PMID: 15341184Sep 3, 2004Paper

The role of nitric oxide in the radiation-induced effects in the developing brain

In Vivo
Pablo GisoneSusana Puntarulo

Abstract

The immature and adult brain display clear differences in the way they respond to insults. The effects of prenatal irradiation on the developing brain are well known. Both epidemiological and experimental data indicate that ionizing radiation may disrupt developmental processes leading to deleterious effects on post-natal brain functions. A central role of reactive oxygen and nitrogen species (ROS/RNS) as important mediators in both neurotoxicity and neuroprotection has been demonstrated. However, data concerning the role of ROS/RNS in radiation-induced damage in the developing brain are scarce. The goal of this review was to summarize the current studies concerning the role of nitric oxide and its reactive intermediates in activation of signal transduction pathways involved in cellular radiation response, with particular focus on radiation-induced effects in the developing brain.

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