12 citations
,
August 2016 in “Current opinion in genetics & development” In this study, researchers using the hair paradigm highlighted how periodic patterning and compartmentalization enable diverse regenerative behaviors, including region-specific renewal cycles and emergent properties like regenerative waves in organ populations.
30 citations
,
May 2016 in “Expert Opinion on Biological Therapy” This review discusses immune pathways involved in alopecia areata and explores emerging, more targeted therapeutic strategies, noting their potential for better safety and effectiveness compared to traditional immune suppressants.
70 citations
,
April 2016 in “Experimental Dermatology” In this study, oral tofacitinib treatment led to significant hair regrowth and changes in skin and blood biomarkers in a patient with alopecia areata.
38 citations
,
April 2016 in “Experimental Dermatology” This review discusses immunohistological and immunofluorescent methods for studying the human hair follicle cell cycle, reporting no new results, and suggests its potential for advancing cell cycle research.
36 citations
,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” This article reviews the role of vasoactive intestinal peptide in maintaining immune privilege in hair follicles and does not report new findings; the authors propose it as essential for immune homeostasis in alopecia areata.
82 citations
,
March 2016 in “Autoimmunity reviews” This review explores animal models of alopecia areata, particularly focusing on the insights they've provided into the disease's immune mechanisms and potential treatment approaches, without reporting new experimental data.
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.
60 citations
,
September 2015 in “Expert Review of Clinical Immunology” This study suggests that CD8+ cytotoxic T lymphocytes play a crucial role in the development of alopecia areata, based on observations in rodent models that mimic human autoimmune disease.
17 citations
,
August 2015 in “Expert Opinion on Pharmacotherapy” This article discusses the social and psychological impact of hair disorders and the challenges in their treatment, but reports no new clinical results.
130 citations
,
August 2015 in “Experimental Dermatology” This review provides a comprehensive guide to serum-free human hair follicle organ culture methods, highlighting research opportunities, standardization efforts, and potential applications without reporting new empirical findings.
173 citations
,
August 2015 in “Developmental cell” This study characterizes gene expression patterns in embryonic hair follicle progenitors and their niche, identifying signaling pathways like axon guidance that may drive cellular rearrangements for hair follicle formation.
6 citations
,
June 2015 in “Journal of theoretical biology” This study suggests that immune privilege guardians and the pro-inflammatory cytokine interferon-γ significantly influence the dynamics of alopecia areata, supporting the hypothesis that immune privilege collapse is crucial in its development.
184 citations
,
February 2015 in “EBioMedicine” This study observed that baricitinib treatment led to significant improvement in a patient's alopecia areata symptoms and suggests further clinical trials to explore its potential as a treatment.
120 citations
,
November 2014 in “Biological Reviews” This article explores the dynamic and energy-efficient nature of telogen hair follicles, challenging the notion of dormancy, and highlights their potential in advancing treatments for hair growth disorders.
81 citations
,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that silencing clock genes BMAL1 or PER1 in human hair follicles increased melanin content and melanocyte activity, suggesting these genes influence pigmentation.
162 citations
,
October 2014 in “Autoimmunity reviews” This review discusses alopecia areata, highlighting its autoimmune aspects, environmental triggers, and current treatment options, but reports no new clinical results; recent studies suggest JAK pathway intervention may offer therapeutic potential.
701 citations
,
August 2014 in “Nature medicine” This study found that JAK inhibitors promote hair regrowth in both mice and human alopecia areata cases by blocking key immune pathways involved in disease development.
149 citations
,
July 2014 in “Cold Spring Harbor Perspectives in Medicine” This article provides contact information for Bruce A. Morgan and features no new research findings.
15 citations
,
February 2014 in “Journal of Investigative Dermatology” NF-κB activity is crucial for keeping hair in the growth phase.
173 citations
,
January 2014 in “Nature Cell Biology” This study found that Wnt signalling activates hair follicle fate in hair follicle stem cells by relieving TCF3/4–TLE-mediated repression, with β-catenin being crucial for this process.
106 citations
,
January 2013 in “Clinical and Developmental Immunology” This review discusses the pathogenesis of alopecia areata, highlighting the role of immune privilege collapse in hair follicles but reports no clinical results.
