Zinc and immunocompetence in the elderly: baseline data on zinc nutriture and immunity in unsupplemented subjects. 1987

J D Bogden, and J M Oleske, and E M Munves, and M A Lavenhar, and K S Bruening, and F W Kemp, and K J Holding, and T N Denny, and D B Louria

Zinc nutriture and immune function were studied in 100 subjects, age 60-89 yr. Mean (+/- SD) zinc concentrations found were 84.8 +/- 15.5 micrograms/dL (13.0 +/- 2.4 microM) for plasma, 1.04 +/- 0.24 micrograms (0.016 +/- 0.004 mumol)/10(9) cells for erythrocytes, 4.06 +/- 1.85 micrograms (0.062 +/- 0.028 mumol)/10(9) cells for mononuclear cells, 3.91 +/- 1.77 micrograms (0.060 +/- 0.027 mumol)/10(9) cells for polymorphonuclear leukocytes, 0.53 +/- 0.39 micrograms (0.0081 +/- 0.0060 mumol)/10(9) cells for platelets, and 222 +/- 101 micrograms (3.39 +/- 1.54 mumol)/g for hair. Zinc ingestion was below the RDA in more than 90% of study subjects. The incidence of anergy to a panel of seven skin test antigens was 41%; responses to these antigens were significantly associated with the plasma zinc concentration. Subjects with depressed lymphocyte responses to mitogens had significantly lower platelet and significantly higher mononuclear cell zinc concentrations than those with normal responses.

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
D008297 Male Males
D009000 Monocytes Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into the BLOOD; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles. Monocyte
D009504 Neutrophils Granular leukocytes having a nucleus with three to five lobes connected by slender threads of chromatin, and cytoplasm containing fine inconspicuous granules and stainable by neutral dyes. LE Cells,Leukocytes, Polymorphonuclear,Polymorphonuclear Leukocytes,Polymorphonuclear Neutrophils,Neutrophil Band Cells,Band Cell, Neutrophil,Cell, LE,LE Cell,Leukocyte, Polymorphonuclear,Neutrophil,Neutrophil Band Cell,Neutrophil, Polymorphonuclear,Polymorphonuclear Leukocyte,Polymorphonuclear Neutrophil
D009751 Nutritional Requirements The amounts of various substances in food needed by an organism to sustain healthy life. Dietary Requirements,Nutrition Requirements,Dietary Requirement,Nutrition Requirement,Nutritional Requirement,Requirement, Dietary,Requirement, Nutrition,Requirement, Nutritional,Requirements, Dietary,Requirements, Nutrition,Requirements, Nutritional
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D004032 Diet Regular course of eating and drinking adopted by a person or animal. Diets
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
D006197 Hair A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body. Fetal Hair,Hair, Fetal,Lanugo,Fetal Hairs,Hairs,Hairs, Fetal

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