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Updated: Jul 19, 2026

Experimental Protocol for Detecting Mitochondrial Function in Hepatocytes Exposed to Organochlorine Pesticides
Published on: September 16, 2020
[Study of L-02 hepatocyte apoptosis induced by hexavalent chromium associated with mitochondria function damage]
Jing-wei Xiao1, Cai-gao Zhong, Bin Li
1Institute for Occupational Health and Poison Control, China CDC, Beijing 100050, China.
Objective:
To explore the effect of hexavalent chromium on apoptosis of L-02 hepatocytes and the functions of mitochondria. METHODS L-02 hepatocytes in all tests were incubated with 0,2,4,8,16,32 [see text] 64 micromol/L of Cr(VI) for 6h. Apoptosis of L-02 hepatocytes in the presence of Cr(VI) was quantified by flow cytometry (FCM). The permeability transition pore (FTP) of mitochondria and mitochondrial membrane potential as indicators of mitochondrial damage were measured by fluorescent spectrometer.
Results:
Concentration-dependent decrease in cell apoptosis rate of Cr(VI)-treated L-02 hepatocytes were observed. The results of permeability transition pore (PTP) of mitochondria, mitochondrial membrane potential in all concentrations of Cr(VI) had significant difference when compared to the control cells (P < 0.05).
Conclusion:
The results demonstrated that L-02 hepatocytes apoptosis induced by Cr(VI) associated with mitochondrial damages.
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