Molecular microdeletion analysis of infertile men with karyotypic Y chromosome abnormalities

被引:20
|
作者
Pan, Yuan
Zhang, Hong-guo
Xi, Qi
Zhang, Han
Wang, Rui-xue
Li, Lei-lei
Liu, Rui-zhi [1 ,2 ]
机构
[1] Jilin Univ, Ctr Reprod Med, 71 Xinmin St, Changchun 130021, Jilin, Peoples R China
[2] Jilin Univ, Hosp 1, Ctr Prenatal Diag, 71 Xinmin St, Changchun 130021, Jilin, Peoples R China
关键词
Male infertility; Y chromosome; karyotype; AZF microdeletion; oligozoospermia; azoospermia; CLINICAL CHARACTERISTICS; AZOOSPERMIC PATIENTS; DELETION; PATIENT; SPERM; OLIGOZOOSPERMIA; TRANSLOCATION; MOSAICISM; QUALITY; AZFB;
D O I
10.1177/0300060517719394
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Objectives To investigate azoospermic factor (AZF) microdeletions in infertile men from northeastern China with karyotypic Y chromosome abnormalities. Methods G-banding of metaphase chromosomes and karyotype analysis were performed in all infertile male patients. Genomic DNA was isolated and used to analyze classical AZF microdeletions by PCR. The regions and sequence-tagged sites of AZFa (SY86, SY84), AZFb (SY127, SY134, SY143), and AZFc (SY152, SY254, SY255, SY157) were sequenced by multiplex PCR. Results A total of 190 Y chromosome abnormality carriers were found, of whom 35 had AZF microdeletions. These were most common in 46,X,Yqh- patients, followed by 45,X/46,XY patients. Most microdeletions were detected in the AZFb+c region, including 48.57% of all AZF microdeletion cases. AZF partial deletions were also seen in these patients. Overall, AZF microdeletions were detected in 38.5% Y chromosome abnormality carriers, and most were observed in 46,X,Yqh- individuals. Loss of SY152 was seen in all 35 patients, with SY254/SY255 detected in 34 of 35 patients. Conclusions AZF microdeletions were detected in 38.5% of Y chromosome abnormality carriers. This indicates that AZF microdeletion screening is advisable for individuals with karyotypic Y chromosome abnormalities.
引用
收藏
页码:307 / 315
页数:9
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