479 citations
,
January 2005 in “BioEssays” This review introduces the morphological and molecular principles of hair follicle development but reports no new experimental results, focusing on recent insights and forming a working hypothesis.
31 citations
,
April 2004 in “Journal of Investigative Dermatology” This study found that a newly identified gene, mK17n, may explain the lack of nail issues in mK17 null mice by compensating for mK17's function in the nail bed.
60 citations
,
December 2003 in “Journal of Investigative Dermatology” This study found that keratin 6hf, a type II keratin, is expressed in specific regions of mouse and human hair and suggests potential interactions with keratin 17, impacting hair development and associated disorders.
387 citations
,
November 2003 in “Journal of Investigative Dermatology” The K15 promoter effectively targets stem cells in the hair follicle bulge.
53 citations
,
October 2003 in “Developmental Biology” This study in mice found that overexpressing Sonic Hedgehog in basal cells caused skin anomalies and a lack of certain hair fibers, underscoring its key role in hair follicle development.
352 citations
,
August 2003 in “Proceedings of the National Academy of Sciences” In this study, nestin-expressing cells in the hair follicle bulge, marked by GFP in transgenic mice, were identified as progenitors of the hair follicle outer-root sheath.
561 citations
,
April 2003 in “Journal of Investigative Dermatology” CD34 is a marker for isolating stem-like cells in mouse hair follicles.
87 citations
,
November 2002 in “Journal of Investigative Dermatology”
122 citations
,
June 2002 in “Genes & Development” This study found that K17 is crucial for the structural integrity and survival of hair-producing cells, with K17 null mice developing alopecia due to hair fragility and follicular alterations.
121 citations
,
December 2001 in “American Journal of Dermatopathology” This study found that trichoblastomas and nodular basal cell carcinomas have similar cytokeratin expression patterns, indicating differentiation towards the outer root sheath epithelium.
287 citations
,
July 2001 in “Journal of Cell Science” This study mapped 65 intermediate filament genes in the human genome, highlighting that the majority of keratin-related sequences are inactive pseudogenes, notably for keratins 8 and 18.
119 citations
,
September 2000 in “Journal of Biological Chemistry” This study found that the K19 promoter is active in certain gastrointestinal cancer cells and its activity is influenced by the interaction between GKLF and Sp1 transcription factors.
109 citations
,
June 2000 in “Development” This study reports that activating Notch signaling in the hair follicle cortex of transgenic mice caused abnormal differentiation of the medulla and cuticle, highlighting potential cell-cell interactions.
88 citations
,
June 2000 in “Journal of Investigative Dermatology” Keratin 17 is important for hair and nail structure and affects pachyonychia congenita symptoms.
27 citations
,
January 2000 in “Developmental Dynamics” This study reports that a new nude allele, nu(StL), encodes a truncated Whn transcription factor affecting T-cell development and keratin gene expression, with notable differences from the original Whn(nu) mutation.
166 citations
,
July 1999 in “American Journal Of Pathology” This study found that the loss of a functional hr gene in mice leads to premature and abnormal hair follicle regression, disrupting normal hair cycling and architecture.
318 citations
,
October 1998 in “The Journal of Cell Biology” This study found that ectopic expression of the lymphoid-enhancer factor can induce K17 protein in the skin, suggesting a link between skin development and wound repair processes in mice.
148 citations
,
October 1997 in “Journal of Investigative Dermatology” TGF-β receptors are crucial for hair follicle development.
70 citations
,
March 1997 in “Journal of Investigative Dermatology” 252 citations
,
November 1995 in “The EMBO Journal” Blocking EGFR in mice causes hair loss and skin changes.
745 citations
,
February 1992 in “Trends in genetics” This article describes the potential role of various growth factors and molecules in regulating mammalian hair follicle development but does not present new experimental results.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
521 citations
,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.