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Çѱ¹ÀÎ Ç÷¿ìº´BÀÇ ºÐÀÚÀ¯ÀüÇÐÀû Áø´Ü¿¡ ÀÖ¾î HhaI ºÎÀ§ ¹× MseI ºÎÀ§ DNA Polymorphism ¾ç»ó ºÐ¼®ÀÇ À¯¿ë¼º Usefulness of HhaI and MseI DNA Polymorphism of Factor ¥¸ Gene in the Molecular Genetic Diagnosis of Hemophilia B in Korean Population

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Abstract

º» ¿¬±¸´Â ¼­·Î ¿¬°üÀÌ ¾ø´Â 45¸íÀÇ Á¤»ó Çѱ¹Àεé(23¸íÀÇ ¿©¼º ¹× 22¸íÀÇ ³²¼º)°ú Ç÷¿ìº´ B ȯÀÚ °¡°èÀÇ ¸ðÄ£°ú ºÎÄ£ 13¸íÀ» ´ë»óÀ¸·Î PCRÀ» ÀÌ¿ëÇÏ¿© Ç÷¾×ÀÀ°íÀÎÀÚ ¥¸ À¯ÀüÀÚÀÇ Hhal ºÎÀ§ ¹× Msel ºÎÀ§ÀÇ DNA polymorphism ¾ç»óÀ» Á¶»ç ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú Hhal ºÎÀ§ÀÎ °æ¿ì 25.5%ÀÇ ´ÙÇü¼º Á¤º¸Á¦°øÀ², Msel ºÎÀ§ÀÇ °æ¿ì 49.7%ÀÇ ´ÙÇü¼º Á¤º¸Á¦°øÀ²À» º¸¿´´Ù. °á·ÐÀûÀ¸·Î ÀÌ °á°ú´Â Çѱ¹ÀÎ Ç÷¿ìº´ B ȯÀÚÀÇ ºÐÀÚÀ¯ÀüÇÐÀû Áø´Ü¿¡ ÀÖ¾î Hhal ºÎÀ§ ¹× Msel ºÎÀ§ DNA polymorphism ¾ç»ó ºÐ¼®ÀÌ À¯¿ëÇÔÀ» ÀǹÌÇÑ´Ù.
Objectives: Hemophilia B has been known to result from more than 500 kinds of mutations. And it is difficult to find out a mutation specific for each family. Therefore, linkage analysis of DNA polymorphism within or near the factor IX gene has been frequently used in the clinical practice for molecular genetic diagnosis of hemophilia B. But the ethnic variation makes more difficult to apply useful markers in Caucasian population. To investigate the usefulness of the MseI and Hhal polymorphism in Korean population, we analysed the MseI and HhaI polymorphism.
Methods: Forty-five normal Korean and thirteen parents of the hemophilia B patients, using PCR and restriction enzyme analysis.
Results: The heterozygosity rate of MseI polymorphism was 49.7% and that of HhaI polymorphism was 25.5%.
Conclusion: These data indicated that PCR-based analysis of MseI and Hhal polymorphism of factor IX was useful .

Hemophilia B;Polymerase Chain Reaction;MseI;HhaI;RFLP(Restriction Fragment Length Polymorphism);Carrier detection;Prenatal diagnosis

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