9 citations
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January 2019 in “American Journal of Dermatopathology” This study found that both androgenetic alopecia and alopecia areata showed significantly increased DKK-1 expression, potentially implicating it in the pathogenesis and as a treatment target for these conditions.
July 2024 in “Journal of Investigative Dermatology” In these two clinical trials, DS-2325a, a KLK5 inhibitor, was found to be generally safe and well tolerated in healthy volunteers, with mild and non-serious adverse events, suggesting its potential for further development as a treatment for Netherton Syndrome.
July 2025 in “Journal of Investigative Dermatology”
171 citations
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July 2007 in “Journal of Investigative Dermatology” The researchers reported that DHT-inducible DKK-1 may play a significant role in DHT-driven balding by inhibiting hair follicle cell growth and promoting apoptosis in androgenetic alopecia.
January 2011 in “Anhui nongye kexue” This study reports that the recombinant expression vector pcDNA3.1-KK demonstrates specific expression in the skin of newborn mice.
April 2023 in “Journal of Investigative Dermatology” This study demonstrated that a combination of four types of honey significantly improved hair integrity, porosity, and surface roughness after exposure to UV-A and pollution stress.
32 citations
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April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” This study demonstrates that keratin K2 is crucial for proper keratinocyte structure and function in specific mouse skin areas, and its deficiency leads to cellular aggregates and skin abnormalities.
July 2022 in “Journal of Investigative Dermatology” This study found that Dkk4-knockout mice exhibited disrupted hair follicle patterning, including a lack of the first wave of hair follicles in the lateral back skin.
139 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified a new type II cytokeratin, named K6hf, exclusively expressed in the companion layer of the human hair follicle, distinguishing it from other keratins and suggesting a unique biochemical role.
1 citations
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May 2023 in “Biochemical and Biophysical Research Communications” This study found that DKK1-targeting siRNA, which may activate the Wnt/β-catenin signaling pathway, showed hair growth results in mice similar to those treated with the FDA-approved minoxidil, suggesting potential as an androgenetic alopecia therapy.
October 2021 in “Journal of Investigative Dermatology” This study reported that Dkk4-knockout mice showed disrupted hair follicle patterning, suggesting a WNT-DKK axis may influence regional specificities in hair follicle induction related to androgenetic alopecia.
1 citations
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May 2024 in “Communications Biology” This study found that Dab2 conditional knockout mice experienced delayed hair follicle cycles and reduced hair follicle stem cell activity, suggesting Dab2's crucial role in regulating stem cell activation and anti-aging process in hair follicles.
November 2023 in “Cell Proliferation” This study found that adipose-derived stem cells with DKK1 knocked out using CRISPR/Cas9 promoted hair growth in an alopecia areata model more effectively than untreated stem cells, suggesting DKK1 is a potential therapeutic target for this condition.
July 2026 in “Journal of Investigative Dermatology” July 2024 in “Journal of Investigative Dermatology” This study found that systemic treatment with DS77754007, a KLK5 inhibitor, improved skin symptoms in a mouse model of Netherton Syndrome more effectively than certain antibody treatments, suggesting KLK5 inhibition as a promising therapeutic approach for this condition.
19 citations
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April 1999 in “British Journal of Dermatology” This study shows that keratin 2e exhibits distinct temporal and regional expression patterns in fetal epidermis, suggesting different regulatory and functional roles from other epidermal keratins.
6 citations
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January 2010 in “Journal of Biochemical and Molecular Toxicology” This study found that the ID2 gene was highly expressed in bulge-derived keratinocytes when exposed to contact sensitizers and may serve as a marker to distinguish sensitizers from irritants during in vitro testing.
September 2023 in “Journal of the American Academy of Dermatology” This study found that in participants with notalgia paresthetica, 8 weeks of treatment with difelikefalin significantly improved itch intensity and increased the rate of strict complete response compared to placebo, starting as early as week 3.
51 citations
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December 2006 in “Mammalian Genome”
May 2026 in “Theranostics” This study found that the DKK3-CKAP4 signaling axis is involved in fibroimmune remodeling in androgenetic alopecia and that targeting this pathway may restore a regenerative hair follicle environment, offering a potential therapeutic strategy to counteract hair follicle miniaturization.
July 2025 in “Journal of Investigative Dermatology” TRIV-509 quickly improves skin barrier and cell health in atopic dermatitis.
52 citations
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April 2012 in “Journal of Investigative Dermatology” This study found that KRTAP2 proteins predominantly express in the hair shaft cortex of humans, interact with hair keratins, and play crucial roles in hair shaft keratinization.
25 citations
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February 2021 in “Diabetes” This study found that Dock5 plays a crucial role in keratinocyte function and wound healing, with its expression reduced in diabetic models but improving healing when restored.
May 2026 in “Mendeley Data” This abstract provides supplementary materials for a study on the efficacy and safety of a topical siRNA-based formulation targeting DKK-1 for androgenetic alopecia, but reports no new findings.
4 citations
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July 2020 in “Biochemical and Biophysical Research Communications” This study suggests that EDA-A2 induces apoptosis in hair follicles by increasing DKK-1 expression, implicating EDA2R signaling as a potential therapeutic target for androgenetic alopecia.
May 2026 in “Mendeley Data” This document provides supplementary materials for a study on the efficacy and safety of a topical siRNA-based formulation targeting DKK-1 in treating androgenetic alopecia, but reports no new findings.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” In a keratinocyte-specific knockout mouse model, this study found that deleting GRK2 disrupted hair follicle homeostasis, causing cyst-like structures, abnormal growth patterns, and eventual hair loss, suggesting potential links to immune-mediated alopecias.
May 2026 in “Mendeley Data” This document contains supplementary materials for a study on the efficacy and safety of a topical siRNA-based formulation targeting DKK-1 in androgenetic alopecia, but it reports no new findings.
13 citations
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November 2010 in “Experimental Dermatology” This study found that L-ascorbic acid 2-phosphate could reduce DHT-induced DKK-1 expression in balding scalp cells, suggesting potential for treating androgen-driven hair loss.
13 citations
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August 1985 in “The Journal of Dermatology” This study identified a monoclonal antibody, HKN-2, that recognizes specific cells in human skin and may indicate a common antigenic determinant between hair and other skin epithelial tissues.