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J BUON. 2019 Jan-Feb;24(1):310-314.

Sorghumol triterpene inhibits the growth of circulating renal cancer cells by promoting cell apoptosis, G2/M cell cycle arrest and downregulating m-TOR/PI3K/AKT signalling pathway.

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Department of Urology, Taihe Hospital, Hubei University of Medicine, Hubei, 442000, China.



To investigate the growth inhibitory effect of Sorghumol on the circulating renal cancers cells and to investigate the underlying mechanisms including its effects on apoptosis, cell cycle phase distribution and m-TOR/PI3K/AKT signalling pathway.


The antiproliferative effects were assessed by WST-1 and colony formation assay. Apoptosis was detected by the Hoechst and AO/EB staining using fluorescence microscopy. Cell cycle analysis was carried out by flow cytometry. Protein expression was checked by western blotting.


The results revealed that Sorghumol inhibited the growth of the renal cancer cell (RCC) line A498 and circulating RCCs. However, more profound effects were observed on the RCC cells. The anticancer effects were found to be due to induction of apoptosis. Moreover, Sorghumol could also caused G2/M cell cycle arrest of the RCC cells. Besides, examination of the effect of Sorghumol on m-TOR/PI3K/AKT revealed that Sorghumol inhibited the expression of p-mTOR, p-PI3K and p-AKT in a concentration-dependent manner.


Taken together, we conclude that Sorghumol inhibited the proliferation of circulating RCCs and may therefore prove to be an important lead molecule for the treatment of renal cancer.


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