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Song CJ, Riley CA, Wilkison BD, Cho S. A Review of JAK Inhibitors for Treatment of Alopecia Areata in the Military Health Care System. Mil Med 2024:usae292. [PMID: 38850223 DOI: 10.1093/milmed/usae292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/23/2024] [Accepted: 05/22/2024] [Indexed: 06/10/2024] Open
Abstract
INTRODUCTION Alopecia areata (AA) is a disease that manifests as patchy hair loss on the scalp and other parts of the body; severe disease may result in disfigurement, functional impairment, and significant psychological distress. This condition is understood to be caused by autoimmunity to the hair follicle and subsequent arrest of hair growth. New medications, baricitinib and ritlecitinib, belong to the Janus kinase (JAK) inhibitor family and are among the first FDA-approved treatments for severe AA. In this manuscript, we aim to answer the question: What treatment options exist for AA in the military health care system (MHS)? In doing so, we review the pathogenesis, physical and psychosocial impact of AA, conventional treatment of AA, and the efficacy and safety of baricitinib and ritlecitinib. METHODS A literature search was performed using PubMed, Embase, and Ovid for the history and pathogenesis of AA, psychosocial impact of disease, functional impairments, and current treatments. Keywords "alopecia areata," "current therapy for alopecia areata," "pathogenesis alopecia areata," "baricitinib," "ritlecitinib," "JAK inhibitor alopecia," "JAK inhibitor safety," "baricitinib efficacy," "alopecia eyelash," "alopecia nails," and "psychosocial impact of alopecia" were used for the search. The TRICARE manual was searched for guidelines applicable to the treatment of AA, DoD Instruction 6130.03 Volume 2 for medical standards for military service, and the U.S. Central Command Modification 15 for fitness of deployment to Central Command area of operations. RESULTS Traditional treatments such as intralesional steroids may be effective for some patients, but difficulty lies in controlling extensive or refractory disease. Janus kinase inhibitors, baricitinib and ritlecitinib, are found effective at improving severe refractory disease; baricitinib induced hair regrowth in 32.6% more patients than placebo, and ritlecitinib was found to be superior to placebo by at least 24%. Currently, there is no coverage for therapeutic treatment of hair growth in the MHS. Additionally, military members are disqualified for continued service if they require immunomodulator medications such as baricitinib and ritlecitinib. Those on immunomodulators are unable to deploy worldwide. CONCLUSIONS Baricitinib and ritlecitinib are effective treatments for widespread, progressive, and refractory AA. Although JAK inhibitors demonstrate improved effectiveness compared to non-immunomodulator treatments, their use in the MHS for this purpose is limited.
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Affiliation(s)
- Christian J Song
- School of Medicine, Uniformed Services University of Health Sciences, Bethesda, MD 20814, USA
| | - Christopher A Riley
- Department of Medicine, Dermatology Service, Eisenhower Army Medical Center, Fort Gordon, GA 30905, USA
| | - Bart D Wilkison
- Department of Dermatology, Lyster Army Health Clinic, Fort Novosel, AL 36362, USA
| | - Sunghun Cho
- Department of Dermatology, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
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Sawamura S, Myangat TM, Kajihara I, Makino K, Aoi J, Masuguchi S, Fukushima S. Elevation of circulating DNAs of disease-associated cytokines in serum cell-free DNA from patients with alopecia areata. Biosci Trends 2024; 18:198-200. [PMID: 38616129 DOI: 10.5582/bst.2024.01084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Alopecia areata (AA) is an autoimmune disease characterized by damage to hair follicles and hair loss. Cell-free DNA (cfDNA) has recently received attention as a biomarker of various disorders including inflammatory skin diseases. In this study, we aimed to investigate the clinical significance of cfDNA and the circulating DNAs of disease-associated cytokines in AA patients. Serum samples were obtained from 63 patients with AA and 32 healthy controls (HC). Using droplet digital polymerase chain reaction, circulating C-X-C motif chemokine ligand (CXCL) 9, CXCL10, CXCL11, C-X-C motif chemokine receptor 3, interferon (IFN)-γ, interleukin (IL) -7, IL-15, and Janus kinase (JAK) 2 were detectable in both HC and AA patients. Among the detectable DNAs, copies of circulating CXCL9, CXCL11, IL-15, IFN-γ, and JAK2 were significantly higher in AA patients than in HC. These results suggest that increased circulating DNA levels may reflect damage to hair follicles in AA patients.
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Affiliation(s)
- Soichiro Sawamura
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Tselmeg M Myangat
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Ikko Kajihara
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Katsunari Makino
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Jun Aoi
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Shinichi Masuguchi
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Satoshi Fukushima
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
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Zhang R, Zhao Y, Chen X, Zhuang Z, Li X, Shen E. Low-dose IL-2 therapy in autoimmune diseases: An update review. Int Rev Immunol 2024; 43:113-137. [PMID: 37882232 DOI: 10.1080/08830185.2023.2274574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 10/16/2023] [Indexed: 10/27/2023]
Abstract
Regulatory T (Treg) cells are essential for maintaining self-immune tolerance. Reduced numbers or functions of Treg cells have been involved in the pathogenesis of various autoimmune diseases and allograft rejection. Therefore, the approaches that increase the pool or suppressive function of Treg cells in vivo could be a general strategy to treat different autoimmune diseases and allograft rejection. Interleukin-2 (IL-2) is essential for the development, survival, maintenance, and function of Treg cells, constitutively expressing the high-affinity receptor of IL-2 and sensitive response to IL-2 in vivo. And low-dose IL-2 therapy in vivo could restore the imbalance between autoimmune response and self-tolerance toward self-tolerance via promoting Treg cell expansion and inhibiting follicular helper T (Tfh) and IL-17-producing helper T (Th17) cell differentiation. Currently, low-dose IL-2 treatment is receiving extensive attention in autoimmune disease and transplantation treatment. In this review, we summarize the biology of IL-2/IL-2 receptor, the mechanisms of low-dose IL-2 therapy in autoimmune diseases, the application in the progress of different autoimmune diseases, including Systemic Lupus Erythematosus (SLE), Type 1 Diabetes (T1D), Rheumatoid Arthritis (RA), Autoimmune Hepatitis (AIH), Alopecia Areata (AA), Immune Thrombocytopenia (ITP) and Chronic graft-versus-host-disease (GVHD). We also discuss the future directions to optimize low-dose IL-2 treatments.
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Affiliation(s)
- Ruizhi Zhang
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Third Clinical School of Guangzhou Medical University, Guangzhou, China
| | - Yuyang Zhao
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology, Guangzhou Medical University, Guangzhou, China
| | - Xiangming Chen
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology, Guangzhou Medical University, Guangzhou, China
| | - Zhuoqing Zhuang
- Department of Clinical Medicine, The Third Clinical School of Guangzhou Medical University, Guangzhou, China
| | - Xiaomin Li
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Erxia Shen
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology, Guangzhou Medical University, Guangzhou, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
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4
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Shi Y, Wan S, Song X. Role of neurogenic inflammation in the pathogenesis of alopecia areata. J Dermatol 2024; 51:621-631. [PMID: 38605467 DOI: 10.1111/1346-8138.17227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/04/2024] [Accepted: 03/28/2024] [Indexed: 04/13/2024]
Abstract
Alopecia areata refers to an autoimmune illness indicated by persistent inflammation. The key requirement for alopecia areata occurrence is the disruption of immune-privileged regions within the hair follicles. Recent research has indicated that neuropeptides play a role in the damage to hair follicles by triggering neurogenic inflammation, stimulating mast cells ambient the follicles, and promoting apoptotic processes in keratinocytes. However, the exact pathogenesis of alopecia areata requires further investigation. Recently, there has been an increasing focus on understanding the mechanisms of immune diseases resulting from the interplay between the nervous and the immune system. Neurogenic inflammation due to neuroimmune disorders of the skin system may disrupt the inflammatory microenvironment of the hair follicle, which plays a crucial part in the progression of alopecia areata.
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Affiliation(s)
- Yetan Shi
- The Fourth Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- Department of Dermatology, Hangzhou Third Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Sheng Wan
- Department of Dermatology, Hangzhou Third Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- Department of Dermatology, Hangzhou Third People's Hospital, Hangzhou, Zhejiang, China
| | - Xiuzu Song
- Department of Dermatology, Hangzhou Third Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- Department of Dermatology, Hangzhou Third People's Hospital, Hangzhou, Zhejiang, China
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Suzuki T, Chéret J, Scala FD, Rajabi-Estarabadi A, Akhundlu A, Demetrius DL, Gherardini J, Keren A, Harries M, Rodriguez-Feliz J, Epstein G, Lee W, Purba T, Gilhar A, Paus R. Interleukin-15 is a hair follicle immune privilege guardian. J Autoimmun 2024; 145:103217. [PMID: 38581915 DOI: 10.1016/j.jaut.2024.103217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 03/15/2024] [Accepted: 03/26/2024] [Indexed: 04/08/2024]
Abstract
The autoimmunity-promoting cytokine, Interleukin-15 (IL-15), is often claimed to be a key pathogenic cytokine in alopecia areata (AA). Yet, rhIL-15 promotes human hair follicle (HF) growth ex vivo. We have asked whether the expression of IL-15 and its receptor (IL-15R) isoforms is altered in human AA and how IL-15 impacts on human HF immune privilege (HF-IP) in the presence/absence of interferon-γ (IFNγ), the well-documented key AA-pathogenic cytokine, as well as on hair regrowth after experimental AA induction in vivo. Quantitative immunohistomorphometry showed the number of perifollicular IL-15+ T cells in AA skin biopsies to be significantly increased compared to healthy control skin, while IL-15, IL-15Rα, and IL-15Rγ protein expression within the hair bulb were significantly down-regulated in AA HFs. In organ-cultured human scalp HFs, rhIL-15 significantly reduced hair bulb expression of MICA, the key "danger" signal in AA pathogenesis, and increased production of the HF-IP guardian, α-MSH. Crucially, ex vivo, rhIL-15 prevented IFNγ-induced HF-IP collapse, restored a collapsed HF-IP by IL-15Rα-dependent signaling (as documented by IL-15Rα-silencing), and protected AA-preventive immunoinhibitory iNKT10 cells from IFNγ-induced apoptosis. rhIL-15 even promoted hair regrowth after experimental AA induction in human scalp skin xenotransplants on SCID/beige mice in vivo. Our data introduce IL-15 as a novel, functionally important HF-IP guardian whose signaling is constitutively defective in scalp HFs of AA patients. Our data suggest that selective stimulation of intrafollicular IL-15Rα signaling could become a novel therapeutic approach in AA management, while blocking it pharmacologically may hinder both HF-IP restoration and hair re-growth and may thus make HFs more vulnerable to AA relapse.
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Affiliation(s)
- Takahiro Suzuki
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jérémy Chéret
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Fernanda D Scala
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Ali Rajabi-Estarabadi
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Dermatology, Broward Health, Fort Lauderdale, FL, USA
| | - Aysun Akhundlu
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Dana-Lee Demetrius
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jennifer Gherardini
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Aviad Keren
- Skin Research Laboratory, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Matthew Harries
- Centre for Dermatology Research, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, M6 8HD, UK
| | | | - Gorana Epstein
- Foundation for Hair Restoration, 33143, Miami, Florida, USA
| | - Wendy Lee
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Talveen Purba
- Centre for Dermatology Research, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Amos Gilhar
- Skin Research Laboratory, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Ralf Paus
- Dr. Phillip Frost Dept. of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA; Centre for Dermatology Research, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; CUTANEON - Skin & Hair Innovations, Hamburg, Germany.
