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Deng G, Zhang Y, Song J, Zhang Y, Zheng Q, Luo Y, Fei X, Yang Y, Kuai L, Li B, Luo Y. The role and therapeutic strategies for tissue-resident memory T cells, central memory T cells, and effector memory T cells in psoriasis. Immunology 2024; 173:470-480. [PMID: 39136109 DOI: 10.1111/imm.13843] [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: 11/21/2023] [Accepted: 07/19/2024] [Indexed: 10/04/2024] Open
Abstract
Psoriasis is a skin disease that is inflammatory and persistent, causing a high rate of recurrence, poor quality of life, and significant socioeconomic burden. Its main pathological manifestations are abnormal activation and infiltration of T cells and excessive proliferation of keratinocytes (KCs). The great majority of patients with psoriasis will relapse after remission. It usually lasts a lifetime and necessitates long-term treatment strategies. During periods of activity and remission, one of the main cell types in psoriasis is memory T cells, which include tissue-resident memory T (TRM) cells, central memory T (TCM) cells, and effector memory T (TEM) cells. They work by releasing inflammatory factors, cytotoxic particles, or altering cell subpopulations, leading to increased inflammation or recurrence. This review summarizes the role of memory T cells in the pathology and treatment of psoriasis, with a view to potential novel therapies and therapeutic targets.
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Affiliation(s)
- Guoshu Deng
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yulin Zhang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiankun Song
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
| | - Ying Zhang
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
| | - Qi Zheng
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
| | - Yue Luo
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
| | - Xiaoya Fei
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
| | - Yang Yang
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
| | - Le Kuai
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Bin Li
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Ying Luo
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
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Mohammadi A, Forouzandegan M, Mahmoudi H, Teimourpour A, Balighi K, Daneshpazhooh M. Are sites of primary lesions in pemphigus vulgaris more prone to relapse? Oral Dis 2024; 30:3931-3934. [PMID: 38287487 DOI: 10.1111/odi.14872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/18/2023] [Accepted: 01/07/2024] [Indexed: 01/31/2024]
Affiliation(s)
- Ali Mohammadi
- Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Moojan Forouzandegan
- Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamidreza Mahmoudi
- Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Teimourpour
- Blood Transfusion Research Center, High Institute for Research and Education, Tehran, Iran
| | - Kamran Balighi
- Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Daneshpazhooh
- Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
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3
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Kong B, Lai Y. IL-17 family cytokines in inflammatory or autoimmune skin diseases. Adv Immunol 2024; 163:21-49. [PMID: 39271258 DOI: 10.1016/bs.ai.2024.07.002] [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: 09/15/2024]
Abstract
As potent pro-inflammatory mediators, IL-17 family cytokines play crucial roles in the pathogenesis of various inflammatory and autoimmune skin disorders. Although substantial progress has been achieved in understanding the pivotal role of IL-17A signaling in psoriasis, leading to the development of highly effective biologics, the functions of other IL-17 family members in inflammatory or autoimmune skin diseases remain less explored. In this review, we provide a comprehensive overview of IL-17 family cytokines and their receptors, with a particular focus on the recent advancements in identifying cellular sources, receptors and signaling pathways regulated by these cytokines. At the end, we discuss how the aberrant functions of IL-17 family cytokines contribute to the pathogenesis of diverse inflammatory or autoimmune skin diseases.
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Affiliation(s)
- Baida Kong
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, P.R. China; Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Yuping Lai
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, P.R. China; Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, School of Life Sciences, East China Normal University, Shanghai, P.R. China.
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Francis L, Capon F, Smith CH, Haniffa M, Mahil SK. Inflammatory memory in psoriasis: From remission to recurrence. J Allergy Clin Immunol 2024; 154:42-50. [PMID: 38761994 DOI: 10.1016/j.jaci.2024.05.008] [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: 02/09/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/20/2024]
Abstract
The routine use of targeted systemic immunomodulatory therapies has transformed outcomes for people with severe psoriasis, with skin clearance (clinical remission) rates up to 60% at 1 year of biologic treatment. However, psoriasis may recur following drug withdrawal, and as a result, patients tend to continue receiving costly treatment indefinitely. Here, we review research into the "inflammatory memory" in resolved psoriasis skin and the potential mechanisms leading to psoriasis recurrence following drug withdrawal. Research has implicated immune cells such as tissue resident memory T cells, Langerhans cells, and dermal dendritic cells, and there is growing interest in keratinocytes and fibroblasts. A better understanding of the interactions between these cell populations, enabled by single cell technologies, will help to elucidate the events underpinning the shift from remission to recurrence. This may inform the development of personalized strategies for sustaining remission while reducing long-term drug burden.
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Affiliation(s)
- Luc Francis
- St John's Institute of Dermatology, King's College London and Guy's & St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Francesca Capon
- Department of Medical and Molecular Genetics, King's College London, London, United Kingdom
| | - Catherine H Smith
- St John's Institute of Dermatology, King's College London and Guy's & St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Muzlifah Haniffa
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, United Kingdom; Biosciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom; Department of Dermatology and NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Satveer K Mahil
- St John's Institute of Dermatology, King's College London and Guy's & St Thomas' NHS Foundation Trust, London, United Kingdom.
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Lee YG, Jung Y, Choi HK, Lee JI, Lim TG, Lee J. Natural Product-Derived Compounds Targeting Keratinocytes and Molecular Pathways in Psoriasis Therapeutics. Int J Mol Sci 2024; 25:6068. [PMID: 38892253 PMCID: PMC11172960 DOI: 10.3390/ijms25116068] [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: 04/17/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Psoriasis is a chronic autoimmune inflammatory skin disorder that affects approximately 2-3% of the global population due to significant genetic predisposition. It is characterized by an uncontrolled growth and differentiation of keratinocytes, leading to the formation of scaly erythematous plaques. Psoriasis extends beyond dermatological manifestations to impact joints and nails and is often associated with systemic disorders. Although traditional treatments provide relief, their use is limited by potential side effects and the chronic nature of the disease. This review aims to discuss the therapeutic potential of keratinocyte-targeting natural products in psoriasis and highlight their efficacy and safety in comparison with conventional treatments. This review comprehensively examines psoriasis pathogenesis within keratinocytes and the various related signaling pathways (such as JAK-STAT and NF-κB) and cytokines. It presents molecular targets such as high-mobility group box-1 (HMGB1), dual-specificity phosphatase-1 (DUSP1), and the aryl hydrocarbon receptor (AhR) for treating psoriasis. It evaluates the ability of natural compounds such as luteolin, piperine, and glycyrrhizin to modulate psoriasis-related pathways. Finally, it offers insights into alternative and sustainable treatment options with fewer side effects.
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Affiliation(s)
- Yu Geon Lee
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.G.L.); (Y.J.); (H.-K.C.); (J.-I.L.)
| | - Younjung Jung
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.G.L.); (Y.J.); (H.-K.C.); (J.-I.L.)
| | - Hyo-Kyoung Choi
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.G.L.); (Y.J.); (H.-K.C.); (J.-I.L.)
| | - Jae-In Lee
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.G.L.); (Y.J.); (H.-K.C.); (J.-I.L.)
| | - Tae-Gyu Lim
- Department of Food Science & Biotechnology, College of Life Sciences, Sejong University, Seoul 05006, Republic of Korea;
- Carbohydrate Bioproduct Research Center, Department of Food Science & Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Jangho Lee
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.G.L.); (Y.J.); (H.-K.C.); (J.-I.L.)
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Wang X, Lai Y. Keratinocytes in the pathogenesis, phenotypic switch, and relapse of psoriasis. Eur J Immunol 2024; 54:e2250279. [PMID: 38356200 DOI: 10.1002/eji.202250279] [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: 06/30/2023] [Revised: 02/06/2024] [Accepted: 02/06/2024] [Indexed: 02/16/2024]
Abstract
Although biologics have achieved tremendous success in the treatment of psoriasis and revolutionized the clinical management of the disease, certain issues arise during treatments, including the phenotypic switch from psoriasis to other skin disorders and the recurrence of psoriasis after the cessation of biologic treatment. Here we provide a concise overview of the roles of keratinocytes in the pathogenesis of psoriasis, elucidate the involvement of keratinocytes in the phenotypic switch and relapse of psoriasis, and address the challenges encountered in both basic and clinical research on psoriasis.
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Affiliation(s)
- Xinxin Wang
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, P. R. China
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Yuping Lai
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, P. R. China
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, School of Life Sciences, East China Normal University, Shanghai, P. R. China
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Lee Y, Baek J, Park S, Kim Y, Hwang SW, Lee JL, Park SH, Kim J, Yang SK, Han B, Kweon MN, Song K, Yoon YS, Ye BD, Lee HS. Characterization of Th17 tissue-resident memory cells in non-inflamed intestinal tissue of Crohn's disease patients. J Autoimmun 2024; 145:103206. [PMID: 38554656 DOI: 10.1016/j.jaut.2024.103206] [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] [Revised: 02/28/2024] [Accepted: 03/18/2024] [Indexed: 04/02/2024]
Abstract
Crohn's disease (CD) is a chronic inflammatory disorder affecting the bowel wall. Tissue-resident memory T (Trm) cells are implicated in CD, yet their characteristics remain unclear. We aimed to investigate the transcriptional profiles and functional characteristics of Trm cells in the small bowel of CD and their interactions with immune cells. Seven patients with CD and four with ulcerative colitis as controls were included. Single-cell RNA sequencing and paired T cell receptor sequencing assessed T cell subsets and transcriptional signatures in lamina propria (LP) and submucosa/muscularis propria-enriched fractions (SM/MP) from small bowel tissue samples. We detected 58,123 T cells grouped into 16 populations, including the CD4+ Trm cells with a Th17 signature and CD8+ Trm clusters. In CD, CD4+ Trm cells with a Th17 signature, termed Th17 Trm, showed significantly increased proportions within both the LP and SM/MP areas. The Th17 Trm cluster demonstrated heightened expression of tissue-residency marker genes (ITGAE, ITGA1, and CXCR6) along with elevated levels of IL17A, IL22, CCR6, and CCL20. The clonal expansion of Th17 Trm cells in CD was accompanied by enhanced transmural dynamic potential, as indicated by significantly higher migration scores. CD-prominent Th17 Trm cells displayed an increased interferon gamma (IFNγ)-related signature possibly linked with STAT1 activation, inducing chemokines (i.e., CXCL10, CXCL8, and CXCL9) in myeloid cells. Our findings underscored the elevated Th17 Trm cells throughout the small bowel in CD, contributing to disease pathogenesis through IFNγ induction and subsequent chemokine production in myeloid cells.
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Affiliation(s)
- Yoonho Lee
- Department of Biochemistry and Molecular Biology, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jiwon Baek
- Department of Biochemistry and Molecular Biology, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sojung Park
- Department of Biochemistry and Molecular Biology, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea
| | - Yongjae Kim
- Department of Biochemistry and Molecular Biology, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sung Wook Hwang
- Department of Gastroenterology, Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jong Lyul Lee
- Division of Colon and Rectal Surgery, Department of Surgery, Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sang Hyoung Park
- Department of Gastroenterology, Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jihun Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Suk-Kyun Yang
- Department of Gastroenterology, Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Buhm Han
- Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
| | - Mi-Na Kweon
- Mucosal Immunology Laboratory, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea
| | - Kyuyoung Song
- Department of Biochemistry and Molecular Biology, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea
| | - Yong Sik Yoon
- Division of Colon and Rectal Surgery, Department of Surgery, Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
| | - Byong Duk Ye
- Department of Gastroenterology, Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
| | - Ho-Su Lee
- Department of Biochemistry and Molecular Biology, Asan Medical Center, Brain Korea 21 Project, University of Ulsan College of Medicine, Seoul, South Korea.
