Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: KEGG:D02003 (NBT)
 1,323 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

107 patients and 27 normal individuals underwent the NBT test, as described by PARK et al., in order to ascertain whether it helps to diagnose a bacterial infection. The patients studied consisted of a group with bacterial infections, and a further group suffering from a variety of internal organic diseases of non-bacterial genesis. At the same time, the absolute leucocyte count, the differential blood count, the erythrocyte sedimentation rate, and the leucocyte phosphatase were evaluated. In 84% of the patients with bacterial infections, the values of the NBT test, which are normally between 3 and 14%, were considerably higher, while the value in patients without bacterial infection was only 4% higher than the normal rate. Neither with the leucocyte count, the erythrocyte sedimentation rate, the deviation to the left, nor with the alkaline leucocyte phosphatase was such accuracy obtainable. It is, however, essential that the methodology is closely observed, as even slight changes during the processing can alter the result. The evaluation of the preparations by an experienced analyst is, of course, prerequisite.
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PMID:[Value of the nitroblue tetrazolium test (NBT) in the clinical diagnosis of bacterial infections]. 56 77

The phagocytic and NBT reduction indices of 94 preterm and underweight babies, divided into 7 groups and two weight classes, were observed over a period of six weeks while they were observed over a period of six weeks while they were given four commercial baby foods (Humana 0, Meb, Multival, Pomil). In all groups the mean values of both parameters were always within the standard range with only slight differences. In all test subjects, phagocytic activity decreased continuously during the first five weeks, and NBT reducing capacity during the first six weeks. Correlations could not be established between phagocytic or NBT reduction rate and birth weight or gestational age. As compared with the other groups there was a distinct lowering of the phagocytic indices in both Meb groups, which we think is nutrition-dependent and can be interpreted as the result of interaction between nutrition and immunological parameters.
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PMID:[Influence of nutrition on the cellular defence mechanism (phagocytosis) of preterm and underweight babies during the first six weeks of life (author's transl)]. 56 30

The effect of PHA-activated mononuclear-cell (MN) supernatants on various polymorphonuclear-leucocyte (PMN) functions were assessed. Treatment of PMN with PHA-activated MN-cell supernatants resulted in greater electrophoretic mobility, indicating an increase in the negative surface charge. PMN directional motility was inhibited in the presence of active supernatants but was not affected by a pulse exposure of the PMN to these supernatants. Neither control nor active supernatants were chemotactic for PMN, but treatment of these cells with active supernatants produced an increase in their phagocytic activity, their ability to reduce NBT and in their glucose oxidation through the hexosemonophosphate shunt. Bactericidal capacity of these PMN was unaltered. Specific loss of leucocyte inhibitory factor (LIF) activity from supernatants of PHA-activated MN cells followed their absorption with PMN cells but not with human MN cells or guinea-pig peritoneal exudate cells. Furthermore, acquired inhibition of migration of the absorbing PMN was observed.
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PMID:The effect of PHA-activated MN-cell supernatants on polymorphonuclear leucocyte function. 58 67

In a boy aged 8 years suffering from chronic granulomatosis of childhood necrotizing pneumonie and small pulmonary tuberculoid granulomas containing filaments of moulds were found at autopsy. Necrotizing leucocytic granulomas were present in the liver, spleen and the lymph nodes. All the organs showed aggregates of histiocytes containing yellowish cytoplasmic deposits of lipogment surrounded by a high acid phosphatase activity. The NBT-reduction leucocytic tests was repeatedly negative in vivo. The activities of NADH- and NADPH-tetrazolium reductase and succinate dehydrogenase in the tissues were histochemically normal.
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PMID:[Chronic granulomatosis in childhood]. 61 26

The description is given of a working method adapted after Park, Fikrig and Smithwick, for testing the capacity of neutrophils to reduce tetrazolium nitroblue salts spontaneously. In contrast to the original technique, the present method uses : 10-20 units indigenous heparin/ml blood, leukocyte concentrate, other reaction times at 37 degrees C, contrast staining with a week Giemsa solution. Applied to young healthy subjects, the mean proportion of NBT-positive neutrophils was of 4.3 +/- 3.09 and the absolute number approximately less than 700/ml blood. The results obtained were consistent with the published data.
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PMID:[Normal values of the spontaneous cytochemical NBT test in adults]. 65 16

