不同濃度硝普鈉誘導兔軟骨細胞凋亡模型的比較研究
[Abstract]:Objective to compare the model of rabbit chondrocyte apoptosis induced by sodium nitroprusside (SNP) at different concentrations, and to provide theoretical support for the further study of the regulation of chondrocyte apoptosis by drugs. Methods from September to December 2014, 8 healthy male New Zealand white rabbits of 4 weeks of age, weighing 200,250g, were isolated and identified as chondrocytes in vitro. The chondrocytes were isolated and identified with different concentrations of SNP. Mmol/L) induced rabbit chondrocytes, The apoptotic model of chondrocytes induced by different concentrations of SNP was evaluated and compared with tetramethylazolium colorimetric assay (MTT) and d UTP Nick end labeling (TUNEL) for terminal deoxynucleotide transfer. The proliferation of rabbit chondrocytes (OD) and the rate of chondrocyte apoptosis were recorded. Results the OD values of rabbit chondrocytes induced by different concentrations of SNP were compared at different time points. The difference was statistically significant (P0.05). SNP concentration was 0.062, 0.125 mmol/L culture for 48 h, the OD value of rabbit chondrocytes was higher than that of SNP concentration was 0 mmol/L (P0.05); The OD values of chondrocytes in rabbit chondrocytes were lower than that of SNP concentration 0 mmol/L; after cultured for 48 h with SNP concentration of 0.25 and 0.5 mmol/L. The OD value of rabbit chondrocytes was significantly higher than that of rabbit chondrocytes at different concentrations (P0.05) when the concentration of SNP was 0.25 and 0.5 / 1 / 2 mmol/L cultured for 48 h (P < 0.05) and the OD values of chondrocytes in rabbits were significantly different (P0.05). The apoptosis rate of rabbit chondrocytes induced by SNP at different concentration was significantly different at different time points (P0.05). SNP concentration was 0.25). SNP 0.51, P 0.05), and the apoptosis rate of rabbit chondrocytes induced by SNP at different time points was significantly different (P0.05). 2 the apoptotic rate of rabbit chondrocytes was higher than that of SNP (0 mmol/L) at 48 h after mmol/L culture (P0.05). And different concentrations of pairwise comparison, the difference was statistically significant (P0.05). Conclusion the model of chondrocyte apoptosis with different severity can be established when the concentration of SNP is 0.25 ~ 2 mmol/L and induced for 48 h, which provides theoretical support for further study on the regulation of chondrocyte apoptosis by drugs.
【作者單位】: 遼寧醫(yī)學院藥學院;遼寧醫(yī)學院附屬第一醫(yī)院;中國科學院上海藥物研究所;
【基金】:國家自然科學基金資助項目(81302681) 國家“十二五”重大新藥創(chuàng)制基金(2012ZX093016-002) 遼寧省自然科學基金資助項目(2013022051) 遼寧醫(yī)學院校長基金-奧鴻博澤基金(XZJJ20130106-02);遼寧醫(yī)學院校長基金-全民口腔研究生科研創(chuàng)新基金(QM2014007)
【分類號】:R965
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