The Challenges of Identifying Environmental Determinants of Type 1 Diabetes: In Search of the Holy Grail.

epidemiology risk factors type 1 diabetes

Journal

Diabetes, metabolic syndrome and obesity : targets and therapy
ISSN: 1178-7007
Titre abrégé: Diabetes Metab Syndr Obes
Pays: New Zealand
ID NLM: 101515585

Informations de publication

Date de publication:
2020
Historique:
received: 01 08 2020
accepted: 15 10 2020
entrez: 17 12 2020
pubmed: 18 12 2020
medline: 18 12 2020
Statut: epublish

Résumé

Type 1 diabetes is the result of autoimmune-mediated destruction and inflammation of the insulin-producing β-cells of the pancreas. The excess morbidity and mortality from its complications coupled with its increasing incidence emphasize the importance to better understand the etiology of this condition. It has a strong genetic component, but a genetic predisposition is not the sole contributor to disease development as only 30% to 50% of identical twins both develop the disease. In addition, there are multiple lines of evidence to support that environmental factors contribute to the pathogenesis of type 1 diabetes. Environmental risk factors that have been proposed include infections, dietary factors, air pollution, vaccines, location of residence, childhood obesity, family environment and stress. Researchers have conducted many observational studies to identify and characterize these potential environmental factors, but findings have been inconsistent or inconclusive. Many studies have had inherent methodological issues in recruitment, participation, defining cases and exposures, and/or data analysis which may limit the interpretability of findings. Identifying and addressing these limitations may allow for greatly needed advances in our understanding of type 1 diabetes. As such, the purpose of this article is to review and discuss the limitations of observational studies that aim to determine environmental risk factors for type 1 diabetes and propose recommendations to overcome them.

Identifiants

pubmed: 33328748
doi: 10.2147/DMSO.S275080
pii: 275080
pmc: PMC7734044
doi:

Types de publication

Journal Article Review

Langues

eng

Pagination

4885-4895

Informations de copyright

© 2020 Butalia et al.

Déclaration de conflit d'intérêts

The authors report no conflicts of interest for this work.

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Auteurs

Sonia Butalia (S)

Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
O'Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

Gilaad G Kaplan (GG)

Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
O'Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

Bushra Khokhar (B)

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

Sydney Haubrich (S)

Ward of the 21st Century, University of Calgary, Calgary, Alberta, Canada.

Doreen M Rabi (DM)

Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
O'Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Department of Cardiac Sciences, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada.

Classifications MeSH