Unraveling the fundamental molecular mechanisms of morphological and cognitive defects in the irradiated brain.

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@article{8db28b948e0f4e91b49e1e5dfe4112f8,
title = "Unraveling the fundamental molecular mechanisms of morphological and cognitive defects in the irradiated brain.",
abstract = "Prenatal radiation exposure may have serious consequences for normal brain development. Results of epidemiological studies clearly pointed towards an increased risk of mental retardation in children of the surviving women of the Hiroshima/Nagasaki atomic bombing when in utero exposure had occurred between weeks 8 and 15 of pregnancy or, at a lower extend between weeks 15 and 25. The high sensitivity of the developing brain, in comparison to the adult brain is related to its higher number of non-differentiated, dividing neural precursor cells. Exposure of the developing brain to ionizing radiation can lead to three main outcomes in the developing brain, depending on the radiation dose and the elapsed period after irradiation. A first event occurs early after irradiation and triggers disturbances in cell proliferation, migration, differentiation, and cell death. A second event involves the generation of morphological abnormalities in the developing brain, if the radiation dose is sufficient. A third event involves cognitive dysfunctions that are a direct consequence from a disturbance in regional brain formation. The latter results from exposure to low doses and is usually only observed in the later period of development. In order to understand the mechanisms of radiation-induced cognitive dysfunctions.",
keywords = "ionizing radiation, developing brain, intracellular signalingpathways, cognitive defects",
author = "Joris Verheyde and Rafi Benotmane and {de Saint-Georges}, Louis and Paul Jacquet",
note = "Score=10",
year = "2006",
month = dec,
day = "21",
doi = "10.1016/j.brainresrev.2006.09.004",
language = "English",
volume = "53",
pages = "312--320",
journal = "Brain research reviews",
issn = "0165-0173",
publisher = "Elsevier",
number = "2",

}

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TY - JOUR

T1 - Unraveling the fundamental molecular mechanisms of morphological and cognitive defects in the irradiated brain.

AU - Verheyde, Joris

AU - Benotmane, Rafi

A2 - de Saint-Georges, Louis

A2 - Jacquet, Paul

N1 - Score=10

PY - 2006/12/21

Y1 - 2006/12/21

N2 - Prenatal radiation exposure may have serious consequences for normal brain development. Results of epidemiological studies clearly pointed towards an increased risk of mental retardation in children of the surviving women of the Hiroshima/Nagasaki atomic bombing when in utero exposure had occurred between weeks 8 and 15 of pregnancy or, at a lower extend between weeks 15 and 25. The high sensitivity of the developing brain, in comparison to the adult brain is related to its higher number of non-differentiated, dividing neural precursor cells. Exposure of the developing brain to ionizing radiation can lead to three main outcomes in the developing brain, depending on the radiation dose and the elapsed period after irradiation. A first event occurs early after irradiation and triggers disturbances in cell proliferation, migration, differentiation, and cell death. A second event involves the generation of morphological abnormalities in the developing brain, if the radiation dose is sufficient. A third event involves cognitive dysfunctions that are a direct consequence from a disturbance in regional brain formation. The latter results from exposure to low doses and is usually only observed in the later period of development. In order to understand the mechanisms of radiation-induced cognitive dysfunctions.

AB - Prenatal radiation exposure may have serious consequences for normal brain development. Results of epidemiological studies clearly pointed towards an increased risk of mental retardation in children of the surviving women of the Hiroshima/Nagasaki atomic bombing when in utero exposure had occurred between weeks 8 and 15 of pregnancy or, at a lower extend between weeks 15 and 25. The high sensitivity of the developing brain, in comparison to the adult brain is related to its higher number of non-differentiated, dividing neural precursor cells. Exposure of the developing brain to ionizing radiation can lead to three main outcomes in the developing brain, depending on the radiation dose and the elapsed period after irradiation. A first event occurs early after irradiation and triggers disturbances in cell proliferation, migration, differentiation, and cell death. A second event involves the generation of morphological abnormalities in the developing brain, if the radiation dose is sufficient. A third event involves cognitive dysfunctions that are a direct consequence from a disturbance in regional brain formation. The latter results from exposure to low doses and is usually only observed in the later period of development. In order to understand the mechanisms of radiation-induced cognitive dysfunctions.

KW - ionizing radiation

KW - developing brain

KW - intracellular signalingpathways

KW - cognitive defects

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_76059

UR - http://knowledgecentre.sckcen.be/so2/bibref/3938

U2 - 10.1016/j.brainresrev.2006.09.004

DO - 10.1016/j.brainresrev.2006.09.004

M3 - Article

VL - 53

SP - 312

EP - 320

JO - Brain research reviews

JF - Brain research reviews

SN - 0165-0173

IS - 2

ER -

ID: 357579