÷µµ ¹è¹ÝÆ÷ Çü¼º ±â¼ú ¾øÀÌ´Â Á¸ÀçÇÒ ¼ö ¾øÀ½À» °¨¾ÈÇÒ ¶§, ¹è¹ÝÆ÷ Çü¼º±â¼ú°ú Áٱ⼼Æ÷ È®¸³±â¼ú·Î ±¸ºÐÇØ ÁöÀûÀç»ê±ÇÀÇ °¡Ä¡¸¦ ÆÇ´ÜÇÏ´Â °ÍÀº ¾ÆÀüÀμö, °ß°­ºÎȸ¿¡ Áö³ªÁö ¾Ê´Â´Ù.

2. ¼¨Æ°ÀÇ Æ¯Çã ³»¿ë

¼¨Æ° ±³¼ö´Â Àΰ£À» Æ÷ÇÔÇÏ´Â ¿µÀå·ùÀÇ µ¿¹°º¹Á¦¿Í º¹Á¦¹è¾Æ Áٱ⼼Æ÷¿Í °ü·Ã, 2004³â 4¿ù9ÀÏ <µ¿¹°µéÀÇ Ã¼¼¼Æ÷ ÇÙġȯ°ú °ü·ÃµÈ À¯»çºÐ¿­ ¹æÃßü °áÇÔÀ» º¸¿ÏÇϱâ À§ÇÑ ¹æ¹ý (Methods for correcting mitotic spindle defects associated with somatic cell nuclear transfer in animals>¶ó´Â ¸íĪÀ¸·Î WIPO¿¡ PCT±¹Á¦Æ¯Ç㸦 Ãâ¿øÇß´Ù (¹øÈ£: PCT/US2004/010977).

2004³â 12¿ù3ÀÏ ¼öÁ¤µÈ ¼¨Æ°ÀÇ Æ¯Çã Ãâ¿ø¼­ÀÇ Ã»±¸Ç×(claim) Áß [û±¸ 1]Àº Áã¾îÂ¥±â¿¡ ÀÇÇÑ ÇÙġȯ ±â¹ýÀ» Á÷Á¢ Æ÷ÇÔ½ÃÅ°Áö´Â ¾Ê°í ¹Ð¾î³»±â(extrusion)¶ó´Â ´Ü¾î¸¦ ´ë½Å »ç¿ëÇÏ°í ÀÖ´Ù.

 

 

1. ÇÑ °³ ȤÀº ±× ÀÌ»óÀÇ ºÐÀÚ±¸¼º¿ä¼Ò¸¦ °¡Áø ÇÙÀ» ¹Ð¾î³»±â·Î Å»ÇÙ½ÃŲ ³­ÀÚ(extrusion-enucleated egg)¿¡ ÁÖÀÔÇÏ¿© ÇÙġȯ ±¸¼ºÃ¼ »ý¼º; Àü¼úÇÑ ÇÙġȯ ±¸¼ºÃ¼¸¦ »ýÀ°°¡´É ¹è¾Æ·Î ¸¸µé±â À§ÇÑ ¹è¾ç; Àü¼úÇÑ ¹è¾ÆÀÇ ¸ðü Âø»ó; º¹Á¦µ¿¹° »ý»ê. (A method comprising the steps of:introducing nuclei along with one or more molecular components into an extrusion-enucleated egg, thus creating a nuclear transfer construct; culturing said nuclear transfer construct to produce a viable embryo; transferring said embryo to the oviducts of a female; and producing a cloned animal.)

 

ÀÌ ¹Ð¾î³»±â·Î Å»ÇÙ½ÃÅ°´Â ¹æ¹ý¿¡ ´ëÇؼ± [û±¸ 5,6,7]¿¡¼­ ±¸Ã¼ÀûÀ¸·Î Á¤ÀǵǾî Àִµ¥, ¼³¸í ºÎºÐ¿¡¼­ squeezingÀ» ¾ð±ÞÇÏ°í ÀÖ´Ù.

 

 

5. Claim 1¿¡¼­ ¸»ÇÑ ¹Ð¾î³»´Â(extrusion) ¹æ¹ýÀº ´ÙÀ½À» Æ÷ÇÔÇÑ´Ù: °íÁ¤¿ë ¸¶ÀÌÅ©·ÎÇÇÆêÀ¸·Î ¾ð±ÞµÈ ³­ÀÚ¸¦ °íÁ¤ÇÏ´Â °Í; ¾ð±ÞµÈ ³­ÀÚÀÇ Á¦ 1 ±Øü °¡±îÀ̸¦ ÀÛ°Ô ÂõÀ½À¸·Î½á ¹Ù´Ã·Î ³­ÀÚÀÇ Åõ¸í´ë¸¦ ºÎºÐÀý°³ÇÏ´Â °Í; ´ë·« telophase-I¿¡¼­ ´ë·« pro-metaphase-2 ¸¦ ¹üÀ§·Î, ¾ð±ÞµÈ ¹Ù´Ã·Î Áã¾î«À¸·Î½á(squeezing), Á¦ 1 ±Øü¿Í °¨¼öºÐ¿­¹æÃßü¸¦ Æ÷ÇÔÇÏ´Â ÀÎÁ¢ ¼¼Æ÷ÁúÀ» ¹Ð¾î³»´Â °Í. (The method of claim 1, wherein said extrusion comprises: holding said egg with a holding micropipette; partially dissecting the zonal pellucida of said egg with a needle by making a slit near the first polar body of said egg; extruding the first polar body and adjacent cytoplasm containing the meiotic spindle, ranging from about telophase-I to about pro-metaphase-II, by squeezing said needle. )

6. Claim 5¿¡¼­ ¾ð±ÞµÈ °íÁ¤¿ë ¸¶ÀÌÅ©·ÎÇÇÆêÀº ¾ÈÁö¸§ÀÌ ¾à 110.mu.mÀÌ´Ù. (The method of claim 5, wherein said holding micropipette has an about 110 .mu.m inner diameter. )

7. Claim 5¿¡¼­ ¾ð±ÞµÈ ¹Ù´ÃÀº À¯¸®¹Ù´ÃÀÌ´Ù. (The method of claim 5, wherein said needle is a glass needle.)

 

°£´ÜÈ÷ ¸»ÇØ, Á¦1±Øü °¡±îÀÌÀÇ ³­ÀÚ ºÎÀ§¸¦ ÀÛ°Ô Àý°³ÇÏ°í Á¦1±Øü¿Í ÁÖº¯ÀÇ ¹æÃßü°¡ ÀÖ´Â ¼¼Æ÷ÁúÀ» À¯¸®·Î µÈ ¹Ù´ÃÀ» »ç¿ëÇØ Áã¾îÂ¥ ¹æÃâÇÑ´Ù´Â ³»¿ëÀÎ ¹Ù, ¹Ù·Î 'Á£°¡¶ô ±â¼ú'ÀÌ´Ù. ÇÙġȯ °úÁ¤À» »ó¼¼ÇÏ°Ô ¼³¸íÇÑ [¸í¼¼¼­ 71]À» º¸¸é À̸¦ ´õ È®½ÇÇÏ°Ô ¾Ë ¼ö ÀÖ´Ù.

 

 

[0071] FIG. 3Àº ´ÙÀ½°ú °°Àº ÀýÂ÷, ƯÈ÷, ôÃß ¼Õ»ó µîÀÇ È¯ÀÚ¸¦ Ä¡À¯Çϱâ À§ÇØ ¹è¾ÆÁٱ⼼Æ÷°¡ »õ·Î¿î ½Å°æ¼¼Æ÷·Î ÀÚ¶ö ¼ö ÀÖ°Ô ÇÏ´Â ±âº»ÀûÀÎ °³¿ä¸¦ º¸¿©ÁØ´Ù. ¡¦¿¹ÄÁ´ë, ³­ÀÚ¸¦ »ÏÁ·ÇÑ ¹Ù´ÃÀ̳ª ÇÇÆêÀ¸·Î °üÅë½ÃÅ°°í (FIG. 3E), ÇÙÀ» ÃßÃâÇϱâ À§ÇØ ºÎµå·´°Ô Â¥°Å³ª »¡¾Æµé¿© (FIG. 3F), ÇÙÀ» ¿Å±ä´Ù (FIG. 3G).

[0071] FIG. 3 provides the basic outline of such procedures, specifically, embryonic stem cells can grow into new nerves to heal injuries in a patient, such as spinal damage. ¡¦For example, the egg is pierced with a fine needle or pipette (FIG. 3E), gently squeezed or aspirated to expel the nucleus (FIG. 3F), and the nucleus is removed (FIG. 3G).

 

[¸í¼¼¼­ 71]Ç×°ú »õ·Î 2004³â 12¿ù3ÀÏ¿¡ »õ·Î Æ÷ÇÔµÈ Figure 3À» °°ÀÌ ¹­À¸¸é ´ÙÀ½°ú °°´Ù.

 

[±×¸² 1]¼¨Æ° ±³¼öÀÇ ÇÙġȯ °úÁ¤ ¼³¸í -1

"the egg is pierced with a fine needle or pipette" - ³­ÀÚ¸¦ ¹Ù´ÃÀ̳ª ÇÇÆêÀ¸·Î °üÅë½ÃŲ´Ù 

 

 

[±×¸² 1]¼¨Æ° ±³¼öÀÇ ÇÙġȯ °úÁ¤ ¼³¸í -2

"gently squeezed or aspirated to expel the nucleus" - ÇÙÃßÃâÀ» À§ÇØ ºÎµå·´°Ô Â¥°Å³ª »¡¾ÆµéÀδÙ

 

[±×¸² 1]¼¨Æ° ±³¼öÀÇ ÇÙġȯ °úÁ¤ ¼³¸í -3

 

 

"cells removed from the egg previously is injected into the egg" - (°ø¿©ÀÚÀÇ) ³­ÀÚ¿¡¼­ ÃßÃâÇÑ Ã¼¼¼Æ÷¸¦ ³­ÀÚ¿¡ ÁÖÀÔÇÑ´Ù

3. Ȳ ¹Ú»ç¿Í ¼¨Æ° ±³¼öÀÇ Æ¯Çã ºñ±³

Ȳ ¹Ú»çÀÇ Æ¯ÇãÃâ¿ø¼­´Â ´ÙÀ½ÀÇ ³»¿ëÀ» Æ÷ÇÔÇÏ°í ÀÖ´Ù.

 

[±×¸² 2]Ȳ¿ì¼® ±³¼öÀÇ ÇÙġȯ °úÁ¤ ¼³¸í -1

"°íÁ¤¿ë ÇÇÆê°ú Àý°³¿ë ÇÇÆêÀ¸·Î ¼öÇÙ ³­ÀÚÀÇ Åõ¸í´ë¸¦ Àý°³ÇÏ´Â °úÁ¤" 

 

 

[±×¸² 2]Ȳ¿ì¼® ±³¼öÀÇ ÇÙġȯ °úÁ¤ ¼³¸í -2

 

"°íÁ¤¿ë ÇÇÆê°ú Àý°³¿ë ÇÇÆêÀ¸·Î ¼öÇÙ ³­ÀÚÀÇ Á¦1±Øü¿Í ÇÙÀ» Á¦°ÅÇÏ´Â °úÁ¤"

 

[±×¸² 2]Ȳ¿ì¼® ±³¼öÀÇ ÇÙġȯ °úÁ¤ ¼³¸í-3

 

 

"°íÁ¤¿ë ÇÇÆê°ú À̽Ŀë ÇÇÆêÀ¸·Î Å»ÇÙµÈ ³­ÀÚ¿¡ ü¼¼Æ÷¸¦ À̽ÄÇÏ´Â °úÁ¤"

 

ºñ±³ÇØ º¸¸é ¾Ë ¼ö ÀÖµíÀÌ, ¼¨Æ° ±³¼ö°¡ ƯÇãÃâ¿ø¼­¿¡¼­ »ç¿ëÇÑ ±×¸²Àº Ȳ ±³¼ö°¡ »ç¿ëÇÑ ±×¸²°ú ½ÃÁ¡¸¸ ´Ù¸£´Ù. ¿¹ÄÁ´ë, °°Àº ´Þ¸®±â µ¿ÀÛ¿¡¼­ Ȳ¿ì¼® ±³¼ö°¡ ¹ßÀÌ ¶¥¿¡¼­ ¶³¾îÁö´Â Àå¸éÀ» Àâ¾Ò´Ù¸é, ¼¨Æ°Àº ¶¥¿¡ ¹ßÀÌ ÂøÁöÇÏ´Â ¼ø°£À» ÀâÀº °ÍÀÌ´Ù.