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Daccache JA, Naik S. Inflammatory Memory in Chronic Skin Disease. JID INNOVATIONS 2024; 4:100277. [PMID: 38708420 PMCID: PMC11068922 DOI: 10.1016/j.xjidi.2024.100277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/01/2024] [Accepted: 03/11/2024] [Indexed: 05/07/2024] Open
Abstract
Inflammation is a hallmark of remitting-relapsing dermatological diseases. Although a large emphasis has been placed on adaptive immune cells as mediators of relapse, evidence in epithelial and innate immune biology suggests that disease memory is widespread. In this study, we bring to the fore the concept of inflammatory memory or nonspecific training of long-lived cells in the skin, highlighting the epigenetic and other mechanisms that propagate memory at the cellular level. We place these findings in the context of psoriasis, a prototypic flaring disease known to have localized memory, and underscore the importance of targeting memory to limit disease flares.
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Affiliation(s)
| | - Shruti Naik
- Department of Pathology, NYU Langone Health, New York, New York, USA
- Ronald O. Perelman Department of Dermatology, NYU Langone Health, New York, New York, USA
- Department of Medicine, NYU Langone Health, New York, New York, USA
- Perlmutter Cancer Center, NYU Langone Health, New York, New York, USA
- Colton Center for Autoimmunity, NYU Langone Health, New York, New York, USA
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Benezeder T, Bordag N, Woltsche J, Teufelberger A, Perchthaler I, Weger W, Salmhofer W, Gruber-Wackernagel A, Painsi C, Zhan Q, El-Heliebi A, Babina M, Clark R, Wolf P. Mast cells express IL17A, IL17F and RORC, are activated and persist with IL-17 production in resolved skin of patients with chronic plaque-type psoriasis. RESEARCH SQUARE 2024:rs.3.rs-3958361. [PMID: 38410434 PMCID: PMC10896398 DOI: 10.21203/rs.3.rs-3958361/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Little is known about IL-17 expression in psoriasis and the actual cellular source of IL-17 remains incompletely defined. We show that high numbers of IL-17 + mast cells persisted in resolved lesions after treatment (anti-IL-17A, anti-IL-23, UVB or topical dithranol) and correlated inversely with the time span in remission. IL-17 + mast cells were found in T cell-rich areas and often close to resident memory T cells (Trm) in active psoriasis and resolved lesional skin. Digital cytometry by deconvolution of RNA-seq data showed that activated mast cells were increased in psoriatic skin, while resting mast cells were almost absent and both returned to normal levels after treatment. When primary human skin mast cells were stimulated with T cell cytokines (TNFα, IL-22 and IFNγ), they responded by releasing more IL-17A, as measured by ELISA. In situ mRNA detection using padlock probes specific for transcript variants of IL17A, IL17F, and RORC (encoding the Th17 transcription factor RORγt) revealed positive mRNA signals for IL17A, IL17F, and RORCin tryptase + cells, demonstrating that mast cells have the transcriptional machinery to actively produce IL-17. Mast cells thus belong to the center of the IL-23/IL-17 axis and high numbers of IL-17 + mast cells predict an earlier disease recurrence.
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Affiliation(s)
- Theresa Benezeder
- Department of Dermatology and Venereology, Medical University of Graz
| | - Natalie Bordag
- Department of Dermatology and Venereology, Medical University of Graz
| | - Johannes Woltsche
- Department of Dermatology and Venereology, Medical University of Graz
| | | | | | - Wolfgang Weger
- Department of Dermatology and Venereology, Medical University of Graz
| | | | | | | | - Qian Zhan
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School
| | - Amin El-Heliebi
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz
| | - Magda Babina
- Institute of Allergology, Charite-Universitatsmedizin Berlin
| | | | - Peter Wolf
- Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria
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Lobão B, Lourenço D, Giga A, Mendes-Bastos P. From PsO to PsA: the role of T RM and Tregs in psoriatic disease, a systematic review of the literature. Front Med (Lausanne) 2024; 11:1346757. [PMID: 38405187 PMCID: PMC10884248 DOI: 10.3389/fmed.2024.1346757] [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: 11/29/2023] [Accepted: 01/25/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction Psoriasis (PsO) is a chronic skin condition driven by immune mediators like TNFα, INFγ, IL-17, and IL-23. Psoriatic arthritis (PsA) can develop in PsO patients. Although psoriatic lesions may apparently resolve with therapy, subclinical cutaneous inflammation may persist. The role of tissue-resident memory T-cells (TRM), and regulatory T cells (Tregs) that also contribute to chronic inflammation are being explored in this context. This systematic review explores TRM and Tregs in psoriatic disease (PsD) and its progression. Methods A systematic review, following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, was performed using Pubmed® and Web of Science™ databases on June 3rd 2023, using patient/population, intervention, comparison, and outcomes (PICO) criteria limited to the English language. Results A total of 62 reports were identified and included. In PsO, chronic inflammation is driven by cytokines including IL-17 and IL-23, and cellular mediators such as CD8+ and CD4+ T cells. TRM contributes to local inflammation, while Tregs may be dysfunctional in psoriatic skin lesions. Secukinumab and guselkumab, which target IL-17A and the IL-23p19 subunit, respectively, have different effects on CD8+ TRM and Tregs during PsO treatment. Inhibition of IL-23 may provide better long-term results due to its impact on the Treg to CD8+ TRM ratio. IL-23 may contribute to inflammation persisting even after treatment. In PsA, subclinical enthesitis is perceived as an early occurence, and Th17 cells are involved in this pathogenic process. Recent EULAR guidelines highlight the importance of early diagnosis and treatment to intercept PsA. In PsA, CD8+ TRM cells are present in synovial fluid and Tregs are reduced in peripheral blood. The progression from PsO to PsA is marked by a shift in immune profiles, with specific T-cells subsets playing key roles in perpetuating inflammation. Early intervention targeting TRM cells may hold promising, but clinical studies are limited. Ongoing studies such as IVEPSA and PAMPA aim to improve our knowledge regarding PsA interception in high-risk PsO patients, emphasizing the need for further research in this area. Conclusion Early intervention is crucial for PsO patients at high risk of PsA; T cells, particularly type 17 helper T cells, and CD8+ cells are key in the progression from PsO-to-PsA. Early targeting of TRM in PsD shows promise but more research is needed.
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Affiliation(s)
- Bárbara Lobão
- Instituto Português de Reumatologia, Lisboa, Portugal
- Centro Hospitalar de Setúbal, Setúbal, Portugal
| | | | - Ana Giga
- Janssen Portugal, Oeiras, Portugal
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11
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Reali E, Caliceti C, Lorenzini A, Rizzo P. The Use of Microbial Modifying Therapies to Prevent Psoriasis Exacerbation and Associated Cardiovascular Comorbidity. Inflammation 2024; 47:13-29. [PMID: 37953417 PMCID: PMC10799147 DOI: 10.1007/s10753-023-01915-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 11/14/2023]
Abstract
Psoriasis has emerged as a systemic disease characterized by skin and joint manifestations as well as systemic inflammation and cardiovascular comorbidities. Many progresses have been made in the comprehension of the immunological mechanisms involved in the exacerbation of psoriatic plaques, and initial studies have investigated the mechanisms that lead to extracutaneous disease manifestations, including endothelial disfunction and cardiovascular disease. In the past decade, the involvement of gut dysbiosis in the development of pathologies with inflammatory and autoimmune basis has clearly emerged. More recently, a major role for the skin microbiota in establishing the immunological tolerance in early life and as a source of antigens leading to cross-reactive responses towards self-antigens in adult life has also been evidenced. Gut microbiota can indeed be involved in shaping the immune and inflammatory response at systemic level and in fueling inflammation in the cutaneous and vascular compartments. Here, we summarized the microbiota-mediated mechanisms that, in the skin and gut, may promote and modulate local or systemic inflammation involved in psoriatic disease and endothelial dysfunction. We also analyze the emerging strategies for correcting dysbiosis or modulating skin and gut microbiota composition to integrate systemically existing pharmacological therapies for psoriatic disease. The possibility of merging systemic treatment and tailored microbial modifying therapies could increase the efficacy of the current treatments and potentially lower the effect on patient's life quality.
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Affiliation(s)
- Eva Reali
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy.
| | - Cristiana Caliceti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Antonello Lorenzini
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
- Istituto Nazionale Biosistemi e Biostrutture (INBB), Rome, Italy
| | - Paola Rizzo
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy.
- Laboratory for Technologies of Advanced Therapies (LTTA) Centre, University of Ferrara, Ferrara, Italy.
- Maria Cecilia Hospital, GVM Care & Research, Cotignola, Ravenna, Italy.
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12
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Park SL, Christo SN, Wells AC, Gandolfo LC, Zaid A, Alexandre YO, Burn TN, Schröder J, Collins N, Han SJ, Guillaume SM, Evrard M, Castellucci C, Davies B, Osman M, Obers A, McDonald KM, Wang H, Mueller SN, Kannourakis G, Berzins SP, Mielke LA, Carbone FR, Kallies A, Speed TP, Belkaid Y, Mackay LK. Divergent molecular networks program functionally distinct CD8 + skin-resident memory T cells. Science 2023; 382:1073-1079. [PMID: 38033053 DOI: 10.1126/science.adi8885] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 11/01/2023] [Indexed: 12/02/2023]
Abstract
Skin-resident CD8+ T cells include distinct interferon-γ-producing [tissue-resident memory T type 1 (TRM1)] and interleukin-17 (IL-17)-producing (TRM17) subsets that differentially contribute to immune responses. However, whether these populations use common mechanisms to establish tissue residence is unknown. In this work, we show that TRM1 and TRM17 cells navigate divergent trajectories to acquire tissue residency in the skin. TRM1 cells depend on a T-bet-Hobit-IL-15 axis, whereas TRM17 cells develop independently of these factors. Instead, c-Maf commands a tissue-resident program in TRM17 cells parallel to that induced by Hobit in TRM1 cells, with an ICOS-c-Maf-IL-7 axis pivotal to TRM17 cell commitment. Accordingly, by targeting this pathway, skin TRM17 cells can be ablated without compromising their TRM1 counterparts. Thus, skin-resident T cells rely on distinct molecular circuitries, which can be exploited to strategically modulate local immunity.
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Affiliation(s)
- Simone L Park
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Susan N Christo
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Alexandria C Wells
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Luke C Gandolfo
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
- School of Mathematics and Statistics, The University of Melbourne, Melbourne, VIC, Australia
- Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
| | - Ali Zaid
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Yannick O Alexandre
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Thomas N Burn
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Jan Schröder
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Nicholas Collins
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Seong-Ji Han
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Stéphane M Guillaume
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Maximilien Evrard
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Clara Castellucci
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Brooke Davies
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Maleika Osman
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Andreas Obers
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Keely M McDonald
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Huimeng Wang
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Scott N Mueller
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - George Kannourakis
- Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC, Australia
- Fiona Elsey Cancer Research Institute, Ballarat, VIC, Australia
| | - Stuart P Berzins
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
- Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC, Australia
- Fiona Elsey Cancer Research Institute, Ballarat, VIC, Australia
| | - Lisa A Mielke
- Olivia Newton-John Cancer Research Institute, La Trobe University School of Cancer Medicine, Heidelberg, VIC, Australia
| | - Francis R Carbone
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Axel Kallies
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Terence P Speed
- School of Mathematics and Statistics, The University of Melbourne, Melbourne, VIC, Australia
- Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
| | - Yasmine Belkaid
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
- NIAID Microbiome Program, NIAID, National Institutes of Health, Bethesda, MD, USA
| | - Laura K Mackay
- Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
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13
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Pham JP, Wark KJL, Woods J, Frew JW. Resident cutaneous memory T cells: a clinical review of their role in chronic inflammatory dermatoses and potential as therapeutic targets. Br J Dermatol 2023; 189:656-663. [PMID: 37603832 DOI: 10.1093/bjd/ljad303] [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: 02/26/2023] [Revised: 08/07/2023] [Accepted: 08/17/2023] [Indexed: 08/23/2023]
Abstract
Resident memory T cells (T-RMs) remain in epithelial barrier tissues after antigen exposure and the initial effector phase. These T-RMs provide effective antimicrobial and anticancer immunity; however, pathogenic T-RMs have been shown to mediate various chronic inflammatory disorders in a variety of tissue types. In the skin, T-RMs are referred to as resident cutaneous memory T cells (cT-RMs). Understanding the mechanisms leading to the development and establishment of these cT-RMs populations may allow for targeted treatments that provide durable responses in chronic immune-mediated skin diseases, even after cessation. In this review, we summarize the evidence on cT-RMs as drivers of chronic inflammatory dermatoses, including psoriasis, vitiligo, atopic dermatitis, cutaneous lupus erythematosus and alopecia areata, among others. Data from in vitro, animal model and ex vivo human studies are presented, with a focus on the potential for cT-RMs to trigger acute disease flares, as well as recurrent disease, by establishing an immune 'memory' in the skin. Furthermore, the available data on the potential for existing and novel treatments to affect the development or survival of cT-RMs in the skin are synthesized. The data suggest a dynamic and rapidly growing area in the field of dermatology; however, we also discuss areas in need of greater research to allow for optimal treatment selection for long-term disease control.