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Kyung S, Woo S, Kim M, Lee H, Kang J, Rahmati M, Yon DK. Global burden of vaccine-associated alopecia, 1979-2023: a comprehensive analysis of the international pharmacovigilance database. Br J Dermatol 2024; 190:764-767. [PMID: 38332614 DOI: 10.1093/bjd/ljae055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/24/2024] [Accepted: 02/05/2024] [Indexed: 02/10/2024]
Abstract
While global concern over vaccine-associated alopecia has been gradually increasing, it has also been reported that alopecia, classified as an autoimmune disease, can manifest as an immune-related side-effect caused by vaccinations. However, comprehensive research on vaccine-associated alopecia has been limited. Therefore, we carried out a comprehensive analysis using information from VigiBase (1979–2023) from more than 156 countries, managed by the WHO and the Uppsala Monitoring Centre. Thus, this global pharmacovigilance study of vaccine-associated alopecia, encompassing all age and sex groups, provides international and comprehensive evidence that substantiates the overall real-world impact of vaccines.
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Affiliation(s)
- Seoyeon Kyung
- Center for Digital Health, Medical Science Research Institute
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
| | - Selin Woo
- Center for Digital Health, Medical Science Research Institute
| | - Minji Kim
- Center for Digital Health, Medical Science Research Institute
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
| | - Hayeon Lee
- Center for Digital Health, Medical Science Research Institute
| | - Jiseung Kang
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Masoud Rahmati
- Department of Physical Education and Sport Sciences, Faculty of Literature and Human Sciences, Lorestan University, Khoramabad, Iran
- Department of Physical Education and Sport Sciences, Faculty of Literature and Humanities, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
| | - Dong Keon Yon
- Center for Digital Health, Medical Science Research Institute
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea
- Department of Pediatrics, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul, South Korea
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Fu S, Song X. The clinical and immunological features of alopecia areata following SARS-CoV-2 infection or COVID-19 vaccines. Expert Opin Ther Targets 2024; 28:273-282. [PMID: 38646688 DOI: 10.1080/14728222.2024.2344696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/15/2024] [Indexed: 04/23/2024]
Abstract
INTRODUCTION Alopecia areata (AA) is an autoimmune disease induced by viral infection or vaccination. With the increased incidence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the incidence of AA has also increased. Recently the incidence was found to be 7.8% from a previously reported rate of 2.1%. The physical and psychological damage caused by AA could seriously affect patients' lives, while AA is a challenging dermatological disease owing to its complex pathogenesis. AREAS COVERED This paper presents a comprehensive review of the prevalence, pathogenesis and potential therapeutic targets for AA after infection with SARS-CoV-2 or SARS-CoV-2 vaccine. EXPERT OPINION The treatment of AA remains challenging because of the complexity of its pathogenesis. For patients with AA after SARS-CoV-2 infection or vaccination, the use of sex hormones and alternative regenerative therapies may be actively considered in addition to conventional treatments. For preexisting disease, therapeutic agents should be adjusted to the patient's specific condition.
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Affiliation(s)
- Shiqi Fu
- The Fourth Clinical Medical College, Zhejiang Chinese Medical University, Zhejiang, China
| | - Xiuzu Song
- Department of Dermatology, Hangzhou Third People's Hospital, Affiliated Hangzhou Dermatology Hospital, Hangzhou, China
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Yang J, Zhu Z, Zhang C, Guo Y, Wang G, Fu M. Association between non-scarring alopecia and hypothyroidism: a bidirectional two-sample Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 15:1356832. [PMID: 38562416 PMCID: PMC10982309 DOI: 10.3389/fendo.2024.1356832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
Background Non-scarring alopecia is typically represented by two main types: alopecia areata (AA) and androgenetic alopecia (AGA). While previous observational studies have indicated a link between non-scarring alopecia and hypothyroidism, the precise causal relationship remains uncertain. To determine the potential links between non-scarring alopecia and hypothyroidism, we conducted a bidirectional two-sample Mendelian randomization (MR) analysis. Methods We used independent genetic instruments from the FinnGen consortium for AA (682 cases, 361,140 controls) and AGA (195 cases, 201,019 controls) to investigate the association with hypothyroidism in the UK Biobank study (22,687 cases, 440,246 controls). The primary analysis was performed using the inverse variance-weighted method. Complementary approaches were employed to evaluate the pleiotropy and heterogeneity. Results Genetically predicted AA exhibited a positive causal effect on hypothyroidism (odds ratio [OR], 1.0017; 95% confidence interval [CI], 1.0004-1.0029; P = 0.0101). Additionally, hypothyroidism was found to be strongly correlated with an increase in the risk of AA (OR, 45.6839; 95% CI, 1.8446-1131.4271, P = 0.0196). However, no causal relationship was demonstrated between AGA and hypothyroidism. A sensitivity analysis validated the integrity of these causal relationships. Conclusion This MR study supports a bidirectional causal link between AA and hypothyroidism. Nevertheless, additional research is needed to gain a more thorough comprehension of the causal relationship between non-scarring alopecia and hypothyroidism.
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Affiliation(s)
- Jiankang Yang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- Xijing 986 Hospital Department, Fourth Military Medical University, Xi’an, China
| | - Zhenlai Zhu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Chen Zhang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Yanyang Guo
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Gang Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Meng Fu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
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Ha GU, Kim JH, Jang YH. Improvement of severe alopecia areata in an adolescent patient on upadacitinib. Pediatr Dermatol 2024; 41:356-358. [PMID: 38151479 DOI: 10.1111/pde.15504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 12/09/2023] [Indexed: 12/29/2023]
Abstract
Recently, alopecia areata (AA) treatment via the Janus kinase (JAK)-signal transducer and activator of transcription pathway has been reported. However, as baricitinib, a JAK1/2 inhibitor is only approved for adult patients, children, and adolescent patients still lack treatment options. We present a case that showed improvement of severe AA in an adolescent patient on upadacitinib, which has been approved by the Food and Drug Administration (FDA) for use in patients with rheumatoid disease or atopic dermatitis (AD) in children aged 12 years or older and weighing 40 kg or more. Herein, we suggest that upadacitinib can be a good alternative for adolescent patients with AA, particularly those who may also have AD.
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Affiliation(s)
- Gi Ung Ha
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, South Korea
| | - Jin Ho Kim
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, South Korea
| | - Yong Hyun Jang
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, South Korea
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Lee EJ, Kim MW, Gil HN, Chung YJ, Kim EM. In vitro hair growth-promoting effect of Lgr5-binding octapeptide in human primary hair cells. J Cosmet Dermatol 2024; 23:986-998. [PMID: 37905348 DOI: 10.1111/jocd.16036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/21/2023] [Accepted: 10/05/2023] [Indexed: 11/02/2023]
Abstract
BACKGROUND Hair loss occurs due to various biological and environmental causes, which can have psychosocial consequences. The Wnt/β-catenin signaling is well-known for its role in hair growth and regeneration, as it induces the proliferation and differentiation of hair cells. When the leucine-rich G protein-coupled receptor 5 (Lgr5) interacts with the R-spondins, the frizzled receptor (FZD), a Wnt receptor, becomes stabilized, resulting in an increased β-catenin activity. AIM We investigated whether the octapeptide that binds to Lgr5 enhances proliferation and differentiation of human primary hair cells through the activation of Wnt/β-catenin signaling. METHODS The binding affinity of the octapeptide to Lgr5 was evaluated using surface plasmon resonance (SPR). We confirmed changes in proliferation and related factors like β-catenin activation and growth factors (GFs) expression in human hair follicle dermal papilla cells (HHFDPCs). Additionally, we observed the proliferation and the expression of differentiation markers in human hair follicle outer root sheath cells (HHFORSCs), human hair follicle germinal matrix cells (HHFGMCs), and human hair follicle stem cells (HHFSCs). We used three-dimensional HHFDPC spheroid culture treated with dihydrotestosterone (DHT) to create in vitro conditions that mimic androgenetic alopecia, and we studied the effects of octapeptide on Wnt expression and HHFSC differentiation. RESULTS The binding of the octapeptide to Lgr5 was confirmed using SPR analysis. In HHFDPCs, treatment with octapeptide resulted in a concentration-dependent increase in proliferation. We also observed increased nuclear translocation of β-catenin and increased expression of its downstream targets. HHFDPCs treated with octapeptide exhibited increased expression of growth factors and phosphorylation of Akt and ERK. In addition, we confirmed that octapeptide increased proliferation and induced differentiation in HHFORSCs, HHFGMCs, and HHFSCs. Under the HHFDPC spheroid culture conditions, we found that octapeptide restored the inhibition of Wnt-5a and Wnt-10b expressions by DHT. In HHFSCs treated with HHFDPC spheroid culture media, we observed that octapeptide recovered the inhibition of differentiation by DHT. CONCLUSION We found that octapeptides activated the Wnt/β-catenin signaling and induced the proliferation and differentiation of human primary hair cells by acting as an exogenous ligand for Lgr5. In addition, octapeptides recovered inhibited hair regeneration characters by DHT in androgenetic alopecia-mimic in vitro model. These findings suggest that octapeptides may be a promising therapeutic option for treating hair loss.
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Affiliation(s)
| | | | - Ha-Na Gil
- Caregen R&D center, Anyang-si, Korea
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Singh R, Kumar P, Kumar D, Aggarwal N, Chopra H, Kumar V. Alopecia areata: review of epidemiology, pathophysiology, current treatments and nanoparticulate delivery system. Ther Deliv 2024; 15:193-210. [PMID: 38449420 DOI: 10.4155/tde-2023-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024] Open
Abstract
Alopecia areata (AA) is a kind of alopecia that affects hair follicles and nails. It typically comes with round patches and is a type of nonscarring hair loss. Various therapies are accessible for the management and treatment of AA, including topical, systemic and injectable modalities. It is a very complex type of autoimmune disease and is identified as round patches of hair loss and may occur at any age. This review paper highlights the epidemiology, clinical features, pathogenesis and new treatment options for AA, with a specific emphasis on nanoparticulate drug-delivery systems. By exploring these innovative treatment approaches, researchers aim to enhance the effectiveness and targeted delivery of therapeutic agents, ultimately improving outcomes for individuals living with AA.
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Affiliation(s)
- Robel Singh
- College of Pharmacy, PGIMS, Pt B D Sharma, University of Health Sciences-Rohtak, 124001, India
| | - Pawan Kumar
- Indian Pharmacopoeia Commision, Ministry of Health & Family Welfare, Govt. of India
| | - Davinder Kumar
- College of Pharmacy, PGIMS, Pt B D Sharma, University of Health Sciences-Rohtak, 124001, India
| | - Navidha Aggarwal
- MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207, India
| | - Hitesh Chopra
- Department of Biosciences, Saveetha School of Engineering, Saveetha Institute of Medical & Technical Sciences, Chennai, 602105, Tamil Nadu, India
| | - Virender Kumar
- College of Pharmacy, PGIMS, Pt B D Sharma, University of Health Sciences-Rohtak, 124001, India
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Sharma N, Chaudhary SM, Khungar N, Aulakh SK, Idris H, Singh A, Sharma K. Dietary Influences on Skin Health in Common Dermatological Disorders. Cureus 2024; 16:e55282. [PMID: 38562266 PMCID: PMC10982215 DOI: 10.7759/cureus.55282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/29/2024] [Indexed: 04/04/2024] Open
Abstract
The role of diet in the development of skin disorders is well-established, with nutritional deficiency often identified as a risk factor for skin diseases. Imbalances in the skin can be caused by nutritional deficiencies, excessive intake, insufficient nutrients, and hazardous ingredients. Patients frequently inquire about the impact of dietary patterns on skin health when consulting dermatologists in clinical settings. Simultaneously, the popularity of using nutritional supplements containing vitamins, minerals, and nutraceutical blends has been on the rise. It is crucial for dermatologists, primary care physicians, and other healthcare providers to be acquainted with evidence-based dietary interventions, distinguishing them from those that are more market-driven than truly efficacious. This review explores the modification of diet, encompassing both dietary exclusion and supplementation, as a therapeutic approach for conditions such as psoriasis, atopic dermatitis, bullous disease, vitiligo, and alopecia areata. A comprehensive literature search, utilizing the PubMed/Medline, Google Scholar, and Medscape databases, was conducted to investigate the relationship between each nutrient and various inflammatory skin diseases. The findings emphasize the significance of a well-balanced and thoughtfully planned diet in supplying adequate amounts of proteins, vitamins, and minerals to support optimal skin health. Additionally, this comprehensive review navigates through various dietary recommendations, offering insights into their multifaceted impacts on the immune system, gut microbiome, and skin health. The goal is to pave the way for informed and targeted dietary interventions for individuals dealing with food allergies and associated skin conditions.