Áï ¼¨Æ° ±³¼ö°¡ »ç¿ëÇÑ À̹ÌÁö Áß, [Figure 3E]´Â ³­ÀÚÀÇ Åõ¸í´ë¸¦ Àý°³Çϱâ À§ÇØ ¹Ù´ÃÀ» Âñ·¯³Ö´Â ¼ø°£ÀÇ ±×¸²ÀÌ°í, Ȳ¿ì¼® ±³¼ö°¡ »ç¿ëÇÑ [FIG. 3]´Â Âñ·¯³ÖÀº ¹Ù´Ã°ú ÇÇÆêÀ» ¼­·Î ´­·¯¼­ ³­ÀÚÀÇ Åõ¸í´ë¸¦ Àý°³ÇÑ ¼ø°£ÀÇ ±×¸²ÀÌ´Ù. ¶Ç [Figure 3F]´Â ¾ÐÃâÇÑ ±Øü¿Í ³­ÀÚÀÇ ÇÙÀ» ¶³¾î³»´Â ¼ø°£ÀÇ ±×¸²ÀÌ°í, Ȳ¿ì¼® ±³¼öÀÇ [FIG. 4]´Â Âõ¾îÁø Æ´À¸·Î ³­ÀÚÀÇ ÇÙÀ» ¾ÐÃâÇÏ´Â ¼ø°£ÀÇ ±×¸²À̸ç, [Figure 3H]¿Í [FIG. 5]´Â ´ÜÁö ÇÇÆêÀÇ °¢µµ¸¸ ´Ù¸¦»Ó µÑ´Ù ü¼¼Æ÷¸¦ À̽ÄÇÏ´Â °°Àº ¼ø°£ÀÇ ±×¸²ÀÌ´Ù. µû¶ó¼­ À­ ±×¸²À» ¸ðµÎ ³ª¿­Çϸé ÇϳªÀÇ ±â¼úÀ» 5°³ÀÇ °úÁ¤À¸·Î ¼³¸íÇÏ´Â µµÆÇÀÌ µÈ´Ù.

 

[±×¸² 3]Áã¾îÂ¥±â ±â¼ú¿¡ ÀÇÇÑ ÇÙġȯ °úÁ¤ ¼³¸í 

1. ¹Ù´Ã Âñ·¯³Ö±â (³­ÀÚ¸¦ ¹Ù´ÃÀ̳ª ÇÇÆêÀ¸·Î °üÅë½ÃŲ´Ù)

2. Åõ¸í´ë Àý°³ (°íÁ¤¿ë ÇÇÆê°ú Àý°³¿ë ÇÇÆêÀ¸·Î ¼öÇÙ ³­ÀÚÀÇ Åõ¸í´ë¸¦ ºÎºÐÀý°³ÇÏ´Â °úÁ¤)

3. ±Øü¿Í ³­ÀÚÇÙ ¾ÐÃâ (°íÁ¤¿ë ÇÇÆê°ú Àý°³¿ë ÇÇÆêÀ¸·Î ¼öÇÙ ³­ÀÚÀÇ Á¦1±Øü¿Í ÇÙÀ» Á¦°ÅÇÏ´Â °úÁ¤)

4. ¹Ù´ÃÀ» »ç¿ëÇØ ¾ÐÃâµÈ ±Øü¿Í ³­ÀÚÇÙ Á¦°Å (¾ÐÃâÇÑ ±Øü¿Í ³­ÀÚÀÇ ÇÙÀ» ¶³¾î³»´Â °úÁ¤)

5. ü¼¼Æ÷ ÀÌ½Ä (°íÁ¤¿ë ÇÇÆê°ú À̽Ŀë ÇÇÆêÀ¸·Î Å»ÇÙµÈ ³­ÀÚ¿¡ ü¼¼Æ÷¸¦ À̽ÄÇÏ´Â °úÁ¤)

 

»ç½Ç, ¼¨Æ° ±³¼ö ƯÇãÃâ¿ø¼­ÀÇ Figure 3Àº ¼¨Æ° ±³¼öÃøÀÌ Á¦ÀÛÇØ È²¿ì¼® ±³¼ö°¡ °­¿¬ÀÚ·á·Î »ç¿ëÇÏ´ø µ¿¿µ»óÀÇ ÀϺÎÀÌ´Ù.

 


[±×¸² 4]Ȳ ±³¼ö°¡ °­¿¬½Ã »ç¿ëÇÏ´ø ÀÚ·á


[±×¸² 5]¼¨Æ°ÀÇ Æ¯Çã Ãâ¿ø¼­¿¡ Æ÷ÇÔµÈ ±×¸²µé

ÀÌó·³ ¾ÖÃÊ¿¡ Ȳ¿ì¼® ±³¼öÀÇ ±â¼ú¿¡ ´ëÇÑ ¼³¸íÀ¸·Î È°¿ëµÇ´ø ÀÚ·á°¡ ¼¨Æ° ±³¼öÀÇ Æ¯ÇãÃâ¿ø¼­¿¡ ±×´ë·Î µé¾î°¡ ÀÖ´Â °Í¿¡¼­ ¾Ë ¼ö ÀÖµíÀÌ, Ȳ¿ì¼® ±³¼ö¿Í ¼¨Æ° ±³¼ö°¡ ³½ µÎ °³ÀÇ Æ¯ÇãÃâ¿ø¼­´Â ¿ÏÀüÈ÷ µ¿ÀÏÇÑ ±â¼ú¿¡ ´ëÇÑ °ÍÀÌ´Ù.

4. Ȳ ¹Ú»ç¿Í ½ºÅäÀÌÄÚºñÄ¡ ¹Ú»çÀÇ Â÷ÀÌ

±×·¸´Ù¸é Á¤¸íÈñ À§¿øÀåÀÌ ¹àÈù ¹Ù, ü¼¼Æ÷ ÇÙġȯ(SCNT) ±â¼úÀ» º¸À¯ÇÏ°í ÀÖ´Â ±× "¸¹Àº ¿¬±¸½Ç"Àº ¾îµðÀϱî?

¹®Çü·Ä: ¾î´À ¿¬±¸½ÇÀÌ Àΰ£ ü¼¼Æ÷ ÇÙġȯ ±â¼úÀ» °¡Áö°í ÀÖ´ÂÁö ¸»¾¸ÇØ ÁÖ¼¼¿ä.

Á¤¸íÈñ: ¾Æ ±×°Å´Â ´º ij½½ ´ëÇÐÀÔ´Ï´Ù.

 

´ºÄ³½½ ´ëÇÐ... Ȳ±³¼ö°¡ 'Ãßõ¼­'¸¦ ½áÁÖ°í '±â¼ú ÀÚ¹®'µµ ÇØÁÖ¾ú´ø ¹Ù·Î ±× ´ëÇÐÀÌ´Ù.

¿µ±¹ ´ºÄ³½½´ë ¿¬±¸ÆÀÀÇ Çٽɿ¬±¸¿øÀ̾ú´ø ¹Ì¿Àµå·¡±× ½ºÅäÀÌÄÚºñÄ¡(Miodrag Stojkovic) ¹Ú»ç´Â ¡¦¹è¹ÝÆ÷ ¼º°ø·üÀ» ³ôÀ̱â À§ÇØ È² ±³¼öÆÀÀÇ Á¶¾ðÀ» ±¸ÇÑ ÀûÀÌ ÀÖ´À³Ä´Â Áú¹®¿¡ "»ç½Ç"À̶ó¸ç, "Áö³­ÇØ ³ª´Â ±×(Ȳ¿ì¼®)¿¡°Ô ¿ì¸®ÆÀÀÇ Æ÷´Ú(¹Ú»çÃëµæ ¿¬±¸ÀÚ)°úÁ¤¿¡ ÀÖ´Â ÇлýÀÌ ±×¿Í ±×ÀÇ ¿¬±¸½ÇÀ» ¹æ¹®ÇÒ ¼ö Àֱ⸦ ¿äûÇÑ ÀûÀÌ ÀÖ´Ù"°í ´äÇß´Ù.

¶Ç, ½ºÅäÀÌÄÚºñÄ¡ ¹Ú»ç´Â "±×°ÍÀÌ ¿µ±¹Á¤ºÎÀÎÁö È®½ÇÈ÷ ¸ð¸£°ÚÁö¸¸, ³ª´Â ¿ì¸® ¿¬±¸ÆÀÀÌ ÇÙġȯ ¶óÀ̼¾½º¸¦ ȹµæÇÒ ¼ö ÀÖµµ·Ï Ȳ±³¼ö¿¡°Ô Ãßõ¼­¸¦ ½á´Þ¶ó°í ºÎŹÇß°í, Ȳ±³¼ö´Â ¸Å¿ì Àû±ØÀûÀ¸·Î Áö¿øÇÏ¸ç °ð¹Ù·Î Ãßõ¼­¸¦ ½áÁá´Ù"°í ¹àÇû´Ù. (¸Ó´ÏÅõµ¥ÀÌ, "çÈ´ºÄ³½½´ë "Ȳ¿ì¼®¿¡ ÀÚ¹®¹Þ¾Ò´Ù"",  2006-01-14)

 

¹°·Ð, ±â¼ú ¼öÁØÀº ºñ±³ÇÒ ¼ö ¾øÀ» Á¤µµ·Î Ȳ±³¼ö ÆÀÀÌ ¿ùµîÇÏ´Ù. °Ô´Ù°¡ Á¤¸íÈñ À§¿øÀåÀÇ ÁÖÀå°ú´Â ´Þ¸® ´ºÄ³½½´ë°¡ º¸À¯ÇÑ ±â¼úÀº ü¼¼Æ÷ ÇÙġȯ(SCNT) ±â¼úÀÌ ¾Æ´Ï¾ú´Ù.

 

½ºÅäÀÌÄÚºñÄ¡ ¹Ú»ç´Â "¿ì¸® ¿¬±¸ÆÀÀº ü¼¼Æ÷¸¦ »ç¿ëÇÑ°Ô ¾Æ´Ï¶ó ¹è¾ÆÁٱ⼼Æ÷¸¦ »ç¿ëÇß´Ù"¸é¼­ "¹è¾ÆÁٱ⼼Æ÷´Â ü¼¼Æ÷º¸´Ù À籸¼ºÀ» Çϰųª È¿À²¼ºÀÌ ³ô´Ù"°í ¼³¸íÇß´Ù. Áï, Ȳ ±³¼öÆÀÀº ü¼¼Æ÷ º¹Á¦ ¹è¹ÝÆ÷¸¦ ¼ö¸³ÇÑ ¹Ý¸é ´ºÄ³½½´ë ¿¬±¸ÆÀÀº ¹è¾ÆÁٱ⼼Æ÷¸¦ ÀÌ¿ëÇß´Ù´Â Á¡¿¡¼­ Å« Â÷À̸¦ º¸ÀÌ°í ÀÖ´Ù.

