Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
1988-7-14
pubmed:abstractText
Casein-elicited mouse peritoneal macrophages cultured in the presence of phorbol 12-myristate 13-acetate (PMA) express u-PA. Induction is maximal after 4 hr of stimulation and u-PA activity is mainly recovered with the membrane fraction of the cellular lysate. This enzymatic activity is inhibited by isopropylmethylphosphonofluoridate after stimulation by PMA. The presence of the organophosphorus compound before stimulation does not affect the activity. The results of the present study on the kinetics of u-PA activity in cultured macrophages, its subcellular localization and the effect of an organophosphorus ester are consistent with the concept that the development of pericellular proteolysis proceeds through a series of stages, namely, (a) synthesis of pro-u-PA, (b) binding to membrane receptors, (c) activation to a double-chain u-PA, and (d) conversion of plasminogen into plasmin. The assay procedure developed here provides a sensitive tool to investigate the mechanism of interference of chemicals with several steps of induction of this enzymatic activity in macrophages.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0006-2952
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
37
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2139-43
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Plasminogen activator activity of cultured murine macrophages and effects of isopropylmethylphosphonofluoridate (sarin).
pubmed:affiliation
Unité de Toxicologie Industrielle et Médecine du Travail, Université Catholique de Louvain, Bruxelles, Belgium.
pubmed:publicationType
Journal Article