Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1989-10-25
pubmed:abstractText
Treatment of cultured adult human keratinocytes with platelet activating factor (PAF) resulted in a rapid, dose dependent accumulation of inositol phosphates. Inositol trisphosphate (IP3), inositol bisphosphate (IP2) and inositol phosphate (IP) were elevated within 15 seconds of exposure to PAF (1 microM). Lyso-PAF, phosphatidylcholine (PC) and lyso-PC had no effect on levels of inositol phosphates, indicating that the effect of PAF was specific. PAF also raised cellular 1,2-diacylglycerol content (2-fold) within two minutes of addition and stimulated mobilization of arachidonic acid (AA) and release of prostaglandin E2. In contrast, PAF did not stimulate phosphoinositide turnover or AA release in cultured dermal fibroblasts. These results suggest that the inflammatory effects of PAF in human skin result, at least in part, from its ability to directly activate keratinocytes and stimulate release of pro-inflammatory eicosanoids.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0006-291X
pubmed:author
pubmed:issnType
Print
pubmed:day
29
pubmed:volume
163
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1344-50
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1989
pubmed:articleTitle
Differential activation of human skin cells by platelet activating factor: stimulation of phosphoinositide turnover and arachidonic acid mobilization in keratinocytes but not in fibroblasts.
pubmed:affiliation
Department of Dermatology, University of Michigan Medical Center, Ann Arbor 48109.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't