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β‐Caryophyllene oxide Inhibits Constitutive and Inducible STAT3 Signaling Pathway Through Induction of the SHP‐1 Protein Tyrosine Phosphatase
Abstract Constitutive activation of STAT3 is frequently observed and closely linked with proliferation, survival, invasion, metastasis and angiogenesis in tumor cells. In the present study, we investigated whether β‐caryophyllene oxide (CPO), a sesquiterpene isolated primarily from the essential oils of medicinal plants such as guava (Psidium guajava), and oregano (Origanum vulgare L.), can mediate its effect through interference with the STAT3 activation pathway in cancer cells. The effect of CPO on STAT3 activation, associated protein kinases and phosphatase, STAT3‐regulated gene products and apoptosis was investiga...
Source: Molecular Carcinogenesis - June 13, 2013 Category: Molecular Biology Authors: Chulwon Kim, Somi K. Cho, Shweta Kapoor, Ansu Kumar, Shireen Vali, Taher Abbasi, Sung‐Hoon Kim, Gautam Sethi, Kwang Seok Ahn Tags: Research Article Source Type: research