research Determination of estrone and 17β-estradiol in human hair by gas chromatography–mass spectrometry
Estrone and 17β-estradiol levels in hair differ between males and females.
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research Clinical, Biochemical and Molecular Characteristics of Congenital Adrenal Hyperplasia Due to 21-Hydroxylase Deficiency
21-hydroxylase deficiency causes hormone imbalances leading to various symptoms, and diagnosis involves clinical and genetic tests.
research Trident™ Thermal Conductivity Application Highlight: Thermal Conductivity Measurements of Hair and The Influence of Thermal Protectants
Thermal protectants help reduce hair damage from heat styling.
research Trident™ Thermal Conductivity Application Highlight: Thermal Conductivity Measurements of Hair and The Influence of Thermal Protectants
Thermal protectants help reduce hair damage from heat styling.
research Thermal modulation and airflow distribution determine hair drying efficiency, moisture behavior in human hair in Republic of Korea: an ex vivo study
Adjusting hair dryer settings improves drying efficiency and keeps hair healthy.
research Profiling steroid and thyroid hormones with hair analysis in a cohort of women aged 25 to 45 years old
The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
research Accessibility of direct-to-consumer teledermatology to underserved populations
Direct-to-consumer teledermatology is not effectively reaching underserved populations due to language, technology, and insurance barriers.
research Assessment of diagnostic competence of plasmatic androgens on polycystic ovary syndrome based on receiver operator characteristic curves
Free Testosterone Index, bioavailable testosterone, and androstenedione are the most accurate for diagnosing excess male hormones in PCOS.
research Dehydroepiandrosterone for women in the peri- or postmenopausal phase
DHEA may help with sexual function when used intravaginally by menopausal women but is similar to hormone therapy in other aspects and might cause more side effects like acne and hair loss.
research 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) Affects Keratin 1 and Keratin 17 Gene Expression and Differentially Induces Keratinization in Hairless Mouse Skin
research 5α-reductase inhibitors
5α-reductase inhibitors help treat disorders caused by DHT and have potential for future therapies.
research Effects of testosterone, dihydrotestosterone and estradiol on growth of human hair outer root sheath keratinocytes in vitro
Testosterone, DHT, and estradiol significantly affect hair cell growth.
research Application of single hair fibre tensile measurements to create an industry‐standard heat damage scale for hair
A new 6-point scale reliably measures heat damage to hair from styling tools.
research Testosterone metabolite nonessential for androgen effects
The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
research Sex hormone levels and body hair growth in !Kung San and Kavango men from Namibia
Lower DHT levels lead to more body hair growth.
research 11α-Hydroxyprogesterone, a potent 11β-hydroxysteroid dehydrogenase inhibitor, is metabolised by steroid-5α-reductase and cytochrome P450 17α-hydroxylase/17,20-lyase to produce C11α-derivatives of 21-deoxycortisol and 11-hydroxyandrostenedione in vitro
11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
research 17β-Estradiol Enhances Vascular Endothelial Growth Factor Production and Dihydrotestosterone Antagonizes the Enhancement via the Regulation of Adenylate Cyclase in Differentiated THP-1 Cells
Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
research Serum levels of testosterone and dehydroepiandrosterone sulfate in females with acne and/or female pattern hair loss
No strong link between testosterone or DHEAS levels and acne or hair loss in females.
research Integration of Colorimetric Sensing Dyes and Multi‐Substrate Arrays for Food Quality and Safety Monitoring: Design, Optimization, and Analysis
Combining advanced sensors with portable devices could enhance on-site food safety monitoring.
research Dual deficiency of melatonin and dihydrotestosterone promotes stromal cell damage and mediates prostatitis via the cGAS-STING pathway in sleep-deprived mice
Lack of sleep in mice leads to prostatitis by reducing certain hormones and activating an inflammatory pathway, which can be temporarily fixed with normal sleep.
research SERUM-CONCENTRATIONS OF Dehydroepyandrosterone-sulfate IN MEN WITH ANDROGENETIC ALOPECIA
Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
research Determination of steroid hormones in human hair as a retrospective biomarker with HPLC-MS/MS
A new method accurately measures long-term hormone levels in hair.
research Identifying 17-β-HSD3 Deficiency in Patients with Karyotype 46,XY Misdiagnosed with Androgen Insensitivity Syndrome: A Pediatric Case Report
Accurate diagnosis and early specialist referral are crucial for managing 46,XY Disorders of Sex Development.
research [The effect of 1, 25-dihydroxyvitamin D3 on cultured human hair follicle cells from a patients with vitamin D-dependent rickets type II with alopecia].
DDR-II hair follicle cells don't respond to 1, 25-dihydroxyvitamin D3, aiding diagnosis.
research Close correlation between hyperandrogenism and insulin resistance in women with polycystic ovary syndrome—Based on liquid chromatography with tandem mass spectrometry measurements
Women with PCOS who have high male hormone levels often also have insulin resistance.
research Androstanediolglucuronide: A parameter for peripheral androgen activity before and during therapy with cyproterone acetate
3α-AdiolG is a good marker for androgen activity in women with excessive hair growth and decreases with anti-androgen treatment.
research Tissue-Selective Regulation of Androgen-Responsive Genes
The same hormone can affect gene expression differently in various tissues, which could lead to new treatments for conditions like hair loss.
research Diffüz saç dökülmesi olan hastalarda digital fototrikogram bulgularının kandaki TSH, ferritin ve B12 vitamin düzeyi ile ilişkisinin değerlendirilmesi / The evaluation of the relationship between digital phototricogram findings with the TSH, ferritin and vitamin B12 levels in the blood of the patients with diffuse hair loss
research ODP408 Elevated DHEAS and Acute Hair Loss in an Adult Male with Trichorhinophalangeal Syndrome Type 1: a Case of Male PCOS
A 21-year-old male with a rare genetic disorder experienced sudden hair loss and high DHEAS levels, likely due to a condition similar to PCOS, usually seen in women.
research Intermolecular NH2-/Carboxyl-terminal Interactions in Androgen Receptor Dimerization Revealed by Mutations That Cause Androgen Insensitivity
Mutations at Val-889 and Arg-752 disrupt key interactions in the androgen receptor, affecting its function.