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Topic: Dehydroepiandrosterone


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In the News (Sun 15 Nov 09)

  
  Dehydroepiandrosterone - Wikipedia, the free encyclopedia
Dehydroepiandrosterone (DHEA) is a natural steroid hormone produced from cholesterol by the adrenal glands found atop of the kidneys in the human body.
DHEA is also produced in the gonads, adipose tissue and the brain.
Dehydroepiandrosterone sulfate (DHEAS) is the sulfated version of DHEA, - this conversion is reversibly catalyzed by sulfotransferase (SULT2A1) primarily in the adrenals, the liver, and small intestines.
en.wikipedia.org /wiki/Dehydroepiandrosterone   (799 words)

  
 Dehydroepiandrosterone (DHEA)
Dehydroepiandrosterone (DHEA) is the most abundant androgen (male steroid hormone) secreted by the adrenal glands (small hormone producing glands which sit on top of the kidneys), and to a lesser extent, by the ovaries and testes.
Dehydroepiandrosterone (DHEA), DHEA sulfate, and aging: contribution of the DHEAge study to a sociobiomedical issue.
Inhibition of 3' axido-3' deoxythymidine-resistant HIV-1 infection by dehydroepiandrosterone in vitro.
www.umm.edu /altmed/ConsSupplements/DehydroepiandrosteroneDHEAcs.html   (2801 words)

  
 Dhea Replacement Therapy - Abstracts : Online Reference For Health Concerns
Dehydroepiandrosterone (DHEA) sulfate prevents reduction in tissue vitamin E and increased lipid peroxidation due to murine retrovirus infection of aged mice.
Dehydroepiandrosterone, a naturally occurring adrenal steroid, is a highly effective tumor chemopreventive agent in laboratory mice and rats, inhibiting spontaneous breast cancer and chemically induced tumors of the lung, colon, skin, liver and thyroid.
Dehydroepiandrosterone (DHEA), an adrenal steroid, causes lipid peroxidation in rat liver microsomes and mitochondria and induces hepatocarcinogenesis.
www.lef.org /protocols/abstracts/abstr-041.html   (13991 words)

  
 DHEA
Adrenal insufficiency leads to a deficiency of dehydroepiandrosterone; we therefore, investigated the effects of dehydroepiandrosterone replacement, in patients with adrenal insufficiency.
RESULTS: Treatment with dehydroepiandrosterone raised the initially low serum concentrations of dehydroepiandrosterone, dehydroepiandrosterone sulfate, androstenedione, and testosterone into the normal range; serum concentrations of sex hormone-binding globulin, total cholesterol, and high-density lipoprotein cholesterol decreased significantly.
Serum dehydroepiandrosterone, dehydroepiandrosterone sulfate, and pregnenolone sulfate concentrations in patients with hyperthyroidism and hypothyroidism.
www.salivatest.com /store/bhrt_dhea.html   (1650 words)

  
 Product Abstract: Dhea (Dehydroepiandrosterone)
Dehydroepiandrosterone (DHEA) fed at 0.4%, and its metabolites, 3 alpha-hydroxyetiocholanolone (alpha-ET) and 3 beta- hydroxyetiocholanolone (beta-ET), fed at 0.1%, had marked anti- hyperglycemic and anti-obesity properties in mutant mice with single gene obesity mutations (diabetes, db; obese, ob; viable yellow, Avy).
This study was undertaken to determine the effectiveness of dehydroepiandrosterone (DHEA) in reducing C. parvum infections in immunosuppressed adult C57BL/6N mice and to identify the immunomodulatory effects of DHEA that result in increased resistance to cryptosporidiosis.
Dehydroepiandrosterone (DHEA) is one of the three principal adrenal steroids; its serum concentration declines with age.
lef.org /prod_hp/abstracts/php-ab196a.html   (8554 words)

  
 Dehydroepiandrosterone (DHEA) of Augusta, Georgia
Dehydroepiandrosterone (DHEA) is one of the hormones produced by the adrenal glands.
Serum dehydroepiandrosterone sulfate in Alzheimer's disease and in multi-infarct dementia.
Serum dehydroepiandrosterone (DHEA) and DHEA-sulfate (DHEA-S) in Alzheimer's disease and in cerebrovascular dementia.
www.universityhealth.org /17329.cfm   (3877 words)

