Linked Life Data

2632802

Source:http://linkedlifedata.com/resource/pubmed/id/2632802

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1990-5-23
pubmed:abstractText
In 13 women affected by progressive systemic sclerosis (PSS) the activation state of circulating B lymphocytes by use of monoclonal antibodies and the in vitro IgG, IgA, IgM synthesis by peripheral blood mononuclear cells (PBMC) cultured with or without pokeweed-mitogen (PWM) were evaluated. The total and "activated" B lymphocytes were increased. The supernatants of PBMC cultured without PWM contained increased IgG and IgA levels; only in two patients, however, were IgM levels increased. The addition of PWM augmented IgG and IgA levels only in three cases and never IgM levels. Our results indicate that the polyclonal hyperactivity of B lymphocytes is a major immunologic feature in PSS patients. The lack of increase of in vitro immunoglobulin synthesis in the presence of PWM suggests either that B lymphocytes, already maximally activated in vivo, are unresponsive to further mitogen stimulation or that a more complex imbalance of B lymphocyte responsiveness to PWM may exist.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0141-2760
pubmed:author
pubmed:issnType
Print
pubmed:volume
29
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
59-63
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1989
pubmed:articleTitle
Polyclonal B lymphocyte activation in progressive systemic sclerosis.
pubmed:affiliation
Clinica Medica, University of L'Aquila, Italy.
pubmed:publicationType
Journal Article, In Vitro, Research Support, Non-U.S. Gov't