Augmentation of protein kinase C activity and liver cell proliferation in lead nitrate-treated rats.

doi:10.1080/15216549700204141

中山醫學大學機構典藏 CSMUIR > 醫學院 > 生化微生物免疫研究所 > 期刊論文 > Item 310902500/10850

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题名:	Augmentation of protein kinase C activity and liver cell proliferation in lead nitrate-treated rats.
作者:	Liu, JY Lin, JK Liu, CC Chen, WK Liu, CP Wang, CJ Yen, CC Hsieh, YS
贡献者:	中山醫學大學
日期:	1997
上传时间:	2015-05-15T08:42:42Z (UTC)
ISSN:	1521-6543
摘要:	It is shown that lead alters calcium mediated cellular processes in several biological systems. Calcium enhances the activity of protein kinase C (PKC) which takes part in eliciting cell mitosis. In this study, the effects of lead nitrate on the activity of PKC enzyme were investigated in rat liver. The PKC activity was determined at 12, 24, 48, 72, 120, 168 hours after treatment with a single dose of lead nitrate in male Wistar rats. The results showed that the specific PKC activity of the purified particulate fraction was increased and reached a maximum at 24 hour, and lasted for 48 hours. This augmented activity of PKC was parallel with the increase of the lead level in the purified particulate fraction, although the protein levels of PKC alpha, PKC delta and PKC zeta were unchanged. Moreover, the frequency of mitotic cells also exhibited a significant increase, and like PKC activity, reached its maximum at 24 hour with accompany signs of liver enlargement. The results suggest that the PKC activation may be involved in promoting liver cell proliferation in lead nitrate-treated rats.
URI:	https://ir.csmu.edu.tw:8080/ir/handle/310902500/10850 http://dx.doi.org/10.1080/15216549700204141
關聯:	Biochem Mol Biol Int. 1997 Oct;43(2):355-64.
显示于类别:	[生化微生物免疫研究所] 期刊論文

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