  
 DHEA (Dehydroepiandrosterone) - Swedish Medical Center, Seattle, Washington
The use of oral dehydroepiandrosterone sulfate as an adjuvant in tetanus and influenza vaccination of the elderly.
Dehydroepiandrosterone is a complete hepatocarcinogen and potent tumor promoter in the absence of peroxisome proliferation in rainbow trout.
Inhibition by dehydroepiandrosterone of growth and progression of persistent liver nodules in experimental rat liver carcinogenesis.
www.swedish.org /110872.cfm   (3745 words)

  
 CERI: DHEA Report from Smart Drug News
Dehydroepiandrosterone (pronounced dee-hi-dro-epp-ee-ann-dro-stehr-own), or DHEA as it is more often called, is a steroid hormone produced in the adrenal gland.
Effect of genetic background on the therapeutic effects of dehydroepiandrosterone (DHEA) in diabetes-obesity mutants and in aged normal mice.
Inhibition of 1,2-dimethylhydrazine-induced colon tumorigenesis in Balb/c mice by dehydroepiandrosterone.
www.ceri.com /dhea.htm   (2701 words)

  
 DHEA
Serum dehydroepiandrosterone, dehydroepiandrosterone sulfate, testosterone, and estradiol were measured periodically over the 12 hours after each dose.
The study concluded that micronized dehydroepiandrosterone may provide a steroidal postmenopausal replacement that is adjunctive to estrogens and worthy of further investigation.
Dehydroepiandrosterone (25 mg/kg/day) and/or prednisone (10 mg/kg/day) were given on days -4 to 0 before animals were given a gavage of 10(9) 111indium-oxine-radiolabeled or -unlabeled Escherichia coli and 20% total body surface area burn injury.
home.caregroup.org /clinical/altmed/interactions/Nutrients/DHEA.htm   (6060 words)

  
 Dehydroepiandrosterone (DHEA) - Vitacost   (Site not responding. Last check: 2007-11-06)
Dehydroepiandrosterone inhibits human platelet aggregation in vitro and in vivo.
The plasma levels of dehydroepiandrosterone sulfate are decreased in patients with chronic heart failure in proportion to the severity.
Sequential appearance and ultrastructure of amphophilic cell foci, adenomas, and carcinomas in the liver of male and female rats treated with dehydroepiandrosterone.
www.vitacost.com /science/hn/Supp/DHEA.htm   (3973 words)

  
 DHEA (dehydroepiandrosterone)   (Site not responding. Last check: 2007-11-06)
DHEA is the acronym for dehydroepiandrosterone, an androgen occurring naturally in humans and synthesized from cholesterol.
Dehydroepiandrosterone sulphate (DHEA-S) is the predominant and active form of DHEA circulating in the body, and when we talk of DHEA in the body, we are usually talking of the sulphated form.
Mahesh and Greenblatt, The In Vivo Conversion of Dehydroepiandrosterone and Androstenedione to Testosterone in the Human.
www.afpafitness.com /articles/DHEA2.htm   (3360 words)

  
 Become.com - Shop results for dhea dehydroepiandrosterone mg
DHEA (Dehydroepiandrosterone) is produced by the adrenal gland and it is found naturally in the body.
DHEA (Dehydroepiandrosterone) is a hormone produced by the adrenal glands, the amount of which decreases with age.
DHEA (dehydroepiandrosterone) is an abundant, naturally occurring hormone secreted by the adrenal gland.
www.become.com /shop?q=dhea+dehydroepiandrosterone+mg   (217 words)

  
 DHEA (dehydroepiandrosterone) Lab Test | YourLabTest.com
Dehydroepiandrosterone (DHEA) is a steroid that is produced by both the kidneys and testis.
Notes: The DHEA (dehydroepiandrosterone) medical lab tests provided by YourLabTest.com are performed by US certified laboratories who operate patient service centers in most cities in the United States.
Once your DHEA (dehydroepiandrosterone) lab test specimens are taken your lab results are available in 24 to 48 hours.
www.yourlabtest.com /DHEA-dehydroepiandrosterone_lab-test__374_PRO.php   (155 words)

