research A new hair follicle-derived human epidermal model for the evaluation of sunscreen genoprotection
The new lab-grown skin model is good for testing sunscreen's protection against DNA damage from UV light.
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research Keratinocyte Stem Cells but Not Melanocyte Stem Cells Are the Primary Target for Radiation-Induced Hair Graying
Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.
research High resolution full scan liquid chromatography mass spectrometry comprehensive screening in sports antidoping urine analysis
The method effectively detects banned substances in urine for sports antidoping.
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 Finasteride Quantification in Human Plasma by High-Performance Liquid Chromatography Coupled to Electrospray Ionization Tandem Mass Spectrometry. Application to a Comparative Pharmacokinetics Study
New method measures finasteride in plasma, finds two formulations bioequivalent.
research High-performance liquid chromatographic determination of the enantiomers of the benzoquinolinone LY 191704, a human type 1 5α-reductase inhibitor, in plasma
Researchers developed a method to measure different forms of a drug that could help treat prostate issues and hair loss, and found how these forms behave in animals.
research The patch assay reconstitutes mature hair follicles by culture-expanded human cells
The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.
research A high-performance liquid chromatography–tandem mass spectrometry assay of the androgenic neurosteroid 3α-androstanediol (5α-androstane-3α,17β-diol) in plasma
Testosterone increases 3α-androstanediol levels, which can be blocked by finasteride.
research Simultaneous determination of 30 hormones illegally added to anti-ageing functional foods using UPLC-MS/MS coupled with SPE clean-up
New method effectively detects illegal hormones in anti-aging foods.
research Influence of feed restriction on the wool proteome: A combined iTRAQ and fiber structural study
Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
research Review of Fluconazole Properties and Analytical Methods for Its Determination
The document concludes that validated methods are needed to ensure the quality of fluconazole drugs and that new antifungal medications are necessary due to safety and resistance concerns.
research A quantitative ultra-performance liquid chromatography high-resolution mass spectrometry analysis of steroids from human scalp hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
research Consumption of fish oil high-fat diet induces murine hair loss via epidermal fatty acid binding protein in skin macrophages
Eating a high-fat fish oil diet caused mice to lose hair due to a specific immune cell activity in the skin linked to a protein called E-FABP.
research Urinary 5-ene-steroid excretion in non-classical congenital adrenal hyperplasia due to 3β-hydroxysteroid dehydrogenase deficiency (NC-3BHSD)
Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
research High migratory activity of dermal sheath cup cells associated with the clinical efficacy of autologous cell-based therapy for pattern hair loss
Cells that move well may improve hair loss treatments by entering hair follicles.
research Method development and estimation of minoxidil by gas chromatography
A new method using gas chromatography effectively measures minoxidil in drugs and biological samples.
research Analysis of Gene Expression in Isolated Single Hair Follicles: An Approach Using Semiquantitative Reverse-Transcriptase—Polymerase Chain Reaction
Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.
research Improved forensic hair evidence for drugs of abuse by mass spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research The Role of PPARβ/δ-Related Lipid Metabolism in High-Altitude Adaptation of Yak Coat Based on Proteomics and Metabolomics
PPARβ/δ helps yaks adapt to high altitudes by regulating lipid metabolism in their coats.
research Leydig Cell Hyperplasia and Adenomas in Mice Treated with Finasteride, a 5α-Reductase Inhibitor: A Possible Mechanism
High doses of finasteride cause cell growth and tumors in mice.
research A Two-Stepped Culture Method for Efficient Production of Trichogenic Keratinocytes
A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.
research Liposomal systems as drug delivery vehicles for dermal and transdermal applications
Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.
research Regeneration of Hair Follicles Is Modulated by Flightless I (Flii) in a Rodent Vibrissa Model
Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
research The Role of 11-Oxygenated Androgens and Endocrine Disruptors in Androgen Excess Disorders in Women
PCOS involves high 11-oxygenated androgens and BPA may worsen it, while IH is not inflammatory.
research ANNOUNCEMENTS
A woman with lupus had hair loss and skin issues that were successfully treated with medications.
research Structural characterization of cyclosporin A, C and microbial bio-transformed cyclosporin A analog AM6 using HPLC–ESI–ion trap-mass spectrometry
Researchers developed a method to identify and analyze cyclosporin compounds and their structures effectively.
research Localized cutaneous necrosis associated with the antiphospholipid syndrome
A woman with lupus experienced skin death due to a blood clotting disorder after stopping a blood thinner, which healed with treatment.
research Platelet sonicates activate hair follicle stem cells and mediate enhanced hair follicle regeneration
Sonicated platelet-rich plasma boosts hair growth by activating stem cells.
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of dehydroepiandrosterone sulfate in human serum and plasma
A new method accurately measures DHEAS in blood, improving on current tests.
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma
The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.