Biomaterial Database

Effects of suramin on the immune responses to sheep red blood cells in mice. II. In vitro studies. 1985

I Motta, and M Brandely, and P Truffa-Bachi, and B Hurtrel, and P Lagrange

The effect of Suramin on the secondary in vitro response to sheep erythrocytes (SRBC) was studied. Spleen cells from mice which were treated with Suramin immediately prior to sensitization with SRBC failed to respond to an in vitro SRBC challenge. This Suramin-induced immunosuppression is not related to a defect in macrophage or B-cell function(s). Suramin does not interfere with the induction by SRBC of radioresistant and radiosensitive helper-T-cell subpopulations. Cell separation studies, using wheat germ agglutinin, showed radiosensitive helper-T-cell function in the nonagglutinated fraction while the radioresistant helper activities are carried out by the agglutinated subpopulation. Evidence is presented that Suramin administration results in a suppressive T-cell activity which can be demonstrated in the subpopulation agglutinated by wheat germ agglutinin. The role of such suppressive T cells in the inhibitory effect exerted by Suramin on the cell-mediated delayed-type hypersensitivity response to SRBC is discussed.

UI	MeSH Term	Description	Entries
D007121	Immunocompetence	The ability of lymphoid cells to mount a humoral or cellular immune response when challenged by antigen.	Competence, Immunologic,Immunologic Competence,Immunological Competence,Competence, Immunological
D002448	Cell Adhesion	Adherence of cells to surfaces or to other cells.	Adhesion, Cell,Adhesions, Cell,Cell Adhesions
D004912	Erythrocytes	Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN.	Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005260	Female		Females
D006377	T-Lymphocytes, Helper-Inducer	Subpopulation of CD4+ lymphocytes that cooperate with other lymphocytes (either T or B) to initiate a variety of immune functions. For example, helper-inducer T-cells cooperate with B-cells to produce antibodies to thymus-dependent antigens and with other subpopulations of T-cells to initiate a variety of cell-mediated immune functions.	Helper Cell,Helper Cells,Helper T Cell,Helper-Inducer T-Lymphocytes,Inducer Cell,Inducer Cells,T-Cells, Helper-Inducer,T-Lymphocytes, Helper,T-Lymphocytes, Inducer,Helper T-Cells,Cell, Helper T,Cells, Helper T,Helper Inducer T Lymphocytes,Helper T Cells,Helper T-Cell,Helper T-Lymphocyte,Helper T-Lymphocytes,Helper-Inducer T-Cell,Helper-Inducer T-Cells,Helper-Inducer T-Lymphocyte,Inducer T-Lymphocyte,Inducer T-Lymphocytes,T Cell, Helper,T Cells, Helper,T Cells, Helper Inducer,T Lymphocytes, Helper,T Lymphocytes, Helper Inducer,T Lymphocytes, Inducer,T-Cell, Helper,T-Cell, Helper-Inducer,T-Cells, Helper,T-Lymphocyte, Helper,T-Lymphocyte, Helper-Inducer,T-Lymphocyte, Inducer
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D000917	Antibody Formation	The production of ANTIBODIES by proliferating and differentiated B-LYMPHOCYTES under stimulation by ANTIGENS.	Antibody Production,Antibody Response,Antibody Responses,Formation, Antibody,Production, Antibody,Response, Antibody,Responses, Antibody
D012756	Sheep	Any of the ruminant mammals with curved horns in the genus Ovis, family Bovidae. They possess lachrymal grooves and interdigital glands, which are absent in GOATS.	Ovis,Sheep, Dall,Dall Sheep,Ovis dalli
D013154	Spleen	An encapsulated lymphatic organ through which venous blood filters.
D013498	Suramin	A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties.	Germanin,Moranil,Naganin,Naganol,Naphuride,Suramin Sodium,Suramin, Hexasodium Salt,Suramin, Monosodium Salt,Hexasodium Salt Suramin,Monosodium Salt Suramin,Salt Suramin, Hexasodium,Salt Suramin, Monosodium,Sodium, Suramin

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