Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
18
pubmed:dateCreated
1975-12-23
pubmed:abstractText
Since patients with myeloma have serious abnormalities of humoral immunity, we applied an in vitro assay to determine the capacity of B lymphocytes to mature into immunoglobulin-secreting cells. In peripheral blood lymphocytes from 22 normal persons, geometric mean immunoglobulin synthesis was 4910 ng for IgM, 1270 ng for IgA and 1625 ng for IgG. The synthesis rates of peripheral blood lymphocytes of 22 patients with myeloma were 458 ng for IgM, 321 ng for IgA and 218 ng for IgG. Circulating mononuclear cells from three of six patients tested suppressed polyclonal immunoglobulin synthesis by cocultured normal lymphocytes. Suppressive activity was not mediated by purified T cells alone. Removal of phagocytic mononuclear cells from lymphocyte populations of one patient nullified suppressive activity. Removal of phagocytic mononuclear cells from lymphocyte populations of a second patient led to a nearly 10-fold increase in polyclonal immunoglobulin synthesis. Therefore, host suppressor cells may play a part in the decreased capacity of B lymphocytes to secret immunoglobulin in certain patients with myeloma.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0028-4793
pubmed:author
pubmed:issnType
Print
pubmed:day
30
pubmed:volume
293
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
887-92
pubmed:dateRevised
2009-10-27
pubmed:meshHeading
pubmed:year
1975
pubmed:articleTitle
Impaired synthesis of polyclonal (non-paraprotein) immunoglobulins by circulating lymphocytes from patients with multiple myeloma Role of suppressor cells.
pubmed:publicationType
Journal Article, In Vitro