¹Ú¼¼ÇÊ ¸¶¸®¾Æ¹ÙÀÌ¿ÀÅØ ¼ÒÀåÀº ÀÌ¿¡ ´ëÇØ "´ºÄ³½½´ë´Â ÇÙÀ» »©³½ ³­ÀÚ¿¡ Áٱ⼼Æ÷¸¦ Áý¾î³Ö´Â °Í"À̶ó¸ç "ÀÌ¹Ì ºÐÈ­µÇ°í ÀÖ´Â Áٱ⼼Æ÷¸¦ ³­ÀÚ¿¡ ÁÖÀÔÇÏ´Â °ÍÇÏ°í ü¼¼Æ÷ º¹Á¦ ¹è¹ÝÆ÷¸¦ ¸¸µå´Â °ÍÀº Â÷¿øÀÌ ´Ù¸¥ ±â¼ú"À̶ó¸ç ºñ±³ÇÒ ¼ö ¾ø´Â ´ë»óÀ̶ó°í °­Á¶Çß´Ù. (À§ÀÇ ±â»ç)

 

5. °á·Ð

(1) ¼­Á¶À§ÀÇ 'ü¼¼Æ÷º¹Á¦ Áٱ⼼Æ÷ °ü·Ã ±â¼ú·Â Æò°¡'(º¸°í¼­, pp.36~40)´Â Áß´ëÇÑ ºÐ¼®¿À·ù ³»Áö Á÷¹«°ú½ÇÀÌ ÀÖ´Ù°í ÆǴܵǹǷΠȲ ±³¼öÆÀÀÇ Ã¼¼¼Æ÷º¹Á¦ Áٱ⼼Æ÷ ±â¼ú·Â¿¡ ´ëÇÑ ÀçÆò°¡°¡ ÀÌ·ç¾îÁ®¾ß ÇÑ´Ù.

(2) ´ºÄ³½½ ´ëÇÐÀº ü¼¼Æ÷ ÇÙġȯ(SCNT) ±â¼úÀ» º¸À¯ÇÏÁö ¸øÇß°í, Ȳ ±³¼öÆÀÀÇ ±â¼ú·ÂÀÌ Çö°ÝÇÑ Â÷ÀÌ·Î ¾Õ¼±´Ù.

(3). ¿ì¸®´Â ¼­Á¶À§ÀÇ °ÅÁþ¸»°ú ¸»Àå³­¿¡ ³î¾Æ³­ ¼ÀÀÌ´Ù. °Ô´Ù°¡ ƯÇã û±¸±ÇÀÚÀÎ ¼­¿ï´ë ½º½º·Î--Ȳ±³¼ö ÆÀÀÇ Æ¯Çã±ÇÀº ¼­¿ï´ë »êÇÐÀç´Ü°ú ³ë¼ºÀÏÀÌ 60:40À¸·Î º¸À¯ÇÏ°í ÀÖ´Ù-- ¿øõ±â¼úÀÇ °¡Ä¡¸¦ ºÎÁ¤ÇÔÀ¸·Î½á ¼¨Æ°°úÀÇ Æ¯Çã±Ç ºÐÀï¿¡¼­ ºÒ¸®ÇÑ À§Ä¡¿¡ ³õÀÌ°Ô µÇ¾ú´Ù.

 


IV. ¹Ì¼º¼÷ ³­ÀÚ°¡ »ç¿ëµÇ¾ú´Ù?

- ±Øü°¡ Çü¼ºµÈ ³­ÀÚ´Â ÀÌ¹Ì ¹Ì¼º¼÷ ³­ÀÚ°¡ ¾Æ´Ï´Ù -

¼­¿ï´ë Á¶»çÀ§(ÀÌÇÏ, ¼­Á¶À§)´Â ¡¸È²¿ì¼® ±³¼ö ¿¬±¸ÀÇȤ °ü·Ã Á¶»ç °á°ú º¸°í¼­¡¹¿¡¼­ ´ÙÀ½°ú °°ÀÌ ÁÖÀåÇß´Ù.

 

 

1¹ø Áٱ⼼Æ÷ ¼ö¸³ ½Ã °ø¿©ÀÚ BÀÇ ³­ÀÚ¿¡ ´ëÇÑ ÇÙÀ̽ÄÀÌ ¹ö·ÁÁö´Â ¹Ì¼º¼÷ ³­ÀÚ¸¦ »ç¿ëÇØ ¼÷·ÃµÈ ¿¬±¸¿øÀÌ ¾Æ´Ñ ºñ¼÷·Ã ¿¬±¸¿ø¿¡ ÀÇÇÏ¿© ¿¬½À¸ñÀûÀ¸·Î ¼öÇàµÇ¾ú´Ù´Â ÇØ´ç ¿¬±¸¿øÀÇ Áø¼úÀ» °¨¾ÈÇϸé, 1¹ø Áٱ⼼Æ÷´Â ÇÙÀÌ½Ä °úÁ¤ Áß ºÒ¿ÏÀü Å»ÇÙ°ú ³­ÀÚ ¿·¿¡ ºÙ¾îÀÖ´Â 1Â÷ ±Øü(polar body)ÀÇ À¯ÀÔ¿¡ ÀÇÇØ À¯¹ßµÈ ó³à»ý½Ä(parthenogenesis) °úÁ¤À¸·Î ¸¸µé¾îÁ³À» °¡´É¼ºÀÌ ¸Å¿ì ³ô´Ù°í ÆǴܵȴÙ. (p.23)

 

ÇÏÁö¸¸ ½ÇÇè ÁÖü°¡ ¹ÚÀ»¼øÀÌ³Ä ÀÌÀ¯ÁøÀ̳ĸ¦ ¶°³ª¼­ "¹Ì¼º¼÷ ³­ÀÚ"´Â 1¹ø Áٱ⼼Æ÷¿Í ¾Æ¹«·± »ó°üÀÌ ¾ø´Ù. ¿Ö³ÄÇϸé, (1) "±ØüÀ¯ÀÔ¿¡ ÀÇÇÑ Ã³³à»ý½Ä"ÀÌ °¡´ÉÇÏ·Á¸é ¹Ýµå½Ã À¯À﵃ "±Øü"°¡ Á¸ÀçÇÏ°í ÀÖ¾î¾ß Çϴµ¥, ÀÌ ±Øü°¡ »ý¼ºµÈ ³­ÀÚ´Â ÀÌ¹Ì ¹Ì¼º¼÷ ³­ÀÚ°¡ ¾Æ´Ï±â ¶§¹®ÀÌ´Ù. (2) ¶ÇÇÑ ¼­Á¶À§ º¸°í¼­ 22ÂÊ¿¡, ¡°±Øü°¡ Çü¼ºµÈ 12°³´Â 2¿ù 9ÀÏ ¹ÚÀ»¼ø ¿¬±¸¿ø¿¡ ÀÇÇØ ³­±¸¼¼Æ÷¸¦ »ç¿ëÇÑ ÀÚ°¡ ÇÙÀÌ½Ä ½ÇÇè¿¡ »ç¿ëµÇ¾ú´Ù.¡±¶ó´Â ºÎºÐÀÌ Àִµ¥, ÇÙġȯÀÇ ÁÖü°¡ ¹ÚÀ»¼ø ¿¬±¸¿øÀ̾úÀ½ÀÌ °ËÂûÁ¶»ç °á°ú µå·¯³µ±â¿¡, ½ÇÇè¿¡ »ç¿ëµÈ ³­ÀÚ´Â ±Øü°¡ Çü¼ºµÈ ¼º¼÷ ³­ÀÚÀÌ´Ù.

 

 

°ø¿©ÀÚ A¿Í B´Â 6ÀÏ °£°ÝÀ¸·Î ³­ÀÚ°¡ äÃëµÇ¾ú´Ù. °ø¿©ÀÚ BÀÇ ³­ÀÚ 24°³ Áß ±Øü°¡ Çü¼ºµÈ 12°³´Â 2¿ù 9ÀÏ ¹ÚÀ»¼ø ¿¬±¸¿ø¿¡ ÀÇÇØ ³­±¸¼¼Æ÷¸¦ »ç¿ëÇÑ ÀÚ°¡ ÇÙÀÌ½Ä ½ÇÇè¿¡ »ç¿ëµÇ¾ú´Ù. ³ª¸ÓÁö 12°³´Â 3ÀÏ°£ ¹è¾çÇÑ ÈÄ ÀϺδ ±Øü°¡ ¹ß»ýÇÑ »óÅ·Î, ÀϺδ ±Øü°¡ ¹ß»ýÇÏÁö ¾ÊÀº »óÅ·ΠÀÌÀ¯Áø ¿¬±¸¿ø¿¡ ÀÇÇÏ¿© ÇÙÀÌ½Ä ½ÇÇèÀÌ ÀÌ·ç¾î Á³´Ù. (p.22)

 

(3) °Ô´Ù°¡, ÇÙġȯÀ» À§ÇØ »ç¿ëÇÑ ¡®Áã¾îÂ¥±â(squeezing) ±â¼ú¡¯Àº Á¦1±Øü¸¦ ´«À¸·Î º¸¸é¼­ ±× ±Ùó¸¦ ¹Ù´Ã·Î °üÅë½ÃŲ ÈÄ °íÁ¤¿ë ÇÇÆê°ú ¹Ù´ÃÀ» ¼­·Î ´­·¯¼­ ³­ÀÚÀÇ Åõ¸í´ë¸¦ ºÎºÐÀý°³ÇØ Á¦1±Øü¿Í ³­ÀÚÇÙÀ» Á¦°ÅÇÏ´Â °ÍÀÌ´Ù. µû¶ó¼­ ½ÇÇè¿¡ »ç¿ëµÈ ³­ÀÚ´Â ±Øü°¡ È®ÀÎµÈ ¼º¼÷ ³­ÀÚÀÏ ¼ö¹Û¿¡ ¾ø´Ù. Âü°í·Î, ³­ÀÚÀÇ ¼º¼÷°úÁ¤Àº ´ÙÀ½°ú °°´Ù.

 

±×·¸´Ù¸é ¿Ö ¼­Á¶À§´Â "¹ö·ÁÁö´Â ¹Ì¼º¼÷ ³­ÀÚ¸¦ »ç¿ëÇØ" ¿î¿îÇÏ¸ç ¹Ì¼º¼÷ ³­ÀÚ¸¦ °è¼Ó °Å·ÐÇß´ø °ÍÀϱî? ¾Æ¸¶µµ ¼º¼÷ ³­ÀÚ¶ó¸é '¼÷·Ã ¿¬±¸¿ø'ÀÎ ¹ÚÀ»¼øÀÌ ÇÙġȯÀ» ´ã´çÇßÀ» °ÍÀ̱⿡ "¿ì¿¬"È÷ "½Ç¼ö"·Î "±Øü Á¦°Å ½ÇÆÐ", "³­ÀÚÇÙ Á¦°Å ½ÇÆÐ", "±Øü À¯ÀÔ", "ü¼¼Æ÷ ÀÌ½Ä ½ÇÆÐ" µîÀÌ µ¿½Ã¿¡ ÀϾ °¡´É¼ºÀÌ ¸Å¿ì ³·±â ¶§¹®ÀÏ °ÍÀÌ´Ù.

