Calorie restriction modifies the delayed-type hypersensitivity response to the hapten trinitrobenzenesulfonic acid and to hapten-modified syngeneic spleen cells. 1987

M Pocino, and L Baute, and I Malavé
Department of Experimental Medicine, Instituto Venezolano de Investigaciones Científicas, Caracas, Venezuela.

We have studied the influence of different degrees of calorie restriction on the induction and the regulation of the delayed type hypersensitivity (DTH) response to trinitrobenzenesulfonic acid (TNBS) and TNBS-modified spleen cells (TNBS-SC), injected by the sc or the iv route. Immediately after weaning, BALB/c mice were placed on restricted diets for either 2 or 4 weeks and then the DTH response was induced. The results showed that a 37.5% restriction in the food supply significantly depressed the level of the DTH response induced by the sc injection of TNBS-SC. In contrast, a 25% restriction in the food supply was insufficient to depress the response. Calorie restriction did not modify the inhibitory influence of an iv injection of TNBS-SC on the DTH response. However, iv presensitization with free hapten or the simultaneous injection of TNBS-SC by the iv and the sc routes did not significantly depress the DTH response in calorie-restricted mice, indicating a defect in the inhibitory regulation of the DTH response in these dietary groups.

UI MeSH Term Description Entries
D006968 Hypersensitivity, Delayed An increased reactivity to specific antigens mediated not by antibodies but by sensitized T CELLS. Hypersensitivity, Tuberculin-Type,Hypersensitivity, Type IV,Tuberculin-Type Hypersensitivity,Type IV Hypersensitivity,Delayed Hypersensitivity,Delayed Hypersensitivities,Hypersensitivity, Tuberculin Type,Tuberculin Type Hypersensitivity,Tuberculin-Type Hypersensitivities,Type IV Hypersensitivities
D007114 Immunization Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow). Immunologic Stimulation,Immunostimulation,Sensitization, Immunologic,Variolation,Immunologic Sensitization,Immunological Stimulation,Sensitization, Immunological,Stimulation, Immunologic,Immunizations,Immunological Sensitization,Immunological Sensitizations,Immunological Stimulations,Sensitizations, Immunological,Stimulation, Immunological,Stimulations, Immunological,Variolations
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
D008297 Male Males
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D009578 Nitrobenzenes BENZENE derivatives carrying nitro group substituents.
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D004038 Diet, Reducing A diet designed to cause an individual to lose weight. Weight Loss Diet,Weight Reduction Diet,Diet, Weight Loss,Diet, Weight Reduction,Diets, Reducing,Diets, Weight Loss,Diets, Weight Reduction,Reducing Diet,Reducing Diets,Weight Loss Diets,Weight Reduction Diets
D005260 Female Females
D006241 Haptens Small antigenic determinants capable of eliciting an immune response only when coupled to a carrier. Haptens bind to antibodies but by themselves cannot elicit an antibody response. Hapten,Contact-Sensitizing Agents,Agents, Contact-Sensitizing,Contact Sensitizing Agents

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