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  • Title: [Determination of the polymorphism of DXS102 locus and its application in gene diagnosis].
    Author: Bao Y, Lu D, Shi Q, Xu H, Qiu X, Xue J.
    Journal: Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 1998 Feb 10; 15(1):27-30. PubMed ID: 9456368.
    Abstract:
    OBJECTIVE: To determine the polymorphism of DXS102 and use it in gene diagnosis in hemophilia B. METHODS: Amp-FLP and linkage analysis on 234 chromosomes. RESULTS: Eight alleles were found at DXS102 locus. The number of AC dinucleotide repeats ranged from 13 to 21. And the observed heterozygosity, calculated heterozygosity and polymorphism information content(PIC) were 0.87, 0.80 and 0.80, respectively. It was noted that the difference of the allele frequencies of DXS102 in Chinese and European populations was significant. By using the linkage analysis of the DXS102 locus, a family with a hemophilia B patient receiving gene therapy in 1994 was analyzed and a carrier in that family was then detected. CONCLUSION: The polymorphism of DXS102 locus reveals significant difference between Chinese and European populations. DXS102 locus can be used as a promising marker for gene diagnosis in hemophilia B family.
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