The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Changes of proliferation, apoptosis and related factors of spermatogenic cells in the testis of aging rats
Author(s): 
Pages: 714-717
Year: Issue:  6
Journal: CHINESE JOURNAL OF ANATOMY

Keyword:  衰老生精细胞增殖凋亡端粒酶p53;
Abstract: 目的:观察衰老大鼠睾丸生精细胞增殖、凋亡及相关因素的变化.方法:D-半乳糖连续腹腔注射制作亚急性衰老的大鼠模型.SP免疫组织化学法观察睾丸生精细胞衰老过程中增殖细胞核抗原(PCNA)和端粒酶的表达,TUNEL法观察生精细胞的凋亡,原位杂交、Western印迹分析观察生精细胞p53基因的表达.结果:与正常大鼠相比,衰老大鼠睾丸PCNA阳性细胞率显著下降,端粒酶阳性细胞数明显减少,凋亡管数和凋亡阳性细胞率显著升高,p53mRNA阳性细胞率和p53蛋白含量均有所升高.结论:衰老大鼠睾丸生精细胞增殖能力下降、凋亡增多,睾丸机能减退.
Related Articles
loading...