Oxidative activity of polymorphonuclear leukocytes after thermal injury. 1989

M K Dobke, and E A Deitch, and T J Harnar, and C R Baxter
Department of Surgery, Texas Tech University Health Sciences Center, Lubbock.

Since defects in polymorphonuclear neutrophil (PMN) function are associated with an increased risk of infection, we measured the metabolic response of neutrophils from 23 burn patients with a mean burn size of 52%. Neutrophils from burn patients had a different pattern of oxygen consumption than control cells; the rate of QO2 at rest was higher, while the magnitude of the respiratory burst was lower in patient than in control PMNs, depending on whether the cells were incubated in media or normal serum. The burn-induced changes in patient PMN metabolism seem to be due to circulating factors, at least in part, since the pattern of increased resting and decreased stimulated QO2 could be transferred to control cells by incubating them in burn serum. Thus, a thermal injury alters neutrophil metabolism as well as systemic metabolism.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
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
D009895 Opsonin Proteins Proteins that bind to particles and cells to increase susceptibility to PHAGOCYTOSIS, especially ANTIBODIES bound to EPITOPES that attach to FC RECEPTORS. COMPLEMENT C3B may also participate. Opsonin,Opsonin Protein,Opsonins,Protein, Opsonin
D010101 Oxygen Consumption The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346) Consumption, Oxygen,Consumptions, Oxygen,Oxygen Consumptions
D002056 Burns Injuries to tissues caused by contact with heat, steam, chemicals (BURNS, CHEMICAL), electricity (BURNS, ELECTRIC), or the like. Burn
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D015054 Zymosan Zymosan A

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