Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis

Psoriatic arthritis (PsA) is characterized by delays in diagnosis and modest effect of treatment in terms of joint response. An understanding of molecular pathomechanisms may aid in developing diagnostic and prognostic models. Genetic susceptibility (e.g., HLA class I genes, IL-23-related genes) can...

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Main Author: Bogdan Batko
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Journal of Clinical Medicine
Subjects:
Online Access:https://www.mdpi.com/2077-0383/10/24/5926
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author Bogdan Batko
author_facet Bogdan Batko
author_sort Bogdan Batko
collection DOAJ
description Psoriatic arthritis (PsA) is characterized by delays in diagnosis and modest effect of treatment in terms of joint response. An understanding of molecular pathomechanisms may aid in developing diagnostic and prognostic models. Genetic susceptibility (e.g., HLA class I genes, IL-23-related genes) can be responsible for the pattern of psoriatic manifestations and affinity for tissue involvement. Gene expression analysis indicates an inflammatory profile that is distinct for PsA, but disparate across tissues. This has clinical implications, as for example, dual blockade of IL-17A and IL-17F can lead to superior clinical effects if there is differential expression of IL-17 receptors in tissues. Structural and functional impairment of barrier tissue, including host-microbiome interactions, may be the source of immune activation. Interplay between different cell populations of innate and adaptive immunity is emerging, potentially providing a link between the transition of skin-to-joint disease. Th17 subsets, IL-17A, IL-17F and IL-23 are crucial in PsA pathogenesis, with both clinical and experimental evidence suggesting a differential molecular landscape in cutaneous and articular compartments.
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spelling doaj.art-bc9c3ae871914175b5653c3fff65bfcb2023-11-23T08:58:13ZengMDPI AGJournal of Clinical Medicine2077-03832021-12-011024592610.3390/jcm10245926Exploring the Diverse Immune and Genetic Landscape of Psoriatic ArthritisBogdan Batko0Department of Rheumatology and Immunology, Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski University, 30-705 Krakow, PolandPsoriatic arthritis (PsA) is characterized by delays in diagnosis and modest effect of treatment in terms of joint response. An understanding of molecular pathomechanisms may aid in developing diagnostic and prognostic models. Genetic susceptibility (e.g., HLA class I genes, IL-23-related genes) can be responsible for the pattern of psoriatic manifestations and affinity for tissue involvement. Gene expression analysis indicates an inflammatory profile that is distinct for PsA, but disparate across tissues. This has clinical implications, as for example, dual blockade of IL-17A and IL-17F can lead to superior clinical effects if there is differential expression of IL-17 receptors in tissues. Structural and functional impairment of barrier tissue, including host-microbiome interactions, may be the source of immune activation. Interplay between different cell populations of innate and adaptive immunity is emerging, potentially providing a link between the transition of skin-to-joint disease. Th17 subsets, IL-17A, IL-17F and IL-23 are crucial in PsA pathogenesis, with both clinical and experimental evidence suggesting a differential molecular landscape in cutaneous and articular compartments.https://www.mdpi.com/2077-0383/10/24/5926psoriatic arthritisinflammationinterleukin-17interleukin-23pathomechanismmodulation
spellingShingle Bogdan Batko
Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis
Journal of Clinical Medicine
psoriatic arthritis
inflammation
interleukin-17
interleukin-23
pathomechanism
modulation
title Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis
title_full Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis
title_fullStr Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis
title_full_unstemmed Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis
title_short Exploring the Diverse Immune and Genetic Landscape of Psoriatic Arthritis
title_sort exploring the diverse immune and genetic landscape of psoriatic arthritis
topic psoriatic arthritis
inflammation
interleukin-17
interleukin-23
pathomechanism
modulation
url https://www.mdpi.com/2077-0383/10/24/5926
work_keys_str_mv AT bogdanbatko exploringthediverseimmuneandgeneticlandscapeofpsoriaticarthritis