Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1987-11-30
pubmed:abstractText
Peripheral blood leukocytes from ARC and AIDS patients were analyzed following phytohemagglutinin- and pokeweed mitogen-induced lymphocyte transformation by dual-color flow cytometry using monoclonal antibodies that identify developmental (HLA-DR) and functional (Leu8) subsets of T cells and monocytes. Significant decreases in both the suppressor regulating helper T subset (Leu3+ Leu8+) and the reciprocal inducer helper T subset (Leu3+ Leu8-) responsible for inducing differentiation of B cells were observed. Simultaneously, the percentages of the effector suppressor T cells and the precursor suppressor T cells were increased, both of which were required for generation of suppression of cell-mediated immunity. There was also a progressive selection of Ia+ cells bearing the Leu2 (Ts) markers and a concurrent reduction of the percentage of antigen-presenting monocytes and activated helper T cells. These results suggest that the functional deficiencies in AIDS may be caused by defects in T-cell activation as well as antigen presentation by monocytes. Isoprinosine induced an increase in both regulator Th (Leu3+ Leu8+) and inducer Th (Leu3+ Leu8+) subsets of helper T cells while potentiating the expression of Ia antigen on helper T cells and monocytes during mitogen-driven DNA synthesis. These events initiated a cascade of cellular interactions leading to partial restoration of cell-mediated immune responses. These interferences with the defective helper/suppressor regulatory pathways may have important therapeutic implications.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0090-1229
pubmed:author
pubmed:issnType
Print
pubmed:volume
45
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
166-76
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed-meshheading:2444374-AIDS-Related Complex, pubmed-meshheading:2444374-Acquired Immunodeficiency Syndrome, pubmed-meshheading:2444374-Adjuvants, Immunologic, pubmed-meshheading:2444374-Adult, pubmed-meshheading:2444374-Antigen-Presenting Cells, pubmed-meshheading:2444374-Antigens, Differentiation, T-Lymphocyte, pubmed-meshheading:2444374-B-Lymphocytes, pubmed-meshheading:2444374-Histocompatibility Antigens Class II, pubmed-meshheading:2444374-Humans, pubmed-meshheading:2444374-Inosine, pubmed-meshheading:2444374-Inosine Pranobex, pubmed-meshheading:2444374-Leukocytes, Mononuclear, pubmed-meshheading:2444374-Lymphocyte Activation, pubmed-meshheading:2444374-Lymphocyte Cooperation, pubmed-meshheading:2444374-Male, pubmed-meshheading:2444374-Middle Aged, pubmed-meshheading:2444374-T-Lymphocytes, pubmed-meshheading:2444374-T-Lymphocytes, Helper-Inducer
pubmed:year
1987
pubmed:articleTitle
Isoprinosine-induced modulation of T-helper-cell subsets and antigen-presenting monocytes (Leu M3 + Ia +) resulted in improvement of T- and B-lymphocyte functions, in vitro in ARC and AIDS patients.
pubmed:affiliation
Department of Neoplastic Diseases, Mount Sinai School of Medicine, New York, New York 10029.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't