Page 9 - 南京医科大学自然版
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第45卷第3期 林法喜,王家雄,闫 静,等. 江苏地区3 591例捐精者染色体核型分析结果与意义[J].
2025年3月 南京医科大学学报(自然科学版),2025,45(3):295-300,326 ·297 ·
表1 3 591例捐精志愿者中62例异常患者详细核型缺陷
Table 1 Detailed karyotype defects in 62 abnormal patients among 3 591 sperm donor volunteers
Cases Percentage of total
Karyotype Note
(n) volunteers(%)
Numerical anomaly
47,XY,+mar 1 0.03
Translocation 0.17
46,XY,t(7;14)(p22;q22) Translocation of chromosome 1,14 1
46,XY,t(7;13)(p11;q12) Translocation of chromosome7,13 1
46,XY,t(12;21)(p11;p11) Translocation of chromosome12,21 1
46,XY,t(3;9)(q27;q22) Translocation of chromosome3,9 1
46,XY,t(1;3)(p22;p21) Translocation of chromosome1,3 1
46,XY,t(5;7)(q22;q34) Translocation of chromosome5,7 1
Secondary constriction area lengthening 0.36
46,XY,1qh+ Secondary constriction area lengthening of chromosome 1 8
46,XY,16qh+ Secondary constriction area lengthening of chromosome 16 3
46,XY,21ph+ Secondary constriction area lengthening of chromosome 21 1
46,XY,Ygh+ Secondary constriction area lengthening of chromosome Y 1
Chromosome short arm lengthening 0.19
46,XY,Yp+ Short arm lengthening of chromosome Y 1
46,XY,21p+ Short arm lengthening of chromosome 21 4
46,XY,22p+ Short arm lengthening of chromosome 22 1
46,XY,15p+ Short arm lengthening of chromosome 15 1
Chromosomal centromere enlargement
46,XY,22cenh+ Centromere enlargement of chromosome 22 1 0.03
Extension of satellite 0.08
46,XY,22pstk+ Extension of satellite in chromosome 22 1
46,XY,14pstk+ Extension of satellite in chromosome 14 1
46,XY,15pstk+ Extension of satellite in chromosome 15 1
Dual satellites
46,XY,15pss Dual satellites of chromosome 15 1 0.03
Pericentic inversion 0.84
46,XY,inv(9)(p12;q13) Pericentic inversion of chromosome 9 21
46,XY,inv(9)(p12;q12) Pericentic inversion of chromosome 9 1
46,XY,inv(9)(p12;q21) Pericentic inversion of chromosome 9 6
46,XY,inv(Y)(q11;q12) Pericentic inversion of chromosome Y 1
46,XY,inv(10)(q21;q22) Pericentic inversion of chromosome 10 1
Total 62 1.73
后精子浓度≥40×10 /mL、PR≥40%的志愿者进行染色 存在的特定形式,所以其结构可以初步反映是否存
6
体常规筛查(表2)。以上结果表明,本研究所统计的 在严重遗传缺陷。染色体核型检测是不孕不育患
染色体异常不会导致精液质量和精子形态异常。 者必要的评估项目,因为染色体异常是造成遗传缺
陷的最常见原因,也是导致生殖问题、自然流产和
3 讨 论
[7]
胎儿死亡的重要原因 。不育男性的染色体异常发
染色体是细胞在有丝分裂或减数分裂时 DNA 生 率 为 1.1% ~7.2% ,而 不 育 女 性 的 发 生 率 约 为

