Medical Studies on DHEA – Metabolism
Age-related metabolic disorders are associated with serious sequelae. DHEA supports healthy weight maintenance and helps to reduce the risk of related diseases, from diabetes to metabolic syndrome.
Positive Effects on Muscle-fat Relation
It has been proven that with advancing age, decreasing DHEA and testosterone levels favor a decrease in muscle and at the same time an increase in fat. This can lead to adverse health effects, for example on insulin balance and thus sugar and fat metabolism. However, studies show that a longer-term substitution with DHEA can help to mitigate these changes, producing extremely positive effects on body composition; the body’s distribution of muscle and fat.
Risk Factor Metabolic Syndrome
The amount of fat, especially around the abdomen, increases with age and is associated with health concerns such as insulin resistance, diabetes and atherosclerosis – conditions that subsequently increase the risk of metabolic syndrome. Several studies suggest that DHEA promotes healthy fat burning and thus exerts a protective effect against the threat of insulin resistance.
Medical Studies on DHEA – Metabolism
In vitro and in vivo tenocyte-protective effectiveness of dehydroepiandrosterone against high glucose-induced oxidative stress
Dehydroepiandrosterone (DHEA), an adrenal steroid, has a protective role against diabetes. This study aimed to investigate the in vitro and in vivo protective effects of DHEA against high glucose-induced oxidative stress in tenocytes and tendons.
DHEA-pretreatment attenuates oxidative stress in kidney-cortex and liver of diabetic rabbits and delays development of the disease
In view of reported discrepancies concerning antioxidant activity of dehydroepiandrosterone (DHEA), a widely used dietary supplement, the current investigation was undertaken to evaluate the antioxidant properties of DHEA in both kidney-cortex and liver of alloxan (ALX)-induced diabetic rabbits, as this diabetogenic compound exhibits the ROS-dependent action.
The aging GABAergic system and its nutritional support
Aging is associated with a decline in hormones and an associated decline in GABAergic function and calcium and ion current dysregulation. Neurosteroid hormones act as direct calcium channel blockers, or they can act indirectly on calcium channels through their interaction with GABA receptors.
Relationship of dehydroepiandrosterone sulfate levels with atherosclerosis in patients with subclinical hypothyroidism
Subclinical hypothyroidism is related with increased risk of cardiovascular diseases. The decreased levels of dehydroepiandrosterone sulphate (DHEA-S) are associated with hyperlipidemia, atherosclerosis and obesity. The lower levels of DHEA‑S might be an important factor in development of atherosclerosis in subclinical hypothyroidism.
Impact of dehydroepiandrosterone (DHEA) supplementation on testosterone concentrations and BMI in elderly women: a meta-analysis of randomized controlled trials
Despite the fact that numerous clinical studies have evaluated the positive effects of dehydroepiandrosterone (DHEA) supplementation on testosterone concentrations and on the body mass index (BMI), more evidence is needed to certify that DHEA is a BMI-reducing agent in the elderly. This meta-analysis aims to clarify the various incompatible results and investigate the impact of DHEA supplementation on serum testosterone levels and lean body mass in elderly women.
The influence of dehydroepiandrosterone (DHEA) on fasting plasma glucose, insulin levels and insulin resistance (HOMA-IR) index: a systematic review and dose response meta-analysis of randomized controlled trials
The effect of DHEA supplementation on fasting plasma glucose (FPG), insulin levels (IN) and the homeostasis model assessment-estimated insulin resistance (HOMA-IR) index in humans has not been assessed so far. Thus, we aimed to conduct a systematic review and meta-analysis of the randomized controlled trials (RCT) which assessed the effects of DHEA supplementation on FPG, IN and the HOMA-IR index in humans.
The effects of dehydroepiandrosterone (DHEA) supplementation on body composition and blood pressure: a meta-analysis of randomized clinical trials
Dehydroepiandrosterone (DHEA) supplementation has been anecdotally considered as a tool to improve body composition and health status. We aimed to verify the impact of DHEA supplementation on traditional measurements of body composition and blood pressure (BP) due to their clinical applicability.