 


V. °¢Àΰ˻ç´Â ÇÊ¿ä¾ø´Ù?

- ¼­Á¶À§´Â ¹Ì¼º¼÷ ³­ÀÚ¸¦ Çΰè·Î °¢Àΰ˻縦 ȸÇÇÇÏ·Á Çß¾ú´Ù -

1. À¯ÀüÀÚ °¢ÀÎ °Ë»ç

À¯ÀüÀÚ °¢ÀÎ(genomic imprinting)À̶õ: ºÎ¸ð ¾çÂÊ¿¡¼­ ¹ÞÀº µ¿ÀÏÇÑ ±â´ÉÀ» °¡Áø À¯ÀüÀÚ°¡ ¿°»öü¿¡¼­ ¸ðµÎ ¹ßÇöµÇ¸é À¯ÀüÀû ÀÌ»óÀÌ ¹ß»ýÇÒ ¼ö Àֱ⿡ À̵é À¯ÀüÀÚ Áß ¾î´À ÇÑÂʸ¸ ¹ßÇöµÇµµ·Ï Á¶Àý[On/Off]ÇÏ´Â °ÍÀÌ´Ù. Áï "°¢ÀÎ(Imprinting)"À̶õ '¹ßÇöÀ» Á¶ÀýÇÑ´Ù'´Â ÀǹÌÀÌ°í, ÀÌ·¸°Ô Á¶ÀýµÇ´Â À¯ÀüÀÚ¸¦ °¢ÀÎ À¯ÀüÀÚ(imprinted gene)¶ó°í ºÎ¸¥´Ù.

ÀÌ Áß Á¤ÀÚ¿¡¼­ ¹ßÇöÀÌ ¾ïÁ¦µÇ´Â À¯ÀüÀÚ¸¦ ºÎ°è °¢ÀÎ À¯ÀüÀÚ(paternally imprinted gene)¶ó°í ÇÏ°í, ³­ÀÚ¿¡¼­ ¹ßÇöÀÌ ¾ïÁ¦µÇ´Â À¯ÀüÀÚ¸¦ ¸ð°è °¢ÀÎ À¯ÀüÀÚ(maternally imprinted gene)¶ó ÇÑ´Ù.

 

 

- ºÎ°è °¢ÀÎ À¯ÀüÀÚ: Á¤ÀÚ¿¡¼­ ¹ßÇöÀÌ ¾ïÁ¦µÇ´Â À¯ÀüÀÚ

- ¸ð°è °¢ÀÎ À¯ÀüÀÚ: ³­ÀÚ¿¡¼­ ¹ßÇöÀÌ ¾ïÁ¦µÇ´Â À¯ÀüÀÚ

 

°¢ÀÎ À¯ÀüÀÚ´Â Á¤ÀÚ¿Í ³­ÀÚ¿¡ ¸ðµÎ ÀÖÀ¸³ª °°Àº °¢ÀÎ À¯ÀüÀÚ¶óµµ ¾îµð¿¡ ÀֳĿ¡ µû¶ó ±× ¹ßÇö ¿©ºÎ°¡ ´Þ¶óÁø´Ù. ¿¹ÄÁ´ë ºÎ°è °¢ÀÎ À¯ÀüÀÚÀÎ H19ÀÇ ¹ßÇöÀº ´ÙÀ½°ú °°ÀÌ ´Þ¶óÁø´Ù.

 

 

- H19°¡ ³­ÀÚ¿¡ ÀÖÀ» ¶§: H19 ¹ßÇö[On] ¢¡ Igf2 À¯ÀüÀÚ¿¡ ¸ÞÆ¿±â°¡ ºÙ¾î ±â´ÉÀ» ¸øÇÔ[X] ¢¡ žÆÀÇ ¼ºÀåÀ» Á¶ÀýÇÏ´Â ´Ü¹éÁú »ý»ê ¾È µÊ[X]

- H19°¡ Á¤ÀÚ¿¡ ÀÖÀ» ¶§: H19 ¹ßÇö ¾ïÁ¦[Off] ¢¡ Igf2 À¯ÀüÀÚ°¡ ±â´ÉÀ» ÇÔ[O] ¢¡ žÆÀÇ ¼ºÀåÀ» Á¶ÀýÇÏ´Â ´Ü¹éÁúÀ» »ý»ê[O]

 

°£´ÜÈ÷ ¸»Çؼ­, žư¡ Á¦´ë·Î ¼ºÀåÇß´Ù´Â ¸»Àº Igf2 À¯ÀüÀÚ°¡ Á¤»óÀûÀ¸·Î ±â´ÉÇØ ´Ü¹éÁúÀÌ »ý»êµÇ¾ú´Ù´Â ¸»À̱⿡, Á¤ÀÚ¿¡ ÀÖ´Â H19´Â ¹ßÇöÀÌ ¾ïÁ¦µÇ¾ú°í[Off], ³­ÀÚ¿¡ ÀÖ´Â H19´Â ¹ßÇöÇß´Ù[On]´Â ÀǹÌÀÌ´Ù. ±×·¯¹Ç·Î Á¤ÀÚ¿¡¼­ ¹ßÇöÀÌ ¾ïÁ¦µÈ H19´Â ºÎ°è °¢ÀÎ À¯ÀüÀÚÀÎ µ¿½Ã¿¡ ¸ð°è(³­ÀÚ)ÂÊÀ¸·Î¸¸ ¹ßÇöµÇ´Â ¸ð°è ¹ßÇö À¯ÀüÀÚÀÎ °ÍÀÌ´Ù. ¹Ý´ë·Î ³­ÀÚ¿¡¼­ ¹ßÇöÀÌ ¾ïÁ¦µÇ´Â ¸ð°è °¢ÀÎ À¯ÀüÀÚ, °ð ºÎ°è·Î¸¸ ¹ßÇöµÇ´Â À¯ÀüÀÚ´Â ARH1, SNRPN µîÀÌ ÀÖ´Ù.

 

 

- ºÎ°è °¢ÀÎ À¯ÀüÀÚ = ¸ð°èÂÊÀ¸·Î¸¸ ¹ßÇöµÇ´Â À¯ÀüÀÚ = UBE3A, H19, ...

- ¸ð°è °¢ÀÎ À¯ÀüÀÚ = ºÎ°èÂÊÀ¸·Î¸¸ ¹ßÇöµÇ´Â À¯ÀüÀÚ = ARH1, SNRPN, ...

 

À¯ÀüÀÚ °¢Àΰ˻ç(imprinting anlysis)¶õ: ºÎ°è ÂÊÀ¸·Î¸¸ ¹ßÇöµÇ´Â À¯ÀüÀÚ(ARH1, SNRPN)¿Í ¸ð°è ÂÊÀ¸·Î¸¸ ¹ßÇöµÇ´Â À¯ÀüÀÚ(UBE3A, H19)ÀÇ ¹ßÇö ¿©ºÎ¸¦ ÆľÇÇÏ´Â °Ë»ç´Ù. ´Ü¼º»ý½Ä(ó³à»ý½Ä)À¸·Î ¹è¾Æ°¡ ¸¸µé¾îÁ³´Ù¸é ¾î¸Ó´ÏÀÇ ¿°»öü¸¸ ¹Þ°Ô µÇ¹Ç·Î UBE3A, H19 µî¸¸ ¹ßÇöÇÏ´Â ¹Ý¸é, ü¼¼Æ÷´Â ¾ç¼º»ý½ÄÀÇ °á°ú¹°À̱⠶§¹®¿¡ ±× ü¼¼Æ÷·Î ³­ÀÚÀÇ ÇÙÀ» ġȯÇÑ Ã¼¼¼Æ÷º¹Á¦ ¹è¾ÆÁٱ⼼Æ÷´Â UBE3A, H19, ARH1, SNRPN µîÀÌ ¸ðµÎ ¹ßÇöÇؾßÇÑ´Ù.

µû¶ó¼­ ¾ç°èÀÇ °¢ÀÎ À¯ÀüÀÚ°¡ ¸ðµÎ ¹ßÇöÇß´Ù¸é, °ø¿©ÀÚ B·ÎºÎÅÍ À¯·¡ÇÑ 1¹ø Áٱ⼼Æ÷, Áï NT-1B´Â ü¼¼Æ÷ ÇÙġȯ¿¡ ÀÇÇØ ¸¸µé¾îÁ³À» È®·üÀÌ ´ë´ÜÈ÷ ³ô´Ù. ¿Ö³ÄÇϸé, NT-1B´Â ÀÌ¹Ì BÀÇ Ã¼¼¼Æ÷¿Í 40°³ DNA¸¶Ä¿°¡ ÀÏÄ¡ÇÔÀ¸·Î½á ü¿Ü¼öÁ¤¿¡ ÀÇÇÑ ¼öÁ¤¶õ ¹è¾ÆÁٱ⼼Æ÷°¡ ¾Æ´ÔÀº ÀÌ¹Ì ¹àÇôÁø »óÅÂÀ̱⠶§¹®ÀÌ´Ù.

2. ¸¶Å©·ÎÁ¨ÀÇ ´Ü¼º»ý½ÄÀ¸·Î ž Áã

2004³â ¸¶Å©·ÎÁ¨ÀÇ ´ëÇ¥ÀÌ»çÀÎ ¼­¿ï´ë ÀÇ´ë ¼­Á¤¼± ±³¼ö µîÀ¸·Î ²Ù·ÁÁø °øµ¿¿¬±¸ÆÀÀÌ ½ÇÇè¿ë Áã¿¡¼­ Á¤ÀÚ ¾øÀÌ ³­ÀÚ¸¸À¸·Î °Ç°­ÇÑ »õ³¢ Á㸦 ź»ý½ÃÅ°´Âµ¥ ¼º°øÇß´Ù (Birth of parthenogenetic mice that can develop to adulthood, Nature, Vol. 428, 2004). ³­ÀÚ·Î ÀÚ¶ó³¯ ¹Ì¼º¼÷ ³­ÀÚ¿¡ À¯ÀüÀÚÁ¶ÀÛÀ» °¡ÇØ Á¤ÀÚÀÇ ¿ªÇÒÀ» ´ë½Å½ÃÅ´À¸·Î½á °á±¹ ³­ÀÚ 2°³·Î Á¤»óÀûÀÎ Á㸦 ź»ý½ÃŲ °ÍÀε¥, ±× °³¿ä´Â ´ÙÀ½°ú °°´Ù.

 

 

- ¾ç¼º»ý½Ä: ³­ÀÚ + Á¤ÀÚ = ¹ß»ý

- ´Ü¼º»ý½Ä: ³­ÀÚ + ³­ÀÚ(À¯ÀüÀÚ°¡ Á¶ÀÛµÈ ¹Ì¼º¼÷ ³­ÀÚ) = ¹ß»ý

 

ÇÑÀÏ °øµ¿¿¬±¸ÆÀÀº ³­ÀÚ°¡ Á¤ÀÚÀÇ ¿ªÇÒÀ» ¼öÇàÇÒ ¼ö ÀÖµµ·Ï ¾ÆÁ÷ À¯ÀüÀÚ °¢ÀÎÀÌ ÀϾÁö ¾ÊÀº ¹Ì¼º¼÷ ³­ÀÚ¿¡¼­ ¾Õ¼­ ¾ð±ÞÇÑ H19¸¦ Æ÷ÇÔÇÑ 1¸¸ 3õ¿© °³ÀÇ ¿°±â¸¦ ³ì-¾Æ¿ô(Knock-Out) ±â¹ýÀ¸·Î Á¦°ÅÇØ ¹ö¸®ÀÚ ¹Ì¼º¼÷ ³­ÀÚ°¡ Á¤ÀÚÀÇ ±â´ÉÀ» ¼öÇàÇÒ ¼ö ÀÖ°Ô µÈ °ÍÀÌ´Ù.

