January 2005 in “Zhonghua chuangshang guke zazhi” This study found that human hair keratin can effectively induce peripheral nerve regeneration in rats, showing good biocompatibility and a controllable degradation rate when used as a scaffold material.
January 2026 in “International journal of research and scientific innovation” This paper reviews studies on stress-related biomarkers such as ghrelin, cortisol, and interleukin-6, highlighting their potential roles in stress and psychiatric illnesses, without providing new experimental data.
1 citations
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December 2018 in “Journal of genetic medicine” In this case report, a 20-year-old male with tricho-rhino-phalangeal syndrome was found to have a de novo frameshift mutation in the TRPS1 gene, highlighting the challenges in diagnosing this rare disorder.
38 citations
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October 2001 in “British Journal of Dermatology” This study identified a new keratin, K6irs, as a potential histological marker for the inner root sheath of hair follicles in mice and humans, and as a candidate gene for hereditary hair defects.
July 2026 in “Theranostics” This study developed a novel ferritin-based delivery system (LR@Fn) that effectively co-delivers RG108 and LLY283 for hearing loss treatment in animal models, reducing hair cell loss and synaptic damage more effectively than dexamethasone.
3 citations
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June 2002 in “PubMed” This case report describes the diagnosis of Netherton's syndrome in two young sisters, attributing their serious erythrodermia, poor hair growth, and atopic conditions to this hereditary condition.
January 1998 in “International Society of Hair Restoration Surgery” This report details the first examination for the American Board of Hair Restoration Surgery, where 27 out of 32 candidates passed both parts of the test, but it presents no new research findings.
56 citations
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November 2007 in “Molecular and cellular endocrinology” This study identified enzymes responsible for regulating androgen action in the human prostate, suggesting that inhibiting AKR1C2 or RL-HSD may have therapeutic potential in androgen insufficiency or benign prostatic hyperplasia, respectively.
5 citations
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February 2016 in “Hanbang an i bi inhu pibugwa hakoeji/Hanbang an'i'bi'in'hu pibu'gwa haghoeji” This study found that HRHDT combined with microneedle therapy improved hair growth in a mouse model of alopecia more effectively than microneedle therapy alone.
64 citations
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March 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” This study describes GPRC5D's unique expression pattern in tissues that produce hard keratin, with retinoic acid inducing its expression in hair bulb cells and affecting keratin gene regulation.
January 2026 in “Open Science Framework” 5 citations
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September 2021 in “Journal of Molecular Histology” In this study, the researchers identified LHX2 as a specific marker for hair follicle placodes, differentiating them from eccrine sweat gland placodes through double immunofluorescence staining.
July 2025 in “Clinical Case Reports” In this case report, a 17-year-old male with a specific TRPS1 gene mutation presented with sparse, soft hair, short thumbs and toes, misaligned teeth, and distinctive bone abnormalities in the fingers and toes as observed through X-ray analysis.
68 citations
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February 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” This study found that keratin films made from human hair can potentially substitute for human nail plates in drug permeability studies, but they show higher sensitivity to penetration enhancers compared to bovine hooves.
This study identified a novel E413K mutation in the hHb6 gene in a Chinese Han family with monilethrix, potentially linked to the characteristic moniliform hair structure.
January 2003 in “Zhongguo linchuang jiepouxue zazhi” In this rat study, HHK implantation after spinal cord injury did not significantly improve locomotion but may have integrated into the spinal tissue, potentially aiding recovery and reconstruction.
November 2024 in “Journal of Investigative Dermatology” In this study, researchers investigated changes in ribosomal RNA modifications associated with stress-induced cellular senescence in human skin cells, identifying potential biomarkers and targets for interventions to mitigate skin aging.
10 citations
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January 1989 in “Archives of Dermatological Research” The method effectively analyzes human hair proteins, especially nonfilamentous ones.
21 citations
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March 2003 in “Clinical and Experimental Dermatology” This study found two recurrent missense mutations in the hHb6 gene associated with monilethrix in families from Russia and Colombia, supporting their role in this hair disorder worldwide.
In this study, baseline neutrophil-to-lymphocyte ratio (NLR) was associated with predicting early trichoscopic response in patients undergoing PRP-based treatment for non-scarring alopecia.
September 2023 in “International journal of science and healthcare research” In this report, a preterm neonate was found to have total irreversible hair loss due to congenital atrichia, confirmed by a mutation in the human hairless gene on chromosome 8p22, illustrating this rare autosomal recessive disorder.
17 citations
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June 2019 in “BMC genomics” This study cataloged several long non-coding RNAs and microRNAs in cashmere goat dermal papilla cells, suggesting these non-coding RNAs may play a role in hair follicle stem cell activation and hair growth.
March 2020 in “Hair transplant forum international” This article reports on a Consent Agreement by the New York State Board charging Dr. Dennis Daly with professional misconduct related to unqualified and unlicensed practice.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, RNA integrity in horse hair follicles stored at various conditions in RNAlater® was maintained, showing that storing them at cool or room temperature for up to a week does not compromise RNA quality or concentration.
September 2022 in “Research Square (Research Square)” This study found that overexpressing Rps14 in supporting cells promoted hair cell regeneration in the organ of Corti by facilitating cell proliferation and differentiation.
September 2025 in “International Society of Hair Restoration Surgery” This article discusses governance updates by the American Board of Hair Restoration Surgery to improve transparency and professionalism, but it reports no new research findings.
26 citations
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December 2003 in “Experimental Dermatology” In this study, researchers identified two de novo germline missense mutations in the hair keratins hHb1 and hHb6 in patients with monilethrix whose parents were not clinically affected.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study investigated the effects of a recombinant human collagen complex on hair growth, finding it enhanced survival and function of hair follicle stem cells and promoted hair growth in rat models, suggesting its potential for hair loss prevention and hair health maintenance.
December 2000 in “日本組織細胞化学会総会プログラムおよび抄録集”
September 2014 in “International Journal of Dermatology and Venereology” This review explores the roles of histamine receptors H2R, H3R, and H4R in treating various dermatoses but reports no new clinical outcomes.