期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 467, 期 4, 页码 928-934出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2015.10.041
关键词
Camphene; Melanoma; Apoptosis; Antitumor
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2015/11936-2, 2011/51739-0]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [300546/2012-2]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [11/51739-0] Funding Source: FAPESP
Natural monoterpenes were isolated from the essential oil of Piper cernuum yell. (Piperaceae) leaves. The crude oil and the individual monoterpenes were tested for cytotoxicity in human tumor cell lineages and B16F10-Nex2 murine melanoma cells. In the present work we demonstrate the activity of camphene against different cancer cells, with its mechanism of action being investigated in vitro and in vivo in murine melanoma. Camphene induced apoptosis by the intrinsic pathway in melanoma cells mainly by causing endoplasmic reticulum (ER) stress, with release of Ca2+ together with HmgB1 and calreticulin, loss of mitochondrial membrane potential and up regulation of caspase-3 activity. Importantly, camphene exerted antitumor activity in vivo by inhibiting subcutaneous tumor growth of highly aggressive melanoma cells in a syngeneic model, suggesting a promising role of this compound in cancer therapy. (C) 2015 Elsevier Inc. All rights reserved.
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