research Synthesis of 11α-hydroxyprogesterone hartens
Researchers successfully made new compounds for hormone level tests, but one attempt led to an unexpected product, correcting a past error.
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30 / 1000+ results research Extraction and Analysis of Cortisol from Human and Monkey Hair
Hair cortisol analysis effectively measures long-term stress.
research Extraction and Analysis of Cortisol from Human and Monkey Hair
The method effectively measures long-term stress levels using hair samples.
research STUDY OF FECAL GLUCOCORTICOID METABOLITE IN BEARS: A REVIEW
Analyzing bear poop helps measure their stress without harming them.
research Association Between Stress and Bilateral Symmetrical Alopecia in Free-Ranging Formosan Macaques (Macaca Cyclopis) in A High-Population-Density Area
Stress likely causes hair loss in Formosan macaques.
research The quantification of reproductive hormones in the hair of captive adult brown bears and their application as indicators of sex and reproductive state
Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
research Determination of estradiol and progesterone concentrations in human scalp hair
Hair levels of estradiol and progesterone are higher in premenopausal than postmenopausal women, but the difference isn't statistically significant, indicating the need for a better measurement method.
research Enzyme-linked immunosorbent assays for doping control of 5α-reductase inhibitors finasteride and dutasteride
New tests detect finasteride and dutasteride in urine quickly and easily.
research Preparation of a highly specific single chain variable fragment antibody targeting miroestrol and its application in quality control of Pueraria candollei by enzyme‐linked immunosorbent assay
The new ELISA method is reliable and eco-friendly for checking the quality of Pueraria candollei.
research Does myo-inositol oxygenase, the only enzyme to catalyze myo-inositol in vivo, play a role in the etiology of polycystic ovarian syndrome?
The enzyme myo-inositol oxygenase is not linked to the cause of polycystic ovarian syndrome.
research Invalidation of a commercially available human 5α-dihydrotestosterone immunoassay
The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
research Segmental hair analysis - a retrospective testosterone diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research Diagnosis of hyperandrogenism: Biochemical criteria
The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.
research First Case of Degenerative Mucinotic Mural Folliculitis in Brazil
A cat in Brazil was found with a severe skin condition linked to feline AIDS.
research Thyroid Hormones Directly Alter Human Hair Follicle Functions: Anagen Prolongation and Stimulation of Both Hair Matrix Keratinocyte Proliferation and Hair Pigmentation
Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
research Angiogenin is expressed in human dermal papilla cells and stimulates hair growth
Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
research Simultaneous determination of androgens and prostaglandins in human urine using ultra-high-performance liquid chromatography–tandem mass spectrometry
Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.
research Polycystic ovary syndrome and the differential diagnosis of hyperandrogenism
The document concludes that careful evaluation is needed to diagnose PCOS correctly due to similar symptoms in other conditions, and accurate testosterone level measurement is crucial.
research MANAGEMENT OF ENDOCRINE DISEASE Hyperandrogenic states in women: pitfalls in laboratory diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
research Design and Validation of a Sensitive Multisteroid LC-MS/MS Assay for the Routine Clinical Use: One-Step Sample Preparation with Phospholipid Removal and Comparison to Immunoassays
The new LC-MS/MS method is more accurate and reliable than traditional immunoassays for measuring steroids in serum.
research Enhancement of In Vitro Hair Shaft Elongation in Follicles Stored in Buffers That Prevent Follicle Cell Apoptosis
Storing hair follicles in special buffers with added protective substances can increase hair growth and reduce cell death.
research The effects of biotin supplementation on serum and liver tissue biotinidase enzyme activity and alopecia in rats which were administrated to valproic acid
Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
research Determining the normal cut-off levels for hyperandrogenemia in Chinese women of reproductive age
Normal levels for certain hormones in Chinese women of reproductive age were identified.
research Serum and liver tissue biotinidase enzyme activity in rats which were administrated to valproic acid
Valproic acid may cause hair loss by reducing biotinidase enzyme activity in rats.
research Unusual Presentation of Denys-Drash Syndrome in a Girl with Undisclosed Consumption of Biotin
A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
research Consecutive Cyproterone Acetate and Estradiol Treatment in Late-Pubertal Transgender Female Adolescents
Cyproterone acetate treatment is safe and causes mild feminization, which increases with added estrogen.
research Anti-inflammatory Effects in LPS-treated RAW 264.7 Cells and the Influences on Drug Metabolizing Enzyme Activities by the Traditional Herbal Formulas, Yongdamsagan-Tang and Paljung-san
The traditional herbal formulas Yongdamsagan-Tang and Paljung-san, along with the drug finasteride, can reduce inflammation and may work together without affecting each other's effectiveness against benign prostatic hyperplasia.
research Hair Follicular Expression and Function of Group X Secreted Phospholipase A2 in Mouse Skin
sPLA2-X is crucial for normal hair growth and follicle health.
research Biotin: A friend or foe in hair loss
Biotin doesn't help hair growth in healthy people and can cause health risks if overused.
research Intracrine androgen biosynthesis, metabolism and action revisited
The document concludes that blocking the internal pathways that create androgens might help treat cancers that depend on sex hormones.