NF-kappaB inhibition impairs the radioresponse of hypoxic EMT-6 tumour cells through downregulation of inducible nitric oxide synthase.

Abstract:

:Hypoxic EMT-6 tumour cells displayed a high level of inducible nitric oxide synthase (iNOS) and an increased radiosensitivity after a 16 h exposure to lipopolysaccharide, a known activator of nuclear factor-kappaB (NF-kappaB). Both iNOS activation and radioresponse were impaired by the NF-kappaB inhibitors phenylarsine oxide and lactacystin. Contrasting to other studies, our data show that inhibition of NF-kappaB may impair the radioresponse of tumour cells through downregulation of iNOS.

journal_name

Br J Cancer

authors

De Ridder M,Van den Berge DL,Verovski VN,Monsaert C,Wauters N,Storme GA

doi

10.1038/sj.bjc.6600678

subject

Has Abstract

pub_date

2003-01-13 00:00:00

pages

120-4

issue

1

eissn

0007-0920

issn

1532-1827

pii

6600678

journal_volume

88

pub_type

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