 

 

- ÀÚ¿¬ »óÅ¿¡¼­ H19°¡ ³­ÀÚ¿¡ ÀÖÀ» ¶§: H19 ¹ßÇö[On] ¢¡ Igf2 À¯ÀüÀÚ¿¡ ¸ÞÆ¿±â°¡ ´Þ¶óºÙ¾î ±â´ÉÀ» ¸øÇÔ[X] ¢¡ Á¤ÀÚÀÇ ±â´ÉÀ» ¸øÇÔ

- ¼º¼÷ ³­ÀÚ¿¡¼­ H19¸¦ Á¦°ÅÇßÀ» ¶§: H19 ¹ßÇö[On] ¢¡ Igf2 À¯ÀüÀÚ¿¡ ¸ÞÆ¿±â°¡ ´Þ¶óºÙ¾î ±â´ÉÀ» ¸øÇÔ[X] ¢¡ ³ªÁß¿¡ H19 Á¦°ÅÇغÁ¾ß ¹«ÀǹÌÇÔ ¢¡ Á¤ÀÚÀÇ ±â´ÉÀ» ¸øÇÔ

- ¹Ì¼º¼÷ ³­ÀÚ¿¡¼­ H19¸¦ Á¦°ÅÇßÀ» ¶§: ¹ßÇöÇÒ H19 ¾øÀ½ ¢¡ H19 ¹ßÇö ¾ïÁ¦[Off]¿Í °°Àº È¿°ú ¢¡ Igf2 À¯ÀüÀÚ°¡ žÆÀÇ ¼ºÀåÀ» Á¶ÀýÇÏ´Â ´Ü¹éÁúÀ» »ý»êÇÏ´Â ±â´ÉÀ» ÇÔ[O] ¢¡ Á¤ÀÚÀÇ ±â´ÉÀ» ´ë½ÅÇÔ

 

±×·¸´Ù¸é ¹Ì¼º¼÷ ³­ÀÚ¿¡¼­ À¯ÀüÀÚ °¢ÀÎÀÌ ÀϾ´Â ½ÃÁ¡ÀÌ ¾ðÁ¦ÀÎÁö°¡ Áß¿äÇØ Áø´Ù.

3. °¢ÀÎ À¯ÀüÀÚÀÇ °¢ÀÎ ½ÃÁ¡

¾Æ·¡ÀÇ ±×¸²Àº ÁãÀÇ °¢ÀÎ À¯ÀüÀÚÀÇ ¸ÞÆ¿È­ Á¤µµ¸¦ º¸¿©ÁÖ°í ÀÖ´Ù (Potential signi¢çcance of genomic imprinting defects for reproduction and assisted reproductive technology, Human Reproduction Update, Vol.10, No.1 pp. 3~18, 2004).

¿©±â¼­ ¸ÞÆ¿È­(methylation)¶õ: °¢ÀÎ À¯ÀüÀÚ°¡ ¹ßÇöµÇ¸é ¸ÞÆ¿±â°¡ Igf2 °°Àº À¯ÀüÀÚÀÇ Æ¯Á¤ À§Ä¡¿¡ ´Þ¶óºÙ¾î À¯ÀüÀÚÀÇ ±â´ÉÀ» ¸øÇÏ°Ô ¸¸µå´Â °ÍÀÌ´Ù. °ð "¸ÞÆ¿È­ ¼öÄ¡°¡ ³ô´Ù"´Â ¼Ò¸®´Â "À¯ÀüÀÚ °¢ÀÎÀÌ ¸¹ÀÌ ÁøÇàµÇ¾ú´Ù"´Â ÀǹÌÀÎ °ÍÀÌ´Ù. »¡°£»ö ¼±ÀÌ ¸ð°è °¢ÀÎ À¯ÀüÀÚ(maternally imprinted gene), ÆĶõ»ö ¼±ÀÌ ºÎ°è °¢ÀÎ À¯ÀüÀÚ(paternally imprinted gene)¿¡ ÀÇÇÑ ¸ÞÆ¿È­ Á¤µµ¸¦ Ç¥½ÃÇÏ°í ÀÖ´Ù.

 

 

À§ÀÇ ±×¸²¿¡¼­ ¾Ë ¼ö ÀÖµíÀÌ, À¯ÀüÀÚ °¢ÀÎÀÌ ¿Ï·áµÈ »óÅÂ(¸ÞÆ¿È­ ¼öÄ¡°¡ ÃÖ»ó)À̾ú´ø ¿ø½Ã»ý½Ä¼¼Æ÷(PGC)°¡ ³­¿ø¼¼Æ÷(Oog)°¡ µÇ¸é¼­ °¢ÀÎÀÌ ÇØÁ¦µÇ°í(¸ÞÆ¿È­ ¼öÄ¡°¡ °¨¼Ò), Å»ç±â(Pachytene, P) ÀÌÈÄ¿¡ ´Ù½Ã Àç°¢ÀÎÀÌ ½ÃÀÛµÇ¾î ¼º¼÷ ³­ÀÚÀÎ Á¦2³­¸ð¼¼Æ÷(MII)¿¡ À̸£·¯ À¯ÀüÀÚ °¢ÀÎÀÌ ¿Ï·áµÇ¾ú´Ù(¸ÞÆ¿È­ ¼öÄ¡°¡ ÃÖ»ó). ÁãÀÇ °æ¿ì °¡ÀÓ±âÀÎ »ýÈÄ 30ÀÏ Á¤µµ°¡ Áö³ª¸é ¹Ì¼º¼÷ ³­ÀÚ¿¡¼­ °¢ÀÎ Çö»óÀº °ÅÀÇ Á¾·áµÇ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. ÁãÀÇ Ã³³à»ý½Ä Áٱ⼼Æ÷¸¦ ÀΰøÀûÀ¸·Î ºÐÈ­½ÃÅ°´Â °æ¿ì °¢ÀÎ ºÎÁ¤È®ÇÒ °¡´É¼ºÀ» ÁöÀûÇÑ ³í¹®ÀÌ ÀÖÁö¸¸ ÀÌ´Â ¹ÌºÐÈ­ »óŸ¦ À¯ÁöÇÏ°í ÀÖ´Â Áٱ⼼Æ÷¿¡ ÇØ´çµÇ´Â ³»¿ëÀÌ ¾Æ´Ï´Ù.

Àΰ£ÀÇ °æ¿ìµµ ¸¶Âù°¡Áö´Ù. Àΰ£ ³­ÀÚÀÇ °¢ÀÎÇö»óÀÌ ¾ðÁ¦ ÀϾ´ÂÁö¸¦ ¿¬±¸ÇÑ ³í¹®¿¡ µû¸£¸é (Methylation imprints of the imprint control region of the SNRPN-gene in human gametes and preimplantation embryos Human Molecular Genetics, 2003, Vol. 12, No. 22 2873 - 2879), ¹è¾Æ¼ÒÆ÷ »óÅ¿¡¼± 99.8%, Á¦1 °¨¼öºÐ¿­ Àü±âÀÇ ¹Ì¼º¼÷³­ÀÚ¿¡¼­µµ ¾à 98%¿¡¼­ ¸ÞÆ¿È­°¡ ÀÌ·ç¾îÁø °ÍÀÌ °üÂûµÇ¾ú´Ù. ¶ÇÇÑ Á¦2°¨¼öºÐ¿­ Àü±âÀÇ ¼º¼÷³­ÀÚ´Â Á¦1±ØüÀÇ Á¦°Å ¿©ºÎ¿¡ »ó°ü¾øÀÌ 100% ¸ÞÆ¿È­°¡ ÀϾ´Ù°í ÇÑ´Ù. Áï Á¦1±Øü°¡ Çü¼ºµÈ ¼º¼÷³­ÀÚ´Â ±Øü Á¦°Å ¿©ºÎ¿¡ »ó°ü¾øÀÌ °¢ÀÎÇö»óÀÌ ¿Ï·áµÇ¾ú´Ù´Â ¸»ÀÌ´Ù.

 

 

µû¶ó¼­ °¢ÀÎ À¯ÀüÀÚÀÇ ¹ßÇö ½ÃÁ¡À» Á¤¸®ÇÏ¸é ´ÙÀ½°ú °°´Ù.

 

 

- ¿ø½Ã »ý½Ä¼¼Æ÷(PGC): ¾ç°è(ºÎ°è+¸ð°è)ÀÇ °¢ÀÎ À¯ÀüÀÚ ¹ßÇö

- ³­¿ø¼¼Æ÷(Oog): ¾ç°èÀÇ °¢ÀÎ À¯ÀüÀÚ°¡ ¸ðµÎ ¹ßÇö ¢¡ Á¦2³­¸ð¼¼Æ÷(MII): ºÎ°è °¢ÀÎ À¯ÀüÀÚ(¸ð°è ¹ßÇö À¯ÀüÀÚ, UBE3A, H19, ...)¸¸ ¹ßÇö

- Á¤¿ø¼¼Æ÷(Sp): ¾ç°èÀÇ °¢ÀÎ À¯ÀüÀÚ°¡ ¸ðµÎ ¹ßÇö ¢¡ Á¤ÀÚ(sperm): ¸ð°è °¢ÀÎ À¯ÀüÀÚ(ºÎ°è ¹ßÇö À¯ÀüÀÚ, ARH1, SNRPN, ...)¸¸ ¹ßÇö

- ¼öÁ¤(fertilization) = Á¦2³­¸ð¼¼Æ÷+Á¤ÀÚ: ¾ç°è(ºÎ°è+¸ð°è)ÀÇ °¢ÀÎ À¯ÀüÀÚ ¹ßÇö

 

ÀÌó·³ äÃëµÈ ³­ÀÚ¿¡¼­ ±Øü¸¦ È®ÀÎÇÑ ½ÃÁ¡¿¡´Â ÀÌ¹Ì À¯ÀüÀÚ °¢ÀÎÀÌ ¿Ï·áµÈ »óÅÂÀÌ´Ù. ±×·¸±â¿¡ À¯ÀüÀÚ °¢ÀÎÀÌ ¿Ï·áµÈ MII ´Ü°è ÀÌÈÄÀÇ ¼º¼÷ÇÑ ³­ÀÚ¿¡¼­ À¯·¡ÇÑ Ã³³à»ý½Ä°ú´Â ´Þ¸®, ¾ÆÁ÷ À¯ÀüÀÚ °¢ÀÎÀÌ ÀϾÁö ¾ÊÀº ¹Ì¼º¼÷ ³­ÀÚ¿¡¼­ À¯·¡ÇÑ Ã³³à»ý½ÄÀº ºÎ°è¿Í ¸ð°è ¸ðµÎÀÇ °¢ÀÎ À¯ÀüÀÚ°¡ ¹ßÇöÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù.

4. ¼­¿ï´ë Á¶»çÀ§ÀÇ °¢ÀÎ°Ë»ç ¹«¿ë·Ð

¾Õ¼­ »ìÆ캸¾ÒµíÀÌ 1¹ø Áٱ⼼Æ÷(Nt-1B)°¡ °ø¿©ÀÚ B¿¡¼­ À¯·¡ÇÑ "¹Ì¼º¼÷ ³­ÀڷκÎÅÍ ¸¸µé¾îÁ³"°í Á¦ 1±Øü¸¦ È®ÀÎ ¸øÇÑ »óŶó¸é °¢Àΰ˻çÀÇ Á¤È®µµ°¡ ¶³¾îÁú ¼ö ÀÖ´Ù. ÀÌ°Ô ¼­¿ï´ë Á¶»çÀ§°¡ ÁÖÀåÇÏ´Â À̸¥¹Ù '°¢ÀÎ°Ë»ç ¹«¿ë·Ð'ÀÇ ÁÖ¿ä ³í¸®ÀÌ´Ù.

