Depressed natural killer cell activity in children with protein--calorie malnutrition. II. Correction of the impaired activity after nutritional recovery. 1983

L S Salimonu, and E Ojo-Amaize, and A O Johnson, and A A Laditan, and O A Akinwolere, and H Wigzell

Natural killer (NK) cell activity and responsiveness to interferon (IFN) were measured in the peripheral blood of infants having kwashiorkor or marasmus and of nutritionally recovered malnourished children. Depression of NK activity in the peripheral blood lymphocytes (PBLs) of the malnourished children was noted, while normal levels of activity were observed in the nutritionally recovered infants. Addition of exogeneous interferon in vitro potentiated the NK levels of PBLs from well-nourished and nutritionally recovered infants, but had either a nonsignificant impact on cells from the marasmic infants or a suppressive effect on the cells from infants with kwashiorkor. The success of exogenous interferon to potentiate the NK levels of PBLs from nutritionally recovered infants suggests that nutritional repletion corrects the impaired cellular responsiveness in these patients.

UI MeSH Term Description Entries
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D007223 Infant A child between 1 and 23 months of age. Infants
D007370 Interferon Type I Interferon secreted by leukocytes, fibroblasts, or lymphoblasts in response to viruses or interferon inducers other than mitogens, antigens, or allo-antigens. They include alpha- and beta-interferons (INTERFERON-ALPHA and INTERFERON-BETA). Interferons Type I,Type I Interferon,Type I Interferons,Interferon, Type I,Interferons, Type I
D007694 Killer Cells, Natural Bone marrow-derived lymphocytes that possess cytotoxic properties, classically directed against transformed and virus-infected cells. Unlike T CELLS; and B CELLS; NK CELLS are not antigen specific. The cytotoxicity of natural killer cells is determined by the collective signaling of an array of inhibitory and stimulatory CELL SURFACE RECEPTORS. A subset of T-LYMPHOCYTES referred to as NATURAL KILLER T CELLS shares some of the properties of this cell type. NK Cells,Natural Killer Cells,Cell, NK,Cell, Natural Killer,Cells, NK,Cells, Natural Killer,Killer Cell, Natural,NK Cell,Natural Killer Cell
D007732 Kwashiorkor A syndrome produced by severe protein deficiency, characterized by retarded growth, changes in skin and hair pigment, edema, and pathologic changes in the liver, including fatty infiltration, necrosis, and fibrosis. The word is a local name in Gold Coast, Africa, meaning "displaced child". Although first reported from Africa, kwashiorkor is now known throughout the world, but mainly in the tropics and subtropics. It is considered to be related to marasmus. (From Dorland, 27th ed) Kwashiorkors
D008297 Male Males
D011502 Protein-Energy Malnutrition The lack of sufficient energy or protein to meet the body's metabolic demands, as a result of either an inadequate dietary intake of protein, intake of poor quality dietary protein, increased demands due to disease, or increased nutrient losses. Marasmus,Protein-Calorie Malnutrition,Malnutrition, Protein-Calorie,Malnutrition, Protein-Energy,Malnutritions, Protein-Energy,Protein Calorie Malnutrition,Protein Energy Malnutrition
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003602 Cytotoxicity, Immunologic The phenomenon of target cell destruction by immunologically active effector cells. It may be brought about directly by sensitized T-lymphocytes or by lymphoid or myeloid "killer" cells, or it may be mediated by cytotoxic antibody, cytotoxic factor released by lymphoid cells, or complement. Tumoricidal Activity, Immunologic,Immunologic Cytotoxicity,Immunologic Tumoricidal Activities,Immunologic Tumoricidal Activity,Tumoricidal Activities, Immunologic
D005260 Female Females

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