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Characterization of microsatellite markers covering chromosome 1 in the Korean and Japanese populations

Korean Journal of Orthodontics 2004³â 34±Ç 6È£ p.537 ~ 543
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ÀÌÀ¯Áø/Lee YJ ¹Ú¼öº´/Park SB

Abstract

Microsatellite marker´Â À¯Àü¿¬°üºÐ¼®À» À§ÇÑ ¸Å¿ì À¯¿ëÇÑ À¯ÀüÇ¥ÁöÀÌ´Ù. ±×·¯³ª ´ëºÎºÐÀÇ markerµéÀº ¼­¾çÀÎÀÇ Á¤º¸¸¦ ÀÌ¿ëÇÏ°í ÀÖÀ¸¹Ç·Î ´Ù¸¥ Á¾Á·¿¡¼­ »ç¿ëÇÒ ¶§´Â Á¾Á·°£¿¡ Á¸ÀçÇÒ ¼ö ÀÖ´Â À¯Àü º¯ÀÌÀÇ ÇöÀúÇÑ Â÷À̸¦ °ËÁõÇØ¾ß ÇÑ´Ù. Çѱ¹Àΰú ÀϺ»ÀÎ Áý´Ü¿¡¼­ Á¾Á·°£ À¯Àü º¯À̸¦ Á¶»çÇϱâ À§ÇÏ¿©, °¢°¢ 96¸íÀÇ ºñ Ç÷¿¬°ü°èÀÇ Çѱ¹Àΰú ÀϺ»ÀÎ °³Ã¼µé¿¡¼­ DNA¸¦ äÃëÇÏ¿´´Ù. ±×¸®°ímicrosateliite set(ABI PRISM Linkage Mapping Set-HD5, Applied Biosystems, Foster City, CA, USA)À» ÀÌ¿ëÇÏ¿© 1¹ø Àΰ£ ¿°»öü Àü ºÎÀ§¿¡ °ÉÃÄ 51°³ÀÇ microsatellite markerµéÀ» ¹è¿­ÇÏ°í ºÎÂøµÈ markerµéÀÇ À§Ä¡¸¦ ºÐ¼®ÇÏ¿© ´ë¸³À¯ÀüÀÚ ºóµµ¿Í ÀÌÇüÁú¼ºÀ» °áÁ¤ÇÏ¿´´Ù. ±× °á°ú, Çѱ¹Àΰú ¼­¾çÀÎ Áý´Ü »çÀÌ¿¡´Â ÇöÀúÇÑ Â÷À̸¦ º¸¿´À¸³ª Çѱ¹Àΰú ÀϺ»ÀÎ Áý´Ü »çÀÌ¿¡¼­´Â ¸Å¿ì À¯»çÇÏ¿´´Ù.
º» ¿¬±¸ÀÇ °á°ú´Â À¯Àü ¿¬°ü ¿¬±¸¿¡ ¾Õ¼­ ÀϹÝÀûÀ¸·Î »ó¿ëµÇ´Â microsatellite marker¿¡ °üÇÑ ±¤¹üÀ§ÇÑ °ËÁõÀ» ¹Ýµå½Ã ½ÃÇàÇÏ¿©¾ß ÇÑ´Ù´Â °ÍÀ» ³ªÅ¸³½´Ù. ¶ÇÇÑ Çѱ¹Àΰú ÀϺ»ÀÎ Áý´Ü »çÀÌ¿¡¼­ À¯»çÇÏ°Ô ³ªÅ¸³­ ´ë¸³À¯ÀüÀÚ ºóµµ¿Í ÀÌÇüÁú¼ºÀº µÎ ¹ÎÁ·°£ÀÇ µ¿Áú¼ºÀÌ ³ô´Ù´Â °ÍÀ» ÀǹÌÇϹǷΠµÎ ¹ÎÁ·À» ´ë»óÀ¸·Î ÇÑ 1¹ø Àΰ£¿°»öü¿Í °ü·ÃµÈ À¯Àü ÁúȯÀÇ À¯Àü ¿¬°ü ¿¬±¸¸¦ ½ÃÇàÇÒ ¶§ µ¿ÀÏÇÑ microsatellite markerÀÇ ÀÌ¿ë °¡´É¼ºÀ» Á¦½ÃÇÏ¿´´Ù.

Microsatellite markers are considered to be very promising genetic markers for genetic linkage analysis. The majority of the markers are as informative as in Caucasians but there are significant ethnic differences in the genetic variations. In order to investigate the genetic variations in the Korean and Japanese populations and their ethnic differences, 51 microsatellite marker loci spanning the whole human chromosome 1 were arranged from a commercially available set (ABI PRISM Linkage Mapping Set-HD5, Applied Biosystems, Foster City, CA, USA), and then determined the allelic frequencies and heterozygosities for these marker loci in the 96 unrelated Korean subjects and 96 unrelated Japanese subjects. Of all 51 markers tested, significant differences were observed when microsatellite allele frequency pattern of Korean was compared with those of Caucasian, while this pattern was highly similar between Korean and Japanese populations. Our data indicate that an extensive verification of public microsatellite markers in a particular population study should be undertaken prior to their linkage studies. Moreover, this information should facilitate genetic linkage studies of various hereditary diseases, especially in the Koreans and Japanese.

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Korean;Japanese;Microsatellite markers;Chromosome 1;Çѱ¹ÀÎ;ÀϺ»ÀÎ;1¹ø ¿°»öü

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