 

 

¡°¡¦¼­¿ï´ë Á¶»çÀ§¿øÀ¸·Î È°µ¿Çß´ø ÇÑ ±³¼ö´Â ¡°ºÎ¸ðÀÇ À¯ÀüÀÚ Áß ÇÑ Âʸ¸ ¹ßÇöµÇµµ·Ï °¢ÀÎÈ­ÇÏ´Â °úÁ¤ÀÌ ³­ÀÚ°¡ ¼º¼÷µÇ¸é¼­ ÀÌ·ïÁö´Âµ¥ 1¹ø Áٱ⼼Æ÷ÀÇ °æ¿ì ¹Ì¼º¼÷ ³­ÀÚ·Î ¸¸µé¾îÁ³°í, ÀÌ °°Àº Àΰ£ ó³à»ý½ÄÀÇ °¢ÀÎÀ¯ÀüÀÚ°¡ ¾î¶»°Ô ³ªÅ¸³ª´ÂÁö ¼±Ç࿬±¸°¡ ÀüÇô ¾ø±â ¶§¹®¿¡ °¢ÀÎÀ¯ÀüÀÚ °Ë»ç¸¦ ÇÏ´õ¶óµµ °á°ú¸¦ 100% ½Å·ÚÇϱ⠾î·Á¿ï °Í¡±À̶ó°í ¸»Çß´Ù.¡¦¡± ("1¹ø Áٱ⼼Æ÷ Á¤Ã¼´Â" ¶Ç ºÒ°ÅÁö´Â ³í¶õ, Çѱ¹ÀϺ¸, 2006-02-15)

 

ÀÌ´Â ³ªÁß¿¡ ´Ù¸¥ ±³¼öÀÇ ÀÔÀ» ÅëÇØ ´Ù½Ã ÇÑ ¹ø È®ÀεǾú´Ù.

 

 

¡°¡¦¡°¹Ì¼º¼÷ ³­ÀÚÀÇ °æ¿ì °¢ÀÎ °úÁ¤ÀÌ ¹Ìó ¿Ï·áµÇÁö ¾Ê¾ÒÀ» ¼ö Àֱ⠶§¹®¿¡ °¢Àΰ˻縦 ÇÏ´õ¶óµµ ¸ð°è °¢ÀÎÀ¯ÀüÀÚ¸¸ ¹ßÇöµÇ´Â °ÍÀÌ ¾Æ´Ï¶ó ºÎ°è °¢ÀÎÀ¯ÀüÀÚµµ ÇÔ²² ¹ßÇöµÉ °¡´É¼ºÀÌ ÀÖ´Ù.¡¦¡± ("1¹ø Áٱ⼼Æ÷(NT-1)´Â °¢ÀÎ°Ë»ç ¹«ÀǹÌ", ¿¬ÇÕ´º½º, 2006-03-08)

 

ÇÏÁö¸¸ ÀÌ·± ÁÖÀåÀº ¸ð¼øÀÌ´Ù. ¾Õ¼­ »ìÆ캸¾ÒµíÀÌ ¼­Á¶À§ÀÇ ÁÖÀåó·³ Á¦1±Øü À¯ÀÔ¿¡ ÀÇÇÑ Ã³³à»ý½ÄÀÌ °¡´ÉÇÏ·Á¸é ±× Àü¿¡ "Á¦1±Øü"°¡ ¹Ýµå½Ã Á¸ÀçÇÏ°í ÀÖ¾î¾ß Çϴµ¥, ÀÌ Á¦1±Øü°¡ Çü¼ºµÈ MII ´Ü°èÀÇ ³­ÀÚ´Â À­ µµÇ¥¿¡¼­ ¾Ë ¼ö ÀÖµíÀÌ ÀÌ¹Ì "¹Ì¼º¼÷ ³­ÀÚ"°¡ ¾Æ´Ï±â ¶§¹®ÀÌ´Ù. Áï ¼º¼÷ ³­ÀÚ¸¦ ÀüÁ¦·Î "Á¦1±Øü À¯ÀÔ¿¡ ÀÇÇÑ ´Ü¼º»ý½Ä"À» ¼³ÆÄÇÏ´ø ¼­Á¶À§°¡ ¾î´À»õ ¹Ì¼º¼÷ ³­ÀÚ¸¦ ÀüÁ¦·Î °¢ÀÎ°Ë»ç ¹«¿ë·ÐÀ» ÁÖÀåÇÏ°í ÀÖ´Â °ÍÀÌ´Ù.

¼¼¸ð³­ ³×¸ð°¡ ¾øµíÀÌ ¹Ì¼º¼÷ÇÑ ¼º¼÷ ³­ÀÚµµ ¾ø´Ù. ±×·¸±â¿¡ °¢ÀÎ°Ë»ç ¿ä±¸¸¦ ȸÇÇÇÏ°í °á°ú¿¡ ½Âº¹ÇÏÁö ¾Ê±â À§Çؼ­ ½ÇÁ¦ ½ÇÇè¿¡´Â »ç¿ëµÇÁöµµ ¾ÊÀº "¹Ì¼º¼÷ ³­ÀÚ"¸¦ ¼­Á¶À§°¡ ¾ð·ÐÀ» ÅëÇØ °è¼Ó È기 °Í ¾Æ´Ï³Ä´Â ÀÇȤÀÌ Á¦±âµÇ¾ú´ø °ÍÀÌ´Ù.

ÀÌÁ¦ °ËÂûÁ¶»ç °á°ú 1¹ø Áٱ⼼Æ÷ÀÇ ÇÙġȯÀ» ´ã´çÇÑ ÁÖü´Â ÀÌÀ¯Áø ¿¬±¸¿øÀÌ ¾Æ´Ï¶ó ¹ÚÀ»¼ø ¿¬±¸¿øÀ¸·Î ¹àÇôÁ³°í, ½ÇÇè¿¡ »ç¿ëÇÑ ³­ÀÚ´Â ±Øü°¡ È®ÀÎµÈ ¼º¼÷ ³­ÀÚ·Î ÆǸíµÇ¾ú´Ù. µû¶ó¼­ °¢ÀÎ°Ë»ç °á°ú, ºÎ°è¿Í ¸ð°è °¢ÀÎ À¯ÀüÀÚÀÇ ¹ßÇöÀÌ ¸ðµÎ È®Àεȴٸé, °ø¿©ÀÚ B¿¡¼­ À¯·¡ÇÑ 1¹ø Áٱ⼼Æ÷, Áï NT-1B´Â ü¼¼Æ÷ º¹Á¦ Áٱ⼼Æ÷ÀÏ °¡´É¼ºÀÌ ³ô´Ù.

¶ÇÇÑ ¿µÀå·ù¿¡¼­ ó³à»ý½Ä Áٱ⼼Æ÷¸¦ ¸¸µç È£¼¼ ½Ãº§¸®(Jose Cibelli) ¹Ú»çÀÇ ³í¹®¿¡ µû¸£¸é ü¼¼Æ÷¿Í DNAÁö¹® °Ë»ç°¡ À¯»çÇÏ°Ô ³ª¿À´õ¶óµµ °¢ÀÎ °Ë»ç¸¦ ÅëÇØ ±¸º°ÇÒ ¼ö ÀÖ´Ù°í ÇÑ´Ù. Áï DNAÁö¹® °Ë»ç´Â ´Ü¼º»ý½ÄÀ» ÆǺ°Çϴµ¥ ÀÖ¾î ¿ÀÈ÷·Á À¯¿ëÇÏÁö ¾Ê¾Ò´ø °ÍÀÌ´Ù. µû¶ó¼­ DNA Áö¹® °Ë»ç¿Í »ó°ü¾øÀÌ °¢ÀÎ °Ë»ç °á°ú¸¸ µÞ¹Þħ µÇ¾îµµ ´Ü¼º»ý½Ä·ÐÀº ±Ù°Å°¡ ¾ø¾îÁø´Ù.

5. NT-1BÀÇ °¢ÀÎ°Ë»ç °á°ú

ÃÖ±Ù ¼­¿ï´ë Á¶»çÀ§¿¡¼­ ÇÏÁö ¾Ê¾Ò´ø 1¹ø Áٱ⼼Æ÷ÀÇ °¢ÀÎ °Ë»ç°¡ ½Ç½ÃµÆ´Ù. ±× °á°ú ó³à»ý½Ä¿¡¼­´Â º¸±â ¾î·Á¿î ºÎ°è À¯ÀüÀÚ°¡ ¹ßÇöµÇ¾úÀ½ÀÌ È®ÀεǾú´Ù (NT-1 Á¤Ã¼ ¡®¿À¸®¹«Áß'¡¦ÇÐÀÚµé ¡°Ã¼¼¼Æ÷º¹Á¦ °¡´É¼º ³ô´Ù¡±, µ¿¾ÆÀϺ¸ 2006-03-17). 

 

ÀÌ°°Àº °Ë»ç°á°ú¿Í °ü·ÃÇØ µ¿¾Æ´åÄÄÀº »ý¸í°øÇÐ, »ýÈ­ÇÐ, À¯Àü°øÇÐ Àü¹®°¡ µî 10¸í¿¡°Ô ÀÌ °á°úÀÇ Àǹ̿¡ ´ëÇØ ÀÚ¹®À» ±¸ÇÑ °á°ú Á¶»çÀ§ °ü°èÀÚ¸¦ Á¦¿ÜÇÑ Àü¿øÀÌ Ã³³à»ý½Ä °¡´É¼ºÀÌ Àû¾î Á³À½À» ÀǹÌÇѴٴµ¥´Â ÀÇ°ßÀÏÄ¡¸¦ ºÃÀ¸³ª ¡®±×¸¸Å­ ü¼¼Æ÷ º¹Á¦ Áٱ⼼Æ÷ °¡´É¼ºÀÌ Ä¿Áø °Í'À¸·Î Çؼ®ÇÒ ¼ö ÀÖ´À³Ä´Âµ¥ ´ëÇؼ­´Â ±àÁ¤ÀûÀ̰ųª À¯º¸ÀûÀÎ ÀÇ°ßÀ» º¸¿´´Ù.
ƯÈ÷ ´ç½Ã ¼­¿ï´ë Á¶»çÀ§¿¡¼­ 1¹ø ¼¼Æ÷¿Í °ü·ÃÇØ ÀÚ¹®À» Çß´ø ¼­¿ï´ë ¼­Á¤¼± ±³¼ö±îÁö ó³à»ý½Ä °¡´É¼º¿¡ ´ëÇÑ ÁÖÀåÀ» »ç½Ç»ó öȸÇÏ°í ¡®Ã¼¼¼Æ÷ º¹Á¦ Áٱ⼼Æ÷ °¡´É¼º'À» Á¦±âÇß´Ù.

 

[¼­Á¤¼± ¼­¿ï´ë ±³¼ö] : ¡°1¹ø ¼¼Æ÷´Â ½ÉÇÏ°Ô ÈѼյǰųª º¯ÇüµÈ ü¼¼Æ÷ º¹Á¦ Áٱ⼼Æ÷ÀÏ °¡´É¼ºÀÌ ÀÖ´Ù¡±¸ç ¡°Ã³³à»ý½ÄÀÇ °¡´É¼ºÀº »ó´çÈ÷ ³·¾ÆÁø´Ù¡±°í ¸»Çß´Ù.

