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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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 Endocrinology
The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research High-Resolution Mass Spectrometric Investigation of the Phase I and II Metabolites of Finasteride in Pig Plasma, Urine, and Bile
Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.
research Untargeted Scanning of Hair for Drugs of Abuse by Direct Analysis in Real Time–High-Resolution Mass Spectrometry
A new method can quickly and accurately detect drugs in hair.
research Transcriptome Sequencing and Mass Spectrometry Reveal Genes Involved in Non-Mendelian Inheritance-Mediated Feather Growth Rate in Chickens
The research found specific genes and proteins that affect how fast chickens' feathers grow, which is not solely determined by traditional inheritance patterns.
research Electrochemical Detector for Liquid Chromatography: Determining Minoxidil in Hair-Growth Pharmaceuticals
The method effectively detects minoxidil in hair-growth products.
research Proteomics as a Tool to Improve Novel Insights into Skin Diseases: What We Know and Where We Should Be Going
Proteomics combined with other technologies can lead to a better understanding of skin diseases.
research Quantification of Squalene and Lactic Acid in Hair Bulbs with Damaged Sheaths: Are They Metabolic Wastes in Alopecia?
Squalene may be a marker for certain types of alopecia.
research Determination of Finasteride and Its Metabolite in Urine by Dispersive Liquid-Liquid Microextraction Combined with Field-Enhanced Sample Stacking and Sweeping
New method accurately measures finasteride and M3 in urine, helping evaluate pharmacokinetics.
research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production
Testosterone's muscle-building effects do not require its conversion to DHT.
research Hyperandrogenemia in Women with Polycystic Ovary Syndrome: Prevalence, Characteristics, and Association with Body Mass Index
High levels of male hormones are very common in women with PCOS and affect their metabolism differently depending on their weight.
research Prolonged Hypotension Induced by Ingesting a Topical Minoxidil Solution: Analysis of Minoxidil and Its Metabolites
Swallowing a lot of minoxidil, a hair growth liquid, can cause severe and long-lasting low blood pressure.
research Hyperandrogenism and Cardiometabolic Risk in Pre- and Postmenopausal Women: What Is the Evidence?
Hyperandrogenism increases heart disease risk in premenopausal women, but this risk is linked to obesity in postmenopausal women.
research Cross-Sex Hormone Therapy in Trans Persons Is Safe and Effective at Short-Term Follow-Up: Results from the European Network for the Investigation of Gender Incongruence
Hormone therapy for trans individuals is effective and generally safe in the short term.
research Polycystic Ovary Syndrome, Androgen Excess, and the Risk of Nonalcoholic Fatty Liver Disease in Women: A Longitudinal Study Based on a United Kingdom Primary Care Database
Women with PCOS are more than twice as likely to develop nonalcoholic fatty liver disease.
research Defining Hyperandrogenaemia According to the Free Androgen Index in Chinese Women: A Cross-Sectional Study
FAI values above 6.4 may suggest high androgen levels and increased metabolic risks in Chinese women of reproductive age.
research The Effect of Dietary Modulation of Sulfur Amino Acids on Cystathionine Beta Synthase–Deficient Mice
Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
research Androgen Profile in Chinese Women with Polycystic Ovary Syndrome in Their Reproductive Years
Chinese women with PCOS have higher androgen levels, which change with age and weight.
research An Adolescent Girl with Coexisting Ovarian Mature Cystic Teratoma and HAIR-AN Syndrome, an Extreme Subtype of Polycystic Ovarian Syndrome
A teenage girl had both a rare ovarian tumor and a severe form of polycystic ovarian syndrome.
research Putative Role for Insulin Resistance in Depression Risk in Polycystic Ovary Syndrome
Insulin resistance is significantly linked to a higher risk of depression in women with PCOS.
research Androgens in Postmenopausal Women
Testosterone in older women can increase bone density, muscle mass, fat mass, improve memory, and boost libido, but may cause nipple color changes.
research Vitamin D Status Assessment: Lack of Correlation Between Serum and Hair 25-Hydroxycholecalciferol Levels in Healthy Young Adults
Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
research Rapid Determination of Finasteride in Human Plasma by UPLC-MS/MS and Its Application to Clinical Pharmacokinetic Study
New method measures finasteride in blood quickly and accurately.
research Patients Treated for Male Pattern Hair Loss with Finasteride Show Altered Levels of Neuroactive Steroids in Cerebrospinal Fluid and Plasma After Discontinuation
Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
research Quantitative Proteomic Analysis of Dermal Papilla from Male Androgenetic Alopecia Comparing Before and After Treatment with Low-Level Laser Therapy
Low-level laser therapy improves hair growth and dermal papilla cell function.
research Workplace Drug Testing Using Hair Samples
Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
research Matrix Matching in Quantitative Bioanalysis by LC-MS/MS: A Dream or a Reality?
Accurate quantitative bioanalysis using LC-MS/MS is challenging due to matrix effects, but using internal standards and new methods like in-sample calibration could improve results.