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《天津医科大学学报》[ISSN:1006-8147/CN:12-1259/R]

卷:

21卷

期数:

2015年03期

页码:

22-24

栏目:

基础医学

出版日期:

2015-05-20

文章信息/Info

Title:

Research on genetic polymorphisms of DYS19，DYS390 and DYS393 STR loci in Han population in Tianjin

文章编号:

1006-8147（2015）0-0022-03

作者:

琚 端¹ ; 史云芳¹;  李晓洲¹ ; 李 岩¹;  辛 力²;  姚静怡²;  谢晓媛²;  刘殿芹¹ ; 杨晓惠¹ ;  周佳妍³; 张 颖¹

(1．天津医科大学总医院妇产科，天津300052；2.天津市妇女儿童保健中心，天津300074；3. 天津医科大学影像学院，天津 300203)

Author(s):

JU Duan¹;  SHI Yun-fang¹;  LI Xiao-zhou¹;  LI Yan¹;  Xin Li²; YAO Jing-yi²;  XIE Xiao-yuan²;  LIU Dian-qin¹;  YANG Xiao-hui¹;   ZHOU Jia-yan³;  ZHANG Ying¹

(1.Department of Obstetrics and Gynecology, General Hospital ,Tianjin Medical University, Tianjin 300052,China ;2. Women and Children Health Care Center of Tianjin, , Tianjin 300074,China;3. Department of  Medical Imaging, Tianjin Medical University, Tianjin 300203,China )

关键词:

Y染色体;  STR基因座;  遗传多态性; 天津汉族男性

Keywords:

chromosome Y;  STR loci ;  genetic polymorphism ;  Tianjin Males of Han population

分类号:

R394

DOI:

-

文献标志码:

A

摘要:

目的：研究天津市汉族人群DYS19、DYS390和DYS393 3个短串联重复序列（STR）基因座遗传多态性，获得该地区相关群体遗传学数据，为用STR基因座进行染色体非整倍体及基因异常的诊断与产前诊断提供实验依据。方法：利用定量荧光PCR（QF-PCR）对天津地区无血缘关系的200名男性Y染色体3个STR基因座进行扩增、毛细管电泳检测扩增产物、ABI3730全自动DNA遗传分析仪进行结果分析，3个基因座分别选择两个片段测序、命名。统计各基因座基因频率，计算基因差异性（GD）及单倍型多样性（HD）。结果：DYS19、DYS390和DYS393 3个STR基因座分别检出5、6、6个等位基因，基因频率分别分布在0.070 0~0.377 5，0.005 0~0.390 0及0.005 0~0.540 0之间；GD值分别为0.743、0.731及0.634，HD为0.706 8。结论：天津汉族人群3个Y-STR基因座多态性高，是Y染色体良好的遗传标记。

Abstract:

Objective：To Study the genetic polymorphism of the three STR loci DYS19, DYS390 and DYS393 of Han population in Tianjin, China, to get the population genetic data and to provide the experimental basis for the research on population genetics, gene diagnosis and prenatal gene diagnosis of chromosomal aneuploidy and genetic abnormality. Methods ： QF-PCR and capillary electrophoresis were applied to 200 unrelated individuals of Tianjin Han population of China. The relevant data were analyzed by ABI 3730. Gene frequency, gene diversity and haplotype diversity were counted. Results： Five, five and Six alleles were found in DYS19, DYS390 and DYS393 locus, respectively. The gene frequencies were between 0.070 0 ~ 0.377 5, 0.005 0~0.390 0 and 0.005 0~0.540 0 and the gene diversities were 0.743, 0.731 and 0.634. The haplotype diversity was 0.7068. Conclusion： DYS19, DYS390 and DYS393 locus are highly polymorphic in Tianjin Han population of China, and are proper genetic markers on chromosome Y. 

参考文献/References:

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相似文献/References:

[1]琚 端,史云芳,李晓洲,等. 天津汉族群体DYS19、DYS390和DYS393 STR基因座遗传多态性的研究[J].天津医科大学学报,2015,21(01):22.
　JU Duan,SHI Yun-fang,LI Xiao-zhou,et al. Research on genetic polymorphisms of DYS19，DYS390 and DYS393 STR loci in Han population in Tianjin[J].Journal of Tianjin Medical University,2015,21(03):22.

备注/Memo

备注/Memo:

基金项目 天津市科技计划项目基金资助（11ZCGYSY02500）

作者简介 琚端(1987-)，女，研究实习员，硕士，研究方向：优生与遗传学；通信作者：张颖，E-mail：tjzyyzy@aliyun.com。

常用功能

更新日期/Last Update: 2015-01-22