Search Results - "Barkey, Ronnie"

Regulation of growth hormone receptors in human prostate cancer cell lines by Bidosee, Maslama, Karry, Rachel, Weiss-Messer, Esther, Barkey, Ronnie J.

“…We previously demonstrated the gene expression of two growth hormone (GH) receptor (GHR) isoforms in prostate cancer (PCa) patient tissues and human PCa cell…”
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Leptin signaling and apoptotic effects in human prostate cancer cell lines by Samuel-Mendelsohn, Sigal, Inbar, Michal, Weiss-Messer, Esther, Niv-Spector, Leonora, Gertler, Arieh, Barkey, Ronnie J.

“…BACKGROUND Prostate cancer (PCa) progression is often associated with transactivation of the androgen receptor (AR) by endogenous hormones/growth factors. One…”
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Growth hormone (GH) receptors in prostate cancer: gene expression in human tissues and cell lines and characterization, GH signaling and androgen receptor regulation in LNCaP cells by Weiss-Messer, Esther, Merom, Osnat, Adi, Ayala, Karry, Rachel, Bidosee, Maslama, Ber, Rosalie, Kaploun, Alexander, Stein, Avi, Barkey, Ronnie J

“…Various hormones and growth factors have been implicated in progression of prostate cancer, but their role and the underlying molecular mechanism(s) involved…”
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Characterization and regulation of prolactin receptors in MA-10 Leydig cells by Weiss-Messer, Esther, Ber, Rosalie, Amit, Tamar, Barkey, Ronnie J

“…The aim of this study is to further characterize the prolactin receptors (PRL-R) previously reported in the murine Leydig tumor MA-10 cell line, as well as to…”
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The effect of human growth hormone therapy on GH binding protein in GH-deficient children by Hochberg, Z, Barkey, R J, Even, L, Peleg, I, Youdim, M B, Amit, T

“…Previous studies have described the close similarity of the GH binding protein to the liver membrane GH receptor. Since GH regulates its own liver receptors,…”
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OR02-5 GROWTH HORMONE INDUCES APOPTOSIS AND ANDROGEN RECEPTOR REGULATION AND ACTIVATES COMMON SIGNALING PATHWAYS WITH LEPTIN IN HUMAN PROSTATE CANCER by Barkey, Ronnie J, Bettman, Noam, Inbar, Michal, Weiss-Messer, Esther, Ben-Avraham, Gila, Gertler, Arieh

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Prolactin and MA-10 Leydig cell steroidogenesis: biphasic effects of prolactin and signal transduction by Weiss-Messer, E, Ber, R, Barkey, R J

“…The present investigation was designed to study the direct role of PRL on testicular Leydig cell steroidogenesis, using the MA-10 murine Leydig tumor cell line…”
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A new and convenient assay of growth hormone-binding protein activity in human serum by Amit, T, Barkey, R J, Youdim, M B, Hochberg, Z

“…The recent discovery of a GH-binding protein (GH-BP) in human serum has important implications for the distribution, metabolism, and physiological activity of…”
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Growth hormone- and prolactin-binding proteins in mammalian serum by Amit, T, Hochberg, Z, Waters, M J, Barkey, R J

“…The present study was undertaken to characterize the species specificity and diversity of lactogenic and somatogenic binding to serum among mammals and to…”
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Growth hormone (GH)-binding protein regulation by estrogen, progesterone, and gonadotropins in human: the effect of ovulation induction with menopausal gonadotropins, GH, and gestation by Blumenfeld, Z, Barkey, R J, Youdim, M B, Brandes, J M, Amit, T

“…The recently described serum GH-binding protein (GH-BP) may reflect the GH-receptor level. To assess the serum GH-BP levels under various physiological and…”
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The interrelationship of growth hormone (GH), liver membrane GH receptor, serum GH-binding protein activity, and insulin-like growth factor I in the male rat by Bick, T, Amit, T, Barkey, R J, Hertz, P, Youdim, M B, Hochberg, Z

“…Indirect evidence suggests that the serum GH-binding protein (GH-BP) is related and possibly derived from the GH-receptor. GH, through its specific receptor,…”
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Identification of growth hormone binding protein in rat serum by Amit, T, Barkey, R J, Bick, T, Hertz, P, Youdim, M B, Hockberg, Z

“…The present report describes the initial characterization of a specific, high-affinity growth hormone binding protein (GH-BP) in adult male rat serum. GH-BP…”
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The Hep G2 cell line in the study of growth hormone receptor/binding protein by Amit, T, Hacham, H, Daily, O, Hertz, P, Barkey, R J, Hochberg, Z

“…This study identifies specific, high affinity GH-receptors (GH-R) in human hepatoma Hep G2 cells. The binding characteristics of GH-R in the Hep G2 cells are…”
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Synergistic effect of growth hormone and gonadotropins in achieving conception in "clonidine-negative" patients with unexplained infertility by Blumenfeld, Z, Amit, T, Barkey, R J, Lunenfeld, B, Brandes, J M

“…Based on preliminary reports by others and by us of a potentiating effect of growth hormone (GH) on human menopausal gonadotropin (hMG)-induced ovulation, a…”
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Prolactin and testicular Leydig cell function: characterization of prolactin receptors in the murine MA-10 testicular Leydig cell line by Barkey, R J, Weiss-Messer, E, Hacham, H, Herscovich, S, Ber, R, Amit, T

“…The direct role of prolactin (PRL) in testicular function is still unclear, mostly because of lack of a suitable in vitro model. To establish the suitability…”
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Effect of human growth hormone (GH)-binding protein in human serum on GH binding to rabbit liver membranes by Amit, T, Barkey, R J, Youdim, M B, Hochberg, Z

“…The sequence identity of growth hormone-binding protein (GH-BP) with the extracellular domain of GH receptors raised the possibility that circulating GH-BP…”
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Modulation of human growth hormone binding to somatogenic and lactogenic receptors by monoclonal antibodies to human growth hormone by Amit, T, Barkey, R J, Youdim, M B, Hochberg, Z

“…The relationship between the structure of human growth hormone (hGH) and the hormone-receptor interaction was investigated by studying the effects of specific…”
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Prolactin differentially affects bacterial toxin-induced ADP-ribosylation of Nb2 lymphoma cell membrane proteins by Barkey, R J, Calvo, J C, Dufau, M L

“…Exposure of lactogen-dependent Nb2 lymphoma cells to prolactin for up to 72 hr caused time- and dose-dependent changes in the ability of specific 38 kDa and…”
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Anti-idiotypic antibodies as probes of prolactin receptor by Youdim, M B, Barkey, R J, Amit, T, Guy, J

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Increased hepatic and reduced prostatic prolactin (PRL) binding in iron deficiency and during neuroleptic treatment: correlation with changes in serum PRL and testosterone by Barkey, R J, Ben-Shachar, D, Amit, T, Youdim, M B

“…Iron deficiency (ID) induced in 21 day old male rats for 28 days caused a 7 fold increase in hepatic prolactin (PRL)-specific binding and a parallel 3 fold…”
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