Search Results - "Blackman, M R."

Free testosterone and risk for Alzheimer disease in older men by MOFFAT, S. D, ZONDERMAN, A. B, METTER, E. J, KAWAS, C, BLACKMAN, M. R, HARMAN, S. M, RESNICK, S. M

“…To investigate the relationships between age-associated decreases in endogenous serum total testosterone (T) and a free T index (FTI) in men and the subsequent…”
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Growth hormone and sex steroid effects on bone metabolism and bone mineral density in healthy aged women and men by Christmas, Colleen, O'Connor, Kieran G, Harman, S Mitchell, Tobin, Jordan D, Münzer, Thomas, Bellantoni, Michele F, Clair, Carol St, Pabst, Katharine M, Sorkin, John D, Blackman, Marc R

“…Aging is associated with concomitant declines in activity of the growth hormone (GH) and gonadal steroid axes, and in bone mineral density (BMD), in both…”
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Age-Related Alterations in Sleep Quality and Neuroendocrine Function: Interrelationships and Implications by Blackman, Marc R

“…Blackman considers the results of recent research by Van Cauter et al into age-related effects of sleep quality in men. In healthy men, there are distinctly…”
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Effects of oral versus transdermal estrogen on the growth hormone/insulin-like growth factor I axis in younger and older postmenopausal women : A clinical research center study by BELLANTONI, M. F, VITTONE, J, CAMPFIELD, A. T, BASS, K. M, HARMAN, S. M, BLACKMAN, M. R

“…To compare the effects of oral vs. transdermal estrogens on GH secretion and levels of circulating insulin-like growth factor I (IGF-I) and IGF-binding…”
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Serum Levels of Insulin-like Growth Factor-I Are Related to Age and Not to Body Composition in Healthy Women and Men by O'Connor, Kieran G., Tobin, Jordan D., Harman, S. Mitchell, Plato, Chris C., Roy, Tracey A., Sherman, Sheryl S., Blackman, Marc R.

“…Background. Aging is accompanied by decreased bone and lean body mass, increased fat mass, and reduced growth hormone (GH) axis function, reflected in…”
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Testosterone, growth hormone and IGF-I responses to acute and chronic resistive exercise in men aged 55-70 years by Nicklas, B J, Ryan, A J, Treuth, M M, Harman, S M, Blackman, M R, Hurley, B F, Rogers, M A

“…We investigated the responses of serum testosterone (T) and human growth hormone (hGH) concentrations to a bout of heavy resistive exercise and the responses…”
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Enhanced endothelial vasoreactivity in endurance-trained older men by Rywik, Tomasz M, Blackman, Marc R, Yataco, Alberto R, Vaitkevicius, Peter V, Zink, Richard C, Cottrell, Ernest H, Wright, Jeanette G, Katzel, Leslie I, Fleg, Jerome L

“…1  Laboratory of Cardiovascular Science, Gerontology Research Center, National Institute on Aging, Baltimore, Maryland 21224; 2  II Department of Valvular…”
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Human growth hormone and human aging by Corpas, E, Harman, S M, Blackman, M R

“…In humans, both aging and GH deficiency are associated with reduced protein synthesis, decreased lean body and bone mass, and increased percent body fat. In…”
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Serum hormones in men with human immunodeficiency virus-associated wasting by DOBS, A. S, FEW, W. L, BLACKMAN, M. R, HARMAN, S. M, HOOVER, D. R, GRAHAM, N. M. H

“…Weight loss is commonly associated with increased morbidity and mortality in individuals with human immunodeficiency virus (HIV) infection. We performed a…”
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The Relationship Between Aerobic Exercise Capacity and Circulating IGF-1 Levels In Healthy Men and Women by Haydar, Ziad R., Blackman, Marc R., Tobin, Jordan D., Wright, Jeanette G., Fleg, Jerome L.