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Affiliation(s)
- James P Pham
- School of Clinical Medicine, UNSW Medicine and Health, Sydney, NSW, Australia
- Department of Dermatology, Liverpool Hospital, Liverpool, NSW, Australia
- Laboratory of Translational Cutaneous Medicine, Ingham Institute of Applied Medical Research, Liverpool, NSW, Australia
| | - Kirsty J L Wark
- Department of Dermatology, Liverpool Hospital, Liverpool, NSW, Australia
| | - Jane Woods
- School of Clinical Medicine, UNSW Medicine and Health, Sydney, NSW, Australia
- Department of Dermatology, Liverpool Hospital, Liverpool, NSW, Australia
| | - John W Frew
- School of Clinical Medicine, UNSW Medicine and Health, Sydney, NSW, Australia
- Department of Dermatology, Liverpool Hospital, Liverpool, NSW, Australia
- Laboratory of Translational Cutaneous Medicine, Ingham Institute of Applied Medical Research, Liverpool, NSW, Australia
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14
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Kamata M, Tada Y. Crosstalk: keratinocytes and immune cells in psoriasis. Front Immunol 2023; 14:1286344. [PMID: 38022549 PMCID: PMC10665858 DOI: 10.3389/fimmu.2023.1286344] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 10/26/2023] [Indexed: 12/01/2023] Open
Abstract
In the past, psoriasis was considered a skin disease caused only by keratinocyte disorders. However, the efficacy of immunosuppressive drugs and biologics used to treat psoriasis proves that psoriasis is an immune-mediated disease. Indeed, a variety of immune cells are involved in the pathogenesis of psoriasis, including dendritic cells, Th17 cells, and resident memory T cells. Furthermore, keratinocytes play a role in the development of psoriasis as immune cells by secreting antibacterial peptides, chemokines, tumor necrosis factor-α, interleukin (IL)-36, and IL-23. These immune cells and skin cells interact and drive the aberrant differentiation and proliferation of keratinocytes. This crosstalk between keratinocytes and immune cells critical in the pathogenesis of psoriasis forms an inflammatory loop, resulting in the persistence or exacerbation of psoriasis plaques.
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Affiliation(s)
| | - Yayoi Tada
- Department of Dermatology, Teikyo University School of Medicine, Tokyo, Japan
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15
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El Mahi Y, Varin A, Vetter M, Dal Zuffo L, Mazzeo L, Pais De Barros JP, Aubin F, Saas P, Gallais Sérézal I. Resolved Psoriasis with Abundant Oleic Acid in Stratum Corneum Exhibits Lower T-Cell-Driven IL-17 Signature. J Invest Dermatol 2023; 143:2145-2152.e6. [PMID: 37207807 DOI: 10.1016/j.jid.2023.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/22/2023] [Accepted: 04/05/2023] [Indexed: 05/21/2023]
Abstract
Relapses of psoriasis involve T cells that stem and survive in the skin. Inherited from previous flares, the tissue-resident memory T cells are epidermal IL-17-producing CD8+ and IL-22-producing CD4+ T cells. Because the capacity of resident memory T cells to take in fatty acids is essential for their residence and function, the surface composition of fatty acids may affect underlying T-cell populations. In patients treated with biologics, we used gas chromatography/mass spectrometry to decipher the fatty acid composition in both resolved and nonlesional sites. Skin T cells were activated by OKT-3 in explants from the same body sites to perform bulk transcriptomic analysis (Nanostring). The fatty acid composition differed between skin from healthy donors and normal-looking skin of patients with psoriasis but not further between nonlesional and resolved skin. Patients in whom the resolved skin was rich in oleic acid had lower T-cell-driven IL-17 epidermal transcriptomic signature upon activation of T cells in skin explants. The skin lipid composition is linked with the functions of the underlying epidermal T cells. Testing the modulating effect of custom fatty acids on skin resident T cells could help with coming closer to disease oblivion in inflammatory skin diseases.
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Affiliation(s)
- Yasmin El Mahi
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France
| | - Alexis Varin
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France; Lipidomic platform, LipSTIC Labex, Burgundy University, Dijon, France
| | - Mathieu Vetter
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France
| | - Ludivine Dal Zuffo
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France
| | - Loïc Mazzeo
- Lipidomic platform, LipSTIC Labex, Burgundy University, Dijon, France; INSERM UMR1098, Burgundy University, Dijon, France
| | - Jean-Paul Pais De Barros
- INSERM UMR1098, Burgundy University, Dijon, France; Department of Dermatology, Besançon University Hospital, Besançon, France
| | - François Aubin
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France; Department of Dermatology, Besançon University Hospital, Besançon, France
| | - Philippe Saas
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France; Lipidomic platform, LipSTIC Labex, Burgundy University, Dijon, France
| | - Irène Gallais Sérézal
- INSERM, EFS, UMR1098 RIGHT, University Bourgogne Franche-Comté, Besançon, France; Department of Dermatology, Besançon University Hospital, Besançon, France.
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16
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Reali E, Ferrari D. From the Skin to Distant Sites: T Cells in Psoriatic Disease. Int J Mol Sci 2023; 24:15707. [PMID: 37958689 PMCID: PMC10648543 DOI: 10.3390/ijms242115707] [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: 09/28/2023] [Revised: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
Human skin has long been known as a protective organ, acting as a mechanical barrier towards the external environment. More recent is the acquisition that in addition to this fundamental role, the complex architecture of the skin hosts a variety of immune and non-immune cells playing preeminent roles in immunological processes aimed at blocking infections, tumor progression and migration, and elimination of xenobiotics. On the other hand, dysregulated or excessive immunological response into the skin leads to autoimmune reactions culminating in a variety of skin pathological manifestations. Among them is psoriasis, a multifactorial, immune-mediated disease with a strong genetic basis. Psoriasis affects 2-3% of the population; it is associated with cardiovascular comorbidities, and in up to 30% of the cases, with psoriatic arthritis. The pathogenesis of psoriasis is due to the complex interplay between the genetic background of the patient, environmental factors, and both innate and adaptive responses. Moreover, an autoimmune component and the comprehension of the mechanisms linking chronic skin inflammation with systemic and joint manifestations in psoriatic patients is still a major challenge. The understanding of these mechanisms may offer a valuable chance to find targetable molecules to treat the disease and prevent its progression to severe systemic conditions.
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Affiliation(s)
- Eva Reali
- Department of Translational Medicine, University of Ferrara, 44100 Ferrara, Italy
| | - Davide Ferrari
- Department of Life Science and Biotechnology, University of Ferrara, 44100 Ferrara, Italy
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Zhang P, Su Y, Li S, Chen H, Wu R, Wu H. The roles of T cells in psoriasis. Front Immunol 2023; 14:1081256. [PMID: 37942312 PMCID: PMC10628572 DOI: 10.3389/fimmu.2023.1081256] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 09/29/2023] [Indexed: 11/10/2023] Open
Abstract
Psoriasis is a recurring inflammatory skin condition characterized by scaly, red patches on the skin. It affects approximately 3% of the US population and is associated with histological changes such as epidermal hyperplasia, increased blood vessel proliferation, and infiltration of leukocytes into the skin's dermis. T cells, which are classified into various subtypes, have been found to play significant roles in immune-mediated diseases, particularly psoriasis. This paper provides a review of the different T lymphocyte subtypes and their functions in psoriasis, as well as an overview of targeted therapies for treating psoriasis.
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Affiliation(s)
| | | | | | | | - Ruifang Wu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Haijing Wu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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18
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Cousin I, Misery L, de Vries P, Lebonvallet N. Emergence of New Concepts in Skin Physiopathology through the Use of in vitro Human Skin Explants Models. Dermatology 2023; 239:849-859. [PMID: 37717565 DOI: 10.1159/000533261] [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: 07/15/2022] [Accepted: 07/20/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND This review summarizes uses and new applications for dermatological research of in vitro culture models of human skin explants (HSEs). In the last decade, many innovations have appeared in the literature and an exponential number of studies have been recorded in various fields of application such as process culture engineering, stem cell extractions methodology, or cell-to-cell interaction studies under physiological and pathological conditions, wound-healing, and inflammation. Most studies also concerned pharmacology, cosmetology, and photobiology. However, these topics will not be considered in our review. SUMMARY A better understanding of the mechanisms driving intercellular relationships, at work in the maintenance of 3D tissue architectures has led to the improvement of cell culture techniques. Many papers have focused on the physiological ways that govern in vitro tissue maintenance of HSEs. The analysis of the necessary mechanical stress, intercellular and cell-matrix interactions, allows the maintenance and prolonged use of HSEs in culture for up to 15 days, regardless of the great variability of study protocols from one laboratory to another and in accordance with the objectives set. Because of their close similarities to fresh skin, HSEs are increasingly used to study skin barrier repair and wound healing physiology. Easy to use in co-culture, this model allows a better understanding of the connections and interactions between the peripheral nervous system, the skin and the immune system. The development of the concept of an integrated neuro-immuno-cutaneous system at work in skin physiology and pathology highlighted by this article represents one of the new technical challenges in the field of in vitro culture of HSE. This review of the literature also reveals the importance of using such models in pathology. As sources of stem cells, HSEs are the basis for the development of new tissue engineering models such as organoids or optical clearing tissues technology. This study identifies the main advances and cross-cutting issues in the use of HSE.
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Affiliation(s)
- Ianis Cousin
- Laboratoire Interactions épithéliums Neurones, Université de Bretagne Occidentale, Brest, France
- Service de chirurgie pédiatrique CHRU de Brest, Brest, France
| | - Laurent Misery
- Laboratoire Interactions épithéliums Neurones, Université de Bretagne Occidentale, Brest, France
- Service de dermatologie CHRU de Brest, Brest, France
| | - Philine de Vries
- Laboratoire Interactions épithéliums Neurones, Université de Bretagne Occidentale, Brest, France
- Service de chirurgie pédiatrique CHRU de Brest, Brest, France
| | - Nicolas Lebonvallet
- Laboratoire Interactions épithéliums Neurones, Université de Bretagne Occidentale, Brest, France
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19
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Carmona-Rocha E, Puig L. The biological basis of disease recurrence in psoriasis. Ital J Dermatol Venerol 2023; 158:279-291. [PMID: 37404193 DOI: 10.23736/s2784-8671.23.07583-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
Despite the amazing advances produced in our understanding of the pathogenesis of psoriasis, which have led to a therapeutic revolution, our knowledge of the mechanisms of relapse and elicitation of lesions is just starting to unravel. This narrative review tours the different cell types and mechanisms involved in the priming, maintenance, and relapse of psoriasis vulgaris. Our discussion includes dendritic cells, T cells, tissue resident memory cells and mast cells, with a foray into the epigenetic mechanisms of inflammatory memory in keratinocytes. Increasing knowledge is providing a glimpse of a potential therapeutic window of opportunity in psoriasis, providing long term remission and eventual modification of the natural history of the disease.
