Curated Journal Articles on Mesothelioma

Naftopidil Is Useful for the Treatment of Malignant Pleural Mesothelioma

Pharmacology 2014 October 4 [Epub ahead of print] [Link]

Mikami K, Nagaya H, Gotoh A, Kanno T, Tsuchiya A, Nakano T, Nishizaki T.


Naftopidil, an α1-adrenoceptor blocker, induced apoptosis of human malignant pleural mesothelioma NCI-H2052 cells. Naftopidil upregulated the expression of tumor necrosis factor-α (TNF-α) mRNA in these cells. Naftopidil, alternatively, increased FasL secretion from NCI-H2052 cells, without affecting the expression of FasL mRNA and protein, and activated caspase-3 and -8 in NCI-H2052 cells. Naftopidil drastically suppressed tumor growth in mice inoculated with these cells. The results of the present study indicate that naftopidil induces apoptosis of NCI-H2052 cells by upregulating the expression of TNF-α and stimulating the secretion of FasL, a ligand for the death receptor Fas, both to activate caspase-8 and the effector caspase-3, leading to the suppression of NCI-H2052 cell proliferation in vivo. This raises the possibility that naftopidil could be developed as an effective drug for the treatment of malignant pleural mesothelioma.

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