Target intelligence / Profile preview

Zinc Transporter Isoform ZnT8 (None)

Target
None
Molecular classification
Transporter, SLC30 family
01

Overview

Zinc transporter 8 (ZnT8), encoded by the SLC30A8 gene, is a member of the SLC30 family of zinc transporters. It functions as a proton-coupled zinc ion antiporter, mediating the entry of zinc into the lumen of pancreatic beta cell secretory granules. This process is essential for insulin storage, maturation, and secretion in pancreatic β-cells. Genetic variants in SLC30A8 are associated with increased or decreased risk of Type 1 and Type 2 Diabetes, with loss-of-function mutations conferring protection against Type 2 Diabetes.

Other names
ZnT8SLC30A8
02

Mechanism of action

Modulation of zinc transport into pancreatic beta cell secretory granules.

03

Biological functions

Zinc ion transportInsulin storageInsulin maturationInsulin secretionBlood glucose regulation
04

Disease associations

Type 1 DiabetesType 2 Diabetes
05

Safety considerations

Potential for altered insulin secretion and glucose homeostasis if ZnT8 function is excessively inhibited or enhanced.
06

Biomarkers

R325/W325 variants for T2D risk assessment

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