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Affiliation(s)
- Elena Carmona-Rocha
- Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Lluís Puig
- Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain -
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20
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Lang M, Krump C, Meshcheryakova A, Tam-Amersdorfer C, Schwarzenberger E, Passegger C, Connolly S, Mechtcheriakova D, Strobl H. Microenvironmental and cell intrinsic factors governing human cDC2 differentiation and monocyte reprogramming. Front Immunol 2023; 14:1216352. [PMID: 37539048 PMCID: PMC10395083 DOI: 10.3389/fimmu.2023.1216352] [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: 05/03/2023] [Accepted: 06/14/2023] [Indexed: 08/05/2023] Open
Abstract
cDC2s occur abundantly in peripheral tissues and arise from circulating blood cDC2s. However, the factors governing cDC2 differentiation in tissues, especially under inflammatory conditions, remained poorly defined. We here found that psoriatic cDC2s express the efferocytosis receptor Axl and exhibit a bone morphogenetic protein (BMP) and p38MAPK signaling signature. BMP7, strongly expressed within the lesional psoriatic epidermis, cooperates with canonical TGF-β1 signaling for inducing Axl+cDC2s from blood cDC2s in vitro. Moreover, downstream induced p38MAPK promotes Axl+cDC2s at the expense of Axl+CD207+ Langerhans cell differentiation from blood cDC2s. BMP7 supplementation allowed to model cDC2 generation and their further differentiation into LCs from CD34+ hematopoietic progenitor cells in defined serum-free medium. Additionally, p38MAPK promoted the generation of another cDC2 subset lacking Axl but expressing the non-classical NFkB transcription factor RelB in vitro. Such RelB+cDC2s occurred predominantly at dermal sites in the inflamed skin. Finally, we found that cDC2s can be induced to acquire high levels of the monocyte lineage identity factor kruppel-like-factor-4 (KLF4) along with monocyte-derived DC and macrophage phenotypic characteristics in vitro. In conclusion, inflammatory and psoriatic epidermal signals instruct blood cDC2s to acquire phenotypic characteristics of several tissue-resident cell subsets.
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Affiliation(s)
- Magdalena Lang
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Corinna Krump
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Anastasia Meshcheryakova
- Insitute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Carmen Tam-Amersdorfer
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Elke Schwarzenberger
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Christina Passegger
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Sally Connolly
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Diana Mechtcheriakova
- Insitute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Herbert Strobl
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
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21
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Cannizzaro MV, Coscarella G, Chiricozzi A. Brodalumab in the Treatment of Plaque Psoriasis Localized in Difficult-to-Treat Areas: A Narrative Review. Dermatol Pract Concept 2023; 13:e2023245. [PMID: 37557129 PMCID: PMC10412049 DOI: 10.5826/dpc.1303a245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2022] [Indexed: 08/11/2023] Open
Abstract
INTRODUCTION Psoriasis is a common chronic, immune-mediated, inflammatory skin disease that in certain localization results difficult to treat. Psoriatic lesions in difficult-to-treat areas might be hardly managed as no standardized therapeutic approach and the application of topical treatments might have great limitations. Systemic agents, including biologic therapies, have been proven effective in treating this subgroup of patients. In particular, current evidence has shown beneficial effects with the use of brodalumab, a fully human IgG2 monoclonal antibody antagonizing the IL-17 receptor A subunit (IL-17RA). OBJECTIVES The aim of this narrative review was to collect published data about efficacy and safety of brodalumab in the treatment of psoriasis occurring in difficult-to-treat areas. METHODS Data on brodalumab effectiveness and safety deriving from both trials and real-world setting that had been published in the last 15 years were collected for this review, together with clinical findings issued during international meetings. RESULTS In phase 3 trials, brodalumab demonstrated to be effective in promoting a rapid response in scalp psoriasis as well as in generalized pustular psoriasis and erythrodermic psoriasis. Nail psoriasis demonstrated marked clinical improvement after treatment with brodalumab. Amelioration of palmoplantar psoriasis was also described in brodalumab-treated patients. Various retrospective real-world studies reported a complete clearance of psoriatic lesions in difficult-to-treat areas, including genitalia, through short-term brodalumab treatment. CONCLUSIONS Brodalumab, combining rapid and sustained efficacy with a favorable safety profile, may be a valid therapeutic option for severe variants of psoriasis as well as for psoriasis localized in difficult-to-treat areas.
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Affiliation(s)
- Maria Vittoria Cannizzaro
- Dermatologia, Dipartimento Universitario di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giulia Coscarella
- Dermatologia, Dipartimento Universitario di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Dermatologia, Dipartimento Scienze Mediche e Chirurgiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Andrea Chiricozzi
- Dermatologia, Dipartimento Universitario di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Dermatologia, Dipartimento Scienze Mediche e Chirurgiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
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22
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Povoleri GAM, Durham LE, Gray EH, Lalnunhlimi S, Kannambath S, Pitcher MJ, Dhami P, Leeuw T, Ryan SE, Steel KJA, Kirkham BW, Taams LS. Psoriatic and rheumatoid arthritis joints differ in the composition of CD8+ tissue-resident memory T cell subsets. Cell Rep 2023; 42:112514. [PMID: 37195862 PMCID: PMC10790246 DOI: 10.1016/j.celrep.2023.112514] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/21/2023] [Accepted: 05/01/2023] [Indexed: 05/19/2023] Open
Abstract
CD69+CD103+ tissue-resident memory T (TRM) cells are important drivers of inflammation. To decipher their role in inflammatory arthritis, we apply single-cell, high-dimensional profiling to T cells from the joints of patients with psoriatic arthritis (PsA) or rheumatoid arthritis (RA). We identify three groups of synovial CD8+CD69+CD103+ TRM cells: cytotoxic and regulatory T (Treg)-like TRM cells are present in both PsA and RA, while CD161+CCR6+ type 17-like TRM cells with a pro-inflammatory cytokine profile (IL-17A+TNFα+IFNγ+) are specifically enriched in PsA. In contrast, only one population of CD4+CD69+CD103+ TRM cells is detected and at similarly low frequencies in both diseases. Type 17-like CD8+ TRM cells have a distinct transcriptomic signature and a polyclonal, but distinct, TCR repertoire. Type 17-like cells are also enriched in CD8+CD103- T cells in PsA compared with RA. These findings illustrate differences in the immunopathology of PsA and RA, with a particular enrichment for type 17 CD8+ T cells in the PsA joint.
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Affiliation(s)
- Giovanni A M Povoleri
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK
| | - Lucy E Durham
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK
| | - Elizabeth H Gray
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK
| | - Sylvine Lalnunhlimi
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK
| | - Shichina Kannambath
- BRC Genomics Core, NIHR Biomedical Research Center, Guy's and St Thomas' NHS Foundation Trust and King's College London, Guy's Hospital, London SE1 9RT, UK
| | - Michael J Pitcher
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK
| | - Pawan Dhami
- BRC Genomics Core, NIHR Biomedical Research Center, Guy's and St Thomas' NHS Foundation Trust and King's College London, Guy's Hospital, London SE1 9RT, UK
| | - Thomas Leeuw
- Immunology & Inflammation Research TA, Sanofi-Aventis Deutschland GmbH, Industriepark Hoechst, 65926 Frankfurt am Main, Germany
| | - Sarah E Ryan
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK
| | - Kathryn J A Steel
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK
| | - Bruce W Kirkham
- Rheumatology Department, Guy's Hospital, Great Maze Pond, London SE1 9RT, UK
| | - Leonie S Taams
- Centre for Inflammation Biology and Cancer Immunology (CIBCI), Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London SE1 1UL, UK.
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Identification of proteinase 3 autoreactive CD4 +T cells and their T-cell receptor repertoires in antineutrophil cytoplasmic antibody-associated vasculitis. Kidney Int 2023; 103:973-985. [PMID: 36804380 DOI: 10.1016/j.kint.2023.01.023] [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: 06/09/2022] [Revised: 01/10/2023] [Accepted: 01/19/2023] [Indexed: 02/17/2023]
Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is an autoimmune disease involving autoreactivity to proteinase 3 (PR3) as demonstrated by presence of ANCAs. While autoantibodies are screened for diagnosis, autoreactive T cells and their features are less well-studied. Here, we investigated PR3-specific CD4+T cell responses and features of autoreactive T cells in patients with PR3-AAV, using a cohort of 72 patients with either active or inactive disease. Autoreactive PR3-specific CD4+T cells producing interferon γ in response to protein stimulation were found to express the G-protein coupled receptor 56 (GPR56), a cell surface marker that distinguishes T cells with cytotoxic capacity. GPR56+CD4+T cells were significantly more prominent in the blood of patients with inactive as compared to active disease, suggesting that these cells were affected by immunosuppression and/or that they migrated from the circulation to sites of organ involvement. Indeed, GPR56+CD4+T cells were identified in T-cell infiltrates of affected kidneys and an association with immunosuppressive therapy was found. Moreover, distinct TCR gene segment usage and shared (public) T cell clones were found for the PR3-reactive TCRs. Shared T cell clones were found in different patients with AAV carrying the disease-associated HLA-DP allele, demonstrating convergence of the autoreactive T cell repertoire. Thus, we identified a CD4+T cell signature in blood and in affected kidneys that display PR3 autoreactivity and associates with T cell cytotoxicity. Our data provide a basis for novel rationales for both immune monitoring and future therapeutic intervention in PR3-AAV.
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Kim SH, Oh J, Roh WS, Park J, Chung KB, Lee GH, Lee YS, Kim JH, Lee HK, Lee H, Park CO, Kim DY, Lee MG, Kim TG. Pellino-1 promotes intrinsic activation of skin-resident IL-17A-producing T cells in psoriasis. J Allergy Clin Immunol 2023; 151:1317-1328. [PMID: 36646143 DOI: 10.1016/j.jaci.2022.12.823] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/19/2022] [Accepted: 12/20/2022] [Indexed: 01/15/2023]
Abstract
BACKGROUND Psoriasis is a chronically relapsing inflammatory skin disease primarily perpetuated by skin-resident IL-17-producing T (T17) cells. Pellino-1 (Peli1) belongs to a member of E3 ubiquitin ligase mediating immune receptor signaling cascades, including nuclear factor kappa-light-chain enhancer of activated B cells (NF-κB) pathway. OBJECTIVE We explored the potential role of Peli1 in psoriatic inflammation in the context of skin-resident T17 cells. METHODS We performed single-cell RNA sequencing of relapsing and resolved psoriatic lesions with analysis for validation data set of psoriasis. Mice with systemic and conditional depletion of Peli1 were generated to evaluate the role of Peli1 in imiquimod-induced psoriasiform dermatitis. Pharmacologic inhibition of Peli1 in human CD4+ T cells and ex vivo human skin cultures was also examined to evaluate its potential therapeutic implications. RESULTS Single-cell RNA sequencing analysis revealed distinct T-cell subsets in relapsing psoriasis exhibiting highly enriched gene signatures for (1) tissue-resident T cells, (2) T17 cells, and (3) NF-κB signaling pathway including PELI1. Peli1-deficient mice were profoundly protected from psoriasiform dermatitis, with reduced IL-17A production and NF-κB activation in γδ T17 cells. Mice with conditional depletion of Peli1 treated with FTY720 revealed that Peli1 was intrinsically required for the skin-resident T17 cell immune responses. Notably, pharmacologic inhibition of Peli1 significantly ameliorated murine psoriasiform dermatitis and IL-17A production from the stimulated human CD4+ T cells and ex vivo skin explants modeling psoriasis. CONCLUSION Targeting Peli1 would be a promising therapeutic strategy for psoriasis by limiting skin-resident T17 cell immune responses.
