Shi CJ, Tian R, Wang M, Zhao Y, Qin RY. Effect of WEE1 inhibitor MK-1775 on self-renewal of gallbladder cancer stem cells.
Shijie Huaren Xiaohua Zazhi 2018;
26:1586-1591. [DOI:
10.11569/wcjd.v26.i27.1586]
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Abstract
AIM
To assess the inhibitory effect of Wee1 inhibitor MK-1775 on self-renewal of cancer stem like cells in GBC-SD cells.
METHODS
The GBC-SD cell line was cultured in vitro, and the suspended cancer stem cell spheres were cultured in serum free stem cell culture medium containing MK-1775. The expression of Wee1 was detected by Western blot, and the changes of the sphere size and sphere formation rate were analyzed. After the establishment of a subcutaneously transplanted tumor model in nude mice, MK-17751 was given for 2 wk, and the weight of the transplanted tumors was detected 2 wk later.
RESULTS
After 8 d of culture with MK-1775, the expression of Wee1 in GBC-SD cells was downregulated and the sphere size and sphere formation rate were reduced. After MK-17751 treatment, the growth of subcutaneous xenografts in nude mice was inhibited.
CONCLUSION
MK-1775 can inhibit the self-renewal of cancer stem like cell in gallbladder cancer GBC-SD cells.
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