نتایج جستجو برای: secretory product
تعداد نتایج: 307146 فیلتر نتایج به سال:
Pulmonary host defense employs a combination of biochemical and biophysical activities to recognize, inactivate, and mediate clearance of environmental agents as well as modulate the overall response to such challenge. Dysregulation of the inflammatory arm of this response is associated with chronic lung diseases (CLD) including cystic fibrosis and chronic obstructive lung disease. Although mec...
The oral disposition index, the product of the early insulin secretory response during an oral glucose tolerance test and insulin sensitivity, is used widely for both the prediction of, and evaluation of the response to interventions, in type 2 diabetes. Gastric emptying, which determines small intestinal exposure of nutrients, modulates postprandial glycemia. The aim of this study was to deter...
background: this study was designed to evaluate whether or not t. gondii and its derivatives can change the gene expression level of il-10 in murine leukocytes in vivo. methods: fifty balb/c mice were divided into 5 groups, four of which received the excretory/secretory product (esp) from cell culture medium, the esp from cell free medium, the toxoplasma lysate product (tlp) and the active ta...
The bovine exocrine pancreatic cell produces a variety of enzymes and proenzymes for export. Biochemical studies by Greene L.J., C.H. Hirs, and G.E. Palade (J. Biol. Chem. 1963. 238:2054) have shown that the mass proportions of several of these proteins in resting pancreatic juice and zymogen granule fractions are identical. In this study we have used immunocytochemical techniques at the electr...
In this report, we describe the purification of a novel protease with dual biological actions from germ cell-conditioned medium (GCCM) where germ cells were isolated from adult rat testes using a mechanical procedure. Using multiple HPLC columns and two sequential high performance electrophoresis chromatography steps in association with an [125I]-collagen film assay to detect protease activity,...
The thymus was examined in suckling mice during normal development and the involution and regeneration produced by injection of cortisol, in experiments designed to test the hypothesis that medullary epithelial cells secrete a ymphopoietic hormone responsible for controlling the magnitude of thymic lymphopoiesis. Cellular events were observed by light and electron microscopy. Lymphopoiesis was ...
The binding of human secretory immunoglobulin A (SIgA), the primary immunoglobulin in the gut, to Escherichia coli is thought to be dependent on type 1 pili. Type 1 pili are filamentous bacterial surface attachment organelles comprised principally of a single protein, the product of the fimA gene. A minor component of the pilus fiber (the product of the fimH gene, termed the adhesin) mediates a...
The formation and fate of apical endocytic vesicles in resting and isoproterenolstimulated rat parotid acinar cells were studied using luminally administered horseradish peroxidase (HRP) to mark the vesicles. The tracer was taken up from the lumen by endocytosis in small, smooth-surfaced "c"or ring-shaped vesicles. About 1 h after H R P administration the vesicles could be found adjacent to the...
The formation and fate of apical endocytic vesicles in resting and isoproterenol-stimulated rat parotid acinar cells were studied using luminally administered horseradish peroxidase (HRP) to mark the vesicles. The tracer was taken up from the lumen by endocytosis in small, smooth-surfaces "c"- or ring-shaped vesicles. About 1 h after HRP administration the vesicles could be found adjacent to th...
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