Androgen and estrogen metabolism relationship to obesity

androgen and estrogen metabolism relationship to obesity

The hormones leptin, insulin, oestrogens, androgens and growth hormone are factors in obesity. Obesity-related disease is preventable with weight loss. relationship between obesity and certain parameters of androgen and estrogen metabolism we infused 88 women, mean age k years and mean weight . Androgen and estrogen metabolism in the various compartments of the follicle. . Obesity is associated with a decreased SHBG concentration, and with weight loss, the . As noted previously, the free hormone, which is inversely related to the.

Upper-body obesity, glucose intolerance, hypertriglyceridemia and hypertension. Arch Intern Med Bosello O, Zamboni M, Visceral obesity and metabolic syndrome.

Androgen Metabolism | GLOWM

BMC Publ Hlth Pascot A, Despres JP, Lemieux I, et al, Contribution of visceral obesity to the deterioration of the metabolic risk profile in men with impaired glucose tolerance. Stefan N, Kantartzis K, Machann J, et al, Identification and characterization of metabolically benign obesity in humans. A link for the raised cardiovascular risk associated with visceral obesity.

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Effecs of hormone use. Bryzgalova G, Lundholm L, Portwood N, et al, Mechanisms of antidiabetogenic and body weight-lowering effects of estrogen in high-fat diet-fed mice. Am J Physiol Bjorntorp P, Classification of obese patients and complications related to the distribution of surplus fat.

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Cohen PG, The hypogonadal-obesity cycle: Zumoff B, Miller LK, Strain GW, Reversal of the hypogonadotropic hypogonadism of obese men by administration of the aromatase inhibitor testolactone. Schaller GB The year of the gorilla, Chicago: University of Chicago Press. Gesta S, Bluher M, Yamamoto Y, et al, Evidence for a role of developmental genes in the origin of obesity and body fat distribution. Perfetto F, Tarquini R, Cornelissen G, et al, Circadian phase difference of leptin in android versus gynoid obesity.

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androgen and estrogen metabolism relationship to obesity

Br J Obstet Gynaecol Biochem Biophys Res Commun A component of metabolic syndrome? J Postgrad Med Hum Reprod Up Clin Obstet Gynecol Bhattacharya SM, Prevalence of metabolic syndrome in women with polycystic ovary syndrome, using two proposed definitions.

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Implications and effects of weight loss. Levin BE, Dunn-Meynell AA, Defense of body weight depends on dietary composition and palatability in rats with diet-induced obesity. Am J Geriat Psychiat J Cell Biochem J Cereb Blood Flow Metab Weiser MJ, Handa RJ, Estrogen impairs glucocorticoid dependent negative feedback on the hypothalamic-pituitary-adrenal axis via estrogen receptor alpha within the hypothalamus.

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Muller J, Aldosterone: The abdominal and visceral deposition of adipose tissue typical of men, as opposed to the gluteal—femoral pattern of subcutaneous fat deposition that characterizes premenopausal women, is paramount because the association between adipose tissue accumulation and metabolic disorders is stronger for visceral adipose tissue VAT than for subcutaneous adipose tissue SAT excess Ibrahim, Therefore, increasing androgen levels may be expected to result in abdominal adiposity and possibly to adipose tissue dysfunction.

Obesity and hormones

While this has been confirmed in women—i. We have reviewed the available evidence on the interplay between sex steroids, adipose tissue and lean mass distribution, and developed a novel hypothesis to explain these apparent paradoxes.

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Obesity and body fat distribution as major risk factors for cardiometabolic disorders Obesity and adipose tissue dysfunction from an evolutionary perspective Human metabolism may be genetically adapted to the dominant conditions that have predominated over time: Survival was then favored by a combination of thrifty genotypes and phenotypes Neel,in which abdominal adiposity and insulin resistance played a central role Fernandez-Real and Ricart, ; Escobar-Morreale et al. In this context, fertility first genotypes, such as PCOS and oligo-ovulation, by providing additional survival advantages—increased assertive behavior and relatively large intervals between pregnancies that occurred at older ages thereby decreasing the birth rate and favoring maternal and infant survival—might have co-segregated with thrifty genotypes Witchel et al.

Nowadays, the environmental conditions have changed rapidly in many countries where access to food is not restricted, significant trauma and epidemics seldom occur, and life expectancy has increased markedly.

Hence, these defensive mechanisms are no longer beneficial and the price to pay is atherosclerosis and cardiovascular disease.

androgen and estrogen metabolism relationship to obesity

Obesity-related adipose tissue dysfunction as the major determinant of diabesity and cardiometabolic disorders Adipose tissue is a highly active endocrine and metabolic organ that functions as an integrated unit consisting of adipocytes, connective tissue matrix, nerve tissue, stromovascular cells and immune cells Kershaw and Flier, Adipose tissue receives signals from the traditional hormone systems and the central nervous system, expresses and secretes factors with autocrine, paracrine and endocrine functions, and participates in the peripheral metabolism of sex steroids and glucocorticoids Kershaw and Flier, Dysfunctional secretion of adipokines, inflammatory mediators and other molecules by excessive VAT mediates the increased cardiovascular risk associated with diabesity Kershaw and Flier, Mechanisms contributing to insulin resistance, metabolic dysfunction, hypertension, dyslipidemia and atherosclerosis in diabesity include increased sympathetic tone, activation of the hypothalamic—pituitary—adrenal axis and increased local generation of cortisol in adipose tissue, activation of the renin-angiotensin system, endothelial dysfunction, increased coagulability and decreased fibrinolysis and low-grade chronic inflammation Fernandez-Real and Ricart, In agreement, almost all classic and non-classic cardiovascular risk factors, including surrogate markers derived from molecules involved in these pathophysiological mechanisms, aggregate in subjects with obesity, especially in those presenting with abdominal adiposity Bjorntorp, ; Despres and Lemieux, Differences in VAT and SAT with regards to metabolic dysfunction and cardiovascular risk Albeit obesity is a major risk factor for diabetes and cardiovascular disease, there are obese persons that never develop these complications.

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Androgen and estrogen metabolism: relationship to obesity.

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Changes of ovarian hormonal function with aging.

Androgen and estrogen metabolism: relationship to obesity.

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androgen and estrogen metabolism relationship to obesity

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