Biomaterial Database

Effects of irradiation, anti-thymocyte serum and corticosteroids on PHA and LPS responsive cells of the mouse. 1977

M J Doenhoff, and E Leuchars

Peripheral lymphocytes responsive to stimulation by phytohaemagglutinin (PHA) and bacterial lipopolysaccharide (LPS) in culture have been quantitated following treatment of mice with anti-thymocyte serum (ATS), total body irradiation or corticosteroids. The ATS reduced the number of PHA-responsive cells in both blood and spleen, and induced splenomegaly, but it had little deleterious effect on spleen-borne LPS-responsive cells. In contrast, the spleens of mice treated with hydrocortisone acetate were atrophied and the remaining cells had a reduced LPS response and an enhanced PHA response. Total body irradiation impaired both PHA and LPS responsiveness in the spleen. Recovery of PHA responsiveness after either irradiation or ATS treatment was prolonged and was dependent on the presence of an intact thymus; recovery of LPS responsiveness after corticosteroid treatment was more rapid and was thymus-independent.

UI	MeSH Term	Description	Entries
D007165	Immunosuppression Therapy	Deliberate prevention or diminution of the host's immune response. It may be nonspecific as in the administration of immunosuppressive agents (drugs or radiation) or by lymphocyte depletion or may be specific as in desensitization or the simultaneous administration of antigen and immunosuppressive drugs.	Antirejection Therapy,Immunosuppression,Immunosuppressive Therapy,Anti-Rejection Therapy,Therapy, Anti-Rejection,Therapy, Antirejection,Anti Rejection Therapy,Anti-Rejection Therapies,Antirejection Therapies,Immunosuppression Therapies,Immunosuppressions,Immunosuppressive Therapies,Therapies, Immunosuppression,Therapies, Immunosuppressive,Therapy, Immunosuppression,Therapy, Immunosuppressive
D008070	Lipopolysaccharides	Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed)	Lipopolysaccharide,Lipoglycans
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
D008214	Lymphocytes	White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS.	Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D008808	Mice, Inbred CBA	An inbred strain of mouse that is widely used in BIOMEDICAL RESEARCH.	Mice, CBA,Mouse, CBA,Mouse, Inbred CBA,CBA Mice,CBA Mice, Inbred,CBA Mouse,CBA Mouse, Inbred,Inbred CBA Mice,Inbred CBA Mouse
D011828	Radiation Chimera	An organism whose body contains cell populations of different genotypes as a result of the TRANSPLANTATION of donor cells after sufficient ionizing radiation to destroy the mature recipient's cells which would otherwise reject the donor cells.	Chimera, Radiation,Chimeras, Radiation,Radiation Chimeras
D002478	Cells, Cultured	Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.	Cultured Cells,Cell, Cultured,Cultured Cell
D006854	Hydrocortisone	The main glucocorticoid secreted by the ADRENAL CORTEX. Its synthetic counterpart is used, either as an injection or topically, in the treatment of inflammation, allergy, collagen diseases, asthma, adrenocortical deficiency, shock, and some neoplastic conditions.	Cortef,Cortisol,Pregn-4-ene-3,20-dione, 11,17,21-trihydroxy-, (11beta)-,11-Epicortisol,Cortifair,Cortril,Epicortisol,Hydrocortisone, (11 alpha)-Isomer,Hydrocortisone, (9 beta,10 alpha,11 alpha)-Isomer,11 Epicortisol
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
D000961	Antilymphocyte Serum	Serum containing GAMMA-GLOBULINS which are antibodies for lymphocyte ANTIGENS. It is used both as a test for HISTOCOMPATIBILITY and therapeutically in TRANSPLANTATION.	ATGAM,Antilymphoblast Globulins,Antilymphocyte Antibodies,Antilymphocyte Globulin,Lymphocytotoxic Antibodies,Anti-Thymocyte Globulin,Antilymphocyte Immunoglobulin,Antithymocyte Globulin,Antithymoglobulin,Lymphocyte Immune Globulin, Anti-Thymocyte Globulin,Lymphocyte Immune Globulin, Anti-Thymocyte Globulin (Equine),Pressimmune,Anti Thymocyte Globulin,Anti-Thymocyte Globulins,Antibodies, Antilymphocyte,Antibodies, Lymphocytotoxic,Antibody, Antilymphocyte,Antibody, Lymphocytotoxic,Antilymphoblast Globulin,Antilymphocyte Antibody,Antilymphocyte Globulins,Antilymphocyte Immunoglobulins,Antilymphocyte Serums,Antithymocyte Globulins,Antithymoglobulins,Globulin, Anti-Thymocyte,Globulin, Antilymphoblast,Globulin, Antilymphocyte,Globulin, Antithymocyte,Globulins, Anti-Thymocyte,Globulins, Antilymphoblast,Globulins, Antilymphocyte,Globulins, Antithymocyte,Immunoglobulin, Antilymphocyte,Immunoglobulins, Antilymphocyte,Lymphocyte Immune Globulin, Anti Thymocyte Globulin,Lymphocytotoxic Antibody,Serum, Antilymphocyte,Serums, Antilymphocyte