January 2025 in “British Journal of Dermatology” This study proposes that the ability of humans to grow long scalp hair is linked to the evolutionary adjustment of molecular checkpoints that regulate the hair growth cycle, potentially influenced by its roles in communicating age, maturity, and social signals.
46 citations
,
September 2023 in “Cell Reports” This study reports that sebaceous glands can regenerate after injury through stem cell plasticity, with hair-follicle-derived stem cells replacing sebaceous gland progenitors and playing a crucial role in the regeneration process, which is dependent on FGFR2 signaling and aided by hair growth induction.
47 citations
,
July 2023 in “Nature Genetics”
25 citations
,
June 2022 in “Developmental cell” In this study, Hedgehog signaling in dermal papilla fibroblasts was found to accelerate hair growth and induce follicle multiplication in mice via the SCUBE3/TGF-β pathway, with some effects observed in human scalp hair follicles.
27 citations
,
July 2018 in “Experimental dermatology” This study found that autophagy plays a role in sebaceous gland function and sebum composition control in mice lacking the Atg7 gene in keratinocytes.
214 citations
,
April 2017 in “Cell” This study found that micro-niches within hair follicles create heterogeneity among stem cells and transit-amplifying cells, leading to specialized progenitors that control tissue morphogenesis and regeneration.
95 citations
,
November 2016 in “Journal of The American Academy of Dermatology” This article reviews primary cicatricial alopecias, focusing on lymphocytic forms such as chronic cutaneous lupus erythematosus, according to a classification by the North American Hair Research Society, and reports no new clinical results.
142 citations
,
February 2016 in “Science” This review discusses the role of Foxc1 and type XVII collagen in hair follicle stem cell quiescence and aging, identifying mechanisms that relate to hair thinning and hair loss, and reports no new results.
242 citations
,
February 2016 in “Science” This research found that Foxc1 transcription factor and COL17A1 are critical in regulating quiescence and hair thinning in hair follicle stem cells, with aging-related DNA damage leading to hair loss.
118 citations
,
January 2016 in “Current Topics in Developmental Biology” This essay discusses the establishment, maintenance, and role of skin stem cells in tissue homeostasis, wound repair, and their relation to skin cancer, without reporting new experimental findings.
212 citations
,
September 2015 in “Journal of Investigative Dermatology” This article presents a comprehensive guide for classifying human hair follicle cycle stages in vivo using scalp xenografts on immunocompromised mice, offering valuable resources for researchers in the field.
184 citations
,
November 2014 in “Developmental Cell” This study identifies a bipotent stem cell in adult hair follicles that self-renews and contributes to dermal sheath and papilla cell populations, potentially aiding hair regrowth after injury, disease, or aging.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” This study identified mutations in the FGF5 gene as a cause of extreme eyelash growth in Pakistani families, highlighting a potential target for regulating eyelash growth.
1235 citations
,
December 2013 in “Nature” This study found that skin fibroblasts in mice arise from two distinct lineages which contribute differently to dermal structure and repair, impacting hair follicle formation during wound healing.
220 citations
,
June 2013 in “The Journal of Pathology” This study found that immune privilege collapse in the hair follicle bulge and associated immune responses may contribute significantly to the pathogenesis of lichen planopilaris, suggesting a potential autoimmune basis for the disease.
421 citations
,
April 2012 in “The New England Journal of Medicine” Alopecia Areata is an autoimmune condition causing hair loss with no cure and treatments that often don't work well.
158 citations
,
February 2012 in “Journal of Investigative Dermatology” FGF18 helps keep hair in its resting phase, affecting hair growth cycles.
294 citations
,
February 2011 in “Cell” Nephronectin helps attach muscle cells to hair follicles.
76 citations
,
June 2008 in “Journal of the American Academy of Dermatology” In this study, key histologic features such as mucinous perifollicular fibroplasia were identified to aid in the diagnosis of lichen planopilaris.
92 citations
,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” This study reports that human hair follicle stem cells express different surface markers than mouse stem cells, facilitating their isolation and potentially aiding in the development of cell-based skin treatments.
550 citations
,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” This study found that bulge cells marked by CD200+ in human hair follicles show high colony-forming efficiency, suggesting successful enrichment of keratinocyte stem cells.
115 citations
,
September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
417 citations
,
September 2005 in “PLoS biology” This study developed molecular signatures for dermal papilla cells and their niche, uncovering novel signaling regulators and genes linked to hair disorders, which may inform future hair development research.
250 citations
,
November 2003 in “The Journal of Cell Biology” This study found that BMP receptor IA is crucial for hair progenitor cell differentiation in mice, and its sequential inhibition and activation are necessary to generate a functioning hair shaft.
297 citations
,
January 2002 in “Development” In this study, repressing β-catenin/Lef1 signalling in mouse epidermis led to progressive hair loss, dermal cysts, and spontaneous skin tumors with sebaceous differentiation, indicating altered keratinocyte differentiation and potential tumourigenic processes.
949 citations
,
January 2001 in “Cell” This study demonstrated that multipotent stem cells in adult mice whisker follicles migrate to produce whisker growth, and that this process requires precise control of stem cell trafficking.
1113 citations
,
August 1999 in “The New England Journal of Medicine” This article discusses the biologic and psychosocial significance of hair, the current limitations in hair growth drugs, and anticipates future therapies based on advancing hair follicle research.