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Affiliation(s)
| | - Sachin M Chaudhary
- Internal Medicine, Gujarat Cancer Society (GCS) Medical College, Hospital and Research Centre, Ahmedabad, IND
| | - Niharika Khungar
- Internal Medicine, Sri Guru Ramdas University of Health Science and Research, Amritsar, IND
| | - Smriti K Aulakh
- Internal Medicine, Sri Guru Ramdas University of Health Science and Research, Amritsar, IND
| | - Hadeeqa Idris
- Internal Medicine, Shifa International Hospital, Islamabad, PAK
| | - Ajay Singh
- Internal Medicine, Sri Ram Murti Smarak Institute of Medical Sciences, Bareilly, IND
| | - Kriti Sharma
- Internal Medicine, Government Medical College, Amritsar, Amritsar, IND
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13
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Pestana M, Brito Caldeira M, Duarte B. Atopic Dermatitis and Multilocular Alopecia Areata Simultaneously Treated With Baricitinib. ACTAS DERMO-SIFILIOGRAFICAS 2024; 115:200-201. [PMID: 36842474 DOI: 10.1016/j.ad.2022.06.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 06/12/2022] [Indexed: 02/26/2023] Open
Affiliation(s)
- M Pestana
- Dermatology and Venereology Department, Centro Hospitalar Universitário de Lisboa Central, EPE, Lisbon, Portugal.
| | - M Brito Caldeira
- Dermatology and Venereology Department, Centro Hospitalar Universitário de Lisboa Central, EPE, Lisbon, Portugal
| | - B Duarte
- Dermatology and Venereology Department, Centro Hospitalar Universitário de Lisboa Central, EPE, Lisbon, Portugal
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14
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Lee JH, Choi S. Deciphering the molecular mechanisms of stem cell dynamics in hair follicle regeneration. Exp Mol Med 2024; 56:110-117. [PMID: 38182654 PMCID: PMC10834421 DOI: 10.1038/s12276-023-01151-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/24/2023] [Accepted: 11/01/2023] [Indexed: 01/07/2024] Open
Abstract
Hair follicles, which are connected to sebaceous glands in the skin, undergo cyclic periods of regeneration, degeneration, and rest throughout adult life in mammals. The crucial function of hair follicle stem cells is to maintain these hair growth cycles. Another vital aspect is the activity of melanocyte stem cells, which differentiate into melanin-producing melanocytes, contributing to skin and hair pigmentation. Sebaceous gland stem cells also have a pivotal role in maintaining the skin barrier by regenerating mature sebocytes. These stem cells are maintained in a specialized microenvironment or niche and are regulated by internal and external signals, determining their dynamic behaviors in homeostasis and hair follicle regeneration. The activity of these stem cells is tightly controlled by various factors secreted by the niche components around the hair follicles, as well as immune-mediated damage signals, aging, metabolic status, and stress. In this study, we review these diverse stem cell regulatory and related molecular mechanisms of hair regeneration and disease conditions. Molecular insights would provide new perspectives on the disease mechanisms as well as hair and skin disorder treatment.
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Affiliation(s)
- Jung Hyun Lee
- Department of Dermatology, School of Medicine, University of Washington, Seattle, WA, 98109, USA
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, 98109, USA
| | - Sekyu Choi
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
- Medical Science and Engineering, School of Convergence Science and Technology, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
- Institute for Convergence Research and Education in Advanced Technology (I_CREATE), Yonsei University, Incheon, 21983, Republic of Korea.
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15
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Sandru F, Petca RC, Dumitrascu MC, Petca A, Ionescu (Miron) AI, Baicoianu-Nitescu LC. Cutaneous Manifestations in Autoimmune Polyendocrinopathy-Candidiasis-Ectodermal Dystrophy (APECED): A Comprehensive Review. Biomedicines 2024; 12:132. [PMID: 38255237 PMCID: PMC10813467 DOI: 10.3390/biomedicines12010132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 01/24/2024] Open
Abstract
Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED), or polyglandular autoimmune syndrome type 1 (PAS-1/APS-1), is a rare autosomal recessive disorder linked to mutations in the autoimmune regulator (AIRE) gene. This review provides a detailed analysis of cutaneous manifestations in APECED, focusing on chronic mucocutaneous candidiasis (CMC), alopecia areata (AA), and vitiligo. The classic triad of hypoparathyroidism, adrenal insufficiency, and CMC serves as a diagnostic cornerstone. However, the varied clinical spectrum of APECED, particularly its cutaneous presentations, poses a diagnostic challenge. CMC, often an early sign, varies in prevalence across populations, including Finnish (100%), Irish (100%), Saudi Arabian (80%), Italian (60-74.7%), North American (51-86%), and Croatian (57.1%) populations. Similarly, AA prevalence varies in different populations. Vitiligo also exhibits variable prevalence across regions. The review synthesizes the current knowledge arising from a narrative analysis of 14 significant human studies published in English up to October 2023. Moreover, this paper underscores the importance of early detection and monitoring, emphasizing cutaneous manifestations as key diagnostic indicators. Ongoing research and clinical vigilance are crucial for unraveling the complexities of this rare autoimmune syndrome and enhancing patient care.
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Affiliation(s)
- Florica Sandru
- Department of Dermatovenerology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (F.S.); (L.-C.B.-N.)
- Dermatology Department, “Elias” University Emergency Hospital, 011461 Bucharest, Romania
| | - Razvan-Cosmin Petca
- Department of Urology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Urology, ‘Prof. Dr. Th. Burghele’ Clinical Hospital, 050659 Bucharest, Romania
| | - Mihai Cristian Dumitrascu
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Obstetrics and Gynecology, University Emergency Hospital of Bucharest, 050098 Bucharest, Romania
| | - Aida Petca
- Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Obstetrics and Gynecology, “Elias” University Emergency Hospital, 011461 Bucharest, Romania
| | - Andreea-Iuliana Ionescu (Miron)
- Department of Oncological Radiotherapy and Medical Imaging, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Medical Oncology, Colțea Clinical Hospital, 030167 Bucharest, Romania
| | - Livia-Cristiana Baicoianu-Nitescu
- Department of Dermatovenerology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (F.S.); (L.-C.B.-N.)
- Dermatology Department, “Elias” University Emergency Hospital, 011461 Bucharest, Romania
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16
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Takagi M, Kinoshita-Ise M, Fukuyama M, Aoki S, Nishikawa S, Miyoshi M, Sugimoto T, Yamazaki M, Ogo M, Ohyama M. A modified Sobel filter-based automated numerical algorithm enables immediate trichoscopic assessment of hair diameter diversity in male and female pattern hair loss. J Dermatol Sci 2024; 113:38-40. [PMID: 38030511 DOI: 10.1016/j.jdermsci.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/23/2023] [Accepted: 11/09/2023] [Indexed: 12/01/2023]
Affiliation(s)
- Masaya Takagi
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan.
| | | | - Masahiro Fukuyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Soichiro Aoki
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan
| | - Saori Nishikawa
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan
| | - Mami Miyoshi
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan
| | - Takaki Sugimoto
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan
| | - Masako Yamazaki
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan
| | - Masashi Ogo
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd., Yokohama, Japan
| | - Manabu Ohyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan.
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17
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Wohl Y, Mashiah J, Drutin Y, Vered S, Ben-Tov A. Incidence rate of alopecia areata in Israel: A 15-year analysis of population-based data and the emergence of young male adults as the most at-risk group. J Dermatol 2024; 51:88-94. [PMID: 37950420 DOI: 10.1111/1346-8138.17033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/19/2023] [Accepted: 10/26/2023] [Indexed: 11/12/2023]
Abstract
Incidence rate and temporal trends in alopecia areata (AA) vary worldwide. As a common disorder with a major impact on life quality, there is a continuous need for comprehensive epidemiological characterization and global updates of the disease burden. We sought to perform an epidemiologic characterization of AA patients and to explore temporal trends across different subgroups using long-term health data. A retrospective population-based study was conducted in a large healthcare organization in Israel. Data were analyzed for all patients with AA between 2005 and 2019. A total of 30 805 patients for 29 504 798 person-years were identified during the study period, representing an overall incidence rate of 104.4 cases per 100 000 person-years. Young adults and patients of middle socioeconomic status had the highest incidence rate compared to the whole cohort. Incidence rates in females were lower than in males (incidence rate ratio 0.72, 95% confidence interval 0.71-0.74). In a temporal trends analysis, the yearly incidence rate for the whole cohort was stable throughout the study period. Males between the ages of 18 and 30 had a significant increase in incidence during the study years, where the incidence rate increased from 119.54 to 162.36 per 100 000 person-years. Despite the limitation of lack of analysis by subgroups of disease severity and other personal data, our study clearly indicates that young male adults of middle socioeconomic status emerge as the most at risk associated with AA over a decade and a half. In an effort to delineate risk factors for this gender gap, different stressors are speculated as triggers.
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Affiliation(s)
- Yonit Wohl
- Maccabi Health Services, Tel-Aviv, Israel
- Kahn Sagol Maccabi Research and Innovation Center, Maccabi Healthcare Services, Tel-Aviv, Israel
| | - Jacob Mashiah
- Tel Aviv Sourasky Medical Center, Pediatric Dermatology Clinic, Dana-Dwek Children's Hospital, Tel-Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yarden Drutin
- Pediatrics Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Shiras Vered
- School of Public Health, University of Haifa, Haifa, Israel
| | - Amir Ben-Tov
- Kahn Sagol Maccabi Research and Innovation Center, Maccabi Healthcare Services, Tel-Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Pediatrics, Dana Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
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18
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Xu W, Shen Y, Sun J, Wei D, Xie B, Song X. Causal role of immune cells in alopecia areata: A two-sample Mendelian randomization study. Skin Res Technol 2024; 30:e13579. [PMID: 38221794 PMCID: PMC10788640 DOI: 10.1111/srt.13579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 12/28/2023] [Indexed: 01/16/2024]
Abstract
BACKGROUND Previous research has highlighted an association between alopecia areata (AA) and the collapse of hair follicle immune privilege, however, the causal linkage to specific immune cell traits remains to be elucidated. This study aimed to investigate the causal influence of immune cell traits on AA utilizing a two-sample Mendelian randomization (MR) approach. METHODS Leveraging GWAS summary statistics of 731 immunological traits (n = 3757) and AA data (n = 211,428), MR analyses were conducted employing inverse-variance weighted (IVW), weighted median, and MR-Egger regression methodologies. Sensitivity analyses were undertaken using Cochran's Q test, MR-Egger intercept test, and MR-PRESSO analysis. A reverse MR analysis was performed for immune cell traits identified in the initial MR analysis. RESULTS Our study unveiled multiple immune traits associated with AA. Protective associations were observed for CD62L- CD86+ myeloid dendritic cells (DCs), TD CD4+%CD4+ T cells, and others, with ORs ranging from 0.63 to 0.78. Conversely, traits like CD62L on CD62L+ plasmacytoid DCs, HLA-DR on CD14- CD16+ monocytes, HLA-DR on monocytes, and others, were determined to augment the risk of AA, with ORs ranging from 1.13 to 1.46. Reverse MR analysis signified a reduction in BAFF-R on IgD-CD24-B cells post-AA onset (OR: 0.97, 95% CI: 0.95-1.00), with no identified heterogeneity or horizontal pleiotropy among the instrumental variables (IVs). CONCLUSIONS Our findings suggests that CD62L on certain subpopulations of DCs and HLA-DR on monocytes may epitomize risk factors for AA, offering potential therapeutic targets for alleviating AA.