“…OBJECTIVES: To determine whether aerobic capacity is associated independently with insulin‐like growth factor‐I (IGF‐1) levels in healthy community‐dwelling…”
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Spontaneous and glucocorticoid-inhibited adrenocorticotropic hormone and cortisol secretion are similar in healthy young and old men by Waltman, C, Blackman, M R, Chrousos, G P, Riemann, C, Harman, S M

“…We investigated the effects of age on pituitary-adrenocortical function in healthy young (21-38 yr, n = 11) vs. old (66-78 yr, n = 11) men by drawing frequent…”
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Male Fischer 344/N rats show a progressive central impairment of the hypothalamic-pituitary-adrenal axis with advancing age by Cizza, G, Calogero, A E, Brady, L S, Bagdy, G, Bergamini, E, Blackman, M R, Chrousos, G P, Gold, P W

“…We investigated the effects of aging on the regulation of hypothalamic-pituitary-adrenal function and hippocampal steroid receptors in a series of in vivo and…”
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Effects of progestin-opposed transdermal estrogen administration on growth hormone and insulin-like growth factor-I in postmenopausal women of different ages by Bellantoni, M F, Harman, S M, Cho, D E, Blackman, M R

“…Prior studies in women have shown a positive correlation of endogenous estrogen levels with spontaneous and stimulated GH secretion and basal insulin-like…”
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Serum levels of insulin-like growth factor I (IGF-I), IGF-II, IGF-binding protein-3, and prostate-specific antigen as predictors of clinical prostate cancer by HARMAN, S. Mitchell, METTER, E. Jeffrey, BLACKMAN, Marc R, LANDIS, Patricia K, CARTER, H. Ballentine

“…Insulin-like growth factors (IGFs) may play a role in prostate growth, hyperplasia, and malignancy. High plasma IGF-I has been associated with increased…”
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Effects of single nightly injections of growth hormone—releasing hormone (GHRH 1–29) in healthy elderly men by Vittone, Janet, Blackman, Marc R., Busby-Whitehead, Jan, Tsiao, Chris, Stewart, Kerry J., Tobin, Jordan, Stevens, Tom, Bellantoni, Michele F., Rogers, Marc A., Baumann, Gerhard, Roth, Jesse, Harman, S.Mitchell, Spencer, Richard G.S.

“…Age-related reductions in growth hormone (GH) and insulin-like growth factor-I (IGF-I) may contribute to decreased muscle mass and strength in older persons…”
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Monoamine oxidase-A is a major target gene for glucocorticoids in human skeletal muscle cells by Manoli, Irini, Le, Hanh, Alesci, Salvatore, McFann, Kimberly K, Su, Yan A, Kino, Tomoshige, Chrousos, George P, Blackman, Marc R

“…ABSTRACTSkeletal myopathy is a common complication of endogenous and exogenous glucocorticoid excess, yet its pathogenetic mechanisms remain unclear. There is…”
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Pituitary hormones and aging by Blackman, M R

“…This article reviews the reported effects of aging on pituitary structure and function in man…”
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Effects of GH and/or sex steroid administration on abdominal subcutaneous and visceral fat in healthy aged women and men by MÜNZER, Thomas, HARMAN, S. Mitchell, SORKIN, John D, BLACKMAN, Marc R, HEES, Paul, SHAPIRO, E. D, CHRISTMAS, Colleen, BELLANTONI, Michele F, STEVENS, Thomas E, O'CONNOR, Kieran G, PABST, Katherine M, CLAIR, Carol St

“…Aging is associated with reduced GH, IGF-I, and sex steroid axis activity and with increased abdominal fat. We employed a randomized, double-masked,…”
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Responses of plasma adrenocorticotropin, cortisol, and dehydroepiandrosterone to ovine corticotropin-releasing hormone in healthy aging men by Pavlov, E P, Harman, S M, Chrousos, G P, Loriaux, D L, Blackman, M R

“…To assess the effects of age on both the pituitary ACTH response to corticotropin-releasing hormone (CRH) and the secretory responses of cortisol (F) and…”
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Serum IGF-binding protein-3 is related to IGF-I, but not to spontaneous GH release, in healthy old men by Corpas, E, Harman, S M, Blackman, M R

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