124 citations
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July 2017 in “eLife” This study found that COL17 deficiency in neonatal mice causes abnormal skin cell proliferation due to disrupted Wnt signaling, while replenishing or overexpressing COL17 can reverse this effect in both neonatal and aged skin.
27 citations
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July 2013 in “Journal of Investigative Dermatology” Revertant cell therapy shows promise for treating type XVII collagen deficiency, but better cell selection methods are needed.
11 citations
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June 2019 in “Tissue & Cell” This study indicates that COL17A1 plays a crucial role in the differentiation process of hair-follicle-associated pluripotent stem cells.
April 2026 in “Frontiers in Cell and Developmental Biology” This study found that exosomes from human umbilical cord mesenchymal stem cells reduced hair follicle aging and promoted hair regeneration in models by upregulating COL17A1 through the miR-21-5p/DKK2/Wnt/β-catenin axis, outperforming existing treatments like minoxidil.
This study found that recombinant human type XVII collagen (rhCOL17A1) promotes hair growth by activating the Wnt/β-catenin and SHH/GLI signaling pathways and increasing type XVII collagen expression, with significant effects observed in both cell and mouse models.
June 2024 in “Synthetic and systems biotechnology” In this study, researchers identified a collagen fragment, sample-1707, expressed in E. coli, which forms nanofibers and promotes blood clotting, osteoblast differentiation, and skin cell regeneration, making it a promising biomaterial for skin care, with a large-scale production yield of 600 mg/L.
This study found that in mice, type XVII collagen is essential for controlling epidermal cell proliferation through Wnt signaling, with its deficiency or altered distribution leading to skin hyperproliferation and aging-like changes.
This study found that type XVII collagen (COL17) regulates interfollicular epidermis proliferation in both neonatal and aged mice through Wnt signaling, suggesting its potential as a target for anti-aging skin strategies.
This study found that type XVII collagen is crucial for regulating epidermal cells' proliferation in mice and may be a promising target for anti-aging skin treatments.
September 2022 in “PubMed” This study found that decreased COL17α1 expression in aging mouse skin is associated with reduced proliferation of epidermal stem cells and may contribute to thinner epidermis and slower wound healing.
5 citations
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April 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This article discusses junctional epidermolysis bullosa caused by COL17 deficiency, noting a lack of experimental therapies and the impact of nonsense mutations, but it reports no new clinical results.
May 2025 in “International Journal of Biological Macromolecules” In this study, an innovative microneedle platform loaded with IGF-1 and modified collagen was reported to significantly promote hair regeneration, enhance neovascularization, and reduce inflammation in a mouse model of androgenetic alopecia, outperforming the commonly used minoxidil treatment.
June 2025 in “Frontiers in Bioengineering and Biotechnology” In this study, the researchers observed that a recombinant human collagen complex with nicotinamide promoted hair growth in rat models, increased hair follicle stem cell survival, and enhanced key protein expression, suggesting potential benefits for hair health and loss prevention.
May 2025 in “Acta Biomaterialia” This study developed microneedles combining insulin-like growth factor-1 and type XVII collagen, showing more effective hair regeneration and reduced inflammation compared to minoxidil in a mouse model of androgenetic alopecia.
142 citations
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February 2016 in “Science” This review discusses the role of Foxc1 and type XVII collagen in hair follicle stem cell quiescence and aging, identifying mechanisms that relate to hair thinning and hair loss, and reports no new results.
51 citations
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January 1997 in “PubMed” This review outlines the genetic basis of GABEB, highlighting reduced type XVII collagen as a distinguishing marker from Herlitz JEB, and discusses potential therapeutic avenues without presenting new results.
42 citations
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February 2016 in “Science” The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.
8 citations
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April 2017 in “Journal of Dermatological Science” The study found that aging in hair follicle stem cells leads to hair follicle miniaturization and eventual hair loss in both wild-type mice and humans by proteolyzing type XVII collagen.
5 citations
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November 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that inhibiting Wnt/β-catenin signaling disrupted hemidesmosome organization in keratinocytes, suggesting potential therapeutic targets for HD-defective diseases like epidermolysis bullosa.
July 2025 in “Journal of Investigative Dermatology” Tissue-engineered skin substitutes can model junctional epidermolysis bullosa and may help develop gene therapy.
September 2017 in “Journal of Investigative Dermatology” Loss of COL17A1 causes hair follicle stem cells to age and leads to hair loss.
February 2016 in “Science” This research found that Foxc1 promotes quiescence in hair follicle stem cells and identified COL17A1 depletion, due to DNA damage, as a cause of hair thinning and loss during aging.
63 citations
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March 2018 in “Experimental Dermatology” This review explores the physiological roles of collagen XVII in the epidermis, its involvement in stem cell maintenance, and its connections with signaling pathways, but it reports no new results.
December 2021 in “Journal of Investigative Dermatology” This study reports that inhibition of Wnt/β-catenin signaling disrupts hemidesmosome organization in keratinocytes by altering the localization of components like plectin and collagen XVII.
9 citations
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January 2022 in “Theranostics” This review discusses the role of collagen XVII in maintaining stem cell niches and its impact on skin aging and wound repair, without reporting new clinical results.
November 2025 in “Archives of Dermatological Research” This study found that Limelight (CB-EVs) exosomes significantly promoted hair elongation ex vivo without cytotoxicity, suggesting potential as a safe and effective hair growth therapy.
May 2026 in “Journal of Dermatological Science” This review highlights that collagen XVIIα1's role in maintaining dermal-epidermal junction integrity and hair follicle stem cell maintenance is compromised with age due to reduced levels and increased processing, potentially affecting skin and hair aging.
8 citations
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February 2020 in “Journal of Drug Delivery Science and Technology” This study demonstrated that using PLGA nanoparticles to deliver chlorogenic acid significantly increased type 17 collagen production in human epidermal cells, indicating potential for improved skincare formulations.
January 2025 in “Regenerative Biomaterials” This study found that a microneedle patch with recombinant collagen XVII significantly improved hair coverage, follicle density, and angiogenesis in an androgenic alopecia mouse model, showing potential as a novel therapeutic strategy alongside established treatments like minoxidil.
February 2025 in “Experimental Cell Research” In this laboratory study, the researchers found that combining dermal papilla cell-derived exosomes with collagenous sequences significantly enhanced hair follicle stem cell migration and proliferation, highlighting a potential strategy for hair regeneration through modulation of the hsa-novel-238a-CASP9 axis.