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Affiliation(s)
- Wen Xu
- School of MedicineZhejiang UniversityHangzhouChina
- Department of DermatologyHangzhou Third People's HospitalHangzhouChina
| | - Yuqing Shen
- Hangzhou Third HospitalAffiliated to Zhejiang Chinese Medical UniversityHangzhouChina
| | - Jiayi Sun
- Hangzhou Third HospitalAffiliated to Zhejiang Chinese Medical UniversityHangzhouChina
| | - Dongfan Wei
- School of MedicineZhejiang UniversityHangzhouChina
- Department of DermatologyHangzhou Third People's HospitalHangzhouChina
| | - Bo Xie
- Department of DermatologyHangzhou Third People's HospitalHangzhouChina
| | - Xiuzu Song
- Department of DermatologyHangzhou Third People's HospitalHangzhouChina
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19
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Wang J, Ma Y, Li T, Li J, Yang X, Hua G, Cai G, Zhang H, Liu Z, Wu K, Deng X. MiR-199a-3p Regulates the PTPRF/β-Catenin Axis in Hair Follicle Development: Insights into the Pathogenic Mechanism of Alopecia Areata. Int J Mol Sci 2023; 24:17632. [PMID: 38139460 PMCID: PMC10743674 DOI: 10.3390/ijms242417632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
Alopecia areata is an autoimmune disease characterized by the immune system attacking self hair follicles, mainly in the scalp. There is no complete cure, and the pathogenesis is still not fully understood. Here, sequencing of skin tissues collected from 1-month-old coarse- and fine-wool lambs identified miR-199a-3p as the only small RNA significantly overexpressed in the fine-wool group, suggesting a role in hair follicle development. MiR-199a-3p expression was concentrated in the dermal papillae cells of sheep hair follicles, along with enhanced β-catenin expression and the inhibition of PTPRF protein expression. We also successfully constructed a mouse model of alopecia areata by intracutaneous injection with an miR-199a-3p antagomir. Injection of the miR-199a-3p agomir resulted in hair growth and earlier anagen entry. Conversely, local injection with the miR-199a-3p antagomir resulted in suppressed hair growth at the injection site, upregulation of immune system-related genes, and downregulation of hair follicle development-related genes. In vivo and in vitro analyses demonstrated that miR-199a-3p regulates hair follicle development through the PTPRF/β-catenin axis. In conclusion, a mouse model of alopecia areata was successfully established by downregulation of a small RNA, suggesting the potential value of miR-199a-3p in the study of alopecia diseases. The regulatory role of miR-199a-3p in the PTPRF/β-catenin axis was confirmed, further demonstrating the link between alopecia areata and the Wnt-signaling pathway.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Xuemei Deng
- Beijing Key Laboratory for Animal Genetic Improvement & State Key Laboratory of Animal Biotech Breeding & Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture, China Agricultural University, Beijing 100193, China; (J.W.); (Y.M.); (T.L.); (J.L.); (X.Y.); (G.H.); (G.C.); (H.Z.); (Z.L.); (K.W.)
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20
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Liu Z, Liu X. Gut microbiome, metabolome and alopecia areata. Front Microbiol 2023; 14:1281660. [PMID: 38033589 PMCID: PMC10684942 DOI: 10.3389/fmicb.2023.1281660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/24/2023] [Indexed: 12/02/2023] Open
Abstract
Alopecia areata (AA) is a type of dermatological disease characterized by rapid and non-scarring hair loss of the scalp or body skin that may be related to genetic, immunological and physiological factors. It is now believed that AA is associated with oxidative stress, autoimmune disease, neuropsychological factors, pathogens, immune checkpoint inhibitors and microecological imbalance under the premise of host genetic susceptibility. In recent years, studies have revealed the significant role of the gut microbiome or metabolome in many aspects of human health. Diverse studies have revealed that the gut microbiome and metabolome have an important influence on skin conditions. This review highlights the relationship between AA and the gut microbiome or metabolome to provide novel directions for the prevention, clinical diagnosis and treatment of AA.
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Affiliation(s)
- Zhiyu Liu
- School of Medicine of Zhejiang University, Hangzhou, China
| | - Xiaoyan Liu
- Department of Dermatology, The First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou, China
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21
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João AL, Cunha N, Cordeiro AI, Lopes MJP. [Artículo traducido] Síndrome de Van der Woude y alopecia areata: más que una asociación fortuita? ACTAS DERMO-SIFILIOGRAFICAS 2023; 114:T921-T922. [PMID: 37748732 DOI: 10.1016/j.ad.2023.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 06/20/2022] [Accepted: 07/06/2022] [Indexed: 09/27/2023] Open
Affiliation(s)
- A L João
- Dermatology Department, Centro Hospitalar Universitário de Lisboa Central - Lisboa, Portugal.
| | - N Cunha
- Dermatology Department, Centro Hospitalar Universitário de Lisboa Central - Lisboa, Portugal
| | - A I Cordeiro
- Pediatrics Department, Centro Hospitalar Universitário de Lisboa Central, Lisboa, Portugal
| | - M J Paiva Lopes
- Dermatology Department, Centro Hospitalar Universitário de Lisboa Central - Lisboa, Portugal
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22
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João AL, Cunha N, Cordeiro AI, Paiva Lopes MJ. Van der Woude Syndrome and Alopecia Areata: More Than a Fortuitous Association? ACTAS DERMO-SIFILIOGRAFICAS 2023; 114:921-922. [PMID: 36740176 DOI: 10.1016/j.ad.2022.07.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 06/20/2022] [Accepted: 07/06/2022] [Indexed: 02/05/2023] Open
Affiliation(s)
- A L João
- Dermatology Department, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal.
| | - N Cunha
- Dermatology Department, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
| | - A I Cordeiro
- Pediatrics Department, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
| | - M J Paiva Lopes
- Dermatology Department, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
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23
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Takagi M, Kinoshita-Ise M, Fukuyama M, Nishikawa S, Miyoshi M, Sugimoto T, Yamazaki M, Ogo M, Ohyama M. Invention of automated numerical algorithm adopting binarization for the evaluation of scalp hair coverage: An image analysis providing a substitute for phototrichogram and global photography assessment for hair diseases. J Dermatol Sci 2023; 112:92-98. [PMID: 37777361 DOI: 10.1016/j.jdermsci.2023.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 09/07/2023] [Accepted: 09/19/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND The efficacy of therapeutic modalities for hair disease can be evaluated globally by photo assessment and more precisely by phototrichogram (PTG). However, the latter procedure is laborious, time consuming, subject to inter-observer variation, and requires hair clipping. OBJECTIVE To establish an automated and patient/investigator friendly methodology enabling quantitative hair amount evaluation for daily clinical practice. METHODS A novel automated numerical algorithm (aNA) adopting digital image binarization (i.e., black and white color conversion) was invented to evaluate hair coverage and measure PTG parameters in scalp images. Step-by-step improvement of aNA was attempted through comparative analyses of the data obtained respectively by the novel approach and conventional PTG/global photography assessment (GPA). RESULTS For measuring scalp hair coverage, the initial version of aNA generally agreed with the cumulative hair diameter as assessed using PTG, showing a coefficient of 0.60. However, these outcomes were influenced by the angle of hair near the parting line. By integrating an angle compensation formula, the standard deviation of aNA data decreased from 5.7% to 1.2%. Consequently, the coefficient of determination for hair coverage calculated using the modified aNA and cumulative hair diameter assessed by PTG increased to 0.90. Furthermore, the change in hair coverage as determined by the modified aNA protocol correlated well with changes in the GPA score of images obtained using clinical trials. CONCLUSION The novel aNA method provides a valuable tool for enabling simple and accurate evaluation of hair growth and volume for clinical trials and for treatment of hair disease.
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Affiliation(s)
- Masaya Takagi
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd, Yokohama, Japan
| | | | - Masahiro Fukuyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Saori Nishikawa
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd, Yokohama, Japan
| | - Mami Miyoshi
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd, Yokohama, Japan
| | - Takaki Sugimoto
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd, Yokohama, Japan
| | - Masako Yamazaki
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd, Yokohama, Japan
| | - Masashi Ogo
- Regenerative Medicine Research & Business Development Department, Shiseido Co., Ltd, Yokohama, Japan
| | - Manabu Ohyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
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24
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Aboalola D, Aouabdi S, Ramadan M, Alghamdi T, Alsolami M, Malibari D, Alsiary R. An Update on Alopecia and its Association With Thyroid Autoimmune Diseases. TOUCHREVIEWS IN ENDOCRINOLOGY 2023; 19:54-59. [PMID: 38187080 PMCID: PMC10769472 DOI: 10.17925/ee.2023.19.2.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/30/2023] [Indexed: 01/09/2024]
Abstract
Alopecia is comorbid with several illnesses, including various autoimmune conditions such as thyroid disease. Leukocyte-mediated inflammation of hair follicles in alopecia was first described over a century ago. However, the high prevalence of the role of thyroid autoimmune disease in the pathogenesis of alopecia has only recently come to light, together with a strong association between the two. Therefore, this review focuses on articles published between 2011 and 2022 on alopecia's association with thyroid autoimmune disease, and the mechanism behind it. In addition, it highlights the link between alopecia and thyroid cancer, as patients with alopecia have increased risk of thyroid cancer. In conclusion, this comprehensive, focused, scoping review will serve as a reference highlighting recent information on alopecia, exploring its association with thyroid autoimmune diseases.
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Affiliation(s)
- Doaa Aboalola
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
| | - Sihem Aouabdi
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
| | - Majed Ramadan
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
| | - Tariq Alghamdi
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
| | - Mona Alsolami
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
| | - Dalal Malibari
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
| | - Rawiah Alsiary
- King Abdullah International Medical Research Center, Jeddah, Western Region, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Western Region, Saudi Arabia
- Ministry of National Guard Health Affairs, Jeddah, Western Region, Saudi Arabia
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Ly S, Manjaly P, Kamal K, Shields A, Wafae B, Afzal N, Drake L, Sanchez K, Gregoire S, Zhou G, Mita C, Mostaghimi A. Comorbid Conditions Associated with Alopecia Areata: A Systematic Review and Meta-analysis. Am J Clin Dermatol 2023; 24:875-893. [PMID: 37464249 DOI: 10.1007/s40257-023-00805-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Alopecia areata (AA) is a complex autoimmune condition resulting in nonscarring hair loss. In recent years, many studies have provided new evidence on comorbid diseases present in patients with AA. However, some studies have conflicting results, and analyses conducting a comprehensive approach are lacking. OBJECTIVE The aim of our study was to provide an updated systematic review and meta-analysis of medical comorbidities associated with AA. METHODS We searched PubMed, Embase, and Web of Science for case-control, cross-sectional, and cohort studies investigating medical comorbidities in AA published from inception through 1 February 2023. RESULTS We screened 3428 abstracts and titles and reviewed 345 full text articles for eligibility. Ultimately, 102 studies were analyzed, comprising 680,823 patients with AA and 72,011,041 healthy controls. Almost all included studies (100 of 102 studies) were of satisfactory to high quality (Newcastle-Ottawa scale score ≥ 4). Among patients with AA, comorbidities with the highest odds ratios (OR) compared with healthy controls and data available from more than one study included vitamin D deficiency (OR 10.13, 95% CI 4.24-24.20), systemic lupus erythematous (OR 5.53, 95% CI 3.31-9.23), vitiligo (OR 5.30, 95% CI 1.86-15.10), metabolic syndrome (OR 5.03, 95% CI 4.18-6.06), and Hashimoto's thyroiditis (OR 4.31, 95% CI 2.51-7.40). AA may be a protective factor for certain disorders, for which the AA group had lower odds compared with healthy controls, such as irritable bowel syndrome (OR 0.38, 95% CI 0.14-0.99) and colorectal cancer (OR 0.61, 95% CI 0.42-0.89). CONCLUSION These findings corroborate and contextualize the risks across comorbidities for patients with AA. Further work should be done to identify the underlying pathophysiology and understand appropriate screening criteria.
