8 citations
,
September 2013 in “Molecular carcinogenesis” This study found that rapamycin effectively inhibits TPA-induced keratinocyte proliferation and skin tumor promotion by targeting mTORC1 signaling in both wild-type and transgenic mice.
22 citations
,
September 2001 in “Journal of Investigative Dermatology” S100A8 and S100A9 proteins help form hair shafts during growth.
66 citations
,
February 2013 in “PeerJ” This study found that CB1 activation by a specific agonist led to decreased expression of keratins K6 and K16 in human skin and inhibited keratinocyte proliferation, suggesting potential for cannabinoid receptors in psoriasis management.
61 citations
,
January 2011 in “PloS one” In this study, researchers found that Notch signaling is crucial for late-stage epidermal differentiation and postnatal hair cycle homeostasis by regulating hair follicle stem cell proliferation and differentiation.
47 citations
,
January 2024 in “iScience” The researchers reported that stress-induced keratins in human skin are expressed at lower levels than those in healthy skin and are co-regulated with genes involved in differentiation, inflammation, and immunity, rather than replacing keratins of normal differentiation or indicating cell proliferation.
46 citations
,
May 2003 in “Mechanisms of Development” This study found that overexpression of the calcium sensing receptor in transgenic mice accelerates epidermal differentiation and hair growth, suggesting its role in enhancing calcium signaling and interaction with other pathways.
37 citations
,
January 2010 in “Journal of Clinical Investigation” In this study, N-WASP deficiency in mouse skin was found to cause severe alopecia and disrupt hair follicle cycling by 5 months, highlighting its critical role in skin function and Wnt signaling.
37 citations
,
May 1998 in “Journal of Dermatological Science” Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
56 citations
,
November 2003 in “Journal of Investigative Dermatology” This study identified altered expression of MMP-19 in the skin's epidermal layers during diseases like psoriasis and eczema, implying a role in disease processes.
7 citations
,
January 2025 in “Frontiers in Microbiology” In this study, researchers investigated the immunohistopathological characteristics of the skin in individuals during the acute phase of chikungunya infection, revealing CHIKV antigens and inflammatory infiltrates in various skin components and highlighting the role of cytokines/chemokines in the disease's skin manifestations.
35 citations
,
September 2009 in “Development” This study found that overexpression of the intercellular adhesion protein Necl2 in hair follicle stem cells was associated with reduced cell proliferation and delayed wound healing in both cultured cells and transgenic mice.
29 citations
,
October 2010 in “Journal of Investigative Dermatology” This research found that activating a KrasG12D mutation in mice led to skin thickening, papillomas, and hair growth issues, suggesting that even rare KRAS mutations can mimic human RAS/MAPK syndrome symptoms.
11 citations
,
January 2021 in “British Journal of Dermatology” This report describes a new case of syndromic ichthyosis caused by compound heterozygous mutations in AP1B1, detailing the associated clinical features and molecular consequences in the patient.
2 citations
,
September 2025 in “Microorganisms” In this review, the authors explore the complex interplay between COVID-19 and autoimmune skin diseases, finding that SARS-CoV-2 may trigger or worsen these conditions, with increased risks following infection and vaccination, particularly with mRNA vaccines.
In a controlled study, researchers observed that lambs exposed to colder temperatures had increased wool growth, thicker skin, altered physiological traits, and activated specific molecular pathways, highlighting potential targets for enhancing cold tolerance, welfare, and productivity in sheep breeds.
This study found that super-enhancers play a crucial role in driving malignant progression in squamous cell carcinoma stem cells through a regulatory network involving ETS2 transcription factors, highlighting the potential link between high ETS2 levels and poor patient outcomes in head and neck cancers.
This study found that super-enhancers in squamous cell carcinoma stem cells are distinctly different from those in normal skin stem cells, with ETS2 playing a crucial role in promoting tumor growth.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
28 citations
,
February 1999 in “Journal of Investigative Dermatology” This study found that neonatal mice without the urokinase-type plasminogen activator (uPA) gene had reduced epidermal proliferation rates, suggesting uPA's involvement in promoting keratinocyte proliferation.
10 citations
,
October 1993 in “Archives of dermatological research” The researchers reported that the antipsoriatic compounds 1,25-dihydroxy-vitamin D3 and calcipotriol thinned the living cell compartment in organotypic ORS cultures by accelerating the differentiation pathway rather than affecting proliferation.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, the reconstructed skin epidermal model derived from hair follicles showed gene expression and enzyme functionality consistent with native human skin, suggesting its viability for studying skin metabolism and potential toxicity of dermo-cosmetic ingredients.
12 citations
,
July 2021 in “Scientific Reports” This study found that exogenous glutamic acid can promote hair growth and keratinocyte proliferation, suggesting a novel signalling pathway in the skin.
7 citations
,
September 2017 in “Scientific Reports” This study found that overexpression of sPLA2-IIA in homozygous mice resulted in cyclic alopecia, a halt in hair follicle cycling, and impaired wound healing due to complete loss of hair follicle stem cells.
111 citations
,
November 2007 in “Clinics in Dermatology” This article discusses the histologic features of psoriasis, including psoriasiform epidermal hyperplasia and neutrophilic involvement, but reports no new clinical findings.
40 citations
,
December 2012 in “PLoS ONE” This study found that selective deletion of Ctip2 in epidermal keratinocytes in adult mice leads to atopic dermatitis-like inflammation and suggests Ctip2 plays a crucial role in skin barrier maintenance and inflammatory regulation.
2 citations
,
January 2001 in “Biomedical Research” This study found that peptidylarginine deiminase type III and trichohyalin are coincidentally expressed in the infant rat hair follicle, but trichohyalin deimination occurs after their expression during development.
405 citations
,
May 2007 in “Journal of The American Academy of Dermatology” This review discusses the profound impact of obesity on skin physiology and dermatologic conditions and reports no new experimental results, recommending awareness and treatment strategy development for obesity-associated dermatoses.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” This review discusses the regulation and function of vitamin D and its receptor in skin cells, highlighting their roles in processes such as proliferation inhibition, differentiation, and innate immunity, but reports no new results.
179 citations
,
October 2018 in “American Journal of Clinical Dermatology” This review outlines various dermatologic adverse events associated with targeted therapies and immunotherapies, emphasizing the need for collaboration between dermatologists and oncologists to manage these effects effectively; it reports no new clinical findings.
158 citations
,
August 2011 in “Reviews in endocrine and metabolic disorders” This review examines the functions of vitamin D and its receptor in skin and explores how these are regulated, reporting no new clinical results.