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Murphy, R.* ; Colclough, K.* ; Pollin, T.I.* ; Ikle, J.M.* ; Svalastoga, P.* ; Maloney, K.A.* ; Saint-Martin, C.* ; Molnes, J.* ; Misra, S.* ; Aukrust, I.* ; de Franco, E.* ; Flanagan, S.E.* ; Njølstad, P.R.* ; Billings, L.K.* ; Owen, K.R.* ; ADA/EASD PMDI (Stefan, N.)

The use of precision diagnostics for monogenic diabetes: A systematic review and expert opinion.

Commun. Med. 3:136 (2023)
Publ. Version/Full Text DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
BACKGROUND: Monogenic diabetes presents opportunities for precision medicine but is underdiagnosed. This review systematically assessed the evidence for (1) clinical criteria and (2) methods for genetic testing for monogenic diabetes, summarized resources for (3) considering a gene or (4) variant as causal for monogenic diabetes, provided expert recommendations for (5) reporting of results; and reviewed (6) next steps after monogenic diabetes diagnosis and (7) challenges in precision medicine field. METHODS: Pubmed and Embase databases were searched (1990-2022) using inclusion/exclusion criteria for studies that sequenced one or more monogenic diabetes genes in at least 100 probands (Question 1), evaluated a non-obsolete genetic testing method to diagnose monogenic diabetes (Question 2). The risk of bias was assessed using the revised QUADAS-2 tool. Existing guidelines were summarized for questions 3-5, and review of studies for questions 6-7, supplemented by expert recommendations. Results were summarized in tables and informed recommendations for clinical practice. RESULTS: There are 100, 32, 36, and 14 studies included for questions 1, 2, 6, and 7 respectively. On this basis, four recommendations for who to test and five on how to test for monogenic diabetes are provided. Existing guidelines for variant curation and gene-disease validity curation are summarized. Reporting by gene names is recommended as an alternative to the term MODY. Key steps after making a genetic diagnosis and major gaps in our current knowledge are highlighted. CONCLUSIONS: We provide a synthesis of current evidence and expert opinion on how to use precision diagnostics to identify individuals with monogenic diabetes.
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Publication type Article: Journal article
Document type Review
Corresponding Author
ISSN (print) / ISBN 2730-664X
e-ISSN 2730-664X
Journal Communications Medicine
Quellenangaben Volume: 3, Issue: 1, Pages: , Article Number: 136 Supplement: ,
Publisher Springer
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Diabetes Research and Metabolic Diseases (IDM)
Grants Wellcome Trust