Biomaterial Database

[Suppressor cells of mitogen responses during rheumatoid polyarthritis]. 1979

J Sany, and J Clot, and M Andary, and D Andress, and H Serre

The suppressor activity of mononuclear cells of the peripheral blood (MCPB) during rheumatoid polyarthritis (RP) was studied using experimental protocole. The MCPB stimulated in vitro by concanavaline A (Con A) are capable of suppressing the mitogenis response of autologus cells; moreover, the short-lived spontaneous suppressor cells disappear during 24 hour in vitro incubation that determines an increase in the proliferative response of the incubated cells for 24 hours. In two of the six RP studied, the suppressor activity generated Con A and the spontaneous suppressor activity are nul. Culture experiments with the MCPB of PR and control subjects show that this defect in suppressor activity is more related to a problem in the generation of suppressor cells than to a deficiency in the response to suppressor signals.

UI	MeSH Term	Description	Entries
D008213	Lymphocyte Activation	Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION.	Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D003208	Concanavalin A	A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures.
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001172	Arthritis, Rheumatoid	A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated.	Rheumatoid Arthritis
D050378	T-Lymphocytes, Regulatory	CD4-positive T cells that inhibit immunopathology or autoimmune disease in vivo. They inhibit the immune response by influencing the activity of other cell types. Regulatory T-cells include naturally occurring CD4+CD25+ cells, IL-10 secreting Tr1 cells, and Th3 cells.	Regulatory T Cell,Regulatory T-Cell,Regulatory T-Lymphocyte,Regulatory T-Lymphocytes,Suppressor T-Lymphocytes, Naturally-Occurring,T-Cells, Regulatory,Th3 Cells,Tr1 Cell,Treg Cell,Regulatory T-Cells,Suppressor T-Cells, Naturally-Occurring,Tr1 Cells,Treg Cells,Cell, Regulatory T,Cell, Th3,Cell, Tr1,Cell, Treg,Cells, Regulatory T,Cells, Th3,Cells, Tr1,Cells, Treg,Naturally-Occurring Suppressor T-Cell,Naturally-Occurring Suppressor T-Cells,Naturally-Occurring Suppressor T-Lymphocyte,Naturally-Occurring Suppressor T-Lymphocytes,Regulatory T Cells,Regulatory T Lymphocyte,Regulatory T Lymphocytes,Suppressor T Cells, Naturally Occurring,Suppressor T Lymphocytes, Naturally Occurring,Suppressor T-Cell, Naturally-Occurring,Suppressor T-Lymphocyte, Naturally-Occurring,T Cell, Regulatory,T Cells, Regulatory,T Lymphocytes, Regulatory,T-Cell, Naturally-Occurring Suppressor,T-Cells, Naturally-Occurring Suppressor,T-Lymphocyte, Regulatory,Th3 Cell