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Using functional genomics to advance the understanding of psoriatic arthritis

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Using functional genomics to advance the understanding of psoriatic arthritis

Rheumatology Oxford Journal

Fecha de publicación: 10 August 2020

DOI: https://doi.org/10.1093/rheumatology/keaa283

Autores: Chenfu Shi, Magnus Rattray, Anne Barton, John Bowes, Gisela Orozco

Background: Psoriatic arthritis (PsA) is a complex disease where susceptibility is determined by genetic and environmental risk factors. Clinically, PsA involves inflammation of the joints and the skin, and, if left untreated, results in irreversible joint damage. There is currently no cure and the few treatments available to alleviate symptoms do not work in all patients. Over the past decade, genome-wide association studies (GWAS) have uncovered a large number of disease-associated loci but translating these findings into functional mechanisms and novel targets for therapeutic use is not straightforward. Most variants have been predicted to affect primarily long-range regulatory regions such as enhancers. There is now compelling evidence to support the use of chromatin conformation analysis methods to discover novel genes that can be affected by disease-associated variants. Here, we will review the studies published in the field that have given us a novel understanding of gene regulation in the context of functional genomics and how this relates to the study of PsA and its underlying disease mechanism. 

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