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García-Jiménez I, Sans-de San Nicolás L, Curto-Barredo L, Bertolín-Colilla M, Sensada-López E, Figueras-Nart I, Bonfill-Ortí M, Guilabert-Vidal A, Ryzhkova A, Ferran M, Damiani G, Czarnowicki T, Pujol RM, Santamaria-Babí LF. Heterogeneous IL-9 Production by Circulating Skin-Tropic and Extracutaneous Memory T Cells in Atopic Dermatitis Patients. Int J Mol Sci 2024; 25:8569. [PMID: 39201262 PMCID: PMC11354683 DOI: 10.3390/ijms25168569] [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: 07/09/2024] [Revised: 07/30/2024] [Accepted: 08/02/2024] [Indexed: 09/02/2024] Open
Abstract
Interleukin (IL)-9 is present in atopic dermatitis (AD) lesions and is considered to be mainly produced by skin-homing T cells expressing the cutaneous lymphocyte-associated antigen (CLA). However, its induction by AD-associated triggers remains unexplored. Circulating skin-tropic CLA+ and extracutaneous/systemic CLA- memory T cells cocultured with autologous lesional epidermal cells from AD patients were activated with house dust mite (HDM) and staphylococcal enterotoxin B (SEB). Levels of AD-related mediators in response to both stimuli were measured in supernatants, and the cytokine response was associated with different clinical characteristics. Both HDM and SEB triggered heterogeneous IL-9 production by CLA+ and CLA- T cells in a clinically homogenous group of AD patients, which enabled patient stratification into IL-9 producers and non-producers, with the former group exhibiting heightened HDM-specific and total IgE levels. Upon allergen exposure, IL-9 production depended on the contribution of epidermal cells and class II-mediated presentation; it was the greatest cytokine produced and correlated with HDM-specific IgE levels, whereas SEB mildly induced its release. This study demonstrates that both skin-tropic and extracutaneous memory T cells produce IL-9 and suggests that the degree of allergen sensitization reflects the varied IL-9 responses in vitro, which may allow for patient stratification in a clinically homogenous population.
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Affiliation(s)
- Irene García-Jiménez
- Immunologia Translacional, Departament de Biologia Cellular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona (UB), Parc Científic de Barcelona (PCB), 08028 Barcelona, Spain; (I.G.-J.)
| | - Lídia Sans-de San Nicolás
- Immunologia Translacional, Departament de Biologia Cellular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona (UB), Parc Científic de Barcelona (PCB), 08028 Barcelona, Spain; (I.G.-J.)
| | - Laia Curto-Barredo
- Departament de Dermatologia, Hospital del Mar, Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Universitat Autònoma de Barcelona (UAB), 08003 Barcelona, Spain
| | - Marta Bertolín-Colilla
- Departament de Dermatologia, Hospital del Mar, Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Universitat Autònoma de Barcelona (UAB), 08003 Barcelona, Spain
| | - Eloi Sensada-López
- Immunologia Translacional, Departament de Biologia Cellular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona (UB), Parc Científic de Barcelona (PCB), 08028 Barcelona, Spain; (I.G.-J.)
| | - Ignasi Figueras-Nart
- Departament de Dermatologia, Hospital de Bellvitge, Universitat de Barcelona (UB), 08907 L’Hospitalet de Llobregat, Spain
| | - Montserrat Bonfill-Ortí
- Departament de Dermatologia, Hospital de Bellvitge, Universitat de Barcelona (UB), 08907 L’Hospitalet de Llobregat, Spain
| | | | - Anna Ryzhkova
- Immunologia Translacional, Departament de Biologia Cellular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona (UB), Parc Científic de Barcelona (PCB), 08028 Barcelona, Spain; (I.G.-J.)
| | - Marta Ferran
- Departament de Dermatologia, Hospital del Mar, Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Universitat Autònoma de Barcelona (UAB), 08003 Barcelona, Spain
| | - Giovanni Damiani
- Italian Center of Precision Medicine and Chronic Inflammation Milan, 20122 Milan, Italy
- Department of Biomedical, Surgical and Dental Sciences, Faculty of Medicine and Surgery, University of Milan, 20122 Milan, Italy
| | - Tali Czarnowicki
- Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Ramon M. Pujol
- Departament de Dermatologia, Hospital del Mar, Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Universitat Autònoma de Barcelona (UAB), 08003 Barcelona, Spain
| | - Luis F. Santamaria-Babí
- Immunologia Translacional, Departament de Biologia Cellular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona (UB), Parc Científic de Barcelona (PCB), 08028 Barcelona, Spain; (I.G.-J.)
