Expression ofL-histidine decarboxylase in granules of elicited mouse polymorphonuclear leukocytes
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چکیده
منابع مشابه
Origin of Granules in Polymorphonuclear Leukocytes
The origin, nature, and distribution of polymorphonuclear leukocyte (PMN) granules were investigated by examining developing granulocytes from normal rabbit bone marrow which had been fixed in glutaraldehyde and postfixed in OsO(4). Two distinct types of granules, azurophil and specific, were distinguished on the basis of their differences in size, density, and time and mode of origin. Both typ...
متن کاملThe regulation of histidine decarboxylase gene expression.
Histamine is a biogenic amine, which is involved in a variety of biologic processes comprising inflammation, allergic responses, neurotransmission and regulation of gastric acid secretion. The key enzyme for the generation of histamine is histidine decarboxylase (HDC), which converts the amino acid L-histidine to histamine. In this article, we review the history, biochemistry and molecular biol...
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Complete protection of Staphylococcus aureus Wood 46 from gentamicin bactericidal activity was documented for microorganisms located within polymorphonuclear leukocytes. The highest, still ineffective gentamicin concentration tested in the phagocytic assay was 80 times higher than the minimal concentration required to kill uningested organisms. Extracellular gentamicin activity was unaffected b...
متن کاملDifferences in Enzyme Content of Azurophil and Specific Granules of Polymorphonuclear Leukocytes
Histochemical procedures for PMN granule enzymes were carried out on smears prepared from normal rabbit bone marrow, and the smears were examined by light microscopy. For each of the enzymes tested, azo dye and heavy metal techniques were utilized when possible. The distribution and intensity of each reaction were compared to the distribution of azurophil and specific granules in developing PMN...
متن کاملAssociation of lactoferrin with lysozyme in granules of human polymorphonuclear leukocytes.
Lactoferrin is contained in cytoplasmic granules of human polymorphonuclear leukocytes. Upon centrifugation, it sediments in a band of granules that also contain 50% of the lysozyme activity. This granule class is distinct from others associated with alkaline phosphatase and peroxidase. The granules are latent for lactoferrin as only lysed granules have the capacity specifically to inhibit anti...
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ژورنال
عنوان ژورنال: European Journal of Immunology
سال: 2004
ISSN: 0014-2980,1521-4141
DOI: 10.1002/eji.200324636