10 citations
,
January 2013 in “Clinical and developmental immunology/Clinical & developmental immunology” This article is a special issue that reviews current research on the pathogenesis, diagnosis, and treatment of systemic autoimmune diseases, but it does not present new results.
75 citations
,
October 2012 in “Journal of Investigative Dermatology” This study developed an animal model that recreates alopecia areata by injecting healthy human skin grafts in immunocompromised mice with peripheral blood mononuclear cells enriched for NKG2D+ and CD56+ cells.
300 citations
,
August 2012 in “Seminars in Cell & Developmental Biology” This review discusses mesenchymal–epithelial interactions in hair follicle development and cycling, highlighting recent insights without reporting new experimental results.
221 citations
,
July 2012 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that the circadian clock in mouse skin regulates cell proliferation and affects sensitivity to UVB-induced DNA damage, with potential implications for understanding human skin cancer risk.
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.
68 citations
,
April 2012 in “Journal of Investigative Dermatology” The study reports that Fgf18 and Tgf-β2 signaling pathways in hair follicle stem cells have opposing effects on the timing of hair cycle transitions, influencing the shift from telogen to anagen phases.
45 citations
,
January 2012 in “Experimental Dermatology” This study reveals that human hair follicles transition between active and dormant states stochastically, challenging the idea of a cyclical automaton controlling hair growth.
321 citations
,
January 2012 in “Cell stem cell” This study identified TGF-β2 as a crucial signal in hair follicle stem cell regeneration, highlighting its role in counteracting BMP signaling to promote tissue regeneration.
47 citations
,
December 2011 in “Experimental Dermatology” This study suggests that the neuropeptide CGRP may protect against, but not restore, IFNγ-induced collapse of hair follicle immune privilege in alopecia areata.
176 citations
,
April 2011 in “Science” This study found that in a population of hair follicles, regenerative cycling stages are regulated by both intrinsic and extrinsic signals, with WNT/BMP signaling mediating interactions among follicles for adaptability.
717 citations
,
June 2010 in “Nature” This study identified key genetic regions associated with alopecia areata, highlighting both acquired and innate immune involvement, with a novel link to the upregulation of ULBP ligands in autoimmune disease.
66 citations
,
June 2010 in “Experimental Dermatology” This paper argues that the cycling hair follicle serves as a valuable model for systems biology research, highlighting its potential for translational medicine.
131 citations
,
July 2009 in “Experimental Dermatology” This review discusses the development and advances in studying trichogenic dermal cells for hair follicle morphogenesis, summarizing methods, bioassays, and molecular markers, but reports no new research findings.
759 citations
,
February 2009 in “Current Biology” This review summarizes fundamental concepts and recent advancements in hair follicle biology, including insights from mouse models into broader molecular and cellular processes relevant to regeneration and development.
42 citations
,
March 2008 in “Molecular and Cellular Endocrinology” This review explores the potential (neuro-)endocrine influences on hair follicle epithelial stem cell biology and emphasizes the need for more systematic research, but it provides no new empirical results.
253 citations
,
December 2007 in “Journal of Investigative Dermatology” This study suggests that human hair follicles may actively suppress natural killer cells, which contrasts with the observed defects in NK cell regulation in alopecia areata.
286 citations
,
August 2007 in “Journal of Clinical Investigation” This review examines the interplay of genetics and neuroimmunology in alopecia areata, highlighting its potential to inform broader autoimmunity research, but reports no new findings.
276 citations
,
January 2005 in “International review of cytology” More research is needed to understand how hair keratins work and their role in hair disorders.
277 citations
,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This article reviews the role of epithelial-mesenchymal interactions in hair follicle morphogenesis and the hair cycle, suggesting potential paths for developing treatments for hair growth disorders but providing no new clinical findings.
22 citations
,
February 2002 in “Journal of theoretical biology” This study found that a stochastic follicular automaton model replicates hair follicle cycle fluctuations, with deterministic simulations aligning with steady-state levels as follicle numbers increase.
23 citations
,
March 2001 in “Clinics in dermatology” This study found that 363 genes were differentially expressed in alopecia areata skin compared to non-lesional skin, suggesting T-cell mediated immune responses and distinct gene profiles related to the disease's stage.
67 citations
,
July 2000 in “Proceedings of the National Academy of Sciences” This study developed a follicular automaton model that simulates human hair cycle dynamics and can replicate hair pattern changes associated with diffuse or androgenetic alopecia.