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Affiliation(s)
- Sung Hee Kim
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jongwook Oh
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea; Department of Pharmacology, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
| | - Won Seok Roh
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jeyun Park
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung Bae Chung
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | | | | | - Jong Hoon Kim
- Deparment of Dermatology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Heung Kyu Lee
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Ho Lee
- Graduate School of Cancer Science and Policy, National Cancer Center, Gyeonggi, Korea
| | - Chang-Ook Park
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
| | - Do-Young Kim
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Min-Geol Lee
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea.
| | - Tae-Gyun Kim
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea; Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Korea.
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25
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Gallais Sérézal I, Tajpara P, Schonfeldt T, Ignatov B, Sortebech D, Hoffer E, Zhang T, Rooijackers E, Ehrström M, Nylén S, Matura M, Melican K, Eidsmo L. T cells in resolved allergic contact dermatitis steer tissue inflammation and MMP-12-driven tissue modulation. Allergy 2022; 77:3680-3683. [PMID: 35984563 PMCID: PMC10086995 DOI: 10.1111/all.15484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/18/2022] [Accepted: 08/13/2022] [Indexed: 01/28/2023]
Affiliation(s)
- Irène Gallais Sérézal
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,PO Rheumatology/Dermatology/Gastroenterology, Karolinska University Hospital, Stockholm, Sweden.,INSERM UMR 1098, Besançon, France
| | - Poojabahen Tajpara
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,PO Rheumatology/Dermatology/Gastroenterology, Karolinska University Hospital, Stockholm, Sweden
| | - Trine Schonfeldt
- Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Borislav Ignatov
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Daniel Sortebech
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Elena Hoffer
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Tianqi Zhang
- Department of Neuroscience, Karolinska Institutet, Solna, Sweden.,AIMES-Center for the Advancement of Integrated Medical and Engineering Sciences, Karolinska Institutet and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Elin Rooijackers
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Marcus Ehrström
- Department of Reconstructive Plastic Surgery, Karolinska University Hospital Solna, Stockholm, Sweden.,Nordiska Kliniken, Stockholm, Sweden
| | - Susanne Nylén
- Department of Microbiology, Tumour and Cell Biology, Karolinska Institutet, Solna, Sweden
| | - Míhaly Matura
- Department of Dermatology, Skaraborgs sjukhus Skövde, Skövde, Sweden
| | - Keira Melican
- Department of Neuroscience, Karolinska Institutet, Solna, Sweden.,AIMES-Center for the Advancement of Integrated Medical and Engineering Sciences, Karolinska Institutet and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Liv Eidsmo
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,PO Rheumatology/Dermatology/Gastroenterology, Karolinska University Hospital, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
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26
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Whitley SK, Li M, Kashem SW, Hirai T, Igyártó BZ, Knizner K, Ho J, Ferris LK, Weaver CT, Cua DJ, McGeachy MJ, Kaplan DH. Local IL-23 is required for proliferation and retention of skin-resident memory T H17 cells. Sci Immunol 2022; 7:eabq3254. [PMID: 36367947 PMCID: PMC9847353 DOI: 10.1126/sciimmunol.abq3254] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The cytokine interleukin-23 (IL-23) is critical for development and maintenance of autoimmune inflammation in nonlymphoid tissues; however, the mechanism through which IL-23 supports tissue-specific immunity remains unclear. In mice, we found that circulating memory T cells were dispensable for anamnestic protection from Candida albicans skin infection, and tissue-resident memory (TRM) cell-mediated protection from C. albicans reinfection required IL-23. Administration of anti-IL-23 receptor antibody to mice after resolution of primary C. albicans infection resulted in loss of CD69+ CD103+ tissue-resident memory T helper 17 (TRM17) cells from skin, and clinical anti-IL-23 therapy depleted TRM17 cells from skin of patients with psoriasis. IL-23 receptor blockade impaired TRM17 cell proliferation but did not affect apoptosis susceptibility or tissue egress. IL-23 produced by CD301b+ myeloid cells was required for TRM17 maintenance in skin after C. albicans infection, and CD301b+ cells were necessary for TRM17 expansion during the development of imiquimod dermatitis. This study demonstrates that locally produced IL-23 promotes in situ proliferation of cutaneous TRM17 cells to support their longevity and function and provides mechanistic insight into the durable efficacy of IL-23 blockade in the treatment of psoriasis.
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Affiliation(s)
- Sarah K. Whitley
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
| | - Mushi Li
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
| | - Sakeen W. Kashem
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
- Immunology, University of Pittsburgh, Pittsburgh PA
| | - Toshiro Hirai
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
- Immunology, University of Pittsburgh, Pittsburgh PA
| | - Botond Z. Igyártó
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia, PA
| | - Kelley Knizner
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
| | - Jonhan Ho
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
| | - Laura K. Ferris
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
| | - Casey T. Weaver
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL
| | | | - Mandy J. McGeachy
- Rheumatology, University of Pittsburgh, Pittsburgh PA
- Immunology, University of Pittsburgh, Pittsburgh PA
| | - Daniel H. Kaplan
- Departments of Dermatology, University of Pittsburgh, Pittsburgh PA
- Immunology, University of Pittsburgh, Pittsburgh PA
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27
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Mießner H, Seidel J, Smith ESJ. In vitro models for investigating itch. Front Mol Neurosci 2022; 15:984126. [PMID: 36385768 PMCID: PMC9644192 DOI: 10.3389/fnmol.2022.984126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 10/10/2022] [Indexed: 12/04/2022] Open
Abstract
Itch (pruritus) is a sensation that drives a desire to scratch, a behavior observed in many animals. Although generally short-lasting and not causing harm, there are several pathological conditions where chronic itch is a hallmark symptom and in which prolonged scratching can induce damage. Finding medications to counteract the sensation of chronic itch has proven difficult due to the molecular complexity that involves a multitude of triggers, receptors and signaling pathways between skin, immune and nerve cells. While much has been learned about pruritus from in vivo animal models, they have limitations that corroborate the necessity for a transition to more human disease-like models. Also, reducing animal use should be encouraged in research. However, conducting human in vivo experiments can also be ethically challenging. Thus, there is a clear need for surrogate models to be used in pre-clinical investigation of the mechanisms of itch. Most in vitro models used for itch research focus on the use of known pruritogens. For this, sensory neurons and different types of skin and/or immune cells are stimulated in 2D or 3D co-culture, and factors such as neurotransmitter or cytokine release can be measured. There are however limitations of such simplistic in vitro models. For example, not all naturally occurring cell types are present and there is also no connection to the itch-sensing organ, the central nervous system (CNS). Nevertheless, in vitro models offer a chance to investigate otherwise inaccessible specific cell–cell interactions and molecular pathways. In recent years, stem cell-based approaches and human primary cells have emerged as viable alternatives to standard cell lines or animal tissue. As in vitro models have increased in their complexity, further opportunities for more elaborated means of investigating itch have been developed. In this review, we introduce the latest concepts of itch and discuss the advantages and limitations of current in vitro models, which provide valuable contributions to pruritus research and might help to meet the unmet clinical need for more refined anti-pruritic substances.
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Affiliation(s)
- Hendrik Mießner
- Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom
- Dermatological Skin Care, Beiersdorf AG, Hamburg, Germany
| | - Judith Seidel
- Dermatological Skin Care, Beiersdorf AG, Hamburg, Germany
| | - Ewan St. John Smith
- Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom
- *Correspondence: Ewan St. John Smith,
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28
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Blauvelt A. Resident Memory T Cells in Psoriasis: Key to a Cure? JOURNAL OF PSORIASIS AND PSORIATIC ARTHRITIS 2022; 7:157-159. [PMID: 39296964 PMCID: PMC11361500 DOI: 10.1177/24755303221127338] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/21/2024]
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29
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Zhukov AS, Patrushev AV, Khairutdinov VR, Samtsov AV, Kryukov EV. New aspects of the pathogenesis of psoriasis. VESTNIK DERMATOLOGII I VENEROLOGII 2022. [DOI: 10.25208/vdv1345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Psoriasis is a chronic multi-factorial immune-mediated inflammatory disease of skin and joints. The variety of clinical forms of dermatosis is consistent with various pathogenetic features of the disease progress which have been significantly supplemented and reviewed recently. Knowledge of these mechanisms will improve and personalize the prescribed therapy.
This study places the emphasis on modern ideas about the formation of T cell memory, the role of melanocytes and innate lymphoid cells. Development mechanisms of guttate and paradoxical psoriasis with important distinguishing characteristics are described separately.
Today, knowledge of the molecular basis of the disease progression has led to the creation and introduction of a number of highly effective targeted drugs into clinical practice. Further developments related to the inhibition of resident memory cells, innate lymphoid cells, as well as the study of guttate psoriasis perpetuation and the occurrence of paradoxical psoriasis will significantly increase the effectiveness of the therapy.
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30
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Camela E, Potestio L, Ruggiero A, Ocampo-Garza SS, Fabbrocini G, Megna M. Towards Personalized Medicine in Psoriasis: Current Progress. Psoriasis (Auckl) 2022; 12:231-250. [PMID: 36071793 PMCID: PMC9444142 DOI: 10.2147/ptt.s328460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/13/2022] [Indexed: 12/14/2022] Open
Abstract
Although innovative targeted therapies have positively revolutionized psoriasis treatment shifting treatment goals to complete or almost complete skin clearance, primary or secondary lack of efficacy is still possible. Hence, identifying robust biomarkers that reflect the various clinical psoriasis phenotypes would allow stratify patients in subgroups or endotypes, and tailor treatments according to the characteristics of each individual (precision medicine). To sum up the current progress in personalized medicine for psoriasis, we performed a review on the available evidence on biomarkers predictive of response to psoriasis treatments, with focus on phototherapy and systemic agents. Relevant literature published in English was searched for using the following databases from the last five years up to March 20, 2022: PubMed, Embase, Google Scholar, EBSCO, MEDLINE, and the Cochrane library. Currently, more evidence exists towards biologicals, as justified by the huge health care costs as compared to phototherapy or conventional systemic drugs. Among them, most of the studies focused on anti-TNF and IL12/23, with still few on IL17 (mainly secukinumab). The most discussed biomarker gene is the HLA-C*02:06 status that has been shown to be associated with psoriasis, and also differential response to biologicals. Although its positivity is associated with great response to MTX, debatable results were retrieved concerning both anti-TNF and IL12/23 while it seems not to affect secukinumab response. Personalized treatment in psoriasis would provide excellent outcome minimizing the risk of side effects. To date, although several candidates were proposed and assessed, the scarcity and heterogeneity of the results do not allow the identification of the gold-standard biomarker per each treatment. Anyway, the creation of a more comprehensive panel would be more reliable for the treatment decision process.
