Linked Life Data

2137969

Source:http://linkedlifedata.com/resource/pubmed/id/2137969

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1990-4-5
pubmed:abstractText
Villitis of unestablished origin is a lesion in placentas from normal and high-risk pregnancies. We have studied villitis areas in 25 normal term placentas for immune cells, coagulation components, and endothelial markers. Villitis areas were filled with activated (HLA-DR, HLA-DP, and HLA-DQ reactive) macrophages. B lymphocytes were not identified, and T lymphocytes were of the helper (CD4) phenotype. Antibodies to coagulation components revealed perivascular and trophoblastic basement membrane deposits of factor IX, increased numbers of platelets, and fetal stem vessels that did not react with endothelial markers. These findings suggest helper T lymphocytes activate macrophages that mediate coagulation activation and alter endothelium. This combination of immunologic events results in tissue changes that are histologically diagnosed as villitis. It is not known what triggers these immunologic events, but the finding of villitis in normal placentas suggests the causative factor(s) is present in all pregnancies.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0002-9378
pubmed:author
pubmed:issnType
Print
pubmed:volume
162
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
515-22
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Immunohistologic evidence that villitis in human normal term placentas is an immunologic lesion.
pubmed:affiliation
Center for Reproduction and Transplantation Immunology, Methodist Hospital of Indiana, Indianapolis 46202.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't