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Showing 1 to 12 of 443 entries
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Role of osteocalcin, tumor necrosis factor-alpha and adiponectin in polycystic ovary syndrome patients with insulin resistance.

Turkish journal of obstetrics and gynecology

Erkan G, Tayyar AT, Açmaz G, Müderris İİ, Başkol G, Bayram F.
PMID: 28913143
Turk J Obstet Gynecol. 2017 Jun;14(2):89-93. doi: 10.4274/tjod.61224. Epub 2017 Jun 15.

OBJECTIVE: Insulin resistance (IR) seems to be the main pathogenic factor in polycystic ovary syndrome (PCOS). Adiponectin and tumor necrosis factor-alpha (TNF-α) are important in IR. The aim of this study was to evaluate the correlations of osteocalcin, adiponectin,...

Measuring couplings in crowded NMR spectra: pure shift NMR with multiplet analysis.

Chemical communications (Cambridge, England)

Foroozandeh M, Adams RW, Kiraly P, Nilsson M, Morris GA.
PMID: 26343867
Chem Commun (Camb). 2015 Oct 28;51(84):15410-3. doi: 10.1039/c5cc06293d.

The PSYCHE method for pure shift NMR is exploited to generate 2D J spectra with full decoupling in one dimension and multiplet structure in the other, allowing spin-spin coupling constants to be measured even in very crowded spectra. Significant...

Effect of Steroids on Gonadal Growth and Gametogenesis in the Juvenile Red Sea Urchin Pseudocentrotus depressus.

The Biological bulletin

Unuma T, Yamamoto T, Akiyama T.
PMID: 28296475
Biol Bull. 1999 Apr;196(2):199-204. doi: 10.2307/1542565.

Red sea urchins, 10 months old, were fed for 30 days on a casein-based diet containing progesterone, androstenedione, testosterone, estrone, or estradiol-17{beta}. The mean gonad indices of male animals in the androstenedione-and the estrone-treated groups were significantly higher than...

Functional significance of variation in egg-yolk androgens in the American coot.

Oecologia

Reed WL, Vleck CM.
PMID: 28547464
Oecologia. 2001 Jul;128(2):164-171. doi: 10.1007/s004420100642. Epub 2001 Jul 01.

Maternally derived hormones in cleidoic eggs have been implicated in mediating growth, behavior, and social interactions among offspring. Given these widespread and significant effects, hormonal investments have the potential to greatly influence fitness of offspring. Intraspecific variation can exist...

Sex hormone-binding globulin in congenital adrenal hyperplasia.

Hormone molecular biology and clinical investigation

Zamrazilová L, Dvořáková M, Lisá L, Stárka L, Hampl R.
PMID: 25961974
Horm Mol Biol Clin Investig. 2010 Jan 01;1(2):89-93. doi: 10.1515/HMBCI.2010.008.

BACKGROUND: Sex hormone-binding globulin biosynthesis is influenced by three hormonal systems: gonadal, insular and thyroid. Congenital adrenal hyperplasia is characterized by overproduction of adrenal androgens associated with impaired insulin sensitivity, hyperinsulinemia and often also with hypothyroidism. Only scarce data...

Circulating 5α-dihydrotestosterone, abdominal obesity and adipocyte characteristics in women.

Hormone molecular biology and clinical investigation

Côté JA, Lessard J, Mailloux J, Laberge P, Rhéaume C, Tchernof A.
PMID: 25436698
Horm Mol Biol Clin Investig. 2012 Dec;12(2):391-400. doi: 10.1515/hmbci-2012-0026.

UNLABELLED: Abstract Background: The association between circulating androgen levels and fat distribution in women has been widely inconsistent among existing studies.OBJECTIVE: We sought to investigate the relation between plasma adrenal and gonadal androgen levels and body fat distribution, as...

Sex pheromones of the sea lamprey (Petromyzon marinus): Steroid studies.

Journal of chemical ecology

Adams MA, Teeter JH, Katz Y, Johnsen PB.
PMID: 24301817
J Chem Ecol. 1987 Feb;13(2):387-95. doi: 10.1007/BF01025898.

Pheromone-containing and pheromone-devoid samples of male sea lamprey (Petromyzon marinus) urine were analyzed for the concentrations of nine steroids [dehydroepiandrosterone (DHEA), testosterone (T), dihydrotestosterone (DHT), progesterone (P), androstenedione (A), estrone (E1), estradiol (E2), corticosterone (B), and cortisol (F)] by...

Transcutaneous electrical acupoint stimulation alleviates the hyperandrogenism of polycystic ovarian syndrome rats by regulating the expression of P450arom and CTGF in the ovaries.

International journal of clinical and experimental medicine

Qu F, Liang Y, Zhou J, Ma RJ, Zhou J, Wang FF, Wu Y, Fang JQ.
PMID: 26221326
Int J Clin Exp Med. 2015 May 15;8(5):7754-61. eCollection 2015.

The present study was to investigate the effects of transcutaneous electrical acupoint stimulation (TEAS) in alleviating the hyperandrogenism of polycystic ovarian syndrome (PCOS) model rats induced by testosterone propionate and the possible underlying mechanism. Thirty-six female Sprague-Dawley rats were...

Plurihormonal Cosecretion by a Case of Adrenocortical Oncocytic Neoplasm.

Case reports in endocrinology

Corrales JJ, Robles-Lázaro C, Sánchez-Marcos AI, González-Sánchez MC, Antúnez-Plaza P, Miralles JM.
PMID: 27413559
Case Rep Endocrinol. 2016;2016:6785925. doi: 10.1155/2016/6785925. Epub 2016 Jun 16.

Adrenocortical oncocytic neoplasms (oncocytomas) are extremely rare; only approximately 159 cases have been described so far. The majority are nonfunctional and benign. We describe an unusual case of a functional oncocytoma secreting an excess of glucocorticoids (cortisol) and androgens...

Assessment of steroidogenic pathways that do not require testosterone as intermediate.

Hormone molecular biology and clinical investigation

Luu-The V.
PMID: 25961251
Horm Mol Biol Clin Investig. 2011 Mar 01;5(3):161-5. doi: 10.1515/HMBCI.2011.007.

Traditional literature and textbooks generally describe that estradiol (E2) and dihydrotestosterone (DHT) are synthesized from the aromatization and 5α-reduction of testosterone (T), respectively, following a pathway in which T is an essential intermediate (Tpath). This pathway implies that the...

Molecular Action and Clinical Relevance of Aromatase Inhibitors.

The oncologist

Murphy MJ.
PMID: 10388095
Oncologist. 1998;3(2):129-130.

BREAST CANCER: HIGH PREVALENCE AND RISING INCIDENCE: Breast cancer is the most common form of cancer among women in Europe, North and South America and Australasia; approximately 1 in 10 women in Western countries will develop breast cancer during...

Polycyclic aromatic hydrocarbons inhibit in vitro ovarian steroidogenesis in the flounder (Platichthys flesus L.).

Aquatic toxicology (Amsterdam, Netherlands)

Rocha Monteiro PR, Reis-Henriques MA, Coimbra J.
PMID: 10794836
Aquat Toxicol. 2000 Apr 01;48(4):549-559. doi: 10.1016/s0166-445x(99)00055-7.

The in vitro effect of polycyclic aromatic hydrocarbons (PAHs) on ovarian steroidogenesis of the flounder (Platichthys flesus L.) was determined. Fully vitellogenic ovary tissue was in vitro incubated in the presence of phenanthrene, benzo[a]pyrene or chrysene, using 17alpha-hydroxyprogesterone or...

Showing 1 to 12 of 443 entries