  
 DHEA (Dehydroepiandrosterone) - Supplements
Bosy TZ, Moore KA, Poklis A. The effect of oral dehydroepiandrosterone (DHEA) on the urine testosterone/epitestosterone (T/E) ratio in human male volunteers.
Oral administration of dehydroepiandrosterone to healthy men: alteration of the urinary androgen profile and consequences for the detection of abuse in sport by gas chromatography-mass spectrometry.
Filaire E, Duche P, Lac G. Effects of amount of training on the saliva concentrations of cortisol, dehydroepiandrosterone and on the dehydroepiandrosterone: cortisol concentration ratio in women over 16 weeks of training.
www.supplementwatch.com /supatoz/supplement.asp?supplementId=102   (1121 words)

  
 Dehydroepiandrosterone Sulfate (DHEA-S) and Psychiatric and Laboratory Measures of Frailty in a Residential Care ...
Dehydroepiandrosterone Sulfate (DHEA-S) and Psychiatric and Laboratory Measures of Frailty in a Residential Care Population -- Morrison et al.
Dehydroepiandrosterone Sulfate (DHEA-S) and Psychiatric and Laboratory Measures of Frailty in a Residential Care Population
Barrett-Connor E, Edelstein SL: A prospective study of dehydroepiandrosterone sulfate and cognitive function in an older population: The Rancho Bernardo Study.
ajgponline.org /cgi/content/full/6/4/277   (2711 words)

  
 Dehydroepiandrosterone (DHEA)
Dehydroepiandrosterone (DHEA) is the most prevalent of the hormones produced by the adrenal glands.
Some products claim to contain “natural” DHEA precursors from wild yam; however, the body cannot convert any compounds in the yam to DHEA or other steroid hormones (although a series of reactions in a laboratory can make the conversion).
Abnormal 24-hr mean plasma concentrations of dehydroisoandrosterone and dehydroandrosterone sulfate in women with primary operable breast cancer.
www.vitaminevi.com /Supp/DHEA.htm   (632 words)

  
 DHEA / Dehydroepiandrosterone : Natural Health Care Products : Save up to 70%
DHEA / Dehydroepiandrosterone is the sole precursor hormone responsible for the production and regulation of every other steroid and sex hormone in the body.
"Dehydroepiandrosterone replacement administration: pharmacokinetic and pharmacodynamic studies in healthy elderly subjects." J Clin Endocrinol Metab 85(9): 3208-17.
"Dehydroepiandrosterone in the treatment of erectile dysfunction: a prospective, double-blind, randomized, placebo-controlled study." Urology 53(3): 590-4; discussion 594-5.
www.health-pages.com /dh   (1402 words)

  
 Structural Characterization and Expression of the Human Dehydroepiandrosterone Sulfotransferase Gene
Dehydroepiandrosterone sulfotransferase catalyzes the transformation of dehydroepiandrosterone to dehydroepiandrosterone sulfate, the most abundant steroid in circulation in the human and primate.
Dehydroepiandrosterone sulfate serves as precursor for the formation of active androgens and estrogens in peripheral target tissues.
DEHYDROEPIANDROSTERONE SULFOTRANSFERASE (DHEA-ST) is particularly important in humans and primates, which are unique in possessing high levels of dehydroepiandrosterone sulfate (DHEAS) in the circulation (Labrie et al., 1985; Bélanger et al., 1986; Labrie, 1991).
www.fernand.labrie.crchul.ulaval.ca /flabrie/pub/263.htm   (3759 words)

  
 DHEA (Dehydroepiandrosterone)
Dehydroepiandrosterone (DHEA), a hormone produced by the adrenal glands, is the most abundant hormone in the steroid family found in the bloodstream.
DHEA has been proposed a weight loss aid, but the little evidence that is available appears more negative than positive.
A 12-month double-blind placebo-controlled trial of 381 women with mild or moderate lupus evaluated the effects of DHEA at a dose of 200 mg daily.
www.al-hikmah.org /dhea-dehydroepiandrosterone.asp   (1841 words)