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Affiliation(s)
- Elisa Camela
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
- Correspondence: Elisa Camela, Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy, Tel +39 - 081 - 7462457, Fax +39 - 081 - 7462442, Email
| | - Luca Potestio
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Angelo Ruggiero
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Sonia Sofia Ocampo-Garza
- Dermatology Department, Universidad Autónoma de Nuevo León, University Hospital ¨Dr. José Eleuterio González¨, Monterrey, Nuevo León, México
| | - Gabriella Fabbrocini
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Matteo Megna
- Section of Dermatology, Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
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31
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Liu N, Qin H, Cai Y, Li X, Wang L, Xu Q, Xue F, Chen L, Ding C, Hu X, Tieri D, Rouchka EC, Yan J, Zheng J. Dynamic trafficking patterns of IL-17-producing γδ T cells are linked to the recurrence of skin inflammation in psoriasis-like dermatitis. EBioMedicine 2022; 82:104136. [PMID: 35785620 PMCID: PMC9256835 DOI: 10.1016/j.ebiom.2022.104136] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/16/2022] [Accepted: 06/17/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Psoriasis recurrence is a clinically challenging issue. However, the underlying mechanisms haven't been fully understood. METHODS RNAseq analysis from affected skin of psoriatic patients treated with topical glucocorticoid (GC) with different outcomes was performed. In addition, imiquimod (IMQ)-induced mouse psoriasis-like model was used to mimic GC treatment in human psoriasis patients. Skin tissues and draining and distant lymph nodes (LNs) were harvested for flow cytometry and histology analyses. FINDINGS RNAseq analysis revealed that chemokine and chemokine receptor gene expression was decreased in post-treated skin compared to pre-treated samples but was subsequently increased in the recurred skin. In IMQ-induced mouse psoriasis-like model, we found that γδT17 cells were decreased in the skin upon topical GC treatment but surprisingly increased in the draining and distant LNs. This redistribution pattern lasted even two weeks post GC withdrawal. Upon IMQ re-challenge on the same site, mice previously treated with GC developed more severe skin inflammation. There were γδT17 cells migrated from LNs to the skin. This dynamic trafficking was dependent on CCR6 as this phenomenon was completely abrogated in CCR6-deficient mice. In addition, inhibition of lymphocyte egress prevented this heightened skin inflammation induced by IMQ rechallenge. INTERPRETATION Redistribution of pathogenic γδT17 cells may be vital to prevent disease recurrence and this model of psoriasis-like dermatitis. FUNDING This work was supported by National Natural Science Foundation of China 81830095/H1103, 81761128008/H10 (J.Z.) and the NIH R01AI128818 and the National Psoriasis Foundation (J.Y.).
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Affiliation(s)
- Na Liu
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China; Division of Immunotherapy, Department of Surgery, Immuno-Oncology Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA; Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, PR China
| | - Hui Qin
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China; Division of Immunotherapy, Department of Surgery, Immuno-Oncology Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA
| | - Yihua Cai
- Division of Immunotherapy, Department of Surgery, Immuno-Oncology Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA
| | - Xia Li
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China
| | - Lanqi Wang
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China
| | - Qiannan Xu
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China
| | - Feng Xue
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China
| | - Lihong Chen
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China
| | - Chuanlin Ding
- Division of Immunotherapy, Department of Surgery, Immuno-Oncology Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA
| | - Xiaoling Hu
- Division of Immunotherapy, Department of Surgery, Immuno-Oncology Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA
| | - David Tieri
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY 40202, USA
| | - Eric C Rouchka
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY 40202, USA
| | - Jun Yan
- Division of Immunotherapy, Department of Surgery, Immuno-Oncology Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA.
| | - Jie Zheng
- Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, PR China.
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32
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Advances in the Pathomechanisms of Delayed Drug Hypersensitivity. Immunol Allergy Clin North Am 2022; 42:357-373. [PMID: 35469623 DOI: 10.1016/j.iac.2022.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Delayed drug hypersensitivity continues to contribute to major clinical problems worldwide. The clinical presentations of delayed drug hypersensitivity are diverse, ranging from mild skin rashes to life-threatening systemic reactions. The pathomechanism of delayed drug hypersensitivity involves human leukocyte antigens (HLA) presentation of drugs/metabolites to T cell receptors (TCR), resulting in T-cell activation. The pathogenesis of delayed drug hypersensitivity also has reactivation of the virus, and activation of many immune mediators. In this review, we discuss the immune pathogenesis, molecular interactions of HLA/drugs/TCR, and downstream signaling of cytotoxic proteins/cytokines/chemokines, as well as disease prevention and management for delayed drug hypersensitivity.
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33
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Robertson TF, Huttenlocher A. Real-time imaging of inflammation and its resolution: It's apparent because it's transparent. Immunol Rev 2022; 306:258-270. [PMID: 35023170 PMCID: PMC8855992 DOI: 10.1111/imr.13061] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 02/06/2023]
Abstract
The ability to directly observe leukocyte behavior in vivo has dramatically expanded our understanding of the immune system. Zebrafish are particularly amenable to the high-resolution imaging of leukocytes during both homeostasis and inflammation. Due to its natural transparency, intravital imaging in zebrafish does not require any surgical manipulation. As a result, zebrafish are particularly well-suited for the long-term imaging required to observe the temporal and spatial events during the onset and resolution of inflammation. Here, we review major insights about neutrophil and macrophage function gained from real-time imaging of zebrafish. We discuss neutrophil reverse migration, the process whereby neutrophils leave sites of tissue damage and resolve local inflammation. Further, we discuss the current tools available for investigating immune function in zebrafish and how future studies that simultaneously image multiple leukocyte subsets can be used to further dissect mechanisms that regulate both the onset and resolution of inflammation.
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Affiliation(s)
- Tanner F. Robertson
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI
| | - Anna Huttenlocher
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI.,Department of Pediatrics, University of Wisconsin-Madison, Madison, WI
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34
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Abstract
Over the past decades, tremendous success in the treatment of psoriasis has been achieved using biologics, such as neutralizing antibodies against TNF/TNFR, IL-23, and IL-17A/IL-17RA. Although psoriatic skin lesions appear to resolve after treatment with these biologics, lesions often recur after therapy is discontinued or during therapy. Memory T cells residing in the skin have been considered as the major driver of psoriasis relapse. However, whether structural cells in the skin such as keratinocytes and fibroblasts are involved in the relapse of psoriasis is unknown. In this review, we outline the therapeutic rationale of biologics used in the treatment of psoriasis, summarize different clinical features of psoriasis relapse on the basis of preclinical and clinical data, and specifically discuss how memory T cells and structural cells in the skin are involved in psoriasis relapse. Finally, we discuss the future challenges in the basic or clinical research on psoriasis.
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Emmanuel T, Petersen A, Houborg HI, Rønsholdt AB, Lybaek D, Steiniche T, Bregnhøj A, Iversen L, Johansen C. Climatotherapy at the Dead Sea for psoriasis is a highly effective anti-inflammatory treatment in the short term; an immunohistochemical study. Exp Dermatol 2022; 31:1136-1144. [PMID: 35196397 PMCID: PMC9541097 DOI: 10.1111/exd.14549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 01/19/2022] [Accepted: 02/20/2022] [Indexed: 12/04/2022]
Abstract
Climatotherapy is a well‐described treatment of psoriasis. Dead Sea climatotherapy (DSC) in Israel consists of intensive sun and Dead Sea bathing and is very effective in improving clinical and patient‐reported outcomes. However, the effect of DSC has not been widely studied. We aimed to investigate the effect of DSC on psoriasis skin using quantitative immunohistochemistry techniques and analysis of blood samples. Skin punch biopsies from 18 psoriasis patients from a previous cohort study were used. Biopsies were obtained from non‐lesional skin and from a psoriasis target lesion at baseline. A biopsy was acquired from the target lesion after DSC. Among patients who achieved complete visual clearance, a biopsy was also obtained at relapse. Blood samples were obtained at the same time points. We performed haematoxylin and eosin staining and quantitative immunohistochemical analysis of CD3, CD4, CD8, CD11c, CD103, CD163, CD207, forkhead box P3, Ki67 and myeloperoxidase. We performed blood tests of cholesterol, c‐reactive protein, glucose, haemoglobin A1c and triglycerides. All skin biomarkers except for CD207 were decreased after DSC. At relapse, none of the biomarkers were significantly different from the baseline lesional measurements. Total CD207 staining correlated with psoriasis area and severity index at baseline while CD163 staining correlated with psoriasis area and severity index at EOT. No changes were observed in selected blood tests during the study. Consistent with clinical results, DSC is highly effective in the short term almost normalising all investigated biomarkers. However, at relapse, biomarkers were upregulated to the baseline level.
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Affiliation(s)
- Thomas Emmanuel
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Annita Petersen
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | | | | | - Dorte Lybaek
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Torben Steiniche
- Department of Pathology, Aarhus University Hospital, Aarhus, Denmark
| | - Anne Bregnhøj
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Iversen
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Claus Johansen
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
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Naik S. One Size Does Not Fit All: Diversifying Immune Function in the Skin. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:227-234. [PMID: 35017212 PMCID: PMC8820520 DOI: 10.4049/jimmunol.2100758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/11/2021] [Indexed: 01/17/2023]
Abstract
Our body's most outward facing epithelial barrier, the skin, serves as the frontline defense against myriad environmental assailants. To combat these motley threats, the skin has evolved a sophisticated immunological arsenal. In this article, I provide an overview of the skin's complex architecture and the distinct microniches in which immune cells reside and function. I review burgeoning literature on the synchronized immune, stromal, epithelial, and neuronal cell responses in healthy and inflamed skin. Next, I delve into the distinct requirement and mechanisms of long-term immune surveillance and tissue adaptation at the cutaneous frontier. Finally, by discussing the contributions of immune cells in maintaining and restoring tissue integrity, I underscore the constellation of noncanonical functions undertaken by the skin immune system. Just as our skin's immune system benefits from embracing diverse defense strategies, so, too, must we in the immunology research community support disparate perspectives and people from all walks of life.
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Affiliation(s)
- Shruti Naik
- Department of Pathology, Department of Medicine, Ronald O. Perelman Department of Dermatology, and Perlmutter Cancer Center, New York University Langone Health, 550 First Avenue, New York, New York. 10016 USA,Correspondence to:
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Branisteanu D, Cojocaru C, Diaconu R, Porumb E, Alexa A, Nicolescu A, Brihan I, Bogdanici C, Branisteanu G, Dimitriu A, Zemba M, Anton N, Toader M, Grechin A, Branisteanu D. Update on the etiopathogenesis of psoriasis (Review). Exp Ther Med 2022; 23:201. [PMID: 35126704 PMCID: PMC8794554 DOI: 10.3892/etm.2022.11124] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 11/22/2021] [Indexed: 11/05/2022] Open
Affiliation(s)
- Daciana Branisteanu
- Department of Dermatology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Catalina Cojocaru
- Department of Dermatology, Railway Clinical Hospital, 700506 Iasi, Romania
| | - Roxana Diaconu
- Department of Dermatology, Railway Clinical Hospital, 700506 Iasi, Romania
| | - Elena Porumb
- Department of Dermatology, ‘Sf. Spiridon’ Clinical Emergency County Hospital, 700111 Iasi, Romania
| | - Anisia Alexa
- Department of Ophthalmology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Alin Nicolescu
- Department of Dermatology, ‘Roma’ Medical Center for Diagnosis and Treatment, 011773 Bucharest, Romania
| | - Ilarie Brihan
- Department of Dermatology, Dermatology Clinic, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Camelia Bogdanici
- Department of Ophthalmology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
| | - George Branisteanu
- Faculty of Medicine, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Andreea Dimitriu
- Department of Dermatology, ‘Arcadia’ Hospitals and Medical Centers, 700620 Iasi, Romania
| | - Mihail Zemba
- Department of Ophthalmology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Nicoleta Anton
- Department of Ophthalmology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
| | - Mihaela Toader
- Department of Oral Dermatology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Adrian Grechin
- Department of Ophthalmology, ‘Sf. Spiridon’ Clinical Emergency County Hospital, 700111 Iasi, Romania
| | - Daniel Branisteanu
- Department of Ophthalmology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
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Intestinal helminth infection transforms the CD4 + T cell composition of the skin. Mucosal Immunol 2022; 15:257-267. [PMID: 34931000 PMCID: PMC8866128 DOI: 10.1038/s41385-021-00473-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 10/22/2021] [Accepted: 11/23/2021] [Indexed: 02/04/2023]
Abstract
Intestinal helminth parasites can alter immune responses to vaccines, other infections, allergens and autoantigens, implying effects on host immune responses in distal barrier tissues. We herein show that the skin of C57BL/6 mice infected with the strictly intestinal nematode Heligmosomoides polygyrus contain higher numbers of CD4+ T cells compared to the skin of uninfected controls. Accumulated CD4+ T cells were H. polygyrus-specific TH2 cells that skewed the skin CD4+ T cell composition towards a higher TH2/TH1 ratio which persisted after worm expulsion. Accumulation of TH2 cells in the skin was associated with increased expression of the skin-homing chemokine receptors CCR4 and CCR10 on CD4+ T cells in the blood and mesenteric lymph nodes draining the infected intestine and was abolished by FTY720 treatment during infection, indicating gut-to-skin trafficking of cells. Remarkably, skin TH2 accumulation was associated with impaired capacity to initiate IFN-γ recall responses and develop skin-resident memory cells to mycobacterial antigens, both during infection and months after deworming therapy. In conclusion, we show that infection by a strictly intestinal helminth has long-term effects on immune cell composition and local immune responses to unrelated antigens in the skin, revealing a novel process for T cell colonisation and worm-mediated immunosuppression in this organ.