A 16-month-old girl of Spanish origin with chronic hemolytic anemia and severe neuromuscular disease was found to have markedly reduced triosephosphate isomerase (TPI) activity in her erythrocytes, leukocytes, and plateletes. Both parents and some other family members had moderately reduced erythrocyte TPI activity in accordance with the autosomal recessive mode of inheritance in this enzymopathy. Latex ingestion and latex-stimulated histochemical NBT reduction by the patient's granulocytes were normal. Zymosan-stimulated superoxide radical (O-.2) formation, not previously studied in TPI-deficient granulocytes, was also within normal limits. Starchgel electrophoresis of TPI in both erythrocytes and leukocytes of the proposita and her parents was normal. Molecular studies of deficient TPI showed a normal kinetic pattern with markedly reduced heat instability. Immunologic studies demonstrated no cross reacting material in proposita leukocytes and a normal molecular specific activity. These studies suggest that molecular instability might cause both enzymatic and antigenic degradation of the TPI molecule and, therefore, TPI deficiency in our patient.
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PMID:Triosephosphate isomerase deficiency with hemolytic anemia and severe neuromuscular disease: familial and biochemical studies of a case found in Spain. 66 2

NBT (Nitroblue Tetrazolium) test was performed in 17 patients with Kawasaki disease to examine the function of phagocytosis and intra-cellular killing of neutrophils. The value was high compared to other pediatric patients. Activation with Proteus OX-2 antigen before NBF test showed a significant higher level than other proteus antigens, which correspond in serum level. With previous electronmicroscopic observation of rickettsia-like body in biopsy specimen, these findings suggest the existence of an agent in Kawasaki disease which shares antigenicity with Proteus OX-2.
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PMID:Function of phagocytosis and intracellular killing of peripheral neutrophils in Kawasaki disease. 67 46

In 51 untreated cases of ulcerative colitis and Crohn's disease some cellular (neutrophil alkaline phosphatase activity, neutrophil NBT reducing capacity, and neutrophil and plasma lysozyme activities) and humoral (serum orosomucoid and serum haptoglobin) indices of disease activity were quantitated. The most pronounced signs of disease activity, thus, were found in severe cases of ulcerative colitis. Combining lysozyme activities with other disease activity indices seems to facilitate the distinction between severe cases of Crohn's disease and ulcerative colitis. Beyond this the addition of the humoral indices seemed not to offer substantial help.
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PMID:Cellular and humoral indices of disease activity in inflammatory bowel disease. 68 Apr 16

The effects of two chemotactic factors, endotoxin activated serm (EAS) and casein and a number of drugs known to affect intracellular cyclic nucleotide levels and various froms of neutrophil movement, on neutrophil anaerobic glycolysis and hexose monophosphate shunt (HMPS) activity were assessed. EAS caused stimulation of glycolysis. HMPS activity and NBT reduction, but casein was without effect on glycolysis and NBT reduction and inhibited HMPS activity. Drug known to increase intracellular cAMP levels caused a depression of HMPS activity whereas those reported to elevate cGMP had a variety of effects. Glycolysis was not affected by any of these agents. These results indicate a lack of relationship between cyclic nucleotide effect on cell motility and neutrophil glycolysis and HMPS activity.
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PMID:The effect of chemotactic factors and agents which influence neutrophil movement on anaerobic glycolysis and hexose monophosphate shunt activity. 68 Jul 98

Intradermal skin testing of normal and psoriatic subjects with common antigens, SKSD, Derm-O and PPD, reveals psoriatic subjects to have a decrease in both the amount (not incidence) of erythema (p less than 0.005) and in-duration (p less 0.005) to SKSD. Among all subjects having more than 10 mm erythema to Derm-O and SKSD, 49% of psoriatic and 77% of normal subjects have more than 10 mm induration (p less than 0.001). After sensitization, the response to 30 microgram challenge dose of dinitrochlorobenzene is positive in 50% of psoriatic and 88% of normal subjects (p less than 0.02). Uptake of (3)H thymidine by mitogen stimulated lymphocytes from psoriatic subjects is suppressed at each point of the linear component of a dose response curve. The mitogen dose to produce peak responses in psoriatics was 125% greater than that for normal subjects. In one-way mixed lymphocyte responses to pooled allogeneic stimulator lymphocytes, peripheral blood mononuclear cells from psoriatic subjects show suppression, the mean stimulation index was 55% of that of normal (p less than 0.01). Finally, in vitro polymorphonuclear leukocyte functions (chemotaxis, phagocytosis, and NBT reduction) appear to be within normal limits. When the foregoing parameters were compared with disease activity, there was no correlation.
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PMID:Inflammatory and immune cell function in psoriasis--a subtle disorder I. In vivo and in vitro survey. 69 Apr 82


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