research The circulating dihydrotestosterone/testosterone ratio is increased by gut microbial 5α-reductase activity in females
Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
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research Androgen effects on the skin
Androgens like testosterone affect skin health and can lead to conditions such as acne and hair loss, with various treatments available.
research 5-Alpha reductase deficiency
5-alpha reductase deficiency leads to male sexual development issues and treatments like finasteride help with prostate enlargement and hair loss.
research Species Differences in Prostatic Steroid 5α-Reductases of Rat, Dog, and Human
Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
research Effects of Finasteride (MK-906), a 5α-Reductase Inhibitor, on Circulating Androgens in Male Volunteers*
Finasteride safely lowers DHT levels without affecting testosterone.
research No evidence for the immunocompetence handicap hypothesis in male humans
Higher free testosterone levels in men are linked to a stronger immune response, not weaker.
research Basics of androgen synthesis and action
Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
research The Effect of 5 -Reductase Inhibitors on Erectile Function
5-alpha-reductase inhibitors may cause a low incidence of erectile dysfunction that decreases over time.
research 12 Treatment of hirsutism with 5α-reductase inhibitors
New compounds may soon be tested to treat excessive hair growth in women.
research Effects of pre- and post-pubertal dihydrotestosterone treatment on penile length in 5α-reductase type 2 deficiency
Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
research Finasteride does not prevent bladder cancer: A secondary analysis of the Medical Therapy for Prostatic Symptoms Study
Finasteride does not prevent bladder cancer.
research Kinetic analysis of LY320236: competitive inhibitor of type I and non-competitive inhibitor of type II human steroid 5α-reductase
LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
research 5α-Metabolism in Finasteride-Treated Subjects and Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency
Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
research Change in hair growth-related gene expression profile in human isolated hair follicles induced by 5-alpha reductase inhibitors – dutasteride and finasteride – in the presence of testosterone
Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
research Serum androgens and prostate-specific antigen levels in androgenetic alopecia: is there a difference between frontal and vertex baldness?
Vertex baldness has higher DHT levels than frontal baldness, but testosterone and PSA levels are similar.
research Hair Transplantation
Hair transplantation is a treatment for hair loss mainly caused by genetics, with various techniques and potential complications, and results visible after 8-12 months.
research [Clinical significance of testosterone and dihydrotestosterone metabolism in women].
Antiandrogens and finasteride may help treat excess hair and hair loss in women.
research A Clinical Study of the Effects of Finasteride on Androgenetic Alopecia
Finasteride effectively treats hair loss in men with minimal side effects.
research 5α-reductase activity in the prostate
Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.
research Clinical Pharmacokinetics and Pharmacodynamics of Finasteride
Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.
research Three-Month Treatment With a Long-Acting Gonadotropin-Releasing Hormone Agonist of Patients With Benign Prostatic Hyperplasia: Effects on Tissue Androgen Concentration, 5α-Reductase Activity and Androgen Receptor Content*
A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
research Diagnosis of hyperandrogenism: Biochemical criteria
The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.
research Male gonadal function in coeliac disease: 2. Sex hormones.
Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.
research C19and C215β/5αMetabolite Ratios in Subjects Treated with the 5α-Reductase Inhibitor Finasteride: Comparison of Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency*
Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
research The Effects of Androgens on T Cells: Clues to Female Predominance in Autoimmune Liver Diseases?
Androgens may influence T cells, contributing to higher autoimmune liver disease risk in women.
research Bone density is normal in male rats treated with finasteride.
Finasteride doesn't affect bone density in male rats.
research Estimating the Contribution of the Prostate to Blood Dihydrotestosterone
The normal human prostate does not significantly affect blood DHT levels.
research Altered brain and pituitary androgen metabolism by prenatal, perinatal or pre- and postnatal finasteride, flutamide or dihydrotestosterone treatment in juvenile male rats
Treatment during development affects hormone balance and sexual behavior in male rats.
research Synaptic Long-Term Potentiation and Depression in the Rat Medial Vestibular Nuclei Depend on Neural Activation of Estrogenic and Androgenic Signals
Estrogen and androgen signals control synaptic changes in rat brains.
research Effects of finasteride, a 5 alpha-reductase inhibitor, on circulating androgens and gonadotropin secretion in hirsute women.
Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.