Polymorphism of DXS102 locus in Chinese population and its application to gene diagnosis in hemophilia B family

Yun Bao, Daru Lu, Hongyan Xu, Qian Shi, Xinfang Qiu, Jinglun Xue

Research output: Contribution to journalArticle

Abstract

Objective To establish the polymorphism of DXS102 locus from Xq26.3-27.1 in Chinese population for the gene diagnosis in Hemophilia B family. Methods DNA was extracted from blood samples obtained from Shanghai unrelated volunteer donors with phenol-chloroform method. A total of 23 × chromosomes (154 from females, 80 from males) were studied. A hemophilia B family in which a hemophilia B patient has received gene therapy was analyzed. The polymorphism of DXS102 locus in Chinese population was determined with amplified fragment length polymorphisms assay (Amp-FLP), denaturing polyacrylamide gel electrophoresis, silver stain detection. Short tandem repeats (STRs) linkage analysis was used to conduct gene diagnosis in hemophilia B family. Results Eight alleles were found at DXS102 locus, of which two alleles were first reported. The repeated number of AC dinucleotide ranges from 13 to 21. And the values of the observed heterozygosity, calculated heterozygosity and polymorphism information content(PIC) were 0.87, 0.80, 0.80 respectively. It was also found 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 meanwhile a carrier in that family was then detected. Conclusions 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.

Original languageEnglish (US)
Pages (from-to)527-530
Number of pages4
JournalChinese Medical Journal
Volume111
Issue number6
StatePublished - Dec 1 1998
Externally publishedYes

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Hemophilia B
Population
Genes
Genetic Therapy
Alleles
Unrelated Donors
Chloroform
Phenol
Silver
Gene Frequency
Microsatellite Repeats
Polyacrylamide Gel Electrophoresis
Volunteers
Coloring Agents
Chromosomes
DNA

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Polymorphism of DXS102 locus in Chinese population and its application to gene diagnosis in hemophilia B family. / Bao, Yun; Lu, Daru; Xu, Hongyan; Shi, Qian; Qiu, Xinfang; Xue, Jinglun.

In: Chinese Medical Journal, Vol. 111, No. 6, 01.12.1998, p. 527-530.

Research output: Contribution to journalArticle

Bao, Yun ; Lu, Daru ; Xu, Hongyan ; Shi, Qian ; Qiu, Xinfang ; Xue, Jinglun. / Polymorphism of DXS102 locus in Chinese population and its application to gene diagnosis in hemophilia B family. In: Chinese Medical Journal. 1998 ; Vol. 111, No. 6. pp. 527-530.
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abstract = "Objective To establish the polymorphism of DXS102 locus from Xq26.3-27.1 in Chinese population for the gene diagnosis in Hemophilia B family. Methods DNA was extracted from blood samples obtained from Shanghai unrelated volunteer donors with phenol-chloroform method. A total of 23 × chromosomes (154 from females, 80 from males) were studied. A hemophilia B family in which a hemophilia B patient has received gene therapy was analyzed. The polymorphism of DXS102 locus in Chinese population was determined with amplified fragment length polymorphisms assay (Amp-FLP), denaturing polyacrylamide gel electrophoresis, silver stain detection. Short tandem repeats (STRs) linkage analysis was used to conduct gene diagnosis in hemophilia B family. Results Eight alleles were found at DXS102 locus, of which two alleles were first reported. The repeated number of AC dinucleotide ranges from 13 to 21. And the values of the observed heterozygosity, calculated heterozygosity and polymorphism information content(PIC) were 0.87, 0.80, 0.80 respectively. It was also found 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 meanwhile a carrier in that family was then detected. Conclusions 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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