research The genetics of androgenetic alopecia
Genes and hormones cause hair loss, with four genes contributing equally.
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research A novel finasteride 0.25% topical solution for androgenetic alopecia: pharmacokinetics and effects on plasma androgen levels in healthy male volunteers
New finasteride solution effectively reduces baldness-causing hormone, potentially with fewer side effects.
research Promotion of Hair Growth byRosmarinus officinalisLeaf Extract
Rosemary leaf extract may be an effective natural treatment for hair growth and male pattern baldness.
research New investigational drugs for androgenetic alopecia
Possible new treatments for common hair loss include drugs, stem cells, and improved transplants.
research Biochemical Roles of Testosterone and Epitestosterone to 5α-Reductase as Indicators of Male-Pattern Baldness
High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
research Idiopathic Hirsutism*
The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
research Functional hair follicle regeneration: an updated review
Hair follicle regeneration possible, more research needed.
research A Mouse Model of Androgenetic Alopecia
Mice with human gene experienced hair loss when treated with DHT.
research Steroid 5α-Reductase Inhibitors
New steroidal compounds could be effective for treating conditions related to 5α-reductase enzyme activity.
research Male pattern baldness: current treatments, future prospects
Current treatments for male pattern baldness include minoxidil and finasteride, with new options being developed.
research A cell-based system for screening hair growth-promoting agents
Apigenin may help promote hair growth and could treat hair loss.
research ORIGINAL RESEARCH—ENDOCRINOLOGY: Comparison of the Steady‐State Pharmacokinetics, Metabolism, and Variability of a Transdermal Testosterone Patch Versus a Transdermal Testosterone Gel in Hypogonadal Men
The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.
research Inhibition of Rat 5α-Reductase Activity and Testosterone-Induced Sebum Synthesis in Hamster Sebocytes by an Extract ofQuercus acutissimaCortex
An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
research Age-related hair changes in men: Mechanisms and management of alopecia and graying
Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
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 Androgenic Hormone Profile of Adult Women with Acne
Over half of the adult women with acne in the study had higher than normal levels of male hormones, especially DHEA.
research Dihydrotestosterone inhibits hair growth in mice by inhibiting insulin-like growth factor-I production in dermal papillae
Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
research Effect of dihydrotestosterone on the upregulation of inflammatory cytokines in cultured sebocytes
Dihydrotestosterone increases certain inflammatory signals in skin cells, potentially contributing to acne.
research Finasteride, a Type 2 5α-reductase inhibitor, in the treatment of men with androgenetic alopecia
Finasteride effectively treats male hair loss, improving growth and density.
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 Clinical relevance of testosterone and dihydrotestosterone metabolism in women
Testosterone and dihydrotestosterone play a role in women's health issues like excess hair and baldness, and treatments blocking these hormones may help.
research A hypothetical pathogenesis model for androgenic alopecia: clarifying the dihydrotestosterone paradox and rate-limiting recovery factors
The model suggests that scalp tension could lead to hair loss, with factors like blood vessel hardening, enlarged oil glands, and poor microcirculation also playing a role. It also hints at a possible link between skull shape and baldness pattern.
research Androgen Receptor Accelerates Premature Senescence of Human Dermal Papilla Cells in Association with DNA Damage
Androgen receptor signaling causes early aging of cells important for hair growth by damaging their DNA.
research Melanocyte and gonad activity as potential severity modifying factors in C3H/HeJ mouse alopecia areata
Gonadal hormones significantly affect the severity of alopecia areata in mice.
research Alopecia and the metabolic syndrome
Men with common hair loss may have a higher risk of heart disease and diabetes, and should be checked for these conditions.
research Key targets of hormonal treatment of prostate cancer. Part 2: the androgen receptor and 5α-reductase
Blocking DHT production more strongly may help control advanced prostate cancer and improve quality of life.
research Inhibition of the Androgen Receptor by Antisense Oligonucleotides Regulates the Biological Activity of Androgens in SZ95 Sebocytes
Blocking the androgen receptor in skin cells reduces their growth response to male hormones, suggesting a possible treatment for skin conditions linked to androgens.
research The Basic Science of Hair Biology
Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.
research The expression of inducible nitric oxide synthase (iNOS) in the testis and epididymis of rats with a dihydrotestosterone (DHT) deficiency
DHT deficiency increases iNOS expression in rat testis and epididymis.
research Hedonic sensitivity to natural rewards is affected by prenatal stress in a sex-dependent manner
Prenatal stress changes how male and female rats enjoy rewards differently, linked to sex hormones.