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Puig L, Costanzo A, Muñoz‐Elías EJ, Jazra M, Wegner S, Paul C, Conrad C. The biological basis of disease recurrence in psoriasis: a historical perspective and current models. Br J Dermatol 2021; 186:773-781. [PMID: 34939663 PMCID: PMC9374062 DOI: 10.1111/bjd.20963] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 11/23/2021] [Accepted: 12/17/2021] [Indexed: 11/29/2022]
Abstract
A key challenge in psoriasis therapy is the tendency for lesions to recur in previously affected anatomical locations after treatment discontinuation following lesion resolution. Available evidence supports the concept of a localized immunological ‘memory’ that persists in resolved skin after complete disappearance of visible inflammation, as well as the role of a specific subpopulation of T cells characterized by the dermotropic CCR4+ phenotype and forming a local memory. Increasing knowledge of the interleukin (IL)‐23/T helper 17 (Th17) cell pathway in psoriasis immunopathology is pointing away from the historical classification of psoriasis as primarily a Th1‐type disease. Research undertaken from the 1990s to the mid‐2000s provided evidence for the existence of a large population of CD8+ and CD4+ tissue‐resident memory T cells in resolved skin, which can initiate and perpetuate immune responses of psoriasis in the absence of T‐cell recruitment from the blood. Dendritic cells (DCs) are antigen‐presenting cells that contribute to psoriasis pathology via the secretion of IL‐23, the upstream regulator of Th17 cells, while plasmacytoid DCs are involved via IL‐36 signalling and type I interferon activation. Overall, the evidence discussed in this review indicates that IL‐23‐driven/IL‐17‐producing T cells play a critical role in psoriasis pathology and recurrence, making these cytokines logical therapeutic targets. The review also explains the clinical efficacy of IL‐17 and IL‐23 receptor blockers in the treatment of psoriasis.
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Affiliation(s)
- Lluís Puig
- Department of Dermatology Hospital de la Santa Creu i Sant Pau Barcelona Spain
| | - Antonio Costanzo
- Unit of Dermatology IRCCS Humanitas Research Hospital Rozzano Milan Italy
- Department of Biomedical Sciences Humanitas University Pieve Emanuele Milan Italy
| | - Ernesto J. Muñoz‐Elías
- Department of Immunology ‐ Translational Biology, Biomarkers & Early Development Janssen Research & Development La Jolla CA/Spring House PA USA
| | | | - Sven Wegner
- Medical Affairs, Janssen‐Cilag GmbH Neuss Germany
| | - Carle Paul
- Department of Dermatology Hôpital Larrey, CHU Toulouse Toulouse France
| | - Curdin Conrad
- Department of Dermatology University Hospital CHUV Lausanne Switzerland
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Malignant and Benign T Cells Constituting Cutaneous T-Cell Lymphoma. Int J Mol Sci 2021; 22:ijms222312933. [PMID: 34884736 PMCID: PMC8657644 DOI: 10.3390/ijms222312933] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 02/06/2023] Open
Abstract
Cutaneous T-cell lymphoma (CTCL) is a heterogeneous group of non-Hodgkin lymphoma, including various clinical manifestations, such as mycosis fungoides (MF) and Sézary syndrome (SS). CTCL mostly develops from CD4 T cells with the skin-tropic memory phenotype. Malignant T cells in MF lesions show the phenotype of skin resident memory T cells (TRM), which reside in the peripheral tissues for long periods and do not recirculate. On the other hand, malignant T cells in SS represent the phenotype of central memory T cells (TCM), which are characterized by recirculation to and from the blood and lymphoid tissues. The kinetics and the functional characteristics of malignant cells in CTCL are still unclear due, in part, to the fact that both the malignant cells and the T cells exerting anti-tumor activity possess the same characteristics as T cells. Capturing the features of both the malignant and the benign T cells is necessary for understanding the pathogenesis of CTCL and would lead to new therapeutic strategies specifically targeting the skin malignant T cells or benign T cells.
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Harris KM, Smilek DE, Byron M, Lim N, Barry WT, McNamara J, Garcet S, Konrad RJ, Stengelin M, Bathala P, Korman NJ, Feldman SR, Boh EE, Barber K, Laumann AE, Helfrich YR, Krueger GG, Sofen H, Bissonnette R, Krueger JG. Effect of Costimulatory Blockade With Abatacept After Ustekinumab Withdrawal in Patients With Moderate to Severe Plaque Psoriasis: The PAUSE Randomized Clinical Trial. JAMA Dermatol 2021; 157:1306-1315. [PMID: 34643650 PMCID: PMC8515260 DOI: 10.1001/jamadermatol.2021.3492] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Question Does blockade of CD28/B7 costimulatory signaling with abatacept suppress the psoriasis molecular signature and prevent psoriasis relapse after ustekinumab withdrawal? Findings In this parallel-design, double-blind randomized clinical trial of 91 adults with moderate to severe plaque psoriasis, costimulatory blockade with abatacept did not prevent psoriasis relapse and did not maintain suppression of the pathogenic psoriasis molecular signature following ustekinumab withdrawal. Meaning In this study, abatacept did not prevent psoriasis relapse, which may rely on alternative, compensatory mechanisms of residual T-cell activation in skin. Importance Psoriasis relapse may involve compensatory T-cell activation pathways in the presence of CD28-CD80/CD86 blockade with abatacept. Objective To determine whether costimulatory signaling blockade with abatacept prevents psoriasis relapse after ustekinumab withdrawal. Design, Setting, and Participants Psoriasis Treatment with Abatacept and Ustekinumab: a Study of Efficacy (PAUSE), a parallel-design, double-blind, placebo-controlled randomized clinical trial, was conducted at 10 sites in the US and Canada. Participant enrollment opened on March 19, 2014, and concluded on April 11, 2016. Participants were adults with moderate to severe plaque psoriasis and received ustekinumab in a lead-in phase. Those who responded to ustekinumab at week 12 were randomized 1:1 to either the continued with ustekinumab group (ustekinumab group) or the switched to abatacept group (abatacept group). Treatment was discontinued at week 39, and participants were followed up for psoriasis relapse until week 88. Statistical analyses were performed in the intention-to-treat (ITT) and safety samples from May 3, 2018, to July 6, 2021. Interventions Participants received subcutaneous ustekinumab at weeks 0 and 4 (45 mg per dose for those ≤100 kg; 90 mg per dose for those >100 kg). Participants randomized to the abatacept group at week 12 received subcutaneous abatacept, 125 mg weekly, from weeks 12 to 39 and ustekinumab placebo at weeks 16 and 28. Participants randomized to the ustekinumab group received ustekinumab at weeks 16 and 28 and abatacept placebo weekly from weeks 12 to 39. Main Outcomes and Measures The primary end point was the proportion of participants with psoriasis relapse (loss of ≥50% of the initial Psoriasis Area and Severity Index improvement) between weeks 12 and 88. Secondary end points included time to psoriasis relapse, proportion of participants with psoriasis relapse between weeks 12 and 40, and adverse events. The psoriasis transcriptome and serum cytokines were evaluated. Results A total of 108 participants (mean [SD] age, 46.1 [12.1] years; 73 [67.6%] men) were treated with open-label ustekinumab; 91 were randomized to blinded treatment. Similar proportions of participants in the abatacept group and the ustekinumab group relapsed between weeks 12 and 88 (41 of 45 [91.1%] vs 40 of 46 [87.0%]; P = .41). Median time to relapse from the last dose of ustekinumab was similar between groups as well: 36 weeks (95% CI, 36-48 weeks) in the abatacept group vs 32 weeks (95% CI, 28-40 weeks) in the ustekinumab group. Similar numbers and rates of adverse events occurred. Abatacept did not maintain suppression of the pathogenic IL-23-mediated psoriasis molecular signature in lesions after ustekinumab withdrawal, and serum IL-19 levels increased. Conclusions and Relevance This parallel-design, double-blind randomized clinical trial found that abatacept did not prevent psoriasis relapse that occurred after ustekinumab withdrawal because it did not completely block the pathogenic psoriasis molecular pathways that led to relapse. Trial Registration ClinicalTrials.gov Identifier: NCT01999868
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Affiliation(s)
- Kristina M Harris
- Biomarker and Discovery Research, Immune Tolerance Network, University of California, San Francisco, San Francisco
| | - Dawn E Smilek
- Clinical Trials Group, Clinical and Translational Medicine, Immune Tolerance Network, University of California, San Francisco, San Francisco
| | | | - Noha Lim
- Biomarker and Discovery Research, Immune Tolerance Network, University of California, San Francisco, San Francisco
| | | | - James McNamara
- Autoimmunity and Mucosal Immunology Branch, Division of Allergy, Immunology, and Transplantation/National Institute of Allergy and Infectious Diseases, Rockville, Maryland
| | | | - Robert J Konrad
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana
| | | | | | - Neil J Korman
- Department of Dermatology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Steven R Feldman
- Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Erin E Boh
- Health Sciences Center, Tulane University School of Medicine, New Orleans, Louisiana
| | - Kirk Barber
- Department of Medicine (Dermatology), University of Calgary, Calgary, Alberta, Canada
| | - Anne E Laumann
- Department of Dermatology, Northwestern University, Colorado Springs, Colorado
| | | | - Gerald G Krueger
- Department of Dermatology, University of Utah School of Medicine, Salt Lake City
| | - Howard Sofen
- Dermatology, David Geffen UCLA (University of California, Los Angeles) School of Medicine, Los Angeles
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Assessment of the Tissue Resident Memory Cells in Lesional Skin of Patients with Psoriasis and in Healthy Skin of Healthy Volunteers. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182111251. [PMID: 34769769 PMCID: PMC8582754 DOI: 10.3390/ijerph182111251] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/22/2021] [Accepted: 10/24/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND In the course of plaque psoriasis, tissue resident memory cells (TRM) are responsible for the phenomenon of "immune memory" of lesions, i.e., the appearance of recurrences of lesions in the same location, as well as Koebner phenomenon. We present results determining the location and amount of TRM in psoriatic lesions in patients suffering from plaque psoriasis, as well as an analysis of the relationship between TRM markers expression and the duration and severity of the disease. METHODS TRM markers (CD4, CD8, CD103, CD69, CD49, CXCR6) and tissue expression of cytokines (IL-17, IL-22) in the lesional psoriatic skin of 32 patients compared with 10 healthy skin samples were evaluated by immunohistochemistry. RESULTS The presence of TRM markers in both the epidermis and skin with psoriatic eruptions was demonstrated in much higher amounts compared with the skin of healthy volunteers. A significant positive relationship was demonstrated between the expression of TRM markers in patients with plaque psoriasis and the duration of skin lesions. There was no relationship between the amount of TRM and the severity of plaque psoriasis. CONCLUSIONS A thorough understanding of the mechanisms responsible for the development and relapse of plaque psoriasis may contribute to the implementation of more effective therapies.
