28 citations
,
March 2010 in “Histochemistry and Cell Biology” This study identified specific markers that can distinguish between stem cells in different regions of human scalp hair follicles, offering potential strategies for cell sorting and purification based on these markers.
26 citations
,
July 2012 in “Biochimica et Biophysica Acta (BBA) - General Subjects” This review discusses the identification and roles of different epidermal stem cell types in skin homeostasis and repair, and reports no new experimental findings.
23 citations
,
May 2019 in “Stem cell research & therapy” This study found that combining a human acellular amniotic membrane with iPSC-derived epithelial stem cells effectively repaired skin defects and promoted hair follicle formation in nude mice.
21 citations
,
November 2017 in “Scientific Reports” This study found that prostaglandin D2 reduced proliferation in bulge resident K15+ stem cells but not in other K15+ progenitor cells, suggesting differential impacts on hair follicle stem cell niches.
20 citations
,
March 2014 in “PubMed” This review describes recent advances in the study of epidermal stem cells and their importance in regenerative medicine and skin tissue engineering, but provides no new clinical results.
20 citations
,
December 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that selective downregulation of CD200 in the bulge area might contribute to unusual bulge involvement in a subset of alopecia areata cases.
16 citations
,
January 2007 in “Dermatology” This review summarizes recent progress in human hair follicle bulge cell research, particularly the characterization and isolation of these stem cells, but reports no new experimental results.
15 citations
,
March 2021 in “Journal of Nanobiotechnology” This study developed a nanoscale biomimetic matrix that effectively and stably expands human hair follicle stem cells, offering a new tool for hair follicle reconstruction research.
14 citations
,
April 2011 in “Cell Proliferation” This study demonstrates that human hair follicle stem cells can be cultured and expanded without major changes to their phenotypes, which suggests potential for use in regenerative medicine.
10 citations
,
August 2020 in “Current protocols in stem cell biology” This paper presents a protocol for differentiating human-induced pluripotent stem cells into keratinocyte progenitor cells and keratinocytes, suggesting potential applications for hair follicle restoration and burn or ulcer therapy.
8 citations
,
October 2021 in “European Journal of Dermatology” This study found that secondary wound healing in the anogenital/inguinal region after surgical intervention for hidradenitis suppurativa/acne inversa occurs significantly faster than in axillary wounds.
8 citations
,
April 2009 in “International journal of oncology” This study found that bulge-derived keratinocytes from human follicles were more resistant to differentiation compared to epidermal keratinocytes, possibly due to WIF-1 involvement.
5 citations
,
November 2008 in “Advances in Dermatology” This review discusses advancements in understanding hair cycle and inflammatory alopecias, proposing a standard classification and tiered treatment recommendations, but reports no clinical results.
4 citations
,
January 2021 in “Cell transplantation” This study found that human induced pluripotent stem cells differentiated precisely to express certain markers during a specific window could enable successful hair follicle generation when transplanted.
4 citations
,
January 2018 in “Microscopy research” This study found that in identifying bulge stem cells, CD34 is more specific in mice and CD200 in humans, with CD200 potentially marking progenitor and partially differentiated cells.
4 citations
,
April 2010 in “Expert review of dermatology” This article discusses the immune privilege in hair follicles and suggests that restoring its collapse might be an effective strategy for treating alopecia areata and cicatricial alopecia, but it reports no new clinical results.
1 citations
,
January 2020 in “Microscopy research” This study found that hair follicle stem cells from the bulge region in mice and humans can be isolated and cultured to maintain their phenotype and high proliferative capacity, suggesting their potential as an accessible source for tissue engineering and regenerative therapies.
May 2025 in “Journal of Nanobiotechnology” This study reported that an ATRA-loaded nanostructured lipid carrier gel (ATRA-NLC-Gel) improved symptoms of alopecia areata in mice by enhancing transdermal drug delivery, reducing skin irritation, and promoting hair regrowth through targeted follicle enrichment and pathway activation.
December 2024 in “Biological and Pharmaceutical Bulletin” In this study, researchers found that minoxidil nanocrystals delivered using MG-MXD@NP, containing methylcellulose and gum arabic, significantly improved hair growth in mice compared to a standard minoxidil lotion, with enhanced delivery to skin tissues and increased markers of hair follicle stem cell activity.
January 2022 in “Yokohama National University Repository (Yokohama National University)” This study found that exosomes from human dermal papilla cell cultures, particularly in an oxygen-permeable 3D environment, most effectively supported hair follicle stem cell maintenance and promoted hair follicle formation in vitro.
March 2020 in “Central European Journal of Biology” This study found that isolated hair follicle outer root sheaths from mice can regenerate new dermal papillary structures in vitro, with stem cells and neutrophils playing key roles in the regeneration process.
April 2019 in “Journal of Investigative Dermatology” Targeting immune pathways like JAK/STAT may help treat frontal fibrosing alopecia.
September 2017 in “Journal of Investigative Dermatology” This study suggests that sweat glands may have an immune privilege similar to hair follicles, and disruptions in this could contribute to autoimmune skin diseases.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and move by activating certain cell pathways.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
This review discusses the role of stem cells in the hair follicle bulge region for regenerative medicine and reports no new clinical results; the authors highlight the complexities in studying these cells' involvement in alopecia.
January 2007 in “The Year book of dermatology” Researchers successfully isolated and identified key stem cells in human hair follicles, which could help develop new skin and hair treatments.
December 2004 in “PLoS ONE” In this study, the Foxn1(-/-) nude phenotype was associated with an altered regulation of epithelial progeny in skin, offering a valuable model for investigating stem cell niche maintenance and regulation.
January 2017 in “Journal of clinical & experimental dermatology research” This study found that human embryonic and induced pluripotent stem cells differentiated into specific bulge stem cells and successfully formed new hair follicles when transplanted with mouse dermal cells in immunodeficient mice.
April 2023 in “Journal of Investigative Dermatology” This study reports that CD200R expression is significantly reduced in a mouse model of scarring alopecia, suggesting a potential role for this pathway in immune regulation and hair follicle protection.