Human ZnT-8 Antibody Summary
Accession # Q8IWU4
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
ZnT‑8 in Human Pancreas. ZnT-8 was detected in immersion fixed paraffin-embedded sections of human pancreas using Mouse Anti-Human ZnT-8 Monoclonal Antibody (Catalog # MAB7936) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counter-stained with hematoxylin (blue). Specific staining was localized to cytoplasm of islet cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of ZNT-8 in PANC-1 Human Cell Line by Flow Cytometry. PANC-1 human cell line was stained with Mouse Anti-Human ZNT-8 Monoclonal Antibody (Catalog # MAB7936, filled histogram) or isotype control antibody (Catalog # MAB0041, open histogram), followed by APC-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3/Transcription Factor Fixation & Perm Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
ZnT-8 (Zinc Transporter 8; also SLC30A8) is a 35-40 kDa member of the SLC (solute carrier)-30A subfamily, CDF family of proteins. It is expressed by pancreatic beta ‑cells and alpha -cells, B cells, and adipocytes and is known to play a role in Zn transport. In particular, ZnT-8 appears to transport zinc from the cytosol into secretory vesicles which, in the case of beta -cells, provides a necessary component for proper insulin processing and granule storage. Furthermore, it appears to facilitate glucose‑mediated insulin release. Human ZnT-8 is a multipass transmembrane (TM) protein that is 369 amino acids (aa) in length. It contains an N-terminal cytoplasmic region (aa 1-79) followed by six TM segments (aa 80-266) and a 103 aa C-terminal cytoplasmic tail. There is a key His-rich motif in the second cytoplasmic loop (aa 197‑205). ZnT-8 forms homodimers and possibly oligomers. There is one alternative start site at Met50. Over aa 268-359, human ZnT-8 shares 79% aa sequence identity with mouse ZnT-8.
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Antibody was printed on custom arrays and incubated with fluorescently labeled human EDTA plasma