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Martins C, Migayron L, Drullion C, Jacquemin C, Lucchese F, Rambert J, Merhi R, Michon P, Taieb A, Rezvani HR, de Rinaldis E, Seneschal J, Boniface K. Vitiligo skin T cells are prone to produce type 1- and type 2-cytokines to induce melanocyte dysfunction and epidermal inflammatory response through JAK signaling. J Invest Dermatol 2021; 142:1194-1205.e7. [PMID: 34655610 DOI: 10.1016/j.jid.2021.09.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 08/27/2021] [Accepted: 09/06/2021] [Indexed: 10/20/2022]
Abstract
Vitiligo is a T cell-mediated inflammatory skin disorder characterized by the loss of epidermal melanocytes. However, the contribution of melanocytes to the physiopathology of the disease in response to the T cell microenvironment remains unclear. Here, using NanoString technology and multiplex ELISA, we show that active vitiligo perilesional skin is characterized by prominent type 1 and 2 associated immune responses. The vitiligo skin T cell secretome downregulated melanocyte function and adhesion, while increasing melanocyte mitochondrial metabolism and expression of inflammatory cytokines and chemokines by epidermal cells. The JAK1/2 inhibitor ruxolitinib strongly inhibited such effects on epidermal cells. Our data highlight that vitiligo is more complex than previously thought with prominent combined activities of both Th1- and Th2-related cytokines inducing inflammatory responses of epidermal cells. Melanocytes do not appear only to be a target of T cells in vitiligo but could actively contribute to perpetuate inflammation. JAK inhibitors could prevent the impact of T cells on epidermal cells and pigmentation, highlighting their potential clinical benefit in vitiligo.
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Affiliation(s)
| | - Laure Migayron
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France; R&D Department, SILAB, Brive-la-Gaillarde, France
| | - Claire Drullion
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France
| | | | | | | | - Ribal Merhi
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France
| | - Pauline Michon
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France
| | - Alain Taieb
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France; Department of Dermatology and Pediatric Dermatology; National Reference Center for Rare Skin Disorders, Hôpital Saint-André, Bordeaux, France
| | - Hamid-Reza Rezvani
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France; AQUIDERM, University of Bordeaux
| | - Emanuele de Rinaldis
- Sanofi Immunology and Inflammation Research Therapeutic Area, Precision Immunology Cluster, Cambridge, MA, 02139, USA
| | - Julien Seneschal
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France; Department of Dermatology and Pediatric Dermatology; National Reference Center for Rare Skin Disorders, Hôpital Saint-André, Bordeaux, France
| | - Katia Boniface
- Univ. Bordeaux, INSERM, BMGIC, U1035, F-33000 Bordeaux, France.
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Skin-Resident Memory T Cells: Pathogenesis and Implication for the Treatment of Psoriasis. J Clin Med 2021; 10:jcm10173822. [PMID: 34501272 PMCID: PMC8432106 DOI: 10.3390/jcm10173822] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/20/2021] [Accepted: 08/21/2021] [Indexed: 02/06/2023] Open
Abstract
Tissue-resident memory T cells (TRM) stay in the peripheral tissues for long periods of time, do not recirculate, and provide the first line of adaptive immune response in the residing tissues. Although TRM originate from circulating T cells, TRM are physiologically distinct from circulating T cells with the expression of tissue-residency markers, such as CD69 and CD103, and the characteristic profile of transcription factors. Besides defense against pathogens, the functional skew of skin TRM is indicated in chronic skin inflammatory diseases. In psoriasis, IL-17A-producing CD8+ TRM are regarded as one of the pathogenic populations in skin. Although no licensed drugs that directly and specifically inhibit the activity of skin TRM are available to date, psoriatic skin TRM are affected in the current treatments of psoriasis. Targeting skin TRM or using TRM as a potential index for disease severity can be an attractive strategy in psoriasis.
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Schunkert EM, Shah PN, Divito SJ. Skin Resident Memory T Cells May Play Critical Role in Delayed-Type Drug Hypersensitivity Reactions. Front Immunol 2021; 12:654190. [PMID: 34497600 PMCID: PMC8419326 DOI: 10.3389/fimmu.2021.654190] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 08/06/2021] [Indexed: 12/31/2022] Open
Abstract
Delayed-type drug hypersensitivity reactions (dtDHR) are immune-mediated reactions with skin and visceral manifestations ranging from mild to severe. Clinical care is negatively impacted by a limited understanding of disease pathogenesis. Though T cells are believed to orchestrate disease, the type of T cell and the location and mechanism of T cell activation remain unknown. Resident memory T cells (TRM) are a unique T cell population potentially well situated to act as key mediators in disease pathogenesis, but significant obstacles to defining, identifying, and testing TRM in dtDHR preclude definitive conclusions at this time. Deeper mechanistic interrogation to address these unanswered questions is necessary, as involvement of TRM in disease has significant implications for prediction, diagnosis, and treatment of disease.
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Bakker DS, van der Wal MM, Heeb LE, Giovannone B, Asamoah M, Delemarre EM, Drylewicz J, Nierkens S, Boyman O, de Bruin-Weller MS, Thijs JL, van Wijk F. Early and Long-Term Effects of Dupilumab Treatment on Circulating T-Cell Functions in Patients with Moderate-to-Severe Atopic Dermatitis. J Invest Dermatol 2021; 141:1943-1953.e13. [DOI: 10.1016/j.jid.2021.01.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 12/21/2020] [Accepted: 01/11/2021] [Indexed: 12/16/2022]
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Dinshaw IJ, Ahmad N, Salim N, Leo BF. Nanoemulsions: A Review on the Conceptualization of Treatment for Psoriasis Using a 'Green' Surfactant with Low-Energy Emulsification Method. Pharmaceutics 2021; 13:1024. [PMID: 34371716 PMCID: PMC8309190 DOI: 10.3390/pharmaceutics13071024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 12/13/2022] Open
Abstract
Psoriasis is a skin disease that is not lethal and does not spread through bodily contact. However, this seemingly harmless condition can lead to a loss of confidence and social stigmatization due to a persons' flawed appearance. The conventional methods of psoriasis treatment include taking in systemic drugs to inhibit immunoresponses within the body or applying topical drugs onto the surface of the skin to inhibit cell proliferation. Topical methods are favored as they pose lesser side effects compared to the systemic methods. However, the side effects from systemic drugs and low bioavailability of topical drugs are the limitations to the treatment. The use of nanotechnology in this field has enhanced drug loading capacity and reduced dosage size. In this review, biosurfactants were introduced as a 'greener' alternative to their synthetic counterparts. Glycolipid biosurfactants are specifically suited for anti-psoriatic application due to their characteristic skin-enhancing qualities. The selection of a suitable oil phase can also contribute to the anti-psoriatic effect as some oils have skin-healing properties. The review covers the pathogenic pathway of psoriasis, conventional treatments, and prospective ingredients to be used as components in the nanoemulsion formulation. Furthermore, an insight into the state-of-the-art methods used in formulating nanoemulsions and their progression to low-energy methods are also elaborated in detail.
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Affiliation(s)
- Ignatius Julian Dinshaw
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Noraini Ahmad
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Norazlinaliza Salim
- Integrated Chemical Biophysics Research, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Bey Fen Leo
- Nanotechnology & Catalysis Research Centre (NANOCAT), Institute of Advanced Studies, University of Malaya, Kuala Lumpur 50603, Malaysia;
- Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
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Abstract
PURPOSE OF REVIEW The clinical overlap between spondyloarthritis (SpA) and inflammation of barrier tissues such as the intestine and skin indicates a role of barrier tissue immunity in the development of SpA. Herein, we review the recent advances in understanding lymphocyte populations and functions within the intestine and skin implicated in the pathophysiology of SpA. RECENT FINDINGS A number of unique lymphocyte populations have been identified to be expanded within the gut and skin of patients with SpA, including γδ T cells, mucosa-associated invariant T (MAIT) cells, innate lymphoid cells (ILCs) and T resident memory (TRM) cells. These cells respond to microbial cues at their barrier surface causing cellular activation and generation of interleukin (IL)-17, which is hypothesized to be the mechanism by which they contribute to SpA pathogenesis. SUMMARY Understanding how unique lymphocyte populations expand and produce IL-17 in the development of SpA provides insights into the pathophysiology of this disease as well as potential future therapeutic avenues.
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Phadungsaksawasdi P, Fujiyama T, Kurihara K, Ito T, Honda T, Tokura Y. PD-1 Expression Defines Epidermal CD8 +CD103 + T Cells Preferentially Producing IL-17A and Using Skewed TCR Repertoire in Psoriasis. J Invest Dermatol 2021; 141:2426-2435.e5. [PMID: 33845077 DOI: 10.1016/j.jid.2021.03.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 03/12/2021] [Accepted: 03/12/2021] [Indexed: 11/17/2022]
Abstract
In psoriasis, CD8+CD103+ memory T cells residing in the epidermis represent an effector population capable of maintaining the condition and driving a recurrence of the disease. Tissue-infiltrating CD8+ T cells expressing PD-1 are regarded as antigen-primed effector cells in others chronic inflammatory diseases. However, the expression and significance of PD-1 on skin-infiltrating CD8+ T cells in human psoriasis is not known. By analyzing skin-infiltrating T cells from human psoriasis, we found that active psoriatic epidermis contained PD-1 expressing CD8+CD103+ T cells that correlated with the disease severity and histopathology. PD-1+CD8+CD103+ T cells possessed a canonical psoriasis-specific resident memory phenotype with IL-23R expression and produced IL-17A, whereas PD-1-CD8+CD103+ T cells preferentially produced IFN-γ. The diversity of skin-infiltrating T cells was dominated by CD4+ T cells, while CD8+ T cells, especially CD8+CD103+T cells, represented an oligoclonal population in active psoriasis. In addition, PD-1+CD8+CD103+T cells used different TCR Vβs from PD-1-CD8+CD103+T cells counterpart. In the early resolved lesion, the composition and functional status of PD-1+CD8+CD103+T cells were markedly altered, while PD-1-CD8+CD103+ T cells population was minimally changed. Collectively, PD-1 expression delineates a putative pathogenic subset of epidermal CD8+CD103+ T cells, which possibly play a role in psoriasis pathogenesis.
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Affiliation(s)
| | - Toshiharu Fujiyama
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Kazuo Kurihara
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Taisuke Ito
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Tetsuya Honda
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Yoshiki Tokura
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan; Allergic Disease Research Center, Chutoen General Medical Center, Kakegawa, Japan.
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50
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Landeck L, Sabat R, Ghoreschi K, Man XY, Fuhrmeister K, Gonzalez-Martinez E, Asadullah K. Immunotherapy in psoriasis. Immunotherapy 2021; 13:605-619. [PMID: 33820446 DOI: 10.2217/imt-2020-0292] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Over the past two decades, significant progress has been achieved in the treatment of psoriasis by targeting the human cytokine network. At present, 11 biologicals - antibodies, and a soluble receptor - are used to neutralize key inflammatory cytokines. Based on their targets, they can be grouped into the following four classes: TNF-α-, IL-12/23-, IL-17- and IL-23-inhibitors. The range of available substances, as well as their different modes of action can be challenging when selecting the right drug for an individual patient. In this article, we provide an overview of the approved biologicals for the treatment of psoriasis, including their advantages and limitations, and summarize criteria for therapy selection.
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Affiliation(s)
- Lilla Landeck
- Department of Dermatology, Ernst von Bergmann General Hospital, Potsdam 14467, Germany
| | - Robert Sabat
- Psoriasis Research & Treatment Center, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Kamran Ghoreschi
- Department of Dermatology, Venereology & Allergology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Xiao-Yong Man
- Department of Dermatology & Venereology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | | | | | - Khusru Asadullah
- Department of Dermatology, Venereology & Allergology, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Practice for Dermatology & Immunology, Potsdam, Germany
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