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.
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180-210 / 1000+ results research Establishing and Verifying a Robust Liquid Chromatography-Tandem Mass Spectrometry Method to Simultaneously Measure Seven Androgens Present in Plasma Samples
The method accurately measures seven androgens in plasma and shows different hormone levels in females with acne and obesity.
research Distribution of polyamines may be altered in different scalp regions of patients with hair loss
Hair loss patients may have different polyamine levels in various scalp areas.
research Assisted reproductive outcomes in women with different polycystic ovary syndrome phenotypes
Women with different PCOS types have similar fertility treatment results.
research Simultaneous determination of multi-class active pharmaceutical ingredients by UHPLC-HRMS
A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
research High-throughput and direct measurement of androgen levels using turbulent flow chromatography liquid chromatography-triple quadrupole mass spectrometry (TFC-LC-TQMS) to discover chemicals that modulate dihydrotestosterone production in human prostate cancer cells
Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
research Sex steroid levels in corresponding cerebrospinal fluid and serum samples quantified by mass spectrometry in men
DHEA is the main sex steroid in cerebrospinal fluid, and testosterone in the fluid comes from the blood.
research Perturbations in fatty acid metabolism and collagen production infer pathogenicity of a novel MBTPS2 variant in Osteogenesis imperfecta
A new MBTPS2 gene variant disrupts fat metabolism and collagen production, causing Osteogenesis imperfecta.
research Screening and confirmation methods of the major urinary metabolite of finasteride–carboxy-finasteride by liquid chromatography–mass spectrometry and liquid chromatography–tandem mass spectrometry
New methods can detect finasteride's major urinary metabolite in urine for up to 49 hours.
research The impact of COVID-19 pandemic and lockdown on chronic stress assessed by hair cortisol analysis via LC-MS/MS
Chronic stress increased after lockdown, especially in young adults and females.
research Retrospective diagnosis of intrauterine diselementosis in newborn calves
The conclusion is that normal trace element levels in newborn calves' hair are between the 25th and 75th percentiles, and levels outside this may indicate diselementosis.
research Human Scalp Hair Follicles Express Prostaglandin E2 Lipid Mediator and Receptors For Pge2
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
research Triton modified polyethyleneimine conjugates assembled with growth arrest-specific protein 6 for androgenetic alopecia transdermal gene therapy
The treatment effectively promotes hair regrowth in androgenetic alopecia without causing skin irritation.
research Testosterone Supplementation for Aging-Associated Sarcopenia
Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
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.
research Premature Adrenarche
Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
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 Fully automated chip-based nanoelectrospray ionization-mass spectrometry as an effective tool for rapid and high-throughput screening of 5α-reductase inhibitors
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 Minoxidil cyclodextrin inclusion complex-loaded microemulsions and transfersomes for androgen alopecia treatment: a comparative study
research Biomimetics Through Bioconjugation of 16- Methylheptadecanoic Acid to Damaged Hair for Hair Barrier Recovery
16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
research A volatile producing Bacillus subtilis strain from the rhizosphere of Haloxylon ammodendron promotes plant root development
The conclusion is that certain chemicals from Bacillus subtilis help improve plant root growth through a hormone-related process.
research Simultaneous quantitation of nine hydroxy-androgens and their conjugates in human serum by stable isotope dilution liquid chromatography electrospray ionization tandem mass spectrometry
A new method accurately measures nine specific hormones in human blood.
research Increased Susceptibility to Skin Carcinogenesis Associated with a Spontaneous Mouse Mutation in the Palmitoyl Transferase Zdhhc13 Gene
A mouse gene mutation increases the risk of skin cancer.
research A lipid–polymer hybrid nanoparticle (LPN)-loaded dissolving microneedle patch for promoting hair regrowth by transdermal miR-218 delivery
The microneedle patch effectively promotes hair regrowth by delivering miR-218.
research Study on the Efficacy and Potential Mechanism of Topical Shen Bai Hair Growing Decoction against Androgenetic Alopecia Based on Ultrahigh Performance Liquid Chromatography Quadrupole Time-of-Flight Mass Spectrometry and RNA-seq
The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.
research Virilization from partner's use of topical androgen in a reproductive-aged woman
A woman's virilization symptoms were caused by her partner's use of testosterone cream, which resolved after they separated.
research Steroid Cell Tumours: Rare Ovarian Tumours that Cause Hyperandrogenaemia in Postmenopausal Women
Rare ovarian tumors can cause increased male hormones in postmenopausal women; surgery is an effective treatment.
research Impact of Iron Deficiency on the Individual
Iron deficiency can cause hair loss and often signals underlying health issues.
research Quantification of nanoparticle uptake into hair follicles in pig ear and human forearm
Phospholipid-coated nanoparticles penetrate hair follicles better than others, especially in pig ears.