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Affiliation(s)
- Sophia Ly
- College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
| | - Priya Manjaly
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- Boston University School of Medicine, Boston, MA, USA
| | - Kanika Kamal
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- Harvard Medical School, Boston, MA, USA
| | - Ali Shields
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- Drexel University College of Medicine, Philadelphia, PA, USA
| | - Bruna Wafae
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- Harvard Medical School, Boston, MA, USA
| | - Najiba Afzal
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- University of California, Davis School of Medicine, Sacramento, CA, USA
| | - Lara Drake
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- Tufts University School of Medicine, Boston, MA, USA
| | - Katherine Sanchez
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- Lake Erie College of Osteopathic Medicine, Erie, PA, USA
| | - Samantha Gregoire
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
- University at Buffalo Jacobs School of Medicine, Buffalo, NY, USA
| | - Guohai Zhou
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA
| | - Carol Mita
- Countway Library of Medicine, Harvard University, Boston, MA, USA
| | - Arash Mostaghimi
- Department of Dermatology, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA, 02115, USA.
- Harvard Medical School, Boston, MA, USA.
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26
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Wang CW, Wu MY, Chen CB, Lin WC, Wu J, Lu CW, Chen WT, Wang FY, Hui RCY, Chi MH, Chiu TM, Chang YC, Lin JY, Lin YYW, Tsai WT, Hung SI, Chung WH. Clinical characteristics and immune profiles of patients with immune-mediated alopecia associated with COVID-19 vaccinations. Clin Immunol 2023; 255:109737. [PMID: 37586672 DOI: 10.1016/j.clim.2023.109737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 07/14/2023] [Accepted: 08/11/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND The clinical characteristics and pathomechanism for immune-mediated alopecia following COVID-19 vaccinations are not clearly characterized. OBJECTIVE We investigated the causality and immune mechanism of COVID-19 vaccines-related alopecia areata (AA). STUDY DESIGN 27 new-onset of AA patients after COVID-19 vaccinations and 106 vaccines-tolerant individuals were enrolled from multiple medical centers for analysis. RESULTS The antinuclear antibody, total IgE, granulysin, and PARC/CCL18 as well as peripheral eosinophil count were significantly elevated in the patients with COVID-19 vaccines-related AA compared with those in the tolerant individuals (P = 2.03 × 10-5-0.039). In vitro lymphocyte activation test revealed that granulysin, granzyme B, and IFN-γ released from the T cells of COVID-19 vaccines-related AA patients could be significantly increased by COVID-19 vaccine excipients (polyethylene glycol 2000 and polysorbate 80) or spike protein (P = 0.002-0.04). CONCLUSIONS Spike protein and excipients of COVID-19 vaccines could trigger T cell-mediated cytotoxicity, which contributes to the pathogenesis of immune-mediated alopecia associated with COVID-19 vaccines.
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Affiliation(s)
- Chuang-Wei Wang
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; Cancer Vaccine and Immune Cell Therapy Core Laboratory, Department of Medical Research, Chang Gung Memorial Hospital, Linkou, Taiwan; Chang Gung Immunology Consortium, Chang Gung Memorial Hospital and Chang Gung University, Taiwan; Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China
| | - Ming-Ying Wu
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chun-Bing Chen
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; Chang Gung Immunology Consortium, Chang Gung Memorial Hospital and Chang Gung University, Taiwan; Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Immune-Oncology Center of Excellence, Chang Gung Memorial Hospital, Linkou, Taiwan; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Whole-Genome Research Core Laboratory of Human Diseases, Chang Gung Memorial Hospital, Keelung, Taiwan; School of Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Wei-Chen Lin
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Jennifer Wu
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Immune-Oncology Center of Excellence, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chun-Wei Lu
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Immune-Oncology Center of Excellence, Chang Gung Memorial Hospital, Linkou, Taiwan; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wei-Ti Chen
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Fang-Ying Wang
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Biomedical Engineering, College of Medicine, College of Engineering, National Taiwan University, Taiwan
| | - Rosaline Chung-Yee Hui
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Min-Hui Chi
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Graduate Institute of Molecular Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Tsu-Man Chiu
- Department of Dermatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Ya-Ching Chang
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Jing Yi Lin
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yang Yu-Wei Lin
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan
| | - Wan-Ting Tsai
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan
| | - Shuen-Iu Hung
- Cancer Vaccine and Immune Cell Therapy Core Laboratory, Department of Medical Research, Chang Gung Memorial Hospital, Linkou, Taiwan; Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
| | - Wen-Hung Chung
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Tucheng and Keelung, Taiwan; Cancer Vaccine and Immune Cell Therapy Core Laboratory, Department of Medical Research, Chang Gung Memorial Hospital, Linkou, Taiwan; Chang Gung Immunology Consortium, Chang Gung Memorial Hospital and Chang Gung University, Taiwan; Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Immune-Oncology Center of Excellence, Chang Gung Memorial Hospital, Linkou, Taiwan; Whole-Genome Research Core Laboratory of Human Diseases, Chang Gung Memorial Hospital, Keelung, Taiwan; Allergology Consortium, Xiamen Chang Gung Hospital, Xiamen, China; Department of Dermatology, Beijing Tsinghua Chang Gung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China; Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Genomic Medicine Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan.
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27
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Englander H, Paiewonsky B, Castelo-Soccio L. Alopecia Areata: A Review of the Genetic Variants and Immunodeficiency Disorders Associated with Alopecia Areata. Skin Appendage Disord 2023; 9:325-332. [PMID: 37900769 PMCID: PMC10601931 DOI: 10.1159/000530432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 03/23/2023] [Indexed: 10/31/2023] Open
Abstract
Alopecia areata (AA) is an autoimmune form of non-scarring hair loss that occurs on a spectrum from patchy loss of hair on the scalp, to complete hair loss. Histology features can vary, but increased abundance of telogen hair and miniaturized hair follicles are classic hallmarks [Clin Cosmet Investig Dermatol. 2015;8:397-403]. Additionally, lymphocytic infiltration of the hair bulb is a commonly observed histology feature of AA which underscores how the disease is an autoimmune-mediated one that results from immune-mediated attack of the hair follicle. In a healthy individual, the hair follicle is one of the body's immune-privileged sites, but the breakdown of this immune privilege is thought to be an important driver in AA disease development. Diagnosis of AA is usually based on phenotypic manifestations in conjunction with biopsies which can help conclude whether the hair loss is autoimmune based. However, varied manifestation of disease both clinically and histologically makes diagnosis criteria more ambiguous and early identification of disease harder to achieve. A better understanding of genes that are associated with increased AA risk may help elucidate potential gene targets for future therapeutics.
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Affiliation(s)
- Hanna Englander
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, USA
| | - Briana Paiewonsky
- Charles E Schmidt College of Medicine at Florida Atlantic University, Boca Raton, FL, USA
| | - Leslie Castelo-Soccio
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, USA
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28
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Dainichi T, Iwata M. Inflammatory loops in the epithelial-immune microenvironment of the skin and skin appendages in chronic inflammatory diseases. Front Immunol 2023; 14:1274270. [PMID: 37841246 PMCID: PMC10568311 DOI: 10.3389/fimmu.2023.1274270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023] Open
Abstract
The epithelial-immune microenvironment (EIME) of epithelial tissues has five common elements: (1) microbial flora, (2) barrier, (3) epithelial cells, (4) immune cells, and (5) peripheral nerve endings. EIME provides both constant defense and situation-specific protective responses through three-layered mechanisms comprising barriers, innate immunity, and acquired immunity. The skin is one of the largest organs in the host defense system. The interactions between the five EIME elements of the skin protect against external dangers from the environment. This dysregulation can result in the generation of inflammatory loops in chronic inflammatory skin diseases. Here, we propose an understanding of EIME in chronic skin diseases, such as atopic dermatitis, psoriasis, systemic lupus erythematosus, alopecia areata, and acne vulgaris. We discuss the current treatment strategies targeting their inflammatory loops and propose possible therapeutic targets in the future.
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Affiliation(s)
- Teruki Dainichi
- Department of Dermatology, Kagawa University Faculty of Medicine, Kagawa, Japan
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29
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Faria S, Freitas E, Torres T. Efficacy and safety of baricitinib in patients with alopecia areata: evidence to date. Drugs Context 2023; 12:2023-6-2. [PMID: 37781168 PMCID: PMC10537548 DOI: 10.7573/dic.2023-6-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 08/25/2023] [Indexed: 10/03/2023] Open
Abstract
Alopecia areata (AA) is a chronic, tissue-specific autoimmune disorder, characterized by non-scaring hair loss, with a global prevalence of approximately 2%. Typically, it affects a young population, with initial onset frequently occurring before the age of 30 years. Even though the exact pathogenesis of AA remains unclear, the predominant hypothesis is the breakdown of immune privilege of the hair follicle, resulting in increased self-antigen and major histocompatibility complex expression in the follicular epithelium. The relapsing nature of the disease negatively impacts patients' quality of life and makes them more susceptible to developing psychiatric comorbidities. Although many treatment modalities have been proposed, there are no currently available treatments able to induce and sustain disease remission. Traditional treatment modalities, despite being widely used, present limited results and a high risk of adverse effects. Hence, there exists an unfulfilled requirement for treatments that are both more efficient and safer. The latest understanding of the pathophysiology of AA and its connection to the JAK-STAT pathway has prompted the advancement of JAK inhibitors. These small-molecule agents function by obstructing the JAK-STAT intracellular signalling pathway. Baricitinib an orally administered, selective JAK1 and JAK2 inhibitor is a promising alternative to the available treatments, and is already approved for the treatment of AA.
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Affiliation(s)
- Sofia Faria
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Egídio Freitas
- Department of Dermatology, Centro Hospitalar do Porto, Porto, Portugal
| | - Tiago Torres
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
- Department of Dermatology, Centro Hospitalar do Porto, Porto, Portugal
- Dermatology Research Unit, Centro Hospitalar do Porto, Porto, Portugal
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30
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Yang JS, Liu TY, Chen YC, Tsai SC, Chiu YJ, Liao CC, Tsai FJ. Genome-Wide Association Study of Alopecia Areata in Taiwan: The Conflict Between Individuals and Hair Follicles. Clin Cosmet Investig Dermatol 2023; 16:2597-2612. [PMID: 37752970 PMCID: PMC10519225 DOI: 10.2147/ccid.s428788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/14/2023] [Indexed: 09/28/2023]
Abstract
Purpose Alopecia areata (AA) is one of the most prevalent autoimmune diseases affecting humans. Given that hair follicles are immune-privileged, autoimmunity can result in disfiguring hair loss. However, the genetic basis for AA in the Taiwanese population remains unknown. Materials and Methods A genome-wide association study was conducted using a cohort of 408 AA cases and 8167 controls. To link variants to gene relationships, we used 882 SNPs (P<1E-05) within 74 genes that were associated with AA group to build the biological networks by IPA software. HLA diplotypes and haplotypes were analyzed using Attribute Bagging (HIBAG)-R package and chi-square analysis. Results Seven single nucleotide polymorphisms (SNPs) including LINC02006 (rs531166736, rs187306735), APC (rs112800832_C_CAT), SRP19 (rs139948960, rs144784670), EGFLAM (rs16903975) and LDLRAD3 (rs79874564) were closely associated with the AA phenotype (P<5E-08). Examination of biological networks revealed that these genomic areas are associated with antigen presentation signaling, B cell and T cell development, Th1 and Th2 activation pathways, Notch signaling, crosstalk signaling between dendritic cells and natural killer cells, and phagosome maturation. Based on human leukocyte antigen (HLA) genotype analysis, four HLA genotypes (HLA-B*15:01-*40:01, HLA-DQA1*01:02-*03:03, HLA-DQA1*01:02, and HLA-DQB1*02:01) were found to be associated with AA (adjusted p-value<0.05). HLA-DQA1*01:02 is the most significantly related gene in the Taiwanese population (adjusted p-value = 2.09E-05). Conclusion This study successfully identified susceptibility loci associated with AA in the Taiwanese population. These findings not only shed light on the origins of AA within the Taiwanese context but also contribute to a comprehensive understanding of the genetic factors influencing AA susceptibility.
