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增殖细胞核抗原和细胞周期依赖性激酶抑制剂p21WAF1/CIP1蛋白在大鼠肾上腺细胞体外原代培养中的表达及其意义
引用本文:何上进,张孝斌,张杰,金化民. 增殖细胞核抗原和细胞周期依赖性激酶抑制剂p21WAF1/CIP1蛋白在大鼠肾上腺细胞体外原代培养中的表达及其意义[J]. 汕头大学医学院学报, 2009, 22(2): 92-94,F0004
作者姓名:何上进  张孝斌  张杰  金化民
作者单位:1. 汕头大学医学院第一附属医院泌尿外科,广东,汕头,515041
2. 武汉大学人民医院泌尿外科,湖北,武汉,430060
摘    要:目的:探讨增殖细胞核抗原(PCNA)和细胞周期依赖性激酶抑制剂p21 WAF1/CIP1蛋白在大鼠肾上腺细胞体外原代培养中的表达及其意义。方法:用SP免疫组化法检测大鼠肾上腺细胞培养第3、5、7、9、11 d的PCNA和p21蛋白表达强度。结果:在肾上腺细胞体外培养中,第3 d((18±3)%)、5 d((38±5)%)、7 d((70±65)%)PCNA蛋白表达逐渐增强,第9((50±3)%)、11 d((39±2)%)与第7 d比减弱(P〈0.05)。第3 d((43±5)%)、5 d((35±2)%)、7 d((21±3)%)p21 WAF1/CIP1蛋白表达逐渐减弱,第9 d((39±3)%)、11 d((52±4)%)与第7 d比重新增强(P〈0.05)。结论:肾上腺细胞体外原代培养在第7 d PCNA蛋白表达最强,p21 WAF1/CIP1蛋白表达最弱,肾上腺细胞增殖也最旺盛。

关 键 词:增殖细胞核抗原  p21  WAF1/CIP1蛋白  肾上腺  细胞培养  Wistar大鼠

Expression and Significance of Proliferating Cell Nuclear Antigen and p21WAF1/CIP1 in Rats Adrenocortical Cell Culture in vitro
HE Shang-jin,ZHANG Xiao-bin,ZHANG Jie,JIN Hua-min. Expression and Significance of Proliferating Cell Nuclear Antigen and p21WAF1/CIP1 in Rats Adrenocortical Cell Culture in vitro[J]. Journal of Shantou University Medical College, 2009, 22(2): 92-94,F0004
Authors:HE Shang-jin  ZHANG Xiao-bin  ZHANG Jie  JIN Hua-min
Affiliation:HE Shang-jin, ZHANG Xiao-bin, ZHANG Jie, JIN Hua-min (1DepaamentofUrology, The First Affiliated Hospital, Shantou University Medical College , Shantou 515041, China;2 Department of Urology, People's Hospital of Wuhan University, Wuhan 430060, China)
Abstract:Objective: To explore expression and significance of proliferating cell nuclear antigen(PCNA)and cyclin dependent kinase inhibitor p21WAF1/CIP1 in rots adrenocortical cell culture in vitro. Methods: Immunohistochemical method was adopted to examine the expressions of PCNA and p21WAFI/CIP1 in cell culture at d3, d5, d7, d9 and dll. Results: In adrenoeortical cell culture /n vitro, the expression of PCNA was gradually enhanced at d3((18 ± 3)%), d5((38 ± 5)%)and d7((70 ± 65)%), but were gradually decreased at d9((50 ± 3) %)and d11((39 ± 2)%) ( P 〈 0.05), and the expression of p21WAF1/CIP1 was decreased at d3( (43 ± 5) % ), d5( (35 ± 2) % )and 7d( (21 ± 3)%), but were gradually enhanced at d9((39 ± 3)%)or d11((52±4)%)(P 〈0.05). Conclusion: The proliferation of adrenoeortical cells is the most vigorous in vitro at d7.
Keywords:proliferating cell nuclear antigen   p21WAF1/CIP1   adrenal gland   cell culture   rat
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