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Li Y, Zeng Y, Chen Z, Tan X, Mei X, Wu Z. The role of aryl hydrocarbon receptor in vitiligo: a review. Front Immunol 2024; 15:1291556. [PMID: 38361944 PMCID: PMC10867127 DOI: 10.3389/fimmu.2024.1291556] [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: 09/09/2023] [Accepted: 01/18/2024] [Indexed: 02/17/2024] Open
Abstract
Vitiligo is an acquired autoimmune dermatosis characterized by patchy skin depigmentation, causing significant psychological distress to the patients. Genetic susceptibility, environmental triggers, oxidative stress, and autoimmunity contribute to melanocyte destruction in vitiligo. Due to the diversity and complexity of pathogenesis, the combination of inhibiting melanocyte destruction and stimulating melanogenesis gives the best results in treating vitiligo. The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that can regulate the expression of various downstream genes and play roles in cell differentiation, immune response, and physiological homeostasis maintenance. Recent studies suggested that AhR signaling pathway was downregulated in vitiligo. Activation of AhR pathway helps to activate antioxidant pathways, inhibit abnormal immunity response, and upregulate the melanogenesis gene, thereby protecting melanocytes from oxidative stress damage, controlling disease progression, and promoting lesion repigmentation. Here, we review the relevant literature and summarize the possible roles of the AhR signaling pathway in vitiligo pathogenesis and treatment, to further understand the links between the AhR and vitiligo, and provide new potential therapeutic strategies.
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Affiliation(s)
- Yiting Li
- Department of Dermatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yibin Zeng
- Department of Dermatology, Minhang Hospital, Fudan University, Shanghai, China
| | - Zile Chen
- Department of Dermatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xi Tan
- Department of Dermatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xingyu Mei
- Department of Dermatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhouwei Wu
- Department of Dermatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Dhamija B, Marathe S, Sawant V, Basu M, Attrish D, Mukherjee D, Kumar S, Pai MGJ, Wad S, Sawant A, Nayak C, Venkatesh KV, Srivastava S, Barthel SR, Purwar R. IL-17A Orchestrates Reactive Oxygen Species/HIF1α-Mediated Metabolic Reprogramming in Psoriasis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:302-316. [PMID: 38019129 PMCID: PMC11100423 DOI: 10.4049/jimmunol.2300319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/20/2023] [Indexed: 11/30/2023]
Abstract
Immune cell-derived IL-17A is one of the key pathogenic cytokines in psoriasis, an immunometabolic disorder. Although IL-17A is an established regulator of cutaneous immune cell biology, its functional and metabolic effects on nonimmune cells of the skin, particularly keratinocytes, have not been comprehensively explored. Using multiomics profiling and systems biology-based approaches, we systematically uncover significant roles for IL-17A in the metabolic reprogramming of human primary keratinocytes (HPKs). High-throughput liquid chromatography-tandem mass spectrometry and nuclear magnetic resonance spectroscopy revealed IL-17A-dependent regulation of multiple HPK proteins and metabolites of carbohydrate and lipid metabolism. Systems-level MitoCore modeling using flux-balance analysis identified IL-17A-mediated increases in HPK glycolysis, glutaminolysis, and lipid uptake, which were validated using biochemical cell-based assays and stable isotope-resolved metabolomics. IL-17A treatment triggered downstream mitochondrial reactive oxygen species and HIF1α expression and resultant HPK proliferation, consistent with the observed elevation of these downstream effectors in the epidermis of patients with psoriasis. Pharmacological inhibition of HIF1α or reactive oxygen species reversed IL-17A-mediated glycolysis, glutaminolysis, lipid uptake, and HPK hyperproliferation. These results identify keratinocytes as important target cells of IL-17A and reveal its involvement in multiple downstream metabolic reprogramming pathways in human skin.
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Affiliation(s)
- Bhavuk Dhamija
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | - Soumitra Marathe
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | - Vinanti Sawant
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | - Moumita Basu
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | - Diksha Attrish
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | | | - Sushant Kumar
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | | | - Siddhi Wad
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
| | - Abhijeet Sawant
- Plastic Surgery Department, TNMC and BYL Nair Charitable Hospital, Mumbai, India
| | - Chitra Nayak
- Skin and Venereal Diseases Department, TNMC and BYL Nair Charitable Hospital, Mumbai, India
| | - KV Venkatesh
- Department of Chemical Engineering, IIT Bombay, Mumbai, India
| | | | - Steven R. Barthel
- Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Rahul Purwar
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, India
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Yang J, Su J, Chai K, Liu H. The role of Th9 CD4 + T cells and IL-9 during primary Sjogren's syndrome. J Clin Lab Anal 2022; 36:e24646. [PMID: 35944186 PMCID: PMC9459269 DOI: 10.1002/jcla.24646] [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: 11/11/2021] [Revised: 07/04/2022] [Accepted: 07/26/2022] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVE The objective of this study is to investigate the expression levels of Th9 CD4+ T cells and IL-9 secretion in peripheral blood mononuclear cells of patients with primary Sjogren's syndrome. Further, this study aimed to investigate the role of Th9 cells in the occurrence and development of pSS. METHODS A total of 20 pSS patients and 20 healthy people, matched with age and gender, were selected as the experimental and control group, respectively. Flow cytometry and ELISA were used to detect the expression of Th9 cytokines in peripheral blood mononuclear cells and IL-9 in serum, respectively. These factors were then correlated to other clinical indicators. RESULTS The levels of Th9 CD4+ T cells and IL-9 of pSS patients were significantly higher than those of the control group. Th9 CD4+ T cells and IL-9 levels in peripheral blood of pSS patients were negatively correlated with salivary flow rate, while IL-9 level was positively correlated with globulin. The transcription levels of IL-9 and immune-related genes including IL-4, IL-7, IL-17, SMAD3, STAT5 and JAK3 were dramatically increased in serum of pSS patients. CONCLUSION The expression levels of Th9 in peripheral blood and serum IL-9 of patients with pSS were significantly increased, which were correlated with clinical immunological indexes. Together, these data suggest that Th9 cells and IL-9 may be involved in the pathogenesis of pSS.
