Cytochemical Bioassay of Parathyroid Hormone
نویسندگان
چکیده
منابع مشابه
Cytochemical bioassay of parathyroid hormone in maternal and cord blood.
Parathyroid hormone and calcium were measured in plasma taken from pregnant women at term and from the umbilical veins of their infants at birth. Three assays were used to measure parathyroid hormone, a cytochemical bioassay of bioactivity and two immunoradiometric assays, one specific for the amino terminus, the other specific for the carboxy terminus of the parathyroid hormone molecule. Plasm...
متن کاملCytochemical bioassay of parathyroid hormone: characteristics of the assay and analysis of circulating hormonal forms.
A cytochemical bioassay for parathyroid hormone (PTH) was used for the characterization of the biological activity of circulating forms of the hormone. PTH-stimulated glucose-6-phosphate dehydrogenase activity in distal convoluted tubule cells was quantitated by integrating microdensitometry and the response to native bovine (b)PTH(1-84) was found to be linear between graded doses of hormone fr...
متن کاملThe cytochemical bioassay of polypeptide hormones.
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متن کاملParathyroid hormone without parathyroid glands.
In mammals, PTH is a component in a complex signaling system involving three structurally related ligands and two G protein-coupled receptors, which share significant amino acid sequence homology (Fig. 1). PTH is a peptide hormone comprising 84 amino acids that is made by the parathyroid glands (and to a much smaller extend by the thymus) and acts through the PTH/PTH-related peptide (PTHrP) rec...
متن کاملCytochemical bioassay and radioimmunoassay of ACTH in noise stressed rats.
Serum corticosterone and ACTH levels were measured in rats subjected to one and two 30 min intervals of noise (100 dB, 250--20,000 Hz). Both hormones were elevated immediately after noise exposure, dropped below pre-exposure levels after a 2 hr recovery interval and were again elevated with a second exposure. The ratio of immunoactive to bioactive ACTH was slightly depressed after one exposure ...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1980
ISSN: 0021-9738
DOI: 10.1172/jci109794