42 citations
,
July 2010 in “European Journal of Cell Biology” This study found that thyroid hormones T3 and T4 enhance keratin 15 promoter activity and stimulate CD200 expression in epithelial stem cells from human scalp hair follicles, affecting their growth and differentiation.
36 citations
,
April 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that canine bulge-derived keratinocytes are highly proliferative and can reconstitute pilosebaceous structures, indicating their potential utility in studying human stem cell biology and hair disorders.
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.
21 citations
,
May 2014 in “Toxicological Sciences” This study found that skin exposure to toluene diisocyanate in mice creates immune-recognition reservoirs in the skin's stratum corneum and hair follicles, potentially leading to sensitization and allergic reactions.
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.
6 citations
,
December 2022 in “Cell reports” This study found that feeding mice a high-fat diet with fish oil leads to hair loss through a mechanism involving omega-3 fatty acids and TNF-α signaling, with epidermal fatty acid binding protein playing a key role.
6 citations
,
January 2022 in “Veterinary Sciences” In this retrospective case series, cats with cutaneous lymphocytosis showed a primarily reactive condition with prolonged survival, while dogs exhibited more diverse presentations and clinical outcomes, indicating a complex disease nature.
6 citations
,
May 2013 in “PloS one” This study found that the Foxn1(-/-) nude phenotype significantly influences epithelial progeny in skin, with notable changes in stem cell niches not achievable in other models.
5 citations
,
December 2017 in “Tissue and cell/Tissue & cell” This study observed that skin stem cells in dogs could be identified using CD34 and CD200 markers, although further refinement in isolation and cultivation methods is needed for better identification.
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
,
December 2021 This study concluded that cutaneous lymphocytosis in cats appears to have a reactive nature with prolonged survival, while in dogs, it is more variable with clonality differences and treatment response.
1 citations
,
February 2021 in “Journal of Natural Remedies” This study found that a combination of Ficus religiosa and Morus alba extracts promoted hair growth and Hair Follicle regeneration in a mouse model of hair loss by inducing the anagen phase and upregulating stem cell-associated genes.
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.
March 2024 in “International Journal of Cosmetic Science” This study observed that dandruff-affected scalp skin has increased T-cell infiltration in the epidermis and a reduction in the hair follicle's physiological immune privilege, particularly in the suprabulbar outer root sheath area, indicating a distinct immune microenvironment compared to healthy scalp.
August 2023 in “International Journal of Molecular Sciences” This review discusses the use of human-to-mouse xenografting to study human skin processes in vivo, highlighting its importance for understanding skin regeneration and pathology while identifying knowledge gaps and challenges in applying these findings to human skin.