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Abstract Title:

A forskolin derivative, FSK88, induces apoptosis in human gastric cancer BGC823 cells through caspase activation involving regulation of Bcl-2 family gene expression, dissipation of mitochondrial membrane potential and cytochrome c release.

Abstract Source:

Cell Biol Int. 2006 Nov;30(11):940-6. Epub 2006 Jul 5. PMID: 16889987

Abstract Author(s):

Zhonghai Li, Jingze Wang

Abstract:

FSK88, a forskolin derivative, was extracted and purified from cultured tropical plant roots, Coleus forskohlii. Our previous studies have demonstrated that FSK88 can inhibit HL-60 cell proliferation and induce the differentiation of HL-60 cells to monocyte macrophages. In this study, we showed that FSK88 can induce apoptotic death of human gastric cancer BGC823 cells in a dose- and time-dependent manner. Results showed that FSK88-induced apoptosis was accompanied by the mitochondrial release of cytochrome c and activation of caspase-3 in BGC823 cells. Furthermore, treatment with caspase-3 inhibitor (z-DEVD-fmk) was capable of preventing the FSK88-induced caspase-3 activity and apoptosis. FSK88-induced apoptosis in human gastric cancer BGC823 cells was also accompanied by the up-regulation of Bax, Bad and down-regulation of Bcl-2. Theses results clearly demonstrated that the induction of apoptosis by FSK88 involved multiple cellular and molecular pathways and strongly suggest that pro- and anti-apoptotic Bcl-2 family genes, mitochondrial membrane potential (Deltapsi(m)), cytochrome c, and caspase-3, participate in the FSK88-induced apoptotic process in human gastric cancer BGC823 cells.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Apoptotic : CK(5217) : AC(3846)

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Sayer Ji
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