June 2020 in “Research Square (Research Square)” This study identified expression patterns of long non-coding RNAs during the hair follicle cycle in yak, revealing potential functions and sequence conservation with cashmere goats.
December 2017 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that Endoglin is crucial for proper hair follicle cycling and the activation of hair follicle stem cell niches, based on its role in the feedback crosstalk between Wnt/β-catenin and Bmp/Smad signals.
6 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” This review discusses the complex role of Runx family genes in regulating stem cells in blood and skin tissues and reports no new experimental results.
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.
3 citations
,
July 2023 in “Frontiers in Aging” This research detailed a single-cell atlas showing dynamic hair follicle stem cell states associated with the hair cycle during aging in mice, highlighting differences in chromatin landscape linked to stem cell differentiation and quiescence, and providing a foundation for future exploration of aging reversal.
December 2022 in “Biochemical and Biophysical Research Communications” This study found that HtrA2 inactivation in mnd2 mice is associated with delayed hair cycle phases and growth retardation of adipocytes, suggesting HtrA2's role in regulating adipogenesis-related hair growth.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that 17-beta-estradiol inhibits hair growth in mice by blocking hair follicles in the telogen phase, whereas an estrogen receptor antagonist promotes hair growth by initiating anagen.
127 citations
,
November 2010 in “Pigment cell & melanoma research” This article discusses the challenges in hair follicle pigmentation research compared to epidermal melanocytes and highlights the limitations of relying on mouse models, but reports no new experimental findings.
46 citations
,
November 1998 in “Experimental Cell Research” This study found that K15 is variably expressed in sheep and mouse hair follicles, with specific patterns suggesting a role in the early stages of keratinocyte differentiation.
18 citations
,
January 2008 in “Journal of The American Academy of Dermatology” This study found that the proteins GDNF, NTN, GFRα-1, GFRα-2, and c-Ret are differentially expressed during various stages of the human hair follicle cycle, with potential implications for hair biology.
9 citations
,
January 2021 in “International Journal of Medical Sciences” This study found that Sox10 may play a role in early hair follicle development and cycling, as it is expressed in specific regions of the hair follicle during different phases of the hair cycle in mice.
8 citations
,
October 2016 in “Experimental dermatology” This paper proposes that the induction of HF-specific neo-antigens by peripheral CD8+ T cells may maintain self-tolerance but could also lead to immunopathology in conditions like alopecia areata.
5 citations
,
January 2005 in “PubMed” In this study, researchers observed that apoptosis occurs in both growing and regressing hair follicles in dogs, indicating a spatio-temporal relationship with the hair cycle.
August 2024 in “International Journal of Molecular Sciences” In this animal study, researchers found that local administration of mesenchymal stem cell therapy improved hair regrowth and reduced local inflammatory cytokines in mice with Alopecia Areata, although systemic cytokine levels were unchanged.
September 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study found that lymphatic vessels play a crucial role in hair follicle growth and regeneration in mice by connecting hair follicles and expanding during stem cell activation.
April 2017 in “Journal of Investigative Dermatology” This study identified the dermal sheath as a key component of the hair follicle niche, essential for outer root sheath regression during the hair cycle, highlighting its importance in hair follicle support and regulation.
211 citations
,
April 2013 in “Development” In this study, researchers found that the number of dermal papilla cells in hair follicles determines hair size and shape in mice, suggesting potential avenues for addressing hair loss.
133 citations
,
September 2013 in “Nature Reviews Molecular Cell Biology” Different types of stem cells and their environments are key to skin repair and maintenance.
45 citations
,
April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that Myc superfamily transcription factors may have distinct roles in different epithelial compartments of the human hair follicle, possibly influencing cell fate in the putative stem cell compartment.
22 citations
,
October 2018 in “Aesthetic Plastic Surgery” This review discusses the latest understanding of androgenetic alopecia, including stem cell niches in hair follicles, and highlights emerging treatments like growth factors and platelet-rich plasma without new clinical findings.
3 citations
,
June 2013 in “Genes & development” In their research, Yucel and colleagues found that CaV1.2 is expressed in hair follicle stem cells, facilitating anagen re-entry in a way not dependent on calcium flux.
February 2026 in “Biochemical and Biophysical Research Communications” This study identifies a specific cell population, PDGFRα+/Sca1+/CD34+ mesenchymal cells, which play a crucial role in regenerating hair follicles by promoting the downgrowth phase of the hair cycle, offering insights into organ morphogenesis and stem cell niches essential for adult hair regeneration.
December 2022 in “Journal of Medical Case Reports” This case report highlights the importance of considering an ovarian steroid cell tumor diagnosis in young women with increased testosterone after ruling out polycystic ovarian syndrome.
November 2022 in “Journal of the Endocrine Society” This case report describes a 23-year-old woman with an adult granulosa cell tumor of the ovary, whose symptoms and hormone levels improved significantly after surgical removal of the tumor.
September 2020 in “Research Square (Research Square)” This study reported the expression patterns and potential functions of long non-coding RNAs in the hair follicle cycle of yak, with insights into their sequence conservation between yak and cashmere goat.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
3 citations
,
June 2006 in “Expert Review of Dermatology” This review discusses recent advances in hair follicle research, highlighting therapeutic and cosmetic applications, but reports no new study results.
2 citations
,
March 2018 in “Biotechnology Letters” In this study, researchers established three specific cell lines from Cashmere goat hair follicles and found that cytokeratin 13 might be a novel biomarker for identifying dermal sheath cells.
1 citations
,
September 2016 in “Journal of Dermatological Science” This study found that FGF18 signaling helps protect hair follicles from radiation damage by maintaining the resting phase and supporting stem cell survival, potentially reducing radiation-induced hair loss.
1 citations
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September 2012 in “Journal of Investigative Dermatology” This study found that aging mice with an epidermal deletion of DNA methyltransferase 1 had a reduced number of hair follicles, due to decreased stem cell activation probability.