Search Results - "Posillico, James T."

Serum parathyroid hormone (PTH) in pregnant women determined by an immunoradiometric assay for intact PTH by Davis, O K, Hawkins, D S, Rubin, L P, Posillico, J T, Brown, E M, Schiff, I

“…Most studies of circulating PTH levels using traditional RIAs have supported the concept of physiological hyperparathyroidism of pregnancy, with pregnant women…”
Get more information

Circulating levels of biologically active and immunoreactive intact parathyroid hormone in human newborns by RUBIN, L. P, POSILLICO, J. T, ANAST, C. S, BROWN, E. M

“…We evaluated circulating levels of biologically active and immunoreactive intact parathyroid hormone [iPTH-(1-84)] in 47 newborns at birth and eight…”
Get full text

Identification of a cDNA Encoding a Parathyroid Hormone-Like Peptide from a Human Tumor Associated with Humoral Hypercalcemia of Malignancy by Mangin, Marguerite, Webb, Andrew C., Dreyer, Barbara E., Posillico, James T., Ikeda, Kyoji, Weir, Eleanor C., Stewart, Andrew F., Bander, Neil H., Milstone, Leonard, Barton, David E., Francke, Uta, Broadus, Arthur E.

“…Humoral hypercalcemia of malignancy is a common paraneoplastic syndrome that appears to be mediated in many instances by a parathyroid hormone-like peptide…”
Get full text

Monoclonal antibody-mediated modulation of parathyroid hormone secretion by dispersed parathyroid cells by Posillico, J T, Wilson, R E, Srikanta, S S, Eisenbarth, G S, Letarte, M, Quackenbush, E J, Quaranta, V, Kajaji, S, Brown, E M

“…Available data suggest that ionized calcium may interact with a cell surface "sensor" or "receptor" to produce changes in one or more intracellular second…”
Get more information

A multicenter, randomized, double-blind trial of somatostatin in the management of acute hemorrhage from esophageal varices by Valenzuela, J E, Schubert, T, Fogel, M R, Strong, R M, Levine, J, Mills, P R, Fabry, T L, Taylor, L W, Conn, H O, Posillico, J T

“…A prospective, randomized, placebo-controlled, double-blind, multicenter clinical trial of intravenous somatostatin (Stilamin; Serono Laboratories, Inc.,…”
Get more information

Parathyroid cell surface autoantibodies that inhibit parathyroid hormone secretion from dispersed human parathyroid cells by Posillico, James T., Wortsman, Jacobo, Srikanta, Sath, Eisenbarth, George S., Mallette, Lawrence E., Brown, Edward M.

“…Serum autoantibodies directed toward antigenic determinants on the surface of human parathyroid cells (PTAb‐CS) have been demonstrated in a subset (8 of 23) of…”
Get full text

The calcium channel blocker diltiazem lowers serum parathyroid hormone levels in vivo and in vitro by Seely, E W, LeBoff, M S, Brown, E M, Chen, C, Posillico, J T, Hollenberg, N K, Williams, G H

“…PTH secretion is inversely related to the extracellular and cytosolic calcium (Ca2+) concentrations and, therefore, might be affected by calcium channel…”
Get more information

Effects of extracellular calcium and magnesium on cytosolic calcium concentration in fura‐2‐loaded bovine parathyroid cells by Chen, Chu J., Anast, Constantine S., Posillico, James T., Brown, Edward M.

“…A newly developed calcium‐sensitive dye, Fura‐2, was employed in dispersed bovine parathyroid cells to study the effects of extracellular calcium and magnesium…”
Get full text

FETAL AND NEONATAL PARATHYROID GLAND FUNCTION: USE OF THE CYTOCHEMICAL BIOASSAY TO DETERMINE CIRCULATING LEVELS OF BIOLOGICALLY ACTIVE PTH (bioPTH) IN NORMAL AND HYPOCALCEMIC NEONATES by Rubin, Lewis P, Posillico, James T, Caplan, Allison I, Brown, Edward M

Get full text

Hypoparathyroidism after I-131 therapy with subsequent return of parathyroid function by Burch, W M, Posillico, J T

“…A 22-year-old woman developed hypoparathyroidism in 1970, 10 months after treatment of hyperthyroidism with I-131. The hypocalcemia was corrected with Vitamin…”
Get more information

Primary hyperparathyroidism with low serum 1,25-dihydroxyvitamin D levels by Wortsman, J, Haddad, J G, Posillico, J T, Brown, E M

“…Primary hyperparathyroidism is usually associated with normal or elevated serum 1,25-dihydroxyvitamin D [1,25-(OH)2D] levels. We report a patient with extreme…”
Get more information

Cytochemical bioassay of circulating concentrations of rat parathyroid hormone: Application to a study of age and sex by Peng, Tai‐Chan, Garner, Sanford C., Hirsch, Philip F., Posillico, James T.

“…We have found that the cytochemical bioassay (CBA) method, originally developed to measure circulating levels of biologically active parathyroid hormone…”
Get full text

Case 34-1987

Get more information

Microinjected Xenopus oocytes secrete mature, biologically active parathyroid hormone by Ikeda, K, Posillico, J T, Boyle, M B, Webb, A C, Brown, E M, Broadus, A E

“…Xenopus oocytes have been shown to faithfully translate, process, and secrete a number of secretory proteins after the injection of heterologous mRNAs. The…”
Get more information

Secretory control in normal and abnormal parathyroid tissue by Brown, E M, LeBoff, M S, Oetting, M, Posillico, J T, Chen, C

Get more information

Ouabain and low extracellular potassium inhibit PTH secretion from bovine parathyroid cells by a mechanism that does not involve increases in the cytosolic calcium concentration by Brown, E M, Watson, E J, Thatcher, J G, Koletsky, R, Dawson-Hughes, B F, Posillico, J T, Shoback, D M

“…We have previously found that high extracellular calcium (Ca++) concentrations inhibit PTH release in association with a threefold to fourfold rise in…”
Get more information