5 citations
,
December 2021 in “Frontiers in Cell and Developmental Biology” This review outlines how peptidyl arginine deiminases (PADIs) and protein citrullination are involved in hair follicle regeneration and inflammatory alopecia, but presents no new clinical findings.
3 citations
,
August 2021 in “Veterinary dermatology” This review discusses the biology and pathology of hair growth, exploring novel therapies like sublingual minoxidil and Janus kinase inhibitors, but reports no new clinical data.
40 citations
,
June 2021 in “Clinical, cosmetic and investigational dermatology” This review explores the efficacy and outcomes of using JAK inhibitors for treating alopecia areata, noting advancements in understanding the disease's pathomechanisms and suggesting that JAK inhibitors may offer targeted therapeutic benefits by blocking specific inflammatory pathways involved in this chronic condition.
134 citations
,
July 2020 in “Experimental dermatology” This review discusses immune privilege in anagen hair follicles and its collapse in alopecia areata, emphasizing the importance of restoring this function for effective management and disease relapse prevention.
26 citations
,
May 2020 in “JCI Insight” In this study, single-cell sequencing revealed clonal expansions of CD4+ and CD8+ T cells in murine and human alopecia areata, supporting the development of predictive models for human disease.
55 citations
,
October 2019 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” This review discusses emerging research areas in alopecia areata pathobiology, highlighting the potential roles of unconventional immune cells and the need for more targeted therapeutic strategies, but reports no new experimental results.
48 citations
,
April 2019 in “PloS one” This study observed a microbial shift on the scalp of Alopecia areata patients, characterized by an increase in Propionibacterium acnes and a decrease in Staphylococcus epidermidis, compared to healthy controls.
48 citations
,
May 2018 in “Expert Opinion on Therapeutic Targets” This review discusses how modern lifestyle factors affecting gut health may contribute to Alopecia Areata in genetically predisposed individuals, reporting no new results but suggesting the need for long-term interventions.
191 citations
,
May 2018 in “British journal of dermatology/British journal of dermatology, Supplement” This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.
45 citations
,
January 2018 in “International Journal of Dermatology” This review explores nail changes associated with alopecia areata, noting their prevalence and impact on appearance and function, but reports no new clinical findings; the authors call for larger controlled trials.
51 citations
,
December 2017 in “Skin Appendage Disorders” This review examines the literature on autoimmune hair loss disorders, highlighting the collapse of immune privilege and the potential role of neurogenic stress in this process, but reports no new clinical results.
102 citations
,
December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This review discusses the role of immune privilege collapse in the pathogenesis of alopecia areata, emphasizing the potential for therapeutic manipulation of hair bulb immune privilege to offer new treatment options, and reports no new results.
40 citations
,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” This study visualized mitochondrial metabolism in cultured bovine hair follicles and plucked human hairs, finding that ROS and mitochondrial polarization correlate in specific hair follicle regions, particularly near keratin deposition sites.
95 citations
,
July 2016 in “Journal of The American Academy of Dermatology” This review concluded that patients with alopecia areata consistently show poor health-related quality of life scores, similar to those in other chronic skin diseases like atopic dermatitis and psoriasis.
128 citations
,
February 2016 in “British Journal of Dermatology” This study found that patients with alopecia areata experience significant impairments in health-related quality of life, notably affecting mental health, according to various quality of life assessment tools.
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.
70 citations
,
January 2015 in “Journal of Clinical and Diagnostic Research” This review discusses the various triggers and diagnostic challenges in determining the cause of telogen effluvium-related hair loss, without providing new clinical results.
18 citations
,
July 2013 in “Journal of Leukocyte Biology” The study suggests that vaccination with soluble keratin peptides K71 and K31 significantly delayed the onset and progression of autoimmune alopecia areata in mice by inducing T cell anergy.
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.
66 citations
,
July 2010 in “Journal of Proteome Research” This study suggests that an immune response to trichohyalin and keratin 16 may contribute to the pathogenesis of alopecia areata.
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.
35 citations
,
August 2009 in “Journal of the American Academy of Dermatology” This study found a decreased number of follicular melanocytes in patients with alopecia areata, though it remains unclear if this decrease is due to autoimmune attack or rapid hair cycling.
81 citations
,
April 2009 in “Journal of Investigative Dermatology” This review discusses the shedding phase of the hair cycle, known as exogen, and reports no new findings while analyzing related processes like club fiber formation and release.
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.
16 citations
,
April 2007 in “Journal of Medical Primatology” This study reports that a 14-year-old female rhesus monkey with alopecia universalis was found to have a T-cell-mediated autoimmune disease similar to human alopecia areata universalis.
151 citations
,
February 2007 in “International Journal of Dermatology” This review explores the causes and mechanisms of alopecia areata and discusses current treatments, reporting no new clinical findings.
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.
108 citations
,
October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” This study documents that trichohyalin acts as a multi-functional cross-bridging protein in the inner root sheath of mouse hair follicles, enhancing mechanical strength by linking keratin filaments to the cell envelope.
148 citations
,
September 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.
86 citations
,
December 2002 in “Tissue Antigens” In this study, researchers found that the AIRE G961C variant is a significant risk factor for severe alopecia areata and early-onset cases, particularly in patients with alopecia universalis.
90 citations
,
January 2002 in “Dermatology” This study describes the kenogen phase, where hair follicles rest after shedding, and finds its duration and frequency are greater in individuals with androgenetic alopecia, potentially contributing to baldness.
71 citations
,
January 1998 in “Pathobiology” This review discusses the use of animal models to study alopecia areata and reports no new experimental results, emphasizing the potential for these models to explore the disease's genetics and treatment.
135 citations
,
October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” This study suggests that trichohyalin is modified by peptidyl-arginine deiminase before being cross-linked by TGase 3, allowing the formation of rigid structures in hair follicle cells.
72 citations
,
September 1997 in “Journal of Investigative Dermatology” 178 citations
,
June 1994 in “Journal of Investigative Dermatology” This study found that a non-scarring alopecia in C3H/HeJ mice resembles human alopecia areata and may serve as a valuable model for studying specific subtypes of the human condition.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that the switch-off of melanogenesis during the hair cycle in C57 BL-6 mice is a gradual and stochastic process starting in mid anagen VI, with specific biochemical markers indicating the transition to catagen.
27 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” 161 citations
,
June 1993 in “Journal of Biological Chemistry” This study suggests that human trichohyalin may function as a flexible rod linking keratin intermediate filaments and as a scaffold protein in hair follicle and epidermis cell envelopes.
139 citations
,
July 1991 in “Journal of The American Academy of Dermatology” This article discusses the structure of hair follicles and their significance in evaluating hair disorders, but it does not report any new research findings.
46 citations
,
November 1963 in “Journal of Histochemistry & Cytochemistry” In this study, researchers localized arginine and citrulline in rat hair follicles and found that arginine is abundant in trichohyalin droplets, while citrulline predominantly accumulates in the hardened inner sheath and medulla.