February 2026 in “Nature Communications” This study combined spatial and single-cell transcriptomics to identify that hypercontractility of the connective tissue sheath activates PIEZO1 in hair follicles, leading to miniaturization in male androgenetic alopecia, and found that inhibiting this contraction improves hair growth in models.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that targeting connective tissue sheath contraction with an MLCK inhibitor may improve hair growth in androgenetic alopecia by reducing premature hair regression caused by ectopic apoptosis of hair follicle progenitor cells.
In this study on Drosophila embryos, researchers observed that the Slit/Robo signaling pathway is crucial for the collective migration and proper positioning of Posterior Signaling Center cells within the hematopoietic niche, highlighting its role in niche assembly and cellular organization.
1 citations
,
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study explores ear pinna development in mice and reports that elastic cartilage formation is disrupted in a short ear mutant, correlating with increased adult adipocytes and impaired chondrogenesis.
4 citations
,
September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
April 2021 in “Journal of Investigative Dermatology” In this study, researchers observed that different ERK signal activation dynamics during hair follicle regeneration are linked to cell fate specification and are affected by distinct upstream signaling pathways.
25 citations
,
April 2021 in “The EMBO Journal” This review discusses the role of hair follicle stem cells as active signaling centers in skin homeostasis, highlighting recent advancements and reporting no new clinical results.
165 citations
,
June 2007 in “European Journal of Cell Biology” This review discusses the various stem cell populations associated with hair follicles and their potential in regenerative medicine, highlighting differences between murine and human hair follicles but reports no new clinical results.
95 citations
,
July 2010 in “Genes & development” In this study, the researchers reported that Notch/CSL signaling is crucial for hair follicle differentiation, with Wnt5a signaling and FoxN1 acting as mediators in mice.
63 citations
,
September 2009 in “Regenerative Medicine” This study developed a method for expanding human dermal papilla cells in vitro while maintaining their ability to induce hair growth, advancing the potential for follicular cell implantation as a treatment for hair loss.
17 citations
,
September 2016 in “Stem cells translational medicine” In this study, using stirred-suspension bioreactors to expand dermal stem cells resulted in larger numbers, but had reduced efficiency in forming hair follicle structures compared to static culture conditions.
16 citations
,
August 1996 in “The journal of experimental zoology/Journal of experimental zoology” This study suggests that red deer stags provide a novel model for investigating hormonal regulation of hair growth due to the different cell growth rates in hair follicles during breeding and nonbreeding seasons.
1 citations
,
January 2005 in “Experimental Dermatology” This study found that α-MSH may suppress IFN-γ-driven upregulation of ICAM-1 in human dermal fibroblasts, suggesting potential roles for melanocortins in inflammatory skin disorders beyond collagen synthesis effects.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This entry does not provide an abstract or new research findings, so no specific results are available for summary.
13 citations
,
June 2007 in “Journal of Dermatological Science” This study identified several genes regulated by dihydrotestosterone in an SV40T-transformed human dermal papilla cell line, which may play a role in androgen-mediated hair growth regulation.
30 citations
,
April 2017 in “Experimental Dermatology” This review explores the role of hair follicle dermal stem cells in skin regeneration and restorative therapies, but it reports no new experimental results.
10 citations
,
March 1990 in “The Journal of Dermatology” In this study, a psoriatic patient developed retinoid-induced granulation tissue after long-term oral etretinate therapy, suggesting prolonged use may lead to delayed wound healing.
6 citations
,
September 2019 in “Skin pharmacology and physiology” This study found that RCS-01 cell therapy for aged skin was well tolerated and associated with increased gene expression related to extracellular matrix homeostasis, suggesting potential skin improvement.
June 2023 in “Dermatopathology” In this case report, researchers described a unique skin lesion in a 55-year-old woman, identifying it as folliculosebaceous cystic hamartoma with an unusual combination of spindle cell lipomatous and neural components, which had not been previously documented in such cases.
7 citations
,
February 2018 in “Journal of Investigative Dermatology” This study investigates the role of peroxisome proliferator-activated receptor gamma in hair follicle morphogenesis using a novel mouse model but reports no new results, highlighting the need for further research on its function during the hair cycle.
42 citations
,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” This abstract omits specific findings and does not provide new research results.
January 2026 in “Open MIND” This study identified candidate compounds from a natural-product library that may interact with the PIEZO1 and MLCK pathways, potentially countering a non-androgen cause of hair follicle miniaturization, all based on computer simulations; experimental validation is necessary.
1 citations
,
January 2024 in “Advanced science” This study found that fibronectin-attached cell sheets significantly improved wound healing in vivo by increasing wound closure rates, reducing inflammation, and promoting tissue regeneration compared to conventional cell sheets.
January 2011 in “Zhongguo shiyong fuke yu chanke zazhi” This study concludes that hormone therapy can significantly improve skin hydration, elasticity, thickness, and reduce wrinkles by modulating various skin cells through estrogen receptors.
21 citations
,
December 1994 in “British Journal of Dermatology” In this study, cultured skin equivalents with ovine hair follicle dermal papillae grafted onto nude mice developed follicle-like structures, suggesting a potential model for studying hair follicle development.
May 2026 in “Frontiers in Endocrinology” In a mouse model, this study found that exposure to PM2.5 leads to significant postpartum hair loss, apparent via morphological changes and elevated markers of inflammation, apoptosis, and fibrosis, potentially exacerbated by changes in hormone receptors and stem cell populations.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study observed that extracellular matrix scaffold membranes performed less effectively in wound healing for aged mice compared to younger ones, with senescent SPP1+ macrophages potentially hindering epidermal and fibroblast repair abilities.
April 2021 in “Indian Journal of Animal Research” This study examined the age-related changes in the dermal structure of goat skin, providing baseline data on its histomorphology, histochemistry, and histoenzymology.
21 citations
,
January 2020 in “Brazilian Journal of Medical and Biological Research” This study found that lncRNA H19 may regulate CTGF expression in KGN cells by acting as a "sponge" for miR-19b, potentially influencing polycystic ovary syndrome development.
1 citations
,
November 2024 in “Life” In this study, Desmodesmus pannonicus water extract demonstrated significant antioxidative properties, inhibited melanin production, promoted wound healing in human keratinocyte cells, and showed potential for hair growth enhancement in human follicle dermal papilla cells, suggesting its promise for future dermatological applications.