Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1997-4-4
pubmed:abstractText
The role of reactive oxygen species (ROS) generated by hypoxanthine/xanthine oxidase (HX/XO) in the induction of apoptosis was studied in the human fibroblast cell line WI38. Apoptosis but not necrosis was observed in proliferating fibroblasts after 48 h incubation with 1 mM HX and 0.05 U/ml XO. Induction of apoptosis was hindered by catalase. Cell-cycle analysis revealed a reduction of cells in the S/G2 phase 24 and 48 h after stimulation, suggesting that ROS induce a G1 arrest in proliferating fibroblasts. This was supported by an accumulation of p53 and the cdk inhibitor p21WAF1/CIP1. Since apoptosis was not inducible in senescent fibroblasts our data indicate that ROS mainly induces apoptosis in proliferating cells.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0014-5793
pubmed:author
pubmed:issnType
Print
pubmed:day
3
pubmed:volume
404
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
6-10
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
The induction of apoptosis in proliferating human fibroblasts by oxygen radicals is associated with a p53- and p21WAF1CIP1 induction.
pubmed:affiliation
Department of General Surgery, University of Ulm, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't