research Androgen Profile Through Life in Women With Polycystic Ovary Syndrome: A Nordic Multicenter Collaboration Study
Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
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research Bioengineered Plants Can Be a Useful Source of Omega-3 Fatty Acids
Genetically modified plants could be an important source of omega-3 fats to meet global needs.
research Endogenous steroid hormones in hair: Investigations on different hair types, pigmentation effects and correlation to nails
Body hair isn't a good substitute for scalp hair in steroid analysis.
research Premature Adrenarche
Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
research UHPLC/Q-TOFMS-based plasma metabolomics of polycystic ovary syndrome patients with and without insulin resistance
The research found different metabolism changes in PCOS patients and suggested new potential markers for diagnosing PCOS with or without insulin resistance.
research Revisiting hyper- and hypo-androgenism by tandem mass spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
research Citrullinome of Porphyromonas gingivalis Outer Membrane Vesicles: Confident Identification of Citrullinated Peptides
Citrullinated proteins from Porphyromonas gingivalis may contribute to rheumatoid arthritis.
research Different localizations of drugs simultaneously administered in a strand of hair by micro‐segmental analysis
Drugs localize differently in hair strands based on their properties.
research Analysis of hair follicle penetration of lidocaine and fluorescein isothiocyanate-dextran 4 kDa using hair follicle-plugging method
Hair follicles are important for the absorption of certain drugs into the skin.
research Studies on the persistence of estradiol benzoate and nortestosterone decanoate in hair of cattle following treatment with growth promoters, determined by ultra-high-performance liquid chromatography–tandem mass spectrometry
Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.
research Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research Vitamin D receptor ablation alters skin architecture and homeostasis of dendritic epidermal T cells
Lack of Vitamin D receptor changes skin structure and increases certain immune cells in the skin.
research Detectability of oxandrolone, metandienone, clostebol and dehydrochloromethyltestosterone in urine after transdermal application
Transdermal exposure to certain steroids can be detected in urine for up to 14 days.
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 Study on dissolution mechanism of cortisol and cortisone from hair matrix with liquid chromatography–tandem mass spectrometry
Cortisol and cortisone release from hair increases in steps over time during incubation.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
research Comparative Proteomic Analysis in Scar-Free Skin Regeneration in Acomys cahirinus and Scarring Mus musculus
The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
research Diagnostic Thresholds for Androgen-Producing Tumors or Pathologic Hyperandrogenism in Women by Use of Total Testosterone Concentrations Measured by Liquid Chromatography-Tandem Mass Spectrometry
Total testosterone levels can help diagnose androgen-producing tumors and hyperandrogenism in women.
research Invalidation of a commercially available human 5α-dihydrotestosterone immunoassay
The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
research Cheating on forensic hair testing? Detection of potential biomarkers for cosmetically altered hair samples using untargeted hair metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
research The profile of steroid hormones in human fetal and adult ovaries
Fetal ovaries produce different hormones than adult ovaries, and endocrine-disrupting chemicals may affect this process.
research Measurement of steroid hormones by liquid chromatography-tandem mass spectrometry with small amounts of hair
A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
research Androgens in Women – Critical Evaluation of the Methods for Their Determination in Diagnostics of Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research Determination of 19 Steroid Hormones in Human Serum and Urine Using Liquid Chromatography-Tandem Mass Spectrometry
The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
research Disappearance of Tramadol and THC-COOH in Hair After Discontinuation of Abuse. Two Different Profiles
Tramadol and THC-COOH can be detected in hair for several months after stopping use.
research Sex Hormones and Hair Loss in Men From the General Population of Northeastern Germany.
Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
research A Comprehensive Approach in Diagnosing the Polycystic Ovary Syndrome
The document concludes that diagnosing PCOS requires a thorough approach, considering various symptoms and risks, and calls for improved methods to identify PCOS types and prevent diabetes.
research From hair to liver: emerging application of hair follicle mesenchymal stem cell transplantation reverses liver cirrhosis by blocking the TGF-β/Smad signaling pathway to inhibit pathological HSC activation
Hair follicle stem cell transplants can reverse liver cirrhosis by blocking harmful cell activation.
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Line‐field confocal optical coherence tomography: Characteristic hints for the diagnosis of scarring alopecia due to lupus erythematodes: A preliminary study
LC-OCT can help identify lupus-related scarring hair loss by spotting unique features.