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2017 ; 40
(4
): 1143-1151
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English Wikipedia
Osthole induces apoptosis and suppresses proliferation via the PI3K/Akt pathway
in intrahepatic cholangiocarcinoma
#MMPMID28902342
Zhu X
; Song X
; Xie K
; Zhang X
; He W
; Liu F
Int J Mol Med
2017[Oct]; 40
(4
): 1143-1151
PMID28902342
show ga
Osthole is a natural coumarin isolated from Umbelliferae plant monomers. Previous
research has indicated that osthole exerts a wide variety of biological effects,
acting as anti-seizure, anti-osteoporosis and anti-inflammation. However, the
regulatory effect and related molecular mechanism of osthole in intrahepatic
cholangiocarcinoma (ICC) remain unknown. In the present study, the authors found
that osthole inhibited ICC cell lines in a dose- and time-dependent manner.
Osthole also significantly induced mitochondrial-dependent apoptosis by
upregulating Bax, cleaved caspase-3, cleaved caspase-9, and cleaved poly
ADP-ribose polymerase expression, and by downregulating Bcl-2 expression.
Moreover, the levels of p-Akt and PI3K were significantly decreased, while total
Akt protein levels were unchanged. Following transfection with wild-type-Akt and
constitutively active (CA)-Akt plasmids, the effects of osthole were decreased.
Osthole was also able to suppress tumor growth in vivo. Together, these data
demonstrated that osthole induces mitochondrial-dependent apoptosis via the
PI3K/Akt pathway, suggesting that osthole may represent a novel and effective
agent for the treatment of ICC.