 

[Àΰ£À¯ÀüÀÚ º¯ÀÌ ¿¬±¸ ±ÇÀ§ÀÚ A ±³¼ö] : °¢ÀÎ °Ë»ç¿¡¼­ ºÎ°è°¡ ³ª¿Ô´Ù´Â °ÍÀº ó³à»ý½ÄÀÇ °¡´É¼ºÀ» ³·Ãß°í ü¼¼Æ÷ º¹Á¦ÀÇ °¡´É¼ºÀ» ³ôÈù´Ù¡±¸ç ¡°±×·¯³ª ¿ö³« ¾Õ¼± ¿¬±¸À̱⠶§¹®¿¡ ¾ó¸¶³ª ¸¹Àº È®·ü·Î ³ôÀ̰ųª ³·Ãß´ÂÁö´Â ´ÜÁ¤Áö¾î ¸»Çϱ⠾î·Æ´Ù¡±°í ¸»Çß´Ù. ±×´Â¡°°³ÀÎÀûÀ¸·Î´Â 1¹ø Áٱ⼼Æ÷´Â ü¼¼Æ÷ º¹Á¦ÀÏ °¡´É¼ºÀÌ Å©´Ù°í »ý°¢ÇÑ´Ù¡±°í µ¡ºÙ¿´´Ù. ±×´Â 1¹ø Áٱ⼼Æ÷¿Í °ü·ÃÇØ ÀÏ°¢¿¡¼­ Á¦±âµÈ ¡®°¢ÀÎ °Ë»ç ¹«¿ë·Ð'°ú °ü·ÃÇØ ¡°ÀÌ °èÅë¿¡ ÀÖ´Â »ç¶÷µéÀÌ µéÀ¸¸é ¿ôÀ» °Í¡±À̶ó¸ç ¡°Àý´ë °¢Àΰ˻簡 ¹«ÀǹÌÇÏ´Ù°í »ý°¢ÇÏÁö ¾Ê´Â´Ù. ´Ù¸¸ ¿ÏÀüÇÑ Áõ¸í ¹æ¹ýÀ̶ó°í ¸»ÇÒ ¼ö ¾øÀ» »Ó¡±À̶ó°í ¸»Çß´Ù.

 

[»ýÈ­ÇÐÀÚÀÎ ÃæºÏ´ë Á¤ÀÇ¹è ±³¼ö] : ¡°°¢ÀÎ °Ë»ç °á°ú ºÎ°è À¯ÀüÀÚ°¡ ³ª¿Ô´Ù¸é ó³à»ý½ÄÀÌ ¾Æ´Ï¶ó´Â °ÍÀÌ Á¤¼³¡± À̶ó¸ç ¡°Á㳪 ´Ù¸¥ Æ÷À¯·ù °æ¿ì ¹Ì¼º¼÷ ³­ÀÚÀÇ °æ¿ì °¢ÀÎ °Ë»ç °á°ú¿¡¼­ ºÎ°è°¡ ³ª¿Ã ¼öµµ ÀÖ´Ù´Â ³í¹®ÀÌ ÀÖ´Â °ÍÀ¸·Î ¾Ë°í ÀÖÁö¸¸ »ç¶÷¿¡°Ôµµ Àû¿ëµÉ Áö´Â Àǹ®ÀÌ°í, Á¦°¡ ÆÇ´ÜÇϱ⿣ 1¹ø ¼¼Æ÷¿¡ »ç¿ëµÈ ³­ÀÚ´Â ¹Ì¼º¼÷ÇÑ ³­ÀÚµµ ¾Æ´Ï´Ù¡±°í ¸»Çß´Ù. Á¤ ±³¼ö´Â ¡°°¢ÀÎ °Ë»ç°¡ ÇÊ¿ä ¾ø´Ù´Â ¼Ò¸®´Â ÀÌÇØÇÒ ¼ö ¾ø´Ù. º¸Åë ³í¹®À» Á¦ÃâÇÒ ¶§µµ ´Ù¾çÇÑ °ËÁõ ±â¹ýÀ» È°¿ëÇÏ´Â °ÍÀÌ »ó½Ä¡±À̶ó¸ç ¡°¿ÀÈ÷·Á DNA ¸¶Ä¿ 40°³ Áß¿¡ 8°³°¡ ³­ÀÚ Á¦°øÀÚ¿Í ºÒÀÏÄ¡Çϴϱî ó³à»ý½ÄÀ̶ó°í ´ÜÁ¤ Áþ´Â °Ç ´õ À§ÇèÇÑ °á·ÐÀ̶ó°í º»´Ù¡±°í ¸»Çß´Ù.

 

[ÀÓÁ¤¹¬ ¼­¿ï´ë ±³¼ö] : ¡°Ã¼¼¼Æ÷º¹Á¦¹è¾ÆÁٱ⼼Æ÷¸¦ ÇÏ´Â »ç¶÷µé¿¡°Ô ó³à»ý½ÄÀº Àç¾Ó¡± À̶ó¸ç ¡°±×·¸°Ô µÇÁö ¾Ê±â À§ÇØ ¹Ýµå½Ã Å»ÇÙ È®ÀÎÀ» °ÅÄ£´Ù. Á¦ 1±Øü¿Í ¿°»öü Á¦°Å°¡ ¹Ù·Î ½ºÄû¡ÀÇ ¸ñÀû¡±À̶ó°í °­Á¶Çß´Ù. ÀÓ ±³¼ö´Â µ¡ºÙ¿© ¡°³»°¡ ¿äÁò ó³à»ý½ÄÀ¸·Î Áٱ⼼Æ÷¸¦ ¸¸µå´Â °ÍÀ» ½ÇÇèÇÏ°í ÀÖ´Ù¡±¸ç ¡°Ã³³à»ý½ÄÀÇ °æ¿ì ´Ù¸¥ È°¼ºÈ­ È¿¼Ò¸¦ »ç¿ëÇÑ´ÙµçÁö, ¹è¾ÆÁٱ⼼Æ÷¿Í´Â ½ÇÇè ¹æ½ÄÀÌ ÀüÇô ´Ù¸£´Ù¡±°í ¸»Çß´Ù.

 

[À¯ÀüÀÚ º¯ÀÌ Àü¹®°¡ÀÎ A ±³¼ö] : Áٱ⼼Æ÷¿¡¼­´Â Áö¼ÓÀûÀÎ ¹è¾ç °úÁ¤¿¡¼­ DNA°¡ º¯È­ÇÑ´Ù´Â »ç·Ê´Â ÀÌ¹Ì ¿©·¯ Â÷·Ê º¸°íµÈ ¹Ù ÀÖ´Ù¡±¸ç ¡°µû¶ó¼­ ÀϺκРDNA Ç¥±âÀÎÀÚ¸¦ »ìÆ캸±â º¸´Ù´Â Àüü À¯ÀüÀÚ(°Ô³ð)¿¡ ¾ó ¸¸Å­ º¯ÀÌ°¡ »ý°å´ÂÁö, ÃÊÀ§¼ºÃ¼ À¯ÀüÀÚ°Ë»ç¹ý°ú´Â ´Ù¸¥ Á¾·ùÀÇ DNAÇ¥Áö ÀÎÀÚ´Â ¾î¶²Áö, °¢ÀÎ º¯È­´Â ¾î¶»°Ô ÀϾ´ÂÁö Àü¹ÝÀûÀ¸·Î ¿¬±¸ÇØ ºÁ¾ß ÇÑ´Ù¡±°í ¸»Çß´Ù. ±×´Â 1¹ø Áٱ⼼Æ÷°¡ ó³à»ý½Äµµ ¾Æ´Ï°í, ¹è¾ÆÁٱ⼼Æ÷µµ ¾Æ´Ñ ¡®Á¦ 3ÀÇ ±«¼¼Æ÷'¶ó´Â ÁÖÀå°ú °ü·ÃÇØ ¡°DNA ¸¶Ä¿°¡ 40°³³ª ¸Â¾Ò´Âµ¥ Á¦ 3ÀÇ ¼¼Æ÷¶ó´Â ¸»ÀÌ ÅëÇÒ ¼ö°¡ ÀÖ³ª¡±¶ó¸ç ¡°Ã³³à»ý½Ä ¾Æ´Ï¸é Áٱ⼼Æ÷¡±°í ¸»Çß´Ù.

 

[Àü¹®°¡ B¾¾] : Áٱ⼼Æ÷ÀÇ ¹è¾çÀ» °è¼ÓÇÏ¸é ¾Ï ¼¼Æ÷ó·³ ¿°»öü ¼öÀÇ ÀÌ»óÀ̳ª, ¹ÌÅäÄܵ帮¾Æ ÀÌ»ó µîÀÌ ³ªÅ¸³­´Ù°í º¸°íµÈ ¹Ù ÀÖ´Ù¡±¸ç ¡°Áٱ⼼Æ÷ 1¹ø ¼¼Æ÷ÀÇ DNA¸¶Ä¿ÀÇ ÀϺΠºÒÀÏÄ¡´Â ¹è¾ç Áß¿¡ ÀÌÇüÁ¢ÇÕ ¼Ò½ÇÀ̳ª, Ç٠ġȯ ½ÃÀÇ À¯ÀüÁ¤º¸ º¯È­·Î ÀϾÀ» °¡´É¼ºµµ ÀÖ´Ù¡±°í ¸»Çß´Ù.

 

[¼­¿ï´ë Á¶»çÀ§ °ü°èÀÚ] : Á¶»çÀ§ º¸°í¼­´Â 1¹ø Áٱ⼼Æ÷ÀÇ DNAÁö¹®°ú ±¸Á¶¸¸À» ³õ°í °¡Àå °¡´É¼ºÀÌ ³ôÀº °á°ú¸¦ ÃßÁ¤ÇØ º» °ÍÀ̹ǷΠ100% ¸Â´Â ´ë´äÀº ´©±¸µµ ÇÒ ¼ö ¾ø´Ù¡±¸ç ¡°µû¶ó¼­ ¡®Ã³³à»ý½Ä °¡´É¼ºÀÌ ³ô´Ù'°í¸¸ ¾ð±ÞÇßÁö, ¡®Ã³³à»ý½Ä'À̶ó°í ´ÜÁ¤ÇÏÁö ¾ÊÀº °Í¡±À̶ó°í ¸»Çß´Ù. ±×´Â ¡°1¹ø Áٱ⼼Æ÷¿Í °ü·ÃÇØ °úÇÐÀûÀÎ ¿¬±¸´Â ÀÌÁ¦ ½ÃÀÛ¡±À̶ó¸ç ¡°¾ÕÀ¸·ÎÀÇ ³íÀïÀº °ËÂûÀ̳ª ¾ð·Ð º¸´Ù´Â °úÇÐÀڵ鿡°Ô ¸Ã±â´Â °Ô ³ªÀ» °Í °°´Ù¡±°í ¸»Çß´Ù.

7. ¿©ÀüÈ÷ ¹èÁ¦ÇÏÁö ¸øÇÑ ´Ü¼º»ý½Ä °¡´É¼º¿¡ ´ëÇÏ¿©

°Ô´Ù°¡ °¢ÀÎ°Ë»ç °á°ú°¡ ó³à»ý½Ä °¡´É¼ºÀ» ¿ÏÀüÇÏ°Ô ¹èÁ¦ÇÏÁö ¸øÇÏ´õ¶óµµ 2004³â ³í¹®ÀÇ ÁøÀ§¿Í´Â ¾Æ¹«·± »ó°üÀÌ ¾ø´Ù. ¿Ö³ÄÇϸé, 2005³â ³í¹®°ú ´Þ¸® 2004³â ³í¹®Àº ü¼¼Æ÷¿Í ³­ÀÚÀÇ °ø¿©ÀÚ°¡ µ¿ÀÏÇÑ ÀÚ°¡ÇÙÀ̽Ŀ¡ ÀÇÇÑ Áٱ⼼Æ÷ È®¸³¿¡ °üÇÑ °ÍÀ̾ú±â¿¡, ¾ÖÃʺÎÅÍ Ã³³à»ý½Ä °¡´É¼ºÀ» ¿Ïº®ÇÏ°Ô ¹èÁ¦ÇÒ ¼ö°¡ ¾ø¾ú°í, µû¶ó¼­ 2004³â ³í¹® ÃÊ·Ï¿¡ ÀÌ¹Ì "ó³à»ý½Ä ¹× µ¹¿¬º¯ÀÌÀÇ °¡´É¼ºÀ» ¹èÁ¦ÇÒ ¼ö´Â ¾ø´Ù"¶ó°í ¸í½ÃÇØ ³õ¾Ò±â ¶§¹®ÀÌ´Ù.