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Affiliation(s)
- Jai-Sing Yang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, 404327, Taiwan
| | - Ting-Yuan Liu
- Million-Person Precision Medicine Initiative, Department of Medical Research, China Medical University Hospital, Taichung, 404327, Taiwan
| | - Yu-Chia Chen
- Million-Person Precision Medicine Initiative, Department of Medical Research, China Medical University Hospital, Taichung, 404327, Taiwan
| | - Shih-Chang Tsai
- Department of Biological Science and Technology, China Medical University, Taichung, 406040, Taiwan
| | - Yu-Jen Chiu
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, 112201, Taiwan
- Department of Surgery, School of Medicine, National Yang Ming Chiao Tung University, Taipei, 112304, Taiwan
| | - Chi-Chou Liao
- Million-Person Precision Medicine Initiative, Department of Medical Research, China Medical University Hospital, Taichung, 404327, Taiwan
| | - Fuu-Jen Tsai
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, 404333, Taiwan
- China Medical University Children’s Hospital, Taichung, 404327, Taiwan
- Department of Medical Genetics, China Medical University Hospital, Taichung, 404327, Taiwan
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31
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Deng L, Wan L, Liao T, Wang L, Wang J, Wu X, Shi J. Recent progress on tyrosine kinase 2 JH2 inhibitors. Int Immunopharmacol 2023; 121:110434. [PMID: 37315371 DOI: 10.1016/j.intimp.2023.110434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/25/2023] [Accepted: 05/30/2023] [Indexed: 06/16/2023]
Abstract
Tyrosine kinase 2 (TYK2) is a member of the Janus kinase (JAK) family, which can regulate the signaling of multiple pro-inflammatory cytokines, including IL12, IL23 and type I interferon (IFNα/β), and its inhibitors can treat autoimmune diseases caused by the abnormal expression of IL12 and IL23. Interest in TYK2 JH2 inhibitors has increased as a result of safety concerns with JAK inhibitors. This overview introduces TYK2 JH2 inhibitors that are already on the market, including Deucravactinib (BMS-986165), as well as those currently in clinical trials, such as BMS-986202, NDI-034858, and ESK-001.
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Affiliation(s)
- Lidan Deng
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu, Sichuan 610041, China
| | - Li Wan
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu, Sichuan 610041, China
| | - Tingting Liao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Lin Wang
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China
| | - Jie Wang
- Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550002, China
| | - Xianbo Wu
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu, Sichuan 610041, China.
| | - Jianyou Shi
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China; State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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32
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Sun R, Kong D. Bilateral Association Between Atopic Dermatitis and Alopecia Areata: A Systematic Review and Meta-Analysis. Dermatitis 2023. [PMID: 37471232 DOI: 10.1089/derm.2023.0114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
This systematic review and meta-analysis aimed to explore the association between atopic dermatitis (AD) and alopecia areata (AA). A comprehensive search was conducted in PubMed, Embase, Cochrane, and Web of Science from the inception of each database to November 10, 2022 for relevant studies. As there is a potential bilateral association between the 2 diseases, we assessed the prevalence/incidence of AA in patients with AD and the prevalence/incidence of AD in patients with AA. A total of 29 studies involving 11,233,448 participants were included in this analysis. AA was the exposure factor in 23 studies, AD in 7 studies, and both in 1 study. The meta-analysis revealed that the prevalence of AD was 11.2% (7.7%-15.1%) in patients with AA, and the prevalence of AA was 3.2% (95% confidence interval [CI]: 0.0%-11.5%) in patients with AD. The incidence of AD in AA patients was found to vary with age (P = 0.07). Based on 7 studies, there was a significant association between AD and AA when AA was the exposure factor [odds ratio, OR, = 4.537 (95% CI: 2.409-8.544)]; based on 10 studies, there was also a significant association between AD and AA when AD was the exposure factor [OR = 2.643 (95% CI: 1.737-3.995)]. In conclusion, this meta-analysis demonstrated the 2-way association between AD and AA, providing a clinical reference for disease prevention and control.
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Affiliation(s)
- Rong Sun
- From the The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Deqi Kong
- Epidemic Prevention Department, Center for Disease Control and Prevention of Wuzhong District, Suzhou, China
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33
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Pehlivan G, Ekinci AP, Sarı ŞÖ. A puzzling Presentation of Alopecia Areata: Sudden-Onset Whitening of Hair and its Spontaneous Resolution. Int J Trichology 2023; 15:157-159. [PMID: 38765728 PMCID: PMC11098139 DOI: 10.4103/ijt.ijt_6_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 06/28/2022] [Accepted: 08/31/2022] [Indexed: 05/22/2024] Open
Abstract
A 39-year-old male presented with the complaint of sudden onset and progressive whitening of the scalp hair. The patient documented the situation by regularly taking selfies starting from the moment he noticed that his hair was starting to turn white. A diagnosis of alopecia areata involving pigmented hair was made with clinical, dermoscopic, histopathological, and immunofluorescence findings. Total regrowth of the pigmented hair was observed at 6 months follow-up without any systemic treatment.
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Affiliation(s)
- Gizem Pehlivan
- Department of Dermatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Algün Polat Ekinci
- Department of Dermatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Şule Öztürk Sarı
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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34
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Lee JY, Ju HJ, Han JH, Lee JH, Bae JM, Lee WS, Lee S. Autoimmune, Inflammatory, Atopic, Thyroid, and Psychiatric Outcomes of Offspring Born to Mothers With Alopecia Areata. JAMA Dermatol 2023; 159:711-719. [PMID: 37223925 PMCID: PMC10209830 DOI: 10.1001/jamadermatol.2023.1261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 03/30/2023] [Indexed: 05/25/2023]
Abstract
Importance Alopecia areata (AA) is associated with diverse autoimmune and psychiatric disorders. However, an investigation on the long-term outcomes for offspring born to mothers diagnosed with AA is lacking. Objective To investigate the risks for autoimmune, inflammatory, atopic, thyroid, and psychiatric outcomes of offspring born to mothers with AA. Design, Setting, and Participants This retrospective population-based birth cohort study used the linked birth registration database with the Nationwide Health Insurance Service database of Korea. The participants included all newborns born to mothers with 3 or more visits with International Classification of Diseases, Tenth Revision code of L63 and 1:10 birth year, sex, insurance, income, and location of residence-matched control offspring born to mothers without AA during the years from 2003 to 2015. The analysis was conducted from July 2022 to January 2023. Exposure Maternal AA. Main Outcomes and Measures The occurrence of the following diseases was measured in newborns from birth to December 31, 2020: AA, alopecia totalis/universalis (AT/AU), vitiligo, psoriasis, inflammatory bowel disease, rheumatoid arthritis, atopic dermatitis, allergic rhinitis, asthma, hyperthyroidism, hypothyroidism, Graves disease, Hashimoto thyroiditis, attention-deficit hyperactivity disorder, mood disorder, and anxiety disorder. Multivariable Cox proportional hazard analyses were performed with the following covariates: birth year, age, insurance type, income level, location of residence, maternal age, mode of delivery, maternal history of atopic disorders, and autoimmune disorders. Results In total, 67 364 offspring born to 46 352 mothers with AA and 673 640 controls born to 454 085 unaffected mothers were analyzed. The risk of AA (adjusted hazard ratio [aHR], 2.08; 95% CI, 1.88-2.30), AT/AU (aHR, 1.57; 95% CI, 1.18-2.08), vitiligo (aHR, 1.47; 95% CI, 1.32-1.63), atopic disorders (aHR, 1.07; 95% CI, 1.06-1.09), hypothyroidism (aHR, 1.14; 95% CI, 1.03-1.25), and psychiatric disorders (aHR, 1.15; 95% CI, 1.11-1.20) was significantly increased in offspring born to mothers with AA. Among them, 5088 born to mothers with AT/AU were at much greater risk for the development of AT/AU (aHR, 2.98; 95% CI, 1.48-6.00) and psychiatric disorders (aHR, 1.27; 95% CI, 1.12-1.44). Conclusions and Relevance In this Korean retrospective population-based birth cohort study, maternal AA was associated with the development of autoimmune/inflammatory, atopic, thyroid, and psychiatric disorders in their offspring. Clinicians and parents need to be aware of the potential for these comorbidities to occur.
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Affiliation(s)
- Ju Yeong Lee
- Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Hyun Jeong Ju
- Department of Dermatology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Ju Hee Han
- Department of Dermatology, Seoul St Mary's Hospital College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ji Hae Lee
- Department of Dermatology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Jung Min Bae
- Department of Dermatology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Won-Soo Lee
- Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Solam Lee
- Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea
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Flora A, Kozera E, Frew JW. Treatment of alopecia areata with the janus kinase inhibitor upadacitinib: A retrospective cohort study. J Am Acad Dermatol 2023; 89:137-138. [PMID: 36806643 DOI: 10.1016/j.jaad.2022.12.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/19/2022] [Accepted: 12/25/2022] [Indexed: 02/17/2023]
Affiliation(s)
- Akshay Flora
- Department of Dermatology, Liverpool Hospital, Sydney, Australia; Laboratory of Translational Cutaneous Medicine, Ingham Institute, Sydney, Australia; School of Clinical Medicine, University of New South Wales, Sydney, Australia
| | - Emily Kozera
- Department of Dermatology, Liverpool Hospital, Sydney, Australia; Laboratory of Translational Cutaneous Medicine, Ingham Institute, Sydney, Australia
| | - John W Frew
- Department of Dermatology, Liverpool Hospital, Sydney, Australia; Laboratory of Translational Cutaneous Medicine, Ingham Institute, Sydney, Australia; School of Clinical Medicine, University of New South Wales, Sydney, Australia.
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Ho CY, Wu CY, Chen JYF, Wu CY. Clinical and Genetic Aspects of Alopecia Areata: A Cutting Edge Review. Genes (Basel) 2023; 14:1362. [PMID: 37510267 PMCID: PMC10379312 DOI: 10.3390/genes14071362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 07/30/2023] Open
Abstract
Alopecia areata (AA) is a chronic, non-scarring, immune-mediated skin disease that affects approximately 0.5-2% of the global population. The etiology of AA is complex and involves genetic and environmental factors, with significant advancements in genetic research occurring in recent years. In addition to well-known genes such as PTPN22, CTLA4, and IL2, which have been widely supported as being associated with AA, an increasing number of specific gene-related loci have been discovered through advances in genetic research. For instance, gene analysis of microRNAs can reveal the critical role of miRNAs in regulating gene expression, aiding in the understanding of cellular and organismal functional regulatory mechanisms. Furthermore, numerous studies have confirmed the existence of correlations between AA and other immune-related diseases. Examples include hyperthyroidism and rheumatoid arthritis. By understanding the interrelationships between AA and other immune diseases, we can further comprehend potential shared genetic foundations or pathogenic mechanisms among different diseases. Genetic research plays a crucial role in unraveling the pathogenesis of AA, as the identification of genetic variations associated with AA can assist in formulating more effective and targeted treatment strategies.
