顺铂对卵巢癌SKOV3细胞水通道蛋白5和核转录因子表达的影响
首发时间:2008-10-22
摘要:应用噻唑蓝法、蛋白质印迹和RT-PCR法研究顺铂对卵巢癌SKOV3细胞水通道蛋白5(AQP5)、核转录因子NF-B p65以及IB表达的影响。结果显示顺铂浓度增加,SKOV3细胞AQP5、胞浆和胞核NF-B p65以及胞核IB表达均逐渐减少(P=0.001,0.000,0.000,0.000);10 g/ml顺铂与SKOV3细胞温育6 ~12 h,AQP5、胞浆和胞核NF-B p65以及胞浆IB表达均明显增加达峰值,24 h后急剧下降到低值,并维持至72 h后(P=0.000,0.000,0.000,0.000,0.000)。随着核转录因子阻断剂PDTC浓度增加、作用时间延长, AQP5表达及mRNA量均逐渐减少(P=0.000,0.000);顺铂对细胞抑制率与AQP5呈负相关(r=-0.598;P=0.009),PDTC对细胞抑制率与AQP5和mRNA呈负相关(r=-0.983,-0.905;P=0.000,0.000)。AQP5表达与NF-B p65 和IB呈正相关(r=0.894,0.857;P=0.000,0.000)。提示AQP5与SKOV3细胞生长有关,顺铂下调AQP5表达,其过程可能受NF-B调控,为AQP5成为卵巢癌治疗的靶目标提供了一定的理论基础。
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Cisplatin on the Effect of Aquaporin 5 and Nuclear Factors Expression of SKOV3
Abstract:To investigate cisplatin on effect of aquaporin 5 (AQP5) expression of SKOV3 and regulation of PDTC that is NF-kB inhibitor by MTT, Western blot and RT-PCR. Following the concentration of cisplatin increasing, the expression of AQP5 protein (P=0.001) as well as NF-kB p65 in cytoplasm and karyon and IkBa in karyon
Keywords: ovarian carcinoma aquaporin 5 NF-kB cisplatin
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No.2505531918112246****
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