Impact of dehydroepianrosterone (DHEA) supplementation on serum levels of insulin-like growth factor 1 (IGF-1): a dose-response meta-analysis of randomized controlled trials
Inconsistencies exist with regard to the influence of dehydroepiandrosterone (DHEA) supplementation on insulin-like growth factor 1 (IGF-1) levels. The inconsistencies could be attributed to several factors, such as dosage, gender, and duration of intervention, among others. To address these inconsistencies, we conducted a systematic review and meta-analysis to combine findings from randomized controlled trials (RCTs) on this topic.
Very High Dehydroepiandrosterone Sulfate (DHEAS) in serum of an overweight female adolescent without a tumor
An increase of serum dehydroepiandrosterone (DHEA) sulfate (DHEAS) is observed in premature adrenarche and congenital adrenal hyperplasia. Very high DHEAS levels are typical for adrenal tumors. Approximately 74% of DHEAS is hydrolyzed to DHEA by the steroid sulfatase (STS). The reverse reaction is DHEA sulfation. Besides these two enzyme reactions, the DHEAS transported through the cell membrane is important for its distribution and excretion.
Dehydroepiandrosterone on metabolism and the cardiovascular system in the postmenopausal period
Dehydroepiandrosterone (DHEA), mostly present as its sulfated ester (DHEA-S), is an anabolic hormone that naturally declines with age. Furthermore, it is the most abundant androgen and estrogen precursor in humans.
Supplementation of dehydroepiandrosterone (DHEA) in pre- and postmenopausal women – position statement of expert panel of Polish Menopause and Andropause Society
Dehydroepiandrosterone (DHEA) concentration decreases with age, therefore, DHEA has been considered a hormone that reduces the symptoms associated with aging, so the usefulness of DHEA in premenopausal and postmenopausal women, and the options of hormone therapy have received a large amount of attention.
Cortisol, DHEAS, their ratio and the metabolic syndrome: evidence from the Vietnam Experience Study
The aim of these analyses was to examine the association of cortisol, DHEAS and the cortisol:DHEAS ratio with the metabolic syndrome (MetS) and its components.
The effect of long-term DHEA treatment on glucose metabolism, hydrogen peroxide and thioredoxin levels in the skeletal muscle of diabetic rats
Dehydroepiandrosterone (DHEA) is an endogenous steroid hormone involved in a number of biological actions. This study shows the effects of DHEA on glucose metabolism, hydrogen peroxide and thioredoxin levels in the skeletal muscle of control and diabetic rats.
Is the DHEAS/cortisol ratio a potential filter for non-operable constipated cases?
Constipation is a significant manifestation of a number of psychological disorders. Published papers recommend using self-assessment questionnaires for discriminating psychological from non-psychological constipated patients before operating on them but reports from major surveys revealed that general practitioners failed to diagnose 70% of depressed patients using self-assessment questionnaires.
Dehydroepiandrosterone sulfate linked to physiologic response against hot spring immersion
The steroid dehydroepiandrosterone sulfate (DHEA-S) is associated with longevity and adaptation against external stress in humans.
Prevention of diabetes, hepatic injury, and colon cancer with dehydroepiandrosterone
The levels of dehydroepiandrosterone (DHEA) and its sulfate (DHEA-S) peak in human in their twenties, then decrease gradually with age. The physiological importance of DHEA was not clear until recent research reports showing that DHEA has beneficial effects on preventing diabetes, malignancy, inflammation, osteoporosis, and collagen disease.
Dehydroepiandrosterone relations to dietary and lifestyle variables in a general population sample
Dehydroepiandrosterone (DHEA) is generally considered to have beneficial effects in humans. There is, however, limited information concerning the role of lifestyle variables, including diet, on blood DHEA levels. We have undertaken a study of DHEA determinants in a general population sample of adult Greeks.