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Untangling the genetics of beta cell dysfunction and death in type 1 diabetes

par Robertson, Catherine C.C.;Elgamal, Ruth R.M.;Henry-Kanarek, Belle B.A.;Arvan, Peter;Chen, Shuibing;Dhawan, Sangeeta;Eizirik, Decio L. ;Kaddis, John J.S.;Vahedi, Golnaz;Parker, Stephen G;Gaulton, Kyle K.J.;Soleimanpour, Scott S.A.
Référence Molecular metabolism, 86, 101973
Publication Publié, 2024-08

Article révisé par les pairs

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Résumé :

Background: Type 1 diabetes (T1D) is a complex multi-system disease which arises from both environmental and genetic factors, resulting in the destruction of insulin-producing pancreatic beta cells. Over the past two decades, human genetic studies have provided new insight into the etiology of T1D, including an appreciation for the role of beta cells in their own demise. Scope of Review: Here, we outline models supported by human genetic data for the role of beta cell dysfunction and death in T1D. We highlight the importance of strong evidence linking T1D genetic associations to bona fide candidate genes for mechanistic and therapeutic consideration. To guide rigorous interpretation of genetic associations, we describe molecular profiling approaches, genomic resources, and disease models that may be used to construct variant-to-gene links and to investigate candidate genes and their role in T1D. Major Conclusions: We profile advances in understanding the genetic causes of beta cell dysfunction and death at individual T1D risk loci. We discuss how genetic risk prediction models can be used to address disease heterogeneity. Further, we present areas where investment will be critical for the future use of genetics to address open questions in the development of new treatment and prevention strategies for T1D.