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Kiełbowski K, Bakinowska E, Bratborska AW, Pawlik A. The role of adipokines in the pathogenesis of psoriasis - a focus on resistin, omentin-1 and vaspin. Expert Opin Ther Targets 2024:1-14. [PMID: 38965991 DOI: 10.1080/14728222.2024.2375373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 06/28/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND Psoriasis is a chronic immune-mediated skin condition with several types of manifestation, including psoriatic arthritis. In recent years, studies have demonstrated multiple molecules and mechanisms that play important roles in the pathophysiology of psoriasis. Studies have been conducted to determine the role of adipokines, bioactive peptides secreted by the adipose tissue, in the pathogenesis of inflammatory diseases. These studies have shown that adipokines are dysregulated in psoriasis and their abnormal expression profile could contribute to the inflammatory mechanisms observed in psoriasis. AREAS COVERED In this review, we discuss the immunomodulatory features of resistin, omentin-1, and vaspin, and discuss their potential involvement in the pathogenesis of psoriasis. EXPERT OPINION The adipokines resistin, omentin, and vaspin appear to be promising therapeutic targets in psoriasis. It is important to seek to block the action of resistin, either by blocking its receptors or by blocking its systemic effects with antibodies. In the case of omentin and vaspin, substances that are receptor mimetics of these adipokines should be sought and studies conducted of their analogues for the treatment of psoriasis. To introduce these therapies into clinical practice, multicentre clinical trials are required to confirm their efficacy and safety after initial studies in animal models.
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Affiliation(s)
- Kajetan Kiełbowski
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
| | - Estera Bakinowska
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
| | | | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
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Richardson KC, Aubert A, Turner CT, Nabai L, Hiroyasu S, Pawluk MA, Cederberg RA, Zhao H, Jung K, Burleigh A, Crawford RI, Granville DJ. Granzyme K mediates IL-23-dependent inflammation and keratinocyte proliferation in psoriasis. Front Immunol 2024; 15:1398120. [PMID: 38903528 PMCID: PMC11188347 DOI: 10.3389/fimmu.2024.1398120] [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: 03/08/2024] [Accepted: 05/17/2024] [Indexed: 06/22/2024] Open
Abstract
Psoriasis is an inflammatory disease with systemic manifestations that most commonly presents as itchy, erythematous, scaly plaques on extensor surfaces. Activation of the IL-23/IL-17 pro-inflammatory signaling pathway is a hallmark of psoriasis and its inhibition is key to clinical management. Granzyme K (GzmK) is an immune cell-secreted serine protease elevated in inflammatory and proliferative skin conditions. In the present study, human psoriasis lesions exhibited elevated GzmK levels compared to non-lesional psoriasis and healthy control skin. In an established murine model of imiquimod (IMQ)-induced psoriasis, genetic loss of GzmK significantly reduced disease severity, as determined by delayed plaque formation, decreased erythema and desquamation, reduced epidermal thickness, and inflammatory infiltrate. Molecular characterization in vitro revealed that GzmK contributed to macrophage secretion of IL-23 as well as PAR-1-dependent keratinocyte proliferation. These findings demonstrate that GzmK enhances IL-23-driven inflammation as well as keratinocyte proliferation to exacerbate psoriasis severity.
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Affiliation(s)
- Katlyn C. Richardson
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Alexandre Aubert
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Christopher T. Turner
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Layla Nabai
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Sho Hiroyasu
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Megan A. Pawluk
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Rachel A. Cederberg
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Integrative Oncology Department, British Columbia (BC) Cancer Research Centre, Vancouver, BC, Canada
| | - Hongyan Zhao
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Karen Jung
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Angela Burleigh
- Department of Dermatology and Skin Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Richard I. Crawford
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Dermatology and Skin Sciences, University of British Columbia, Vancouver, BC, Canada
| | - David J. Granville
- International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Professional Firefighters’ Burn and Wound Healing Group, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
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Mohamad J, Sarig O, Malki L, Rabinowitz T, Assaf S, Malovitski K, Shkury E, Mayer T, Vodo D, Peled A, Daniely D, Pavlovsky M, Shomron N, Samuelov L, Sprecher E. Loss-of-Function Variants in SERPINA12 Underlie Autosomal Recessive Palmoplantar Keratoderma. J Invest Dermatol 2020; 140:2178-2187. [PMID: 32247861 DOI: 10.1016/j.jid.2020.02.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 02/09/2020] [Accepted: 02/16/2020] [Indexed: 12/14/2022]
Abstract
Inherited palmoplantar keratodermas refer to a large and heterogeneous group of conditions resulting from abnormal epidermal differentiation and featuring thickening of the skin of the palms and soles. Here, we aimed at delineating the genetic basis of an autosomal recessive form of palmoplantar keratodermas manifesting with erythematous hyperkeratotic plaques over the palms and soles, extending to non-palmoplantar areas. Whole-exome sequencing in affected individuals revealed homozygous nonsense variants in the SERPINA12 gene. SERPINA12 encodes the visceral adipose tissue-derived serpin A12, a serine protease inhibitor. The pathogenic variants were found to result in reduced visceral adipose tissue-derived serpin A12 expression in patients' skin biopsies in comparison to healthy controls. In addition, SERPINA12 downregulation in three-dimensional skin equivalents was associated with marked epidermal acanthosis and hyperkeratosis, replicating the human phenotype. Moreover, decreased SERPINA12 expression resulted in reduced visceral adipose tissue-derived serpin A12-mediated inhibition of kallikrein 7 activity as well as decreased levels of desmoglein-1 and corneodesmosin, two known kallikrein 7 substrates, which are required for normal epidermal differentiation. The present data, taken collectively, demarcate a unique type of autosomal recessive palmoplantar keratodermas, attribute to visceral adipose tissue-derived serpin A12 a role in skin biology, and emphasize the importance of mechanisms regulating proteolytic activity for normal epidermal differentiation.
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Affiliation(s)
- Janan Mohamad
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ofer Sarig
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Liron Malki
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tom Rabinowitz
- Department of Cell and Developmental Biology, Tel Aviv University, Ramat Aviv, Israel
| | - Sari Assaf
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Kiril Malovitski
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eden Shkury
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Talia Mayer
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Dan Vodo
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Alon Peled
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Daniel Daniely
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Mor Pavlovsky
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Noam Shomron
- Department of Cell and Developmental Biology, Tel Aviv University, Ramat Aviv, Israel
| | - Liat Samuelov
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eli Sprecher
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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