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Ѧ½ð࣬½ªÖ¾¸Õ£¬Ñî¹â£¬ÀîÈñ£¬ÒüάÌï. ¸ÆÍ¨µÀ×èÖͼÁ¶ÔÌåÍâÅàÑøÉñ¾­ñ£ºÛ³ÉÏËάϸ°ûÔöÖ³¼°½ºÔ­·ÖÃÚµÄÓ°Ïì [J].Öйú×éÖ¯¹¤³ÌÑо¿ÓëÁÙ´²¿µ¸´£¬2008£¬12(7):1239-1242 [www.zglckf.com/zglckf/ejournal/upfiles/08-7/7k-1239(ps).pdf]

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ÎÄÕ±àºÅ:1673-8225
(2008)07-01239-04

ÊÕ¸åÈÕÆÚ£º2007-12-05 ÐÞ»ØÈÕÆÚ£º2007-12-28 (07-50-12-6743/W¡¤A)

Effects of calcium channel blocking agent on fibroblast proliferation and collagen synthesis in nerve scars cultured in vitro

Abstract

AIM:Calcium channel blocking agent can inhibit the proliferation of scar-derived fibroblasts and synthesis of collagen, and inhibit the formation of hypertrophic scar. This study observed the effect of calcium channel blocking agent on fibroblast proliferation and collagen secretion of nerve scars cultured in vitro.
METHODS: The experiment was performed at the Central Laboratory of China-Japan Union Hospital of Jinlin University from March to June 2006. ¢ÙTen Wistar rats were made into models of bilateral sciatic nerve injury. Two weeks after modeling, injured nerve scars were obtained and fibroblasts were cultivated according to tissue culture method. The cells of the fourth to eighth passage were selected and divided into 4 groups. In 3 Verapamil groups, cells were cultured in culture medium containing 10, 50 and 100 ¦Ìmol/L Verapamil (Shanghai Harvest Pharmaceutical Co., Ltd.). ¢ÚCell proliferative activity was investigated by MTT method and the collagen content in supernatant fluid of cell and endochylema were examined by hydroxyproline colorimetric analysis.
RESULTS: ¢ÙCalcium channel blocking agent could significantly inhibit the growth and proliferation of fibroblasts in a dose dependent manner (P < 0.05). ¢ÚCalcium channel blocking agent remarkably decrease collagen content in supernatant of cell culture but increase collagen content in endochylema in a dose dependent manner, especially in 100 ¦Ìmol/L group (P < 0.05).
CONCLUSION: Calcium channel blocking agent can inhibit fibroblast proliferation and collagen secretion of nerve scars.

Xue JW, Jiang ZG, Yang G, Li R, Yin WT. Effects of calcium channel blocking agent on fibroblast proliferation and collagen synthesis in nerve scars cultured in vitro.Zhongguo Zuzhi Gongcheng Yanjiu yu Linchuang Kangfu 2008;12(7):1239-1242(China) [www.zglckf.com/zglckf/ejournal/upfiles/08-7/7k-1239(ps).pdf]


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