research Physiology of Testicular Function
The testes produce sperm and hormones essential for male development.
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research Testosterone: The Male Sex Hormone
More research is needed to understand how testosterone is maintained in adult males.
research A Recently Characterized, Underdiagnosed Cause of Female Androgenetic Alopecia and Polycystic Ovarian Syndrome: Non-Classical 21 Hydroxylase Deficiency
Non-classical 21 hydroxylase deficiency is an underdiagnosed cause of female hair loss and polycystic ovarian syndrome.
research Molecular Interactions of Natural and Synthetic Steroids in Female Hamsters’ Flank Organs
Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.
research Evaluation of the 5α-Reductase Inhibitor Finasteride on Reproduction and Gonadal Development in Medaka, Oryzias Latipes
Finasteride negatively affects fish reproduction and gonadal development.
research Androgen Effects in Mammals
Testosterone is crucial for development, growth, and various body functions in mammals.
research Female Pattern Hair Loss in Complete Androgen Insensitivity Syndrome
Hair loss in women may have causes other than hormones.
research Androgen Modulation of Wnt/β-Catenin Signaling in Androgenetic Alopecia
Androgens may block hair growth signals, targeting this could treat hair loss.
research Role of Genetics and Sex Steroid Hormones in Male Androgenetic Alopecia and Female Pattern Hair Loss: An Update
Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.
research Investigation of the Male Pattern Baldness Major Genetic Susceptibility Loci AR/EDA2R and 20p11 in Female Pattern Hair Loss
AR/EDA2R gene linked to early-onset female hair loss, but 20p11 gene not involved.
research Study of Gene Expression Alteration in Male Androgenetic Alopecia: Evidence of Predominant Molecular Signaling Pathways
Hair loss involves immune responses, inflammation, and disrupted signaling pathways.
research The Hairless Gene in Androgenetic Alopecia: Results of a Systematic Mutation Screening and a Family-Based Association Approach
Hairless gene not strongly linked to baldness.
research Gene-Wide Association Study Between the Aromatase Gene (CYP19A1) and Female Pattern Hair Loss
Aromatase gene variation may increase female hair loss risk.
research Androgen Action in the Ovary
Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.
research Different Gene Expression Profile Observed in Dermal Papilla Cells Related to Androgenic Alopecia by DNA Macroarray Analysis
Hair loss in balding individuals is linked to changes in specific hair growth-related genes.
research The Prolactin Receptor as a Therapeutic Target in Human Diseases: Exploring New Potential Indications
Blocking the prolactin receptor might help treat various diseases, but more research is needed.
research Inhibition of Inflammatory Gene Expression in Keratinocytes Using a Composition Containing Carnitine, Thioctic Acid, and Saw Palmetto Extract
The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
research New-Generation Therapies for the Treatment of Hair Loss in Men
New treatments for male hair loss show promise but need more research for safety and effectiveness.
research Analysis of Genetic Polymorphisms of Steroid 5α-Reductase Type 1 and 2 Genes in Korean Men with Androgenetic Alopecia
Gene differences may affect baldness treatment response in Korean men.
research The Impact of Certain Genetic Variants (Single Nucleotide Polymorphisms) on Incidence and Severity of COVID-19
Certain genetic differences may affect how likely someone is to get COVID-19 and how severe it might be.
research Ectodysplasin-A2 Induces Dickkopf 1 Expression in Human Balding Dermal Papilla Cells Overexpressing the Ectodysplasin A2 Receptor
A protein called ectodysplasin-A2 increases a hair growth inhibitor in balding cells, which could be a target for hair loss treatment.
research Genetic Analysis of 5 Alpha Reductase Type 2 Enzyme in Relation to Oxidative Stress in Cases of Androgenetic Alopecia in a Sample of Egyptian Population
5α reductase type 2 enzyme mutation and oxidative stress may increase androgenetic alopecia risk in Egyptians.
research Genetic Defects of Female Sexual Differentiation
Genetic mutations can affect female sexual development, requiring personalized medical care.
research The Androgen Excess and PCOS Society Criteria for the Polycystic Ovary Syndrome: The Complete Task Force Report
The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.
research Epidemiology, Diagnosis, and Management of Hirsutism: A Consensus Statement by the Androgen Excess and Polycystic Ovary Syndrome Society
Experts recommend using evidence-based methods to diagnose and treat hirsutism, focusing on symptoms and underlying causes.
research Biology and Genetics of Hair
The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.
research Dissection of Genetic Variation and Evidence for Pleiotropy in Male Pattern Baldness
Male pattern baldness is mostly inherited, involves many genes, and is linked to other traits like early puberty and strong bones.
research Baldness, Benign Prostate Hyperplasia, Prostate Cancer, and Androgen Levels
The study found no link between baldness patterns and androgen levels in men with benign prostate enlargement or prostate cancer.
research Genetic Correlation Analysis Does Not Associate Male Pattern Baldness With COVID-19
There's no significant genetic link between male pattern baldness and COVID-19.
research Iatrogenic Androgen And Estrogen Excess In A Postmenopausal Woman Presenting With Facial Erythema, Acne, And Hirsutism
A postmenopausal woman's facial redness, acne, and excess hair were caused by too much hormone therapy for insomnia, but improved after stopping the treatment.