Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.2.1.31 (beta-glucuronidase)
 7,680 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We investigated the changes in polymorphonuclear leukocyte (PMN) subpopulations that accompany severe bacterial infection and examined their usefulness as a parameter for assessing the severity of infection. The Percoll density gradient was used to fractionate neutrophils into subpopulations of high density (1.09-1.10), intermediate density (1.08-1.09), and low density (1.07-1.08) with the majority of neutrophils from normal volunteers being of high density. By contrast, neutrophils from infected patients were of intermediate or low density, while those from severely infected patients showed a high percentage of the low density fraction with functional changes in lower chemotactic and beta-gulcuronidase activity. When each density subpopulation in the normal blood neutrophils was tested, low density PMNs had the lowest chemotaxis and minimal beta-glucuronidase activity. These results indicate that the increase in low density PMNs in patients with severe infection clearly reflects the functional impairment of PMNs. Flow cytometric analysis demonstrated that the neutrophils from severely infected patients had an decrease in CD10 expression. The percentage of CD10 positive PMNs correlated well with the severity of infection and with the clinical course of the patients. Thus, we conclude that PMN-density and CD10 expression change during severe bacterial infection, and that the measurement of PMN-subpopulations may be used to complement the clinical assessment of the severity of infections.
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PMID:The increase of low density subpopulations and CD10 (CALLA) negative neutrophils in severely infected patients. 139 43

The immunophenotypes of acute lymphoblastic leukemia (ALL) in 28 Thai children were studied by the APAAP technique using a panel of eight specific monoclonal antibodies: HLA-DR, CD 19, CALLA (CD 10), IgM, CD 7, CD 3, CD 4, and CD 8. Sixty-eight, 18, 3.5, 3.5, and 7 per cent were respectively shown to be common, null, pre-B, B, and mature thymocyte T subtypes. Cytochemical reactions (beta-glucuronidase, alpha naphthyl acetate esterase, and acid phosphatase) in this study could identify null, common, and T ALLs with confidence, and could be used in the process of ALL subtyping to reduce cost.
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PMID:Immunophenotype and cytochemical reactions of acute lymphoblastic leukemia in Thai children. 140 68