Search Results - "BIRZNIECE, Vita"

Sex steroids and the GH axis: Implications for the management of hypopituitarism by Birzniece, Vita, MD, PhD, Ho, Ken K.Y., MBBS, FRACP, FRCP (UK), MD

“…Growth hormone (GH) regulates somatic growth, substrate metabolism and body composition. Sex hormones exert profound effect on the secretion and action of GH…”
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Gonadal Steroids and Body Composition, Strength, and Sexual Function in Men by Birzniece, Vita, Schooling, C. Mary, Himmelstein, David U, Woolhandler, Steffie, Schellhammer, Paul F, Malnick, Stephen, Somin, Marina, Goland, Sorel, Finkelstein, Joel S, Yu, Elaine W, Burnett-Bowie, Sherri-Ann M

“…To the Editor: Finkelstein et al. (Sept. 12 issue) 1 conclude that estrogen deficiency induced by an aromatase inhibitor primarily accounts for an increase in…”
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Tamoxifen reduces hepatic VLDL production and GH secretion in women: a possible mechanism for steatosis development by Birzniece, Vita, Barrett, P Hugh R, Ho, Ken K Y

“…Context Growth hormone (GH) stimulates hepatic synthesis of very-low-density lipoproteins (VLDL), whereas hepatic steatosis develops as a result of GH…”
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Testosterone prevents protein loss via the hepatic urea cycle in human by Lam, Teresa, Poljak, Anne, McLean, Mark, Bahl, Neha, Ho, Ken K Y, Birzniece, Vita

“…Context The urea cycle is a rate-limiting step for amino acid nitrogen elimination. The rate of urea synthesis is a true indicator of whole-body protein…”
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The Adverse Effects of Androgen Deprivation Therapy in Prostate Cancer and the Benefits and Potential Anti-oncogenic Mechanisms of Progressive Resistance Training by Lam, Teresa, Birzniece, Vita, McLean, Mark, Gurney, Howard, Hayden, Amy, Cheema, Birinder S.

“…Prostate cancer has the second highest incidence of all cancers amongst men worldwide. Androgen deprivation therapy (ADT) remains a common form of treatment…”
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Androgen deprivation in prostate cancer: benefits of home-based resistance training by Lam, Teresa, Cheema, Birinder, Hayden, Amy, Lord, Stephen R., Gurney, Howard, Gounden, Shivanjini, Reddy, Navneeta, Shahidipour, Haleh, Read, Scott, Stone, Glenn, McLean, Mark, Birzniece, Vita

“…Introduction Androgen deprivation therapy (ADT) has detrimental effects on body composition, metabolic health, physical functioning, bone mineral density (BMD)…”
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Insulin-like growth factor role in determining the anti-cancer effect of metformin: RCT in prostate cancer patients by Birzniece, Vita, Lam, Teresa, McLean, Mark, Reddy, Navneeta, Shahidipour, Haleh, Hayden, Amy, Gurney, Howard, Stone, Glenn, Hjortebjerg, Rikke, Frystyk, Jan

“…Objective Androgen deprivation therapy (ADT), a principal therapy in patients with prostate cancer, is associated with the development of obesity, insulin…”
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A potent liver-mediated mechanism for loss of muscle mass during androgen deprivation therapy by Lam, Teresa, McLean, Mark, Hayden, Amy, Poljak, Anne, Cheema, Birinder, Gurney, Howard, Stone, Glenn, Bahl, Neha, Reddy, Navneeta, Shahidipour, Haleh, Birzniece, Vita

“…Context Androgen deprivation therapy (ADT) in prostate cancer results in muscular atrophy, due to loss of the anabolic actions of testosterone. Recently, we…”
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Hepatic actions of androgens in the regulation of metabolism by Birzniece, Vita

“…The purpose of this review is to summarize recent findings on hepatic actions of androgens in the regulation of protein, lipid and glucose metabolism. The…”
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Pathogenesis in Menstrual Cycle-Linked CNS Disorders by BÄCKSTRÖM, TORBJÖRN, ANDERSSON, AGNETA, ANDREÉ, LOTTA, BIRZNIECE, VITA, BIXO, MARIE, BJÖRN, INGER, HAAGE, DAVID, ISAKSSON, MONICA, JOHANSSON, INGA-MAJ, LINDBLAD, CHARLOTT, LUNDGREN, PER, NYBERG, SIGRID, ÖDMARK, INGA-STINA, STRÖMBERG, JESSICA, SUNDSTRÖM-POROMAA, INGER, TURKMEN, SAHRUH, WAHLSTRÖM, GÖRAN, WANG, MINGDE, WIHLBÄCK, ANNA-CARIN, ZHU, DI, ZINGMARK, ELISABETH

