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Article Publish Status: FREE
Abstract Title:

The caspase 3-dependent apoptotic effect of pycnogenol in human oral squamous cell carcinoma HSC-3 cells.

Abstract Source:

J Clin Biochem Nutr. 2016 Jan ;58(1):40-7. Epub 2015 Dec 8. PMID: 26798196

Abstract Author(s):

In-Hyoung Yang, Ji-Ae Shin, Lee-Han Kim, Ki Han Kwon, Sung-Dae Cho

Article Affiliation:

In-Hyoung Yang

Abstract:

In the present study, the apoptotic effect of pycnogenol and its molecular mechanism in human oral squamous cell carcinoma HSC-3 cells were investigated. Pycnogenol significantly inhibited the viability of HSC-3 cells and suppressed neoplastic cell transformation in HSC-3 cells and TPA-treated JB6 cells. It caused caspase-dependent apoptosis evidenced by the increase in cleaved poly (ADP-ribose) polymerase and caspase 3 in a dose-dependent manner. Pycnogenol increased Bak protein by enhancing its protein stability whereas other Bcl-2 family members were not altered. In addition, the treatment with pycnogenol led to the production of reactive oxygen species and N-acetyl-l-cysteine almost blocked pycnogenol-induced reactive oxygen species generation. Taken together, these findings suggest that pycnogenol may be a potential candidate for the chemoprevention or chemotherapy of human oral cancer.

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Sayer Ji
Founder of GreenMedInfo.com

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