نتایج جستجو برای: human calcitonin
تعداد نتایج: 1647951 فیلتر نتایج به سال:
In anesthetized rats we examined whether calcitonin gene-related peptide activated renal pelvic sensory receptors and, if so, whether activation of renal pelvic calcitonin gene-related peptide receptors contributes to the inhibitory renorenal reflex response to renal mechanoreceptor stimulation. Calcitonin gene-related peptide (0.0026, 0.026, 0.26, and 2.6 mumol/L) administered into the renal p...
In a double blind placebo controlled study the effect of calcitonin on gastric emptying and on serum concentrations of gastrin, insulin, glucose, calcium and phosphorus after a mixed solid-liquid meal was examined in eight patients with duodenal ulcer. Synthetic salmon calcitonin 415 pmol iv was given as a bolus followed by a 90 minute infusion to reach an overall dose of 62.25 pmol/kg. Gastric...
A rat medullary thyroid carcinoma cell line, CA-77, has been established as a model system for investigating calcitonin biosynthesis and secretion. Growth of this cell line in serum-free defined medium provided suitable conditions for studying steroid hormone effects on the production of calcitonin and related peptides. After exposure for 5 days to a variety of steroids, only dexamethasone and ...
Decreased bone density, especially in women, is a health risk factor, so the aim of this study was to investigate the effect of a resistance training course with vitamin D supplementation on bone Absorption markers in girls. Methods: The subjects of this semi experimental study were 24 non-athlete girls in Boroujerd (mean age 21.6 ± 2.04 years, mean height 155 ± 5.5 cm and average weight 64.13 ...
Calcitonin, a neuroendocrine peptide, and its receptor are localized in the basal epithelium of benign prostate but in the secretory epithelium of malignant prostates. The abundance of calcitonin and calcitonin receptor mRNA displays positive correlation with the Gleason grade of primary prostate cancers. Moreover, calcitonin increases tumorigenicity and invasiveness of multiple prostate cancer...
An increase in plasma calcitonin concentration is widely regarded as a specific and sensitive indication of underlying medullary thyroid carcinoma (MTC). We present a case in which the association of increased plasma calcitonin concentration and a thyroid nodule was not due to MTC. Subsequent measurement of plasma calcitonin by a variety of methods highlighted the variability that exists in cal...
Calcitonin is usually produced by the parafollicular cells of the thyroid. However in an immunohistochemistry experiment we observed that the cells of the serous acini of rat submaxillary gland tissue were stained positive with calcitonin antibodies. We further used immunocytochemistry and nucleic acid hybridization to localize the distribution of calcitonin protein and calcitonin mRNA respecti...
Men and women differ in thyroidal C-cell mass and calcitonin secretion. This difference may have implications for the definition of calcitonin thresholds to distinguish sporadic C-cell hyperplasia from occult medullary thyroid cancer. This retrospective study examined the hypothesis that gender-specific calcitonin thresholds predict occult medullary thyroid cancer more accurately among patients...
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