Synergistic effect of phenformin in non-small cell lung cancer (NSCLC) ionizing radiation treatment.

Abstract:

:Biguanides, used for anti-diabetic drugs, bring more attention in cancer research for their beneficial effects. Phenformin is more potent than metformin. However its potential application as a anti-cancer regent is far behind metformin. In order to investigate any beneficial effect of combination of Phenformin and radiotherapy, non-small cell lung cancer cell lines A549 and H1299 were exposure under different dose of ionizing radiation with or without Phenformin. Results indicated Phenformin showed synergistic effect and could induce more cancer cell apoptosis and inhibition of tumor growth compared with ionizing radiation alone. Furthermore, this synergistic effect may be through different pathway according to cancer cell genotype background. Our results showed Phenformin induced AMPK activation in A549 but not H1299. However, Phenformin activated eIF2α in both cell lines. Our findings implicated Phenformin may be used as radiosensitizer for non-small cell lung cancer therapy.

journal_name

Cell Biochem Biophys

authors

Wang J,Xia S,Zhu Z

doi

10.1007/s12013-014-0283-z

subject

Has Abstract

pub_date

2015-03-01 00:00:00

pages

513-8

issue

2

eissn

1085-9195

issn

1559-0283

journal_volume

71

pub_type

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