Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1999-2-25
pubmed:abstractText
In utero irradiation of the fetus during the period of organogenesis induces a dramatic increase in malformation. However, the mechanisms underlying the teratogenesis remain to be elucidated. In the present study, the correlation between radiation-induced apoptosis and limb malformation was examined in mice. The mice were exposed to X rays in utero on day 11 of gestation during the period of organogenesis of limb buds. A marked increase in the number of apoptotic cells in the predigital regions in the forelimb buds was detected 4 h after irradiation. The preinterdigital regions of the forelimb buds did not show such an increase at the same time. Aphlangy and ectrodactyly were the main types of anomalies observed on day 19 in the limbs of the fetuses irradiated with 5 Gy. The increases in prenatal death and teratogenesis in limb digits in living fetuses were dependent on dose. The possible mechanisms involved are discussed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0033-7587
pubmed:author
pubmed:issnType
Print
pubmed:volume
151
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
63-8
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Radiation-induced apoptosis and limb teratogenesis in embryonic mice.
pubmed:affiliation
Division of Radiobiology and Biodosimetry, National Institute of Radiological Sciences, Chiba, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't