  
 Low Dehydroepiandrosterone and Ischemic Heart Disease in Middle-aged Men: Prospective Results from the Massachusetts ...
Decreased testosterone and dehydroepiandrosterone sulfate concentrations are associated with increased insulin and glucose concentrations in nondiabetic men.
The relationship between plasma androgens (dehydroepiandrosterone sulfate and testosterone) and coronary arteriosclerosis in men: the lower the androgens, the higher the coronary score of arteriosclerosis.
Dehydroepiandrosterone sulfate, incidence of myocardial infarction, and extent of atherosclerosis in men.
aje.oxfordjournals.org /cgi/content/full/153/1/79   (4782 words)

  
 Dehydroepiandrosterone antibody (ab10999) datasheet   (Site not responding. Last check: 2007-11-06)
If Dehydroepiandrosterone antibody (ab10999) does not perform as described on this datasheet, notify us within 90 days of delivery using this form, so that we can help you or offer you a replacement or a refund.
Dehydroepiandrosterone (DHEA) is a major secretory product of the human adrenal cortex during intrauterine development as well as during adulthood.
At Abcam, we have one centralized database to hold all of our product information, so that everything we know about this Dehydroepiandrosterone antibody is on this datasheet.
www.abcam.com /?datasheet=10999   (421 words)

  
 Dehydroepiandrosterone (DHEA)
Dehydroepiandrosterone (DHEA) is the most abundant hormone in the bloodstream.
This hormone is produced in abundance up until age 25 at which time production slows.
Consult a medical professional to determine if a DHEA supplement should be taken, the proper individual dose, and/or if other medications are taken on a daily basis.
www.spineuniverse.com /displayarticle.php/article1027.html   (774 words)

  
 Dehydroepiandrosterone Supplementation in Healthy Men with an Age-Related Decline of Dehydroepiandrosterone Secretion ...
Dehydroepiandrosterone Supplementation in Healthy Men with an Age-Related Decline of Dehydroepiandrosterone Secretion -- Arlt et al.
2000 Dehydroepiandrosterone (DHEA), DHEA sulfate, and aging: contribution of the DHEAge Study to a sociobiomedical issue.
Labrie F, Belanger A, Cusan L, Candas B 1997 Physiological changes in dehydroepiandrosterone are not reflected by serum levels of active androgens and estrogens but of their metabolites: intracrinology.
jcem.endojournals.org /cgi/content/full/86/10/4686   (4290 words)

  
 NEJM -- Dehydroepiandrosterone Replacement in Women with Adrenal Insufficiency
Dehydroepiandrosterone (DHEA) modulates GHRH, somatostatin and angiotensin II action at the pituitary level.
Leblanc, M., Labrie, C., Belanger, A., Candas, B., Labrie, F. Bioavailability and Pharmacokinetics of Dehydroepiandrosterone in the Cynomolgus Monkey.
Hampl, V., Bibova, J., Povysilova, V., Herget, J. Dehydroepiandrosterone sulphate reduces chronic hypoxic pulmonary hypertension in rats.
content.nejm.org /cgi/content/short/341/14/1013   (1228 words)

  
 Dehydroepiandrosterone Supplementation Improves Endothelial Function and Insulin Sensitivity in Men -- Kawano et al. 88 ...
Dehydroepiandrosterone Supplementation Improves Endothelial Function and Insulin Sensitivity in Men -- Kawano et al.
Barrett-Connor E, Khaw KT, Yen SSC 1986 A prospective study of dehydroepiandrosterone sulfate, mortality and cardiovascular disease.
Mortola JF, Yen SSC 1990 The effects of oral dehydroepiandrosterone on endocrine-metabolic parameters in postmenopausal women.
jcem.endojournals.org /cgi/content/full/88/7/3190   (3969 words)

  
 Dehydroepiandrosterone (DHEA), DHEA sulfate, and aging: Contribution of the DHEAge Study to a sociobiomedical issue -- ...
Dehydroepiandrosterone (DHEA), DHEA sulfate, and aging: Contribution of the DHEAge Study to a sociobiomedical issue -- Baulieu et al.
Dehydroepiandrosterone Restoration of Growth Hormone Gene Expression in Aging Female Rats, in Vivo and in Vitro: Evidence for Actions via Estrogen Receptors
Bioavailability and Pharmacokinetics of Dehydroepiandrosterone in the Cynomolgus Monkey
www.pnas.org /cgi/content/abstract/97/8/4279   (1553 words)

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