“…: That 3alpha‐hydroxy‐5alpha/beta‐pregnane steroids (GABA steroids) have modulatory effects on the GABA‐A receptor is well known. In behavioral studies in…”
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Growth Hormone Administration: Is It Safe and Effective for Athletic Performance by Birzniece, Vita, MD, PhD, Nelson, Anne E., PhD, Ho, Ken K.Y., FRACP, MD

“…Human growth hormone (GH) is widely abused by athletes; however, there is little evidence that GH improves physical performance. Replacement of GH in GH…”
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The role of hormones and hormonal treatments in premenstrual syndrome by BÄCKSTRÖM, Torbjorn, ANDREEN, Lotta, DI ZHU, BIRZNIECE, Vita, BJÖRN, Inger, JOHANSSON, Inga-Maj, NORDENSTAM-HAGHJO, Maud, NYBERG, Sigrid, SUNDSTRÖM-POROMAA, Inger, WAHLSTRÖM, Goran, MINGDE WANG

“…Premenstrual syndrome (PMS) is a menstrual cycle-linked condition with both mental and physical symptoms. Most women of fertile age experience cyclical changes…”
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Gonadal steroids and body composition, strength, and sexual function in men by Birzniece, Vita

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Exercise and the growth hormone–insulin-like growth factor axis by Birzniece, Vita

“…It is well known that exercise stimulates growth hormone (GH) secretion, suggesting a physiological role of GH in the regulation of physical health. Most…”
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MECHANISMS IN ENDOCRINOLOGY: Paracrine and endocrine control of the growth hormone axis by estrogen by Birzniece, Vita, Ho, Ken K Y

“…There is a strong biological link between the growth hormone (GH) and gonadal systems in growth, development and metabolism; however, regulatory interactions…”
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Decorin, a growth hormone-regulated protein in humans by Bahl, Neha, Stone, Glenn, McLean, Mark, Ho, Ken K Y, Birzniece, Vita

“…Context Growth hormone (GH) stimulates connective tissue and muscle growth, an effect that is potentiated by testosterone. Decorin, a myokine and a connective…”
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Disparate Effect of Aromatization on the Central Regulation of GH Secretion by Estrogens in Men and Postmenopausal Women by Birzniece, Vita, McLean, Mark, Reddy, Navneeta, Ho, Ken K Y

“…Abstract Context Estrogen receptor antagonism by tamoxifen inhibits GH secretion in both men and postmenopausal women, suggesting that estrogen, albeit at low…”
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Plasma biomarker proteins for detection of human growth hormone administration in athletes by Tan, Sock-Hwee, Lee, Albert, Pascovici, Dana, Care, Natasha, Birzniece, Vita, Ho, Ken, Molloy, Mark P., Khan, Alamgir

“…Human growth hormone (GH) is a naturally occurring hormone secreted by the pituitary gland with anabolic and growth-promoting activities. Since an increased…”
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Estrogen receptor antagonism uncovers gender-dimorphic suppression of whole body fat oxidation in humans: differential effects of tamoxifen on the GH and gonadal axes by Birzniece, Vita, Ho, Ken K Y

“…ContextTamoxifen, a selective estrogen receptor modulator, suppresses GH secretion in women but not in men. It increases testosterone levels in men. As GH and…”
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The Effects of Growth Hormone on Body Composition and Physical Performance in Recreational Athletes: A Randomized Trial by MEINHARDT, Udo, NELSON, Anne E, HANSEN, Jennifer L, BIRZNIECE, Vita, CLIFFORD, David, LEUNG, Kin-Chuen, GRAHAM, Kenneth, HO, Ken K. Y

“…Growth hormone is widely abused by athletes, frequently with androgenic steroids. Its effects on performance are unclear. To determine the effect of growth…”
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