September 2025 in “JCEM Case Reports” In this case report, a 46-year-old woman initially diagnosed with 21-hydroxylase deficiency congenital adrenal hyperplasia was later identified as having 3β-HSD2 deficiency after further investigation, highlighting the need for awareness of rarer CAH forms to prevent delayed diagnosis and insufficient treatment.
March 2026 in “Food Science and Biotechnology” In this study, oral administration of blue honeysuckle fruit extract was found to promote hair growth in mice by enhancing dermal papilla cell proliferation and activating β-catenin signaling, suggesting its potential use as a food or cosmetic product for hair regeneration.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers found that CCCA in women of African descent is associated with molecular changes, including dysregulation of fatty acid metabolism and fibrosis pathways, suggesting potential targets for new treatments.
9 citations
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April 2016 in “Clinical Endocrinology” This study suggests that measuring scalp hair 17-hydroxyprogesterone and androstenedione concentrations can be a promising tool for monitoring treatment in children with congenital adrenal hyperplasia.
November 2009 in “Journal of Pediatric Nursing” This case report describes a 6 1/2-year-old girl with significant height growth and early pubic hair development.
This case study reports significant clinical and hormonal improvement in a 21-year-old woman with HAIR-AN syndrome after nine months of treatment with oral contraceptives and spironolactone.
9 citations
,
March 2001 in “Clinics in dermatology” This review examines the causes, assessment, and treatment options for hirsutism but presents no new clinical findings, highlighting the need for further research on managing this condition.
25 citations
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September 2015 in “Clinical Endocrinology” This study found that diagnosing nonclassic congenital adrenal hyperplasia in women based solely on serum 17OHP measurements can lead to false positives, suggesting the need for urinary steroid profiles and genetic testing for confirmation.
16 citations
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October 2019 in “Biological & Pharmaceutical Bulletin” This study suggests that Houttuynia cordata extract may promote hair growth by stimulating dermal papilla cell proliferation and extending the anagen phase through enhanced energy metabolism and gene expression changes.
21 citations
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March 2015 in “Neurological Sciences” This study reports that a novel frameshift mutation in the HTRA1 gene in a CARASIL pedigree led to reduced HTRA1 protein and increased TGF-β1 expression, potentially causing severe CARASIL and peripheral small arterial disease.
September 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This case report suggests that in African-American patients, the histology of Central Centrifugal Cicatricial Alopecia may resemble lichen planopilaris, indicating a potential diagnostic challenge.
216 citations
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November 1999 in “Fertility and Sterility” This study found that a basal 17-hydroxyprogesterone level is effective for screening nonclassic adrenal hyperplasia in women, with a 4 ng/mL cutoff providing high specificity and positive predictive value.
December 2025 in “Plastic & Reconstructive Surgery” This study found that the Bioengineered Exosomal Hair Growth Factors Complex (BEHC™) enhanced human follicle dermal papilla cell proliferation and reduced inflammatory markers in vitro, while significantly decreasing hair shedding and increasing hair density among participants with androgenetic alopecia in an open-label clinical study.
June 2026 in “Journal of Investigative Dermatology” This study reported that the anti-γc antibody hC2 restored hair follicle homeostasis and suppressed hair loss in an AA-like mouse model by inhibiting autoreactive T-cell activity, suggesting that hC2 may offer a safer and more effective treatment for alopecia areata compared to current Jak inhibitors.
7 citations
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December 2011 in “InTech eBooks” This review discusses current and evolving treatment strategies for congenital adrenal hyperplasia in adolescents and adults, focusing on glucocorticoid and mineralocorticoid therapy and the management of insulin resistance, without reporting new clinical results.
30 citations
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March 2012 in “Journal of Analytical Toxicology” This study found that concentrations of THCCOOH in hair do not correlate well with self-reported cannabis use due to inaccuracies in the self-reported data, but it provides preliminary insights into usage patterns.
March 2012 in “Hair transplant forum international” This abstract announces the third annual conference of the Association of Hair Restoration Surgeons in Mumbai in 2011 and reports no new clinical findings.
4 citations
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October 2020 in “Therapeutic drug monitoring” In this study, researchers found that targeting a tacrolimus trough level of 4–7 ng/mL after liver transplantation resulted in comparable graft and patient survival rates to higher levels, while improving liver and kidney function markers.
39 citations
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June 2023 in “Frontiers in Medicine” This review found limited but suggestive evidence that Calcium Hydroxylapatite may promote skin regeneration through increased collagen production, cell proliferation, and angiogenesis, although most studies had methodological limitations.
1 citations
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January 2023 in “Journal of Clinical Medicine” This study reported that Tomorrowlabs HIF strengthening factor [HSF] hair restoration technology significantly improved hair thickness, density, shine, and elasticity, while reducing hair loss by an average of 66.8% and enhancing hair growth by up to 32.5% in subjects with androgenic alopecia over nine months.
February 2026 in “Chromatographia” This study used advanced chromatographic and mass spectrometric techniques to develop a method for reliably detecting 17 hair growth compounds in consumer products, aiming to enhance regulatory compliance and ensure consumer safety against illicit compounds.
1 citations
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August 2024 in “Lasers in Surgery and Medicine” This study observed that calcium hydroxylapatite can be successfully incorporated and retained in the dermis for at least six weeks after fractional laser treatment, with new collagen forming around it.
June 2020 in “Authorea (Authorea)” This study observed that pregnant women experienced an increase in hair cortisol concentrations, with primiparae having significantly higher levels in the last trimester compared to multiparae.
This health hazard evaluation by NIOSH identified problems with ventilation and environmental control at a resort spa, potentially contributing to reported employee health complaints.
151 citations
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December 2004 in “Annals of the New York Academy of Sciences” This review discusses nonclassical 21-hydroxylase deficiency as the most common autosomal recessive disorder in humans and highlights the effectiveness of glucocorticoid treatment in reversing related symptoms.
September 2016 in “Journal of Dermatological Science” This study reports a case of GGCX syndrome in a 55-year-old Japanese male, characterized by PXE-like symptoms and coagulation deficiency, with an unreported phenotype of possible spinocerebellar degeneration.
1 citations
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April 2017 in “Journal of Investigative Dermatology” This proof-of-concept study reported that a new, ultra-fast, one-step immunohistochemistry method improved the interpretation of Mohs surgery slides, particularly for poorly differentiated tumors.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers created a comprehensive transcriptome map of human hair follicle compartments, identifying compartment-specific genes and providing a resource for potential therapeutic interventions.
3 citations
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December 2017 in “Journal of Psychiatric Research” This study found that hair cortisol did not indicate expected hypercortisolism in acutely underweight anorexia nervosa patients and did not change significantly during short-term weight restoration.
January 2026 in “Research Square (Research Square)” This systematic review reports that HAIR-AN syndrome, characterized by severe insulin resistance, hyperandrogenism, and distinctive skin issues, significantly impacts obese women and can improve with treatments like metformin, emphasizing the importance of targeted management to reduce metabolic complications.