 

 

¡°¡¦¿ì¸®°¡ ó³à»ý½Ä °¡´É¼ºÀ» ¿Ïº®ÇÏ°Ô ¹èÁ¦ÇÒ ¼ö´Â ¾ø¾îµµ °¢Àΰ˻ç´Â Àΰ£ ¹è¾Æ Áٱ⼼Æ÷·ÎºÎÅÍ ³ª¿Â ü¼¼Æ÷º¹Á¦Áٱ⼼Æ÷ÀÓÀ» ÁöÁöÇÑ´Ù. (Although we cannot completely exclude the possibility that the cells had a parthernogenetic origin, imprintinganalyses support a SCNT origin of the derived human ES cells.)¡¦¡± 

 

ÀÌ »óÅ¿¡¼­ ³í¹®ÀÌ Åë°úµÇ¾ú´ø °ÍÀÌ´Ù. µû¶ó¼­ ¿©ÀüÈ÷ ¹èÁ¦µÇÁö ¸øÇÑ Ã³³à»ý½Ä °¡´É¼ºÀÌ ÀÖ´Ù°í ÇÏ´õ¶óµµ, ±× °¡´É¼ºÀº 2004³â ±× ¶§Ã³·³ ±×Àú °¡´É¼ºÀ¸·Î¸¸ Á¸ÀçÇÏ¸é µÈ´Ù. ¾ÖÃÊ¿¡ Ȳ ¹Ú»ç¿¡°Ô´Â NT-1B°¡ ü¼¼Æ÷º¹Á¦ Áٱ⼼Æ÷ÀÓÀ» ¿Ïº®ÇÏ°Ô Áõ¸íÇØ¾ß ÇÒ Àǹ«´Â ¾ø´Ù. ÀÌ¹Ì Ã³³à»ý½Ä °¡´É¼º¿¡µµ ºÒ±¸ÇÏ°í <»çÀ̾ð½º>¿¡ ³í¹®ÀÌ ½Ç·È´ø °ÍÀ̱⿡, Áö±Ý¿¡ ¿Í¼­ ³í¹®ÀÌ Ã¶È¸µÇ¾î¾ß ÇÒ ÀÌÀ¯°¡ ÀüÇô ¾ø´Â °ÍÀÌ´Ù.

µû¶ó¼­ ³­ÀÚ¿Í Ã¼¼¼Æ÷ °ø¿©ÀÚÀÇ DNA Á¤º¸¸¸ A¿¡¼­ B·Î ¹Ù²Ù°í, DNA°Ë»ç °á°ú¸¸ ¼öÁ¤Çß´õ¶ó¸é ¾î¼¸é 2004³â ³í¹®Àº öȸµÇÁö ¾Ê¾ÒÀ»Áöµµ ¸ð¸¥´Ù. ±×·¸±â¿¡ ¼­Á¶À§´Â ó³à»ý½Ä ¿©ºÎ¸¦ °¡¸®´Âµ¥ °¡Àå ±âº»ÀûÀÌ°í Áß¿äÇÑ °Ë»çÀÎ °¢Àΰ˻縦 ½Ç½ÃÇÏÁö ¾Ê°í ¼²ºÒ¸® ó³à»ý½ÄÀ̶ó°í õ¸íÇß´ø °Í¿¡ ´ëÇØ ¹Ýµå½Ã ÇظíÇØ¾ß ÇÑ´Ù.

7. ¼­Á¶À§¿¡ µå¸®´Â Áú¹®

#1 : ½ÇÇè¿¡ »ç¿ëµÈ ³­ÀÚ´Â ¼º¼÷ ³­ÀÚÀΰ¡, ¹Ì¼º¼÷ ³­ÀÚÀΰ¡?

#2 : ½ÇÇè¿¡ »ç¿ëµÈ ³­ÀÚ°¡ ¼º¼÷ ³­ÀÚ¶ó¸é °¢Àΰ˻ç·Î ó³à»ý½Ä ¿©ºÎ¸¦ ¾Ë ¼ö ÀÖ³ª?

#3 : Á¦1±Øüµµ ÀÌ¹Ì À¯ÀüÀÚ °¢ÀÎÀÌ ¿Ï·áµÈ »óÅ ¾Æ´Ñ°¡?

#4 : "¼±Çà ¿¬±¸"°¡ ¾ø´Ù´Â ¸»Àº ¾ç°è(ºÎ°è+¸ð°è)ÀÇ °¢ÀÎ À¯ÀüÀÚ°¡ ¸ðµÎ ¹ßÇöµÇ¾îµµ »ç°ÇÀ» ¹Ì±Ã¿¡ ºüÆ®¸®·Á´Â ¼öÀÛ ¾Æ´Ñ°¡?

 


VI. ³­ÀÚÀÇ °³¼ö¸¦ Ãà¼Ò º¸°íÇß´Ù?

- Ã¥ÀÌ½ÄµÈ ³­ÀÚ¿Í ÇÙÀ̽Ŀ¡ »ç¿ëµÈ ³­ÀÚµµ ±¸º°¸øÇÏ´Â ¼­Á¶À§ -

1. ÇÙÀÌ½ÄµÈ ³­ÀÚ¿Í ÇÙÀ̽Ŀ¡ »ç¿ëÇÑ ³­ÀÚ

¼­Á¶À§´Â º¸°í¼­¿¡¼­ ¡°2005³â »çÀ̾𽺠³í¹®¿¡ Ç¥±âµÈ ÇÙÀÌ½ÄµÈ ³­ÀÚ ¼ö´Â 185°³·Î ±â¼ú¡±µÇ¾î ÀÖÁö¸¸ ¡°½ÇÁ¦·Î »ç¿ëµÈ ³­ÀÚ´Â À̺¸´Ù ÈξÀ ¸¹Àº °ÍÀ¸·Î Á¶»çµÇ¾ú´Ù.¡±¶ó¸ç ¡°³í¹®Á¦Ãâ½ÃÁ¡±îÁöÀÇ »ç¿ëÇÑ ³­ÀÚ ¼ö´Â 273 °³¿´À¸³ª ³í¹®¿¡ 185 °³·Î Ãà¼ÒµÇ¾î º¸°íµÇ¾ú´Ù.¡±¶ó´Â °á·ÐÀ» ³»·È´Ù. Áï ³í¹®¿¡ ÇãÀ§ µ¥ÀÌÅÍ°¡ µé¾î°¬´Ù´Â °ÍÀÌ´Ù.

ÇÏÁö¸¸ ¡°ÇÙÀÌ½ÄµÈ ³­ÀÚ¡±¿Í ¡°ÇÙÀ̽Ŀ¡ »ç¿ëÇÑ ³­ÀÚ¡±´Â ´Ù¸£´Ù. ¿¹ÄÁ´ë ÇÙÀ» À̽ÄÇÏ·Á°í ÇßÀ¸³ª ³­ÀÚÇÙ Á¦°Å¿¡ ½ÇÆÐÇؼ­ ÇÙÀ̽ÄÀº ½ÃµµÁ¶Â÷ Çغ¸Áö ¸øÇÑ ³­ÀÚ°¡ ÀÖ´Ù¸é, ±× ³­ÀÚ´Â ¡°ÇÙÀ̽Ŀ¡ »ç¿ëÇÑ ³­ÀÚ¡±À̱ä ÇÏÁö¸¸ ¡°ÇÙÀÌ½ÄµÈ ³­ÀÚ¡±(injected oocytes)´Â ¾Æ´Ï´Ù. µû¶ó¼­ ½ÇÁ¦·Î 185°³ÀÇ ³­ÀÚ°¡ ÇÙÀ̽ĵǾú±â¿¡ ÇÙÀÌ½ÄµÈ ³­ÀÚ°¡ 185°³¶ó°í º¸°íÇÑ 2005³â ³í¹®Àº ³­ÀÚÀÇ °³¼ö¿Í °ü·ÃÇؼ­´Â ±× ¾î¶² Ãà¼Ò º¸°íµµ ¾ø¾ú´Ù.

 

 

¼­Á¶À§ ¿ª½Ã ¡°ÇÙÀÌ½ÄµÈ ³­ÀÚ¡±¿Í ¡°ÇÙÀ̽Ŀ¡ »ç¿ëÇÑ ³­ÀÚ¡±°¡ ´Ù¸£´Ù´Â °ÍÀ» Àß ¾Ë°í ÀÖ¾ú´Ù.

 

 

¡°¡¦2005³â »çÀ̾𽺠³í¹®¿¡ Ç¥±âµÈ ÇÙÀÌ½ÄµÈ ³­ÀÚ ¼ö´Â 185 °³·Î ±â¼úµÇ¾î ÀÖ´Ù. ¡¦µ¥ÀÌÅÍÀÇ Ãëµæ±â°£ (2004³â 9¿ù 17ÀϺÎÅÍ 2005³â 2¿ù 7ÀÏ)¿¡ Á¦°ø¹ÞÀº ³­ÀÚ ¼ö´Â 346°³, ÇÙÀ̽Ŀ¡ »ç¿ëÇÑ ³­ÀÚ ¼ö´Â 273°³ÀÌ´Ù. ¡¦³í¹®Á¦Ãâ½ÃÁ¡±îÁöÀÇ »ç¿ëÇÑ ³­ÀÚ ¼ö´Â 273 °³¿´À¸³ª ³í¹®¿¡ 185 °³·Î Ãà¼ÒµÇ¾î º¸°íµÇ¾ú´Ù.¡¦¡± (º¸°í¼­, p. 9)

 

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¡°¡¦¹è¹ÝÆ÷ Çü¼º±îÁöÀÇ ¼º°ø·üÀº ³í¹®¿¡ Ç¥±âµÈ ³­ÀÚ ¹× ¹è¹ÝÆ÷¼ö¿¡ ÀÇÇϸé 16.76%ÀÌ´Ù. ¡¦±×·¯³ª Á¶»çÀ§¿¡¼­ ½ÇÇè±â·Ï¿¡ ±Ù°ÅÇÏ¿© »êÃâÇÏ¿´À» ¶§´Â 14.65%ÀÌ´Ù.¡¦ »ç¿ëµÈ ³­ÀÚ °³¼ö°¡ Ãà¼ÒµÇ¾ú±â ¶§¹®¿¡ ³í¹®¿¡ ±â¼úµÈ ¹è¹ÝÆ÷ Çü¼º ¼º°ø·üÀº °úÀåµÇ¾ú´Ù.¡¦ »ç¿ëµÈ ³­ÀÚ °³¼ö°¡ Ãà¼ÒµÇ¾ú±â ¶§¹®¿¡ ³í¹®¿¡ ±â¼úµÈ ¼¼Æ÷ÁÖ È®¸³ ¼º°ø·üµµ °úÀåµÇ¾ú´Ù. ±×·¯³ª ÇöÀç ¼¼Æ÷ÁÖ°¡ ¼ö¸³µÇ¾ú´Ù´Â Áõ°Å°¡ ¾øÀ¸¹Ç·Î ¼¼Æ÷ÁÖ È®¸³ ¼º°ø·üÀ» 0%ÀÌ´Ù.¡¦¡± (º¸°í¼­, pp. 10~11)

 

±×·¸´Ù¸é ¡°ÇÙÀ̽Ŀ¡ »ç¿ëÇÑ ³­ÀÚ¡± 273°³´Â ¾î¶»°Ô Áý°èµÈ °ÍÀϱî?

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