31 citations,
January 2018 in “Pediatric annals” Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
30 citations,
March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
27 citations,
April 2013 in “Reviews in endocrine and metabolic disorders” 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.
27 citations,
July 2001 in “Journal of Pharmaceutical and Biomedical Analysis” Finasteride remains stable for two years with proper storage.
21 citations,
November 2010 in “Talanta” Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
20 citations,
October 2017 in “Drug testing and analysis” Drugs localize differently in hair strands based on their properties.
15 citations,
October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
15 citations,
October 2010 in “Archives of Toxicology” A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
15 citations,
March 2007 in “Journal of Pharmaceutical and Biomedical Analysis” Method measures finasteride in plasma, suitable for pharmacokinetic studies.
14 citations,
June 2020 in “Drug Testing and Analysis” A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
14 citations,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
12 citations,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
11 citations,
November 2001 in “Journal of Chromatography B: Biomedical Sciences and Applications” Finasteride and analogues separated using LC-MS-MS technique.
9 citations,
June 2014 in “Nutrition and Cancer” Eclipta alba extract may work as an anticancer agent and help reverse drug resistance.
7 citations,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
7 citations,
January 1990 in “Eisei kagaku” Chemical analysis of hair products on human hair can help identify specific brands and link suspects to victims.
6 citations,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
5 citations,
April 2022 in “Journal of Chromatography B” The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.
4 citations,
May 2021 in “Molecules” 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.
3 citations,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
3 citations,
July 2019 in “Experimental Dermatology” Hair loss patients may have different polyamine levels in various scalp areas.
3 citations,
May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
2 citations,
August 2020 in “JCRPE” A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
Early diagnosis and proper treatment improve outcomes for methylmalonic acidemia.
1 citations,
May 2023 in “Frontiers in endocrinology” A new MBTPS2 gene variant disrupts fat metabolism and collagen production, causing Osteogenesis imperfecta.
1 citations,
October 2022 in “PubMed” Gender affects wool traits in sheep, with males and females showing differences in skin proteins related to wool growth.
December 2023 in “Annals of phytomedicine” Dutasteride is more effective than finasteride for hair loss treatment.
June 2023 in “Clinica Chimica Acta” Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The research identified unique metabolic activities in immune cells associated with hair loss in Alopecia Areata.
July 2022 in “Journal of Investigative Dermatology” Skin produces different hormones depending on body part and sex, and a new method can measure them.