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Affiliation(s)
- Jie Yang
- Department of Rheumatology, Qinghai University Affiliated Hospital, Xining, China
| | - Juan Su
- Department of Rheumatology, Qinghai University Affiliated Hospital, Xining, China
| | - Kexia Chai
- Department of Rheumatology, Qinghai University Affiliated Hospital, Xining, China
| | - Huihui Liu
- Department of Rheumatology, Qinghai University Affiliated Hospital, Xining, China
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Kortekaas Krohn I, Aerts JL, Breckpot K, Goyvaerts C, Knol E, Van Wijk F, Gutermuth J. T-cell subsets in the skin and their role in inflammatory skin disorders. Allergy 2022; 77:827-842. [PMID: 34559894 DOI: 10.1111/all.15104] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/11/2021] [Indexed: 12/20/2022]
Abstract
T lymphocytes (T cells) are major players of the adaptive immune response. Naive T cells are primed in the presence of cytokines, leading to polarization into distinct T-cell subsets with specific functions. These subsets are classified based on their T-cell receptor profile, expression of transcription factors, surface cytokine and chemokine receptors, and their cytokine production, which together determine their specific function. This review provides an overview of the various T-cell subsets and their function in several inflammatory skin disorders ranging from allergic inflammation to skin tumors. Moreover, we highlight similarities of T-cell responses across different skin disorders, demonstrating the presence of similar and opposing functions for the different T-cell subsets. Finally, we discuss the effects of currently available and promising therapeutic approaches to harness T cells in inflammatory skin diseases for which efficacy next to unwanted side effects provide new insights into the pathophysiology of skin disorders.
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Affiliation(s)
- Inge Kortekaas Krohn
- Vrije Universiteit Brussel (VUB)Skin Immunology & Immune Tolerance (SKIN) Research Group Brussels Belgium
- Vrije Universiteit Brussel (VUB)Universitair Ziekenhuis Brussel (UZ Brussel)Department of DermatologyUniversitair Ziekenhuis Brussel Brussels Belgium
| | - Joeri L. Aerts
- Vrije Universiteit Brussel (VUB)Neuro‐Aging and Viro‐Immunotherapy (NAVI) Research Group Brussels Belgium
| | - Karine Breckpot
- Vrije Universiteit Brussel (VUB)Laboratory for Molecular and Cellular Therapy (LMCT)Department of Biomedical Sciences Brussels Belgium
| | - Cleo Goyvaerts
- Vrije Universiteit Brussel (VUB)Laboratory for Molecular and Cellular Therapy (LMCT)Department of Biomedical Sciences Brussels Belgium
| | - Edward Knol
- Center for Translational Immunology University Medical Center Utrecht Utrecht The Netherlands
- Department Dermatology/Allergology University Medical Center Utrecht Utrecht The Netherlands
| | - Femke Van Wijk
- Center for Translational Immunology University Medical Center Utrecht Utrecht The Netherlands
| | - Jan Gutermuth
- Vrije Universiteit Brussel (VUB)Skin Immunology & Immune Tolerance (SKIN) Research Group Brussels Belgium
- Vrije Universiteit Brussel (VUB)Universitair Ziekenhuis Brussel (UZ Brussel)Department of DermatologyUniversitair Ziekenhuis Brussel Brussels Belgium
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Eid A, Issa Y, Mohamed A, Badran F. Interleukin-9 and soluble tumor necrosis factor-like weak inducer of apoptosis in serum and suction blister fluid of nonsegmental vitiligo patients: Relation to disease severity. DERMATOL SIN 2021. [DOI: 10.4103/ds.ds_44_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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