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Genetics and Epigenetics of Atopic Dermatitis: An Updated Systematic Review.

ABSTRACT: BACKGROUND:Atopic dermatitis is a common inflammatory skin disorder that affects up to 15-20% of the population and is characterized by recurrent eczematous lesions with intense itching. As a heterogeneous disease, multiple factors have been suggested to explain the nature of atopic dermatitis (AD), and its high prevalence makes it necessary to periodically compile and update the new information available. In this systematic review, the focus is set at the genetic and epigenetic studies carried out in the last years. METHODS:A systematic literature review was conducted in three scientific publication databases (PubMed, Cochrane Library, and Scopus). The search was restricted to publications indexed from July 2016 to December 2019, and keywords related to atopic dermatitis genetics and epigenetics were used. RESULTS:A total of 73 original papers met the inclusion criteria established, including 9 epigenetic studies. A total of 62 genes and 5 intergenic regions were described as associated with AD. CONCLUSION:Filaggrin (FLG) polymorphisms are confirmed as key genetic determinants for AD development, but also epigenetic regulation and other genes with functions mainly related to the immune system and extracellular matrix, reinforcing the notion of skin homeostasis breakage in AD.

SUBMITTER: Martin MJ

PROVIDER: S-EPMC7231115 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Genetics and Epigenetics of Atopic Dermatitis: An Updated Systematic Review.

Martin Maria J MJ Estravís Miguel M García-Sánchez Asunción A Dávila Ignacio I Isidoro-García María M Sanz Catalina C

Genes 20200418 4

<h4>Background</h4>Atopic dermatitis is a common inflammatory skin disorder that affects up to 15-20% of the population and is characterized by recurrent eczematous lesions with intense itching. As a heterogeneous disease, multiple factors have been suggested to explain the nature of atopic dermatitis (AD), and its high prevalence makes it necessary to periodically compile and update the new information available. In this systematic review, the focus is set at the genetic and epigenetic studies ...[more]

PMID: 32325630

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Project description:BackgroundNumerous therapies have recently emerged for treatment of patients with atopic dermatitis (AD), a common skin disease, and understanding their cost-effectiveness is of high importance for policy makers. This systematic literature review (SLR) aimed to provide an overview of full economic evaluations that assessed cost-effectiveness of emerging AD treatments.MethodsThe SLR was conducted in Medline, Embase, UK National Health Service Economic Evaluation Database and EconLit. Reports published by the National Institute for Health and Care Excellence, the Institute for Clinical and Economic Review and the Canadian Agency for Drugs and Technologies in Health were manually searched. Economic evaluations published from 2017 to September 2022 that compared emerging AD treatments with any comparator were included. Quality assessment was conducted by using the Consensus on Health Economic Criteria list.ResultsA total of 1333 references were screened after removing duplicates. Among those references, 15 that conducted a total of 24 comparisons were included. Most studies were from the USA, UK or Canada. Seven different emerging treatments were compared, mostly with usual care. In 15 comparisons (63%), the emerging treatment was cost-effective, and 11 out of 14 dupilumab comparisons (79%) reported that dupilumab was cost-effective. Upadacitinib was the only emerging therapy that was never classified as cost-effective. On average, 13 out of 19 quality criteria (68%) per reference were rated as fulfilled while manuscripts and health technology reports received generally higher quality assessment scores than published abstracts.DiscussionThis study revealed some discrepancies in the cost-effectiveness of emerging therapies for AD. A variety of designs and guidelines made comparison difficult. Therefore, we recommend that future economic evaluations use more similar modelling approaches to improve comparability of results.OthersThe protocol was published in PROSPERO (ID: CRD42022343993).

Dataset Information

Genetics and Epigenetics of Atopic Dermatitis: An Updated Systematic Review.

Publications

Genetics and Epigenetics of Atopic Dermatitis: An Updated Systematic Review.

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