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Affiliation(s)
- Chih-Yi Ho
- Department of Dermatology, College of Medicine and Post Baccalaureat Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 801, Taiwan
| | - Chiu-Yen Wu
- Department of Cosmetic Science, Chang Gung University of Science and Technology, Taoyuan 333, Taiwan
| | - Jeff Yi-Fu Chen
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ching-Ying Wu
- Department of Dermatology, College of Medicine and Post Baccalaureat Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 801, Taiwan
- Department of Cosmetic Science, Chang Gung University of Science and Technology, Taoyuan 333, Taiwan
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Ma YQ, Sun Z, Li YM, Xu H. Oxidative stress and alopecia areata. Front Med (Lausanne) 2023; 10:1181572. [PMID: 37396920 PMCID: PMC10311488 DOI: 10.3389/fmed.2023.1181572] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/31/2023] [Indexed: 07/04/2023] Open
Abstract
Alopecia areata (AA) is an inflammatory autoimmune disease characterized by non-scarring hair loss on the scalp or any other part of the hair-bearing skin. While the collapse of the immune privilege is considered as one of the most accepted theories accounting for AA, the exact pathogenesis of this disease remains unclear by now. Other factors, such as genetic predisposition, allergies, microbiota, and psychological stress, also play an important role in the occurrence and development of AA. Oxidative stress (OS), an unbalance between the oxidation and antioxidant defense systems, is believed to be associated with AA and may trigger the collapse of hair follicle-immune privilege. In this review, we examine the evidence of oxidative stress in AA patients, as well as the relationship between the pathogenesis of AA and OS. In the future, antioxidants may play a new role as a supplementary therapy for AA.
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Affiliation(s)
| | | | | | - Hui Xu
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
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Xiong J, Chen G, Liu Z, Wu X, Xu S, Xiong J, Ji S, Wu M. Construction of regulatory network for alopecia areata progression and identification of immune monitoring genes based on multiple machine-learning algorithms. PRECISION CLINICAL MEDICINE 2023; 6:pbad009. [PMID: 37333624 PMCID: PMC10268596 DOI: 10.1093/pcmedi/pbad009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 05/17/2023] [Indexed: 06/20/2023] Open
Abstract
Objectives Alopecia areata (AA) is an autoimmune-related non-cicatricial alopecia, with complete alopecia (AT) or generalized alopecia (AU) as severe forms of AA. However, there are limitations in early identification of AA, and intervention of AA patients who may progress to severe AA will help to improve the incidence rate and prognosis of severe AA. Methods We obtained two AA-related datasets from the gene expression omnibus database, identified the differentially expressed genes (DEGs), and identified the module genes most related to severe AA through weighted gene co-expression network analysis. Functional enrichment analysis, construction of a protein-protein interaction network and competing endogenous RNA network, and immune cell infiltration analysis were performed to clarify the underlying biological mechanisms of severe AA. Subsequently, pivotal immune monitoring genes (IMGs) were screened through multiple machine-learning algorithms, and the diagnostic effectiveness of the pivotal IMGs was validated by receiver operating characteristic. Results A total of 150 severe AA-related DEGs were identified; the upregulated DEGs were mainly enriched in immune response, while the downregulated DEGs were mainly enriched in pathways related to hair cycle and skin development. Four IMGs (LGR5, SHISA2, HOXC13, and S100A3) with good diagnostic efficiency were obtained. As an important gene of hair follicle stem cells stemness, we verified in vivo that LGR5 downregulation may be an important link leading to severe AA. Conclusion Our findings provide a comprehensive understanding of the pathogenesis and underlying biological processes in patients with AA, and identification of four potential IMGs, which is helpful for the early diagnosis of severe AA.
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Affiliation(s)
| | | | | | - Xuemei Wu
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Sha Xu
- Institute of Translational Medicine, Naval Military Medical University, Shanghai 200433, China
| | - Jun Xiong
- Department of Histology and Embryology, Naval Military Medical University, Shanghai 200433, China
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Touil H, Mounts K, De Jager PL. Differential impact of environmental factors on systemic and localized autoimmunity. Front Immunol 2023; 14:1147447. [PMID: 37283765 PMCID: PMC10239830 DOI: 10.3389/fimmu.2023.1147447] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 05/08/2023] [Indexed: 06/08/2023] Open
Abstract
The influence of environmental factors on the development of autoimmune disease is being broadly investigated to better understand the multifactorial nature of autoimmune pathogenesis and to identify potential areas of intervention. Areas of particular interest include the influence of lifestyle, nutrition, and vitamin deficiencies on autoimmunity and chronic inflammation. In this review, we discuss how particular lifestyles and dietary patterns may contribute to or modulate autoimmunity. We explored this concept through a spectrum of several autoimmune diseases including Multiple Sclerosis (MS), Systemic Lupus Erythematosus (SLE) and Alopecia Areata (AA) affecting the central nervous system, whole body, and the hair follicles, respectively. A clear commonality between the autoimmune conditions of interest here is low Vitamin D, a well-researched hormone in the context of autoimmunity with pleiotropic immunomodulatory and anti-inflammatory effects. While low levels are often correlated with disease activity and progression in MS and AA, the relationship is less clear in SLE. Despite strong associations with autoimmunity, we lack conclusive evidence which elucidates its role in contributing to pathogenesis or simply as a result of chronic inflammation. In a similar vein, other vitamins impacting the development and course of these diseases are explored in this review, and overall diet and lifestyle. Recent work exploring the effects of dietary interventions on MS showed that a balanced diet was linked to improvement in clinical parameters, comorbid conditions, and overall quality of life for patients. In patients with MS, SLE and AA, certain diets and supplements are linked to lower incidence and improved symptoms. Conversely, obesity during adolescence was linked with higher incidence of MS while in SLE it was associated with organ damage. Autoimmunity is thought to emerge from the complex interplay between environmental factors and genetic background. Although the scope of this review focuses on environmental factors, it is imperative to elaborate the interaction between genetic susceptibility and environment due to the multifactorial origin of these disease. Here, we offer a comprehensive review about the influence of recent environmental and lifestyle factors on these autoimmune diseases and potential translation into therapeutic interventions.
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Affiliation(s)
- Hanane Touil
- Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
| | - Kristin Mounts
- Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
| | - Philip Lawrence De Jager
- Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
- Columbia Multiple Sclerosis Center, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
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Shakoei S, Mohammadnia E, Saedi B, Ghandi N, Khamisabadi S. Hearing impairment in patients with alopecia areata. Indian J Dermatol Venereol Leprol 2023; 0:1-5. [PMID: 37317742 DOI: 10.25259/ijdvl_416_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 12/09/2022] [Indexed: 06/16/2023]
Abstract
Background Alopecia areata is an autoimmune disease that damages hair follicles and follicular melanocytes can be involved in the autoimmune process. Therefore, similar to vitiligo, there may be a relationship between sensorineural hearing loss and alopecia areata. Aims/objectives This study aimed to investigate potential hearing impairments in patients with alopecia areata. Methods A total of 42 subjects with alopecia areata and 42 healthy individuals enrolled in this cross-sectional study. The hearing was evaluated by vestibular evoked myogenic potential, otoacoustic emission and pure tone audiometry tests in the patients and control subjects. Results A normal otoacoustic emission was reported in 59.5% and 100% of subjects with alopecia areata and the controls, respectively (P = 0.02). Higher speech recognition thresholds (P = 0.02) and speech discrimination scores were reported more in subjects with alopecia areata than in controls (P < 0.001); however, the most comfortable level of speech was not significantly different between the groups (P = 0.06). The greatest increase in the hearing threshold was recorded at a frequency of 8000 Hz, while at frequencies of 500 and 1000 Hz, the patients and controls did not significantly differ (P > 0.05). About 6 (14.3%) and 2 (4.8%) of patients with unilateral and bilateral involvement, respectively, demonstrated no vestibular evoked myogenic potential response in the alopecia areata group. The patients and controls did not significantly differ in terms of amplitudes of the vestibular evoked myogenic potential test (P = 0.097). Limitation Small sample size and qualitative measurement of otoacoustic emission were limitations of our study. Conclusion Hearing loss was more common in alopecia areata patients than in healthy individuals. Follicular melanocytes may be involved in the alopecia areata inflammatory process, and destroying melanocytes may impact hearing function in the inner ear. However, there was no significant relationship between the duration and severity of alopecia areata and hearing loss.
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Affiliation(s)
- Safoura Shakoei
- Department of Dermatology, Imam Khomeini Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Elahe Mohammadnia
- Department of Pathology, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Babak Saedi
- Department of Otolaryngology-Head and Neck Surgery, Otorhinolaryngology Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Narges Ghandi
- Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Saeedeh Khamisabadi
- Department of Audiology, Iran University of Medical Sciences (IUMS), Tehran, Iran
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Kinoshita-Ise M, Fukuyama M, Ohyama M. Recent Advances in Understanding of the Etiopathogenesis, Diagnosis, and Management of Hair Loss Diseases. J Clin Med 2023; 12:jcm12093259. [PMID: 37176700 PMCID: PMC10179687 DOI: 10.3390/jcm12093259] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/15/2023] Open
Abstract
Hair-loss diseases comprise heterogenous conditions with respective pathophysiology and clinicopathological characteristics. Major breakthroughs in hair follicle biology and immunology have led to the elucidation of etiopathogenesis of non-scarring alopecia (e.g., alopecia areata, AA) and cicatricial alopecia (e.g., lichen planopilaris, LPP). High-throughput genetic analyses revealed molecular mechanism underlying the disease susceptibility of hair loss conditions, such as androgenetic alopecia (AGA) and female pattern hair loss (FPHL). Hair loss attracted public interest during the COVID-19 pandemic. The knowledge of hair loss diseases is robustly expanding and thus requires timely updates. In this review, the diagnostic and measurement methodologies applied to hair loss diseases are updated. Of note, novel criteria and classification/scoring systems published in the last decade are reviewed, highlighting their advantages over conventional ones. Emerging diagnostic techniques are itemized with clinical pearls enabling efficient utilization. Recent advances in understanding the etiopathogenesis and management for representative hair diseases, namely AGA, FPHL, AA, and major primary cicatricial alopecia, including LPP, are comprehensively summarized, focusing on causative factors, genetic predisposition, new disease entity, and novel therapeutic options. Lastly, the association between COVID-19 and hair loss is discussed to delineate telogen effluvium as the predominating pathomechanism accounting for this sequela.
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Affiliation(s)
- Misaki Kinoshita-Ise
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo 181-8611, Japan
| | - Masahiro Fukuyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo 181-8611, Japan
| | - Manabu Ohyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo 181-8611, Japan
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Wang S, Zhao M, Yan Y, Li P, Huang W. Flexible Monitoring, Diagnosis, and Therapy by Microneedles with Versatile Materials and Devices toward Multifunction Scope. RESEARCH (WASHINGTON, D.C.) 2023; 6:0128. [PMID: 37223469 PMCID: PMC10202386 DOI: 10.34133/research.0128] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/02/2023] [Indexed: 05/25/2023]
Abstract
Microneedles (MNs) have drawn rising attention owing to their merits of convenience, noninvasiveness, flexible applicability, painless microchannels with boosted metabolism, and precisely tailored multifunction control. MNs can be modified to serve as novel transdermal drug delivery, which conventionally confront with the penetration barrier caused by skin stratum corneum. The micrometer-sized needles create channels through stratum corneum, enabling efficient drug delivery to the dermis for gratifying efficacy. Then, incorporating photosensitizer or photothermal agents into MNs can conduct photodynamic or photothermal therapy, respectively. Besides, health monitoring and medical detection by MN sensors can extract information from skin interstitial fluid and other biochemical/electronic signals. Here, this review discloses a novel monitoring, diagnostic, and therapeutic pattern by MNs, with elaborate discussion about the classified formation of MNs together with various applications and inherent mechanism. Hereby, multifunction development and outlook from biomedical/nanotechnology/photoelectric/devices/informatics to multidisciplinary applications are provided. Programmable intelligent MNs enable logic encoding of diverse monitoring and treatment pathways to extract signals, optimize the therapy efficacy, real-time monitoring, remote control, and drug screening, and take instant treatment.
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Affiliation(s)
| | | | - Yibo Yan
- Address correspondence to: (Y.Y.); (P.L.); (W.H.)
| | - Peng Li
- Address correspondence to: (Y.Y.); (P.L.); (W.H.)
| | - Wei Huang
- Address correspondence to: (Y.Y.); (P.L.); (W.H.)
