SLC30A8

A complex road from association to function

Jason Flannick*, William L Lowe Jr

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

One of the more compelling common variants associated with type 2 diabetes (T2D) in the initial wave of genome-wide association studies was a missense variant (rs13266634, p.Trp325Arg) in SLC30A8, a gene that encodes a zinc transporter (ZnT8) expressed primarily in pancreatic islets. This widely replicated association, together with the importance of ZnT8 in the process of zinc transport into insulin secretory granules, provided a potentially straightforward path toward insight into T2D pathogenesis. However, since this initial observation, the path from association to function for SLC30A8 has been far from straightforward. In this chapter, we review (a) the initial genetic evidence that identified variation in SLC30A8 as a risk factor for T2D, (b) the biological function of its protein product (ZnT8), (c) associations between SLC30A8 variation and other diabetes-related intermediate phenotypes, (d) experiments to discern the mechanism whereby perturbation of ZnT8 influences T2D risk, and (e) recent results from large-scale sequencing and genotyping to identify a broader allelic series within SLC30A8. Although both genetic and experimental evidences point to clear link between altered SLC30A8 function and T2D in human populations, the specific mechanism of pathogenesis is still far from clear.

Original languageEnglish (US)
Title of host publicationThe Genetics of Type 2 Diabetes and Related Traits
Subtitle of host publicationBiology, Physiology and Translation
PublisherSpringer International Publishing
Pages379-401
Number of pages23
ISBN (Electronic)9783319015743
ISBN (Print)9783319015736
DOIs
StatePublished - Jan 1 2016

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Medical problems
Type 2 Diabetes Mellitus
Genes
Genome-Wide Association Study
Secretory Vesicles
Islets of Langerhans
Zinc
Observation
Insulin
Phenotype
Population
Proteins
Experiments

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Flannick, J., & Lowe Jr, W. L. (2016). SLC30A8: A complex road from association to function. In The Genetics of Type 2 Diabetes and Related Traits: Biology, Physiology and Translation (pp. 379-401). Springer International Publishing. https://doi.org/10.1007/978-3-319-01574-3_18
Flannick, Jason ; Lowe Jr, William L. / SLC30A8 : A complex road from association to function. The Genetics of Type 2 Diabetes and Related Traits: Biology, Physiology and Translation. Springer International Publishing, 2016. pp. 379-401
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Flannick, J & Lowe Jr, WL 2016, SLC30A8: A complex road from association to function. in The Genetics of Type 2 Diabetes and Related Traits: Biology, Physiology and Translation. Springer International Publishing, pp. 379-401. https://doi.org/10.1007/978-3-319-01574-3_18

SLC30A8 : A complex road from association to function. / Flannick, Jason; Lowe Jr, William L.

The Genetics of Type 2 Diabetes and Related Traits: Biology, Physiology and Translation. Springer International Publishing, 2016. p. 379-401.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Flannick J, Lowe Jr WL. SLC30A8: A complex road from association to function. In The Genetics of Type 2 Diabetes and Related Traits: Biology, Physiology and Translation. Springer International Publishing. 2016. p. 379-401 https://doi.org/10.1007/978-3-319-01574-3_18