PMID: 15225431Jul 1, 2004Paper

An improved method for the isolation of rat hepatic stellate cells

Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology
Jian-chang ShuCan-can Zhong

Abstract

To present an improved method to obtain pure, viable, freshly isolated hepatic stellate cells. Adult male SD rats were used. All procedures were performed with the animals under sodium pentobarbital anesthesia. Three days after the single intravenous administration of 1 ml liposome-encapsulated CL2MDP, which has selective cytotoxicity of Kupffer cells, livers were perfused with D-Hank's solution containing 100 U/ml heparin for 10 to 15 minutes, and then with 0.05% collagenase dissolved in D-Hank's solution for 25 to 30 minutes. The liver was then gently homogenized and further incubated in 0.025% collagenase, and 0.005% DNAase I for 30 minutes at 37 degrees C under constant stirring. This suspension was filtered through stainless steel gauze and centrifuged for 2 minutes at 50 x g to remove parenchymal cells. Sinusoidal cells in the supernatant were recovered by centrifugation for 10 minutes at 300 x g. The cells were resuspended in the presence of 28.7% Nycodenz stock solution. The final concentration of Nycodenz at this stage was 11.5%. Following centrifugation for 17 minutes at 1400 x g, The cells at the top of this Nycodenz solution were collected. Cells were resuspended in Dulbecco's modified Eagle medium supplemented with...Continue Reading

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