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Ortiz-Ramírez A, Hernández-Jiménez MC, Guardiola-Avila IB, De Luna-Santillana EDJ, Oliva-Hernández AA, Altamirano-García ML, Juárez-Rendón KJ. HR Gene Variants Identified in Mexican Patients with Alopecia Areata. Curr Issues Mol Biol 2023; 45:2965-2971. [PMID: 37185718 PMCID: PMC10136600 DOI: 10.3390/cimb45040194] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/26/2023] [Accepted: 03/30/2023] [Indexed: 05/17/2023] Open
Abstract
Alopecia Areata (AA) is a multifactorial, dermatological disease characterized by non-scarring hair loss. Alterations in candidate genes, such as HR (Hairless), could represent a risk factor for its development. The aim of this study was to search for and analyze variants in exons 3, 15 and 17 of the HR gene in Mexican patients with AA. A total of 30 samples from both AA patients and healthy donors were analyzed in this study. Exons were amplified and sequenced using the Sanger method. Descriptive statistics and χ2 tests were used in the analysis of clinical-demographic characteristics and the comparison of allelic/genotypical frequencies between groups, respectively. The effect on protein function for the non-synonymous variants was determined with three bioinformatics servers. Three gene variants were identified in the HR gene of the evaluated patients. The benign polymorphism c.1010G > A p.(Gly337Asp) (rs12675375) had been previously reported, whereas the variants c.750G > A p.(Gln250Gln) and c.3215T > A (Val1072AGlu) have not been described in other world populations. Both non-synonymous variants proved to be significant (p ≤ 0.05). The variant c.3215T > A p.(Val1072Glu) is of particular interest due to its deleterious effect on the structure and function of the protein; therefore, it could be considered a risk factor for the development of AA.
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Affiliation(s)
- Andrés Ortiz-Ramírez
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Blvd. del Maestro s/n. Esq. Elías Piña, Col. Narciso Mendoza, Reynosa 88710, Mexico
- Unidad Académica Multidisciplinaria Reynosa Aztlán, Universidad Autónoma de Tamaulipas, Calle 16 s/n y Lago de Chapala, Col. Aztlán, Reynosa 88740, Mexico
| | - María Cristina Hernández-Jiménez
- Unidad Académica Multidisciplinaria Reynosa Aztlán, Universidad Autónoma de Tamaulipas, Calle 16 s/n y Lago de Chapala, Col. Aztlán, Reynosa 88740, Mexico
| | - Iliana Berenice Guardiola-Avila
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley (UTRGV), 5300 L. St., McAllen, TX 78504, USA
| | - Erick de Jesús De Luna-Santillana
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Blvd. del Maestro s/n. Esq. Elías Piña, Col. Narciso Mendoza, Reynosa 88710, Mexico
| | - Amanda Alejandra Oliva-Hernández
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Blvd. del Maestro s/n. Esq. Elías Piña, Col. Narciso Mendoza, Reynosa 88710, Mexico
| | | | - Karina Janett Juárez-Rendón
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Blvd. del Maestro s/n. Esq. Elías Piña, Col. Narciso Mendoza, Reynosa 88710, Mexico
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Alotaibi MA, Altaymani A, Al-Omair A, Alghamdi W. Viral-Induced Rapidly Progressive Alopecia Universalis: A Case Report and Literature Review. Cureus 2023; 15:e37406. [PMID: 37181982 PMCID: PMC10171925 DOI: 10.7759/cureus.37406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2023] [Indexed: 05/16/2023] Open
Abstract
Alopecia areata is a common autoimmune condition that causes a non-scarring form of hair loss. It is associated with several viruses and diseases. One of the viruses that have been linked to alopecia areata is the coronavirus disease of 2019 (COVID-19). It was found to cause the onset, aggravation, or recurrence of alopecia areata in previously infected patients. We report the case of a 20-year-old woman who was medically free and presented with the severe and progressive onset of alopecia areata after one month of contracting COVID-19. This study aimed to explore the literature on COVID-19-associated severe onset alopecia areata in terms of timeline and clinical presentation.
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Affiliation(s)
- Manar A Alotaibi
- Dermatology, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh, SAU
| | - Afrah Altaymani
- Dermatology, College of Medicine, Jouf University, Sakaka, SAU
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Wang LH, Ma SH, Tai YH, Dai YX, Chang YT, Chen TJ, Chen MH. Increased Risk of Suicide Attempt in Patients with Alopecia Areata: A Nationwide Population-Based Cohort Study. Dermatology 2023; 239:712-719. [PMID: 36921592 DOI: 10.1159/000530076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 02/28/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND There is growing evidence that patients with alopecia areata (AA) have an increased risk of developing psychiatric comorbidities. However, the relationship between AA and suicidal behaviors remains unclear. OBJECTIVE The objective of this study was to investigate the association between AA and suicidal behaviors. METHODS Participants were recruited from the National Health Insurance Research Database in Taiwan, including 10,515 patients with AA and 10,5150 matched controls, to assess the risk of suicide attempts. A Cox regression model was used for all analyses. RESULTS Compared with the controls, an increased risk of suicide attempts was observed in patients with AA, with an adjusted hazard ratio of 6.28 (95% confidence interval, 4.47-8.81). Suicide risk remained significantly elevated in AA patients when stratified by underlying psychiatric disorders. The mean age of initial suicidal behaviors was also lower in patients with AA. CONCLUSIONS Patients with AA had a significantly higher incidence of suicidal attempts than controls, regardless of concurrent psychiatric illness. Further studies are needed to elucidate the pathophysiology of the association between AA and suicidality. In addition, dermatologists should be aware of the increased suicidality of patients with AA.
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Affiliation(s)
- Li-Hsin Wang
- Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Sheng-Hsiang Ma
- Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ying-Hsuan Tai
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Anesthesiology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ying-Xiu Dai
- Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yun-Ting Chang
- Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Tzeng-Ji Chen
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Mu-Hong Chen
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan
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46
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Herzum A, Viglizzo G, Gariazzo L, Garibeh E, Occella C. Pediatric alopecia areata following COVID-19 infection. J Cosmet Dermatol 2023; 22:734-736. [PMID: 36651224 DOI: 10.1111/jocd.15618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/03/2022] [Accepted: 12/21/2022] [Indexed: 01/19/2023]
Affiliation(s)
- Astrid Herzum
- Dermatology Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | | | - Lodovica Gariazzo
- Dermatology Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Ehab Garibeh
- Dermatology Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Corrado Occella
- Dermatology Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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Ali MS, Hafiz HSA, Ahmed NA, Galal SA. Combined microneedling with topical vitamin D3 or bimatoprost versus microneedling alone in the treatment of alopecia areata: A comparative randomized trial. J Cosmet Dermatol 2023; 22:1286-1296. [PMID: 36762396 DOI: 10.1111/jocd.15569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/15/2022] [Accepted: 12/05/2022] [Indexed: 02/11/2023]
Abstract
INTRODUCTION Alopecia areata (AA) is a challenging disease with variable treatment outcomes. Hair follicles express vitamin D receptors. Therefore, vitamin D3 may be promising for AA treatment through immunomodulatory mechanisms. The efficacy of bimatoprost in scalp AA treatment was reported by few studies. OBJECTIVE To evaluate the efficacy and safety of microneedling (MN) with topical vitamin D3 versus MN with bimatoprost in comparison with MN alone in the treatment of localized AA. PATIENTS AND METHODS Seventy-five patients with localized AA were divided into three groups. The first group: 25 patients were treated with MN alone. The second group: 25 patients treated with MN combined with topical vitamin D3. The third group: 25 patients treated with MN combined with bimatoprost solution. The response was evaluated clinically and dermoscopically. RESULTS At the end of the study, all groups showed a statistically significant decrease in the SALT score compared to the baseline. The clinical response (regrowth scale): vitamin D and bimatoprost groups showed a statistically significant higher regrowth scale compared to MN alone group (p-value = 0.000). After treatment, hair regrowth was significantly higher in MN combined with bimatoprost than in MN combined with topical vitamin D3. However, after 3 months of follow-up, there was no statistically significant difference between both groups. Side effects were mild and transient in all groups. CONCLUSION Topical vitamin D3 and bimatoprost combined with MN are safe and effective therapeutic options for localized AA.
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Affiliation(s)
- Mona S Ali
- Faculty of Medicine (Girls), Al- Azhar University, Cairo, Egypt
| | - Hala S A Hafiz
- Faculty of Medicine (Girls), Al- Azhar University, Cairo, Egypt
| | - Naglaa A Ahmed
- Faculty of Medicine (Girls), Al- Azhar University, Cairo, Egypt
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48
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Alopecia Areata: A Review of the Role of Oxidative Stress, Possible Biomarkers, and Potential Novel Therapeutic Approaches. Antioxidants (Basel) 2023; 12:antiox12010135. [PMID: 36670997 PMCID: PMC9854963 DOI: 10.3390/antiox12010135] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/09/2023] Open
Abstract
Alopecia areata (AA) is a dermatological condition characterized by non-scarring hair loss. Exact etiopathogenesis of AA is still unknown although it is known that several factors contribute to the collapse of the hair-follicle (HF)-immune-privileged (IP) site. Oxidative stress (OS) plays an important role in skin diseases. The aim of this review was to clarify the role of OS in AA pathogenesis and diagnosis, and to discuss potential treatment options. Oxidative-stress markers are altered in serum and skin samples of patients with AA, confirming a general pro-oxidative status in patients with AA. OS induces MHC class I chain-related A (MICA) expression in HF keratinocytes that activates the receptor NKG2D, expressed in NK cells and CD8+ T cytotoxic cells leading to destabilization of the HF immune-privileged site through the production of IFN-γ that stimulates JAK1 and JAK2 pathways. OS also activates the KEAP1-NRF2 pathway, an antioxidant system that contributes to skin homeostasis. In addition, a decrease of ATG5 and LC3B in the hair matrix and an increase in p62 levels indicates a reduction of intrafollicular autophagy during the evolution of AA. Potential biomarkers of OS in AA could be: malondialdehyde (MDA), advanced glycation end-products (AGEs), and ischemic-modified albumin (IMA). JAK inhibitors are the new frontier in treatment of AA and the use of nutraceuticals that modulate the OS balance, in combination with standard treatments, represent promising therapeutic tools.
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49
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Inflammatory ocular comorbidities in alopecia areata: A retrospective cohort study of a single academic center. J Am Acad Dermatol 2023; 88:221-223. [PMID: 35718192 DOI: 10.1016/j.jaad.2022.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/28/2022] [Accepted: 06/07/2022] [Indexed: 11/22/2022]
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50
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Gao W, Mostaghimi A, Gandhi K, Done N, Ray M, Signorovitch J, Swallow E, Carley C, Wang T, Sikirica V. Patient characteristics associated with all-cause healthcare costs of alopecia areata in the United States. J Med Econ 2023; 26:441-444. [PMID: 36896625 DOI: 10.1080/13696998.2023.2188843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Affiliation(s)
- Wei Gao
- Health Economics and Outcomes Research, Analysis Group, Inc., Boston, MA, USA
| | | | - Kavita Gandhi
- Immunology & Inflamation, Pfizer Inc., Collegeville, PA, USA
| | - Nicolae Done
- Health Economics and Outcomes Research, Analysis Group, Inc., Boston, MA, USA
| | - Markqayne Ray
- Immunology & Inflamation, Pfizer Inc., Collegeville, PA, USA
| | - James Signorovitch
- Health Economics and Outcomes Research, Analysis Group, Inc., Boston, MA, USA
| | - Elyse Swallow
- Health Economics and Outcomes Research, Analysis Group, Inc., Boston, MA, USA
| | - Christopher Carley
- Health Economics and Outcomes Research, Analysis Group, Inc., Boston, MA, USA
| | - Travis Wang
- Health Economics and Outcomes Research, Analysis Group, Inc., Boston, MA, USA
| | - Vanja Sikirica
- Immunology & Inflamation, Pfizer Inc., Collegeville, PA, USA
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