Hao MA, De-song KONG, Min NI, et al. Effect of Curcumin in Reversing Resistance of Human Colon Carcinoma Against Oxaliplatin Cell Line HCT-116/L-OHP[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(20): 63-69.
DOI:
Hao MA, De-song KONG, Min NI, et al. Effect of Curcumin in Reversing Resistance of Human Colon Carcinoma Against Oxaliplatin Cell Line HCT-116/L-OHP[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(20): 63-69. DOI: 10.13422/j.cnki.syfjx.20191223.
Effect of Curcumin in Reversing Resistance of Human Colon Carcinoma Against Oxaliplatin Cell Line HCT-116/L-OHP
To construct oxaliplatin (L-OHP) drug-resistant cell line HCT-116/L-OHP in human colon cancer
in order to observe the reversal effect of curcumin (cur) on its drug resistance
and preliminarily explore the possible drug resistance mechanism.
Method:
2
The concentration gradient increasing method was used to gradually increase the L-OHP concentration of HCT-116 in parental colon cancer cells
and the cell line HCT-116/L-OHP resistant to L-OHP was established. The cytotoxicity of L-OHP and curcumin to HCT-116 and HCT-116/L-OHP cells was detected by cell counting kit-8(CCK-8) method to observe whether curative resistance could be reversed. Western blot was used to detect the expressions of drug-resistance-related proteins. Real-time PCR was used to detect changes in related genes.
Result:
2
Human colon cancer cell line resistant to L-OHP were successfully established and named as HCT-116/L-OHP
with a drug resistance index of 12.6.Compared with HCT-116 cell lines
the expression levels of resected and repaired cross complementation gene 1 (ERCC1) protein and gene in HCT-116/L-OHP cell lines were significantly increased (
P
<
0.01). The expressions of B-cell lymphoma-2 (Bcl-2)
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