April 2012 in “Neuropediatrics” This article reviews the genetic and phenotypic characteristics of Trichothiodystrophy and discusses the associated DNA repair defects, but does not report new clinical findings.
November 2025 in “PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS” This study found that taurine significantly mitigated DHT-induced androgenetic alopecia in male C57BL/6 mice by promoting hair regrowth, enhancing hair follicle cycle progression, reducing apoptosis, and downregulating key androgen-related signaling pathways, highlighting its potential as a therapeutic candidate for hair loss management.
2 citations
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January 2023 in “Anais Brasileiros de Dermatologia” 26 citations
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July 2006 in “International Journal of Cosmetic Science” This study found that taurine uptake by isolated human hair follicles promoted hair survival and protected against TGF-β1-induced damage in an in vitro setting.
May 2008 in “10th European Congress of Endocrinology” This study discovered that TTR is expressed in the human placenta as early as 6 weeks gestation, with increased levels in the first trimester potentially facilitating thyroid hormone delivery to the fetus.
December 2024 in “Animals” In this study, Tithonia diversifolia extract was found to improve certain digestive parameters in crossbred sheep but did not enhance growth performance, as the improvements in digestion did not translate into increased body weight or feed conversion.
47 citations
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April 2003 in “Journal of dermatological science” This study showed that Thujae occidentalis semen extract inhibited 5alpha-reductase type 2 in laboratory tests and reduced androgen-related hair loss in animal models, suggesting potential use for male pattern baldness.
May 2022 in “Experimental dermatology” In this study, hair shafts from trichothiodystrophy patients with ERCC2 mutations revealed abnormal cuticle structures and protein imbalances compared to normal hair shafts.
4 citations
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December 2020 in “International journal of research - granthaalayah” This study found that tetracycline can adhere to hair follicle structures and disrupt cell metabolism, potentially damaging healthy human cells as well as pathogens.
October 2025 in “Biomedicines” This study suggests that Terminalia chebula fruit extract may promote hair growth in androgenetic alopecia by activating specific signaling pathways and inhibiting 5α-reductase, showing effectiveness comparable to finasteride.
22 citations
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May 2003 in “Planta Medica” This study found that torilin from Torilis japonica fruit extract inhibited 5 alpha-reductase in vitro more effectively than alpha-linolenic acid but less effectively than finasteride.
35 citations
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September 2003 in “Archives of dermatology” This study proposed that the tiger tail phenomenon in trichothiodystrophy hair is caused by regular undulations of hair fibers, altering the optical properties seen under polarized light.
7 citations
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November 1997 in “Pediatric Dermatology” This case report identifies an association between trichothiodystrophy and a urologic malformation with primary hypercalciuria, adding to the spectrum of TTD-related abnormalities.
4 citations
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April 2005 in “UNESP Institutional Repository (São Paulo State University)” This study found that Guazuma ulmifolia, known for its use in hair loss treatment, contains polyphenolic compounds in its bark, particularly flavonoids, tannins, saponins, and mucilages.
August 2019 in “Key engineering materials” This study found that Carthamus tinctorius floret extract, at a concentration of 0.05 mg/mL, significantly inhibited 5α-reductase activity in DU-145 cells more effectively than standard treatments finasteride and dutasteride, with a stable microemulsion formulation enhancing its skin permeation and stability.
January 2009 in “Lishizhen Medicine and Materia Medica Research” The researchers reported that the aqueous extract of Urtica fissa E.Pritz inhibited 5α-reductase activity in vitro.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This source describes alopecia as a hair loss condition often driven by genetic and androgenic factors, with lifestyle elements like chemical treatments exacerbating the issue; Ayurvedic texts caution against scalp toxins and suggest traditional formulations for support.
3 citations
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February 2019 in “Molecular genetics and metabolism” This study found that coadministration of tadalafil and finasteride improved lower urinary tract symptoms and erectile function in men with benign prostatic hyperplasia better than finasteride alone over 26 weeks.
2 citations
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February 2019 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Tufted folliculitis is common in patients with folliculitis decalvans.
December 2023 in “Journal of ethnopharmacology” This study found that tribuloside, a flavonoid from Tribulus terrestris L., enhances melanin production in human melanocytes, zebrafish, and human skin samples without causing toxicity, potentially through inhibiting PDE to increase cAMP levels and promote the melanin biosynthesis pathway.
March 2026 in “Drug Testing and Analysis” This study observed that the degradation product PTeCA significantly increased in hair treated with oxidative cosmetics, suggesting it could be a reliable marker for detecting such treatments, with a proposed PTCA cut-off value using PTeCA as the gold standard.
45 citations
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March 1997 in “Journal of Investigative Dermatology” TCDD changes skin gene expression and may harm skin health.
3 citations
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November 1998 in “PubMed” This study found that finasteride significantly inhibits the metabolism of tirilazad to its active metabolites without greatly affecting tirilazad's overall clearance.
10 citations
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January 1997 in “Dermatology” This case report details two siblings with trichothiodystrophy, identifying reduced hair sulfur content as essential for diagnosis despite varied symptoms complicating recognition.
1 citations
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July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” In this open-label trial, Tofacitinib was well tolerated and improved IFN and cytokine scores, as well as overall skin pathology, in individuals with Down syndrome and immune skin conditions.
2 citations
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September 2024 in “PLoS ONE” This study suggests that combining bendamustine with tucidinostat may improve survival in patients with relapsed or refractory adult T-cell leukemia/lymphoma, highlighting its potential for clinical investigation.
September 2025 in “Journal of Health Sciences” In this study, researchers developed an antioxidant hair tonic using Dipteryx odorata (cumaru) extract, aimed at treating scalp psoriasis, which could potentially improve quality of life for patients due to its natural anti-inflammatory and antioxidant properties.
1 citations
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February 2022 in “Clinical, Cosmetic and Investigational Dermatology” In this study, researchers found that the thyroxine receptor agonist TDM10842 accelerated the onset of anagen, a hair growth phase, in C3H mice, potentially through activation of the Wnt/beta-catenin and Hedgehog pathways, with Pclaf playing a key role in this process.
May 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that TET2 plays a tumor-suppressive role in preventing squamous cell carcinomas by regulating 5-hydroxymethylcytosine levels, suggesting therapeutic potential for DNA methylation dynamics.