Phytochemical Name : Osthole

Properties Information
PhytoCAT-ID PhytoCAT-1083
Phytochemical name or plant extracts Osthole
PMID 28350076
Literature evidence Osthole, an active constituent isolated from the fruit of Cnidium monnieri (L.) Cusson, has been shown to induce various beneficial biochemical effects such as anti-inflammatory and antitumor.
IUPAC name 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one
Phytochemicals’ class or type of plant extracts Coumarin
Source of phytochemicals or plant Extracts Cnidium monnieri
Geographical availability Amur, Assam, Bangladesh, Buryatiya, China North-Central, China South-Central, China Southeast, Chita, India, Inner Mongolia, Irkutsk, Japan, Khabarovsk, Korea, Krasnoyarsk, Laos, Manchuria, Mongolia, Primorye, Qinghai, Taiwan, Tibet, Vietnam, Yakutskiya
Plant parts Fruits
Other cancers Breast cancer, Kidney cancer, Glioma
Target gene or protein GPX1, SOD2, GCL-c, G6pdh, NOX2, ACOX, FASN, c-met, c-FLIP, Bax, Akt, mTOR, p53, p21, Cdk2, cyclin D1 Caspase 3, Caspase 9
Gene or Protein evidence Consistently, osthole significantly enhanced the expressions of antioxidant genes (GPX1, SOD2, GCL-c, and G6pdh), but suppressed those of pro-oxidant genes (NOX2 and ACOX). The use of Akt-overexpression revealed that the modulation of Akt and mTOR was required for osthole-induced FASN suppression. Interestingly, osthole blocked HGF-induced c-Met phosphorylation and repressed the expression of total c-Met protein in MCF-7 cells. Osthole induced downregulation of cellular FLICE-like inhibitory protein (c-FLIP) expression, and overexpression of c-FLIP markedly blocked apoptosis induced by the combined treatment with osthole and TRAIL. Moreover, osthole induced apoptosis by activating the pro-apoptotic protein, Bax, in both cell lines. We demonstrated that osthole is effective in inhibiting the proliferation of MDA-MB 435 cells, The mitochondrion-mediated apoptotic pathway was involved in apoptosis induced by osthole, as indicated by activation of caspase-9 and caspase-3 followed by PARP degradation. The mechanism underlying its effect on the induction of G1 phase arrest was due to the up-regulation of p53 and p21 and down-regulation of Cdk2 and cyclin D1 expression.
Target pathways c-Met/Akt/mTOR pathway Akt/mTOR pathway
IC50 NA
Potency These results suggested that osthole has the potential to advance as chemopreventive or chemotherapeutic agent for cancers that overexpress HER2.
Cell line/ mice model MDA-MB-231, MDA-MB-435, Caki, U251MG,
Additional information  Osthole preferentially inhibited proliferation and induced apoptosis in HER2-overexpressing cancer cells. Moreover, osthole inhibited the phosphorylation of Akt and mTOR.
PubChem ID 10228
Additional PMIDs 30315252 33727922 20622464 28938572 21806057 31731635 20218616 25859268 28350076 22017625
Additional sources of information https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:840463-1
Safety NA