Oxidative metabolism, gap junctions and the ionizing radiation-induced bystander effect.

Abstract:

:Evidence accumulated over the past two decades has indicated that exposure of cell populations to ionizing radiation results in significant biological effects occurring in both the irradiated and nonirradiated cells in the population. This phenomenon, termed the 'bystander response', has been shown to occur both in vitro and in vivo and has been postulated to impact both the estimation of risks of exposure to low doses/low fluences of ionizing radiation and radiotherapy. Several mechanisms involving secreted soluble factors, oxidative metabolism and gap-junction intercellular communication have been proposed to regulate the radiation-induced bystander effect. Our current knowledge of the biochemical and molecular events involved in the latter two processes is reviewed in this article.

journal_name

Oncogene

journal_title

Oncogene

authors

Azzam EI,de Toledo SM,Little JB

doi

10.1038/sj.onc.1206961

subject

Has Abstract

pub_date

2003-10-13 00:00:00

pages

7050-7

issue

45

eissn

0950-9232

issn

1476-5594

pii

1206961

journal_volume

22

pub_type

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