Evidence map›Paper›PMID 24051378›Full record

ArticleThe Journal of clinical investigation2013

The diabetes-susceptible gene SLC30A8/ZnT8 regulates hepatic insulin clearance.

Motoyuki Tamaki, Yoshio Fujitani, Akemi Hara, Toyoyoshi Uchida, Yoshifumi Tamura, Kageumi Takeno, Minako Kawaguchi, Takahiro Watanabe, Takeshi Ogihara, Ayako Fukunaka and 13 more

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In one paragraph

Article in The Journal of clinical investigation, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 140 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
140citing papers in PubMed, 4 pooled it
18.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

140 citing papers in PubMed, 4 syntheses or guidelines pooled it, 241 citations in OpenAlex.

  1. Pooled it
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  4. Association between SLC30A8 rs13266634 Polymorphism and Type 2 Diabetes Risk: A Meta-Analysis.Medical science monitor : international medical journal of experimental and clinical research · 2015
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  20. Type 2 diabetes mellitus and zinc dysregulation: From basic and epidemiological evidence to interventions.Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2025
    Review

80 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

23 authors at 6 institutions in 3 countries.

Motoyuki Tamaki
Yoshio Fujitani
Akemi Hara
Toyoyoshi Uchida
Yoshifumi Tamura
Kageumi Takeno
Minako Kawaguchi
Takahiro Watanabe
Takeshi Ogihara
Ayako Fukunaka
Tomoaki Shimizu
Tomoya Mita
Akio Kanazawa
Mica O Imaizumi
Takaya Abe
Hiroshi Kiyonari
Shintaro Hojyo
Toshiyuki Fukada
Takeshi Kawauchi
Shinya Nagamatsu
Toshio Hirano
Ryuzo Kawamori
Hirotaka Watada
RIKEN Center for Integrative Medical Sciences · JPCenter for Molecular Medicine and Immunology · USKyorin University · JPCentre for Research in Engineering Surface Technology · IEJuntendo University · JPKeio University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Recent genome-wide association studies demonstrated that common variants of solute carrier family 30 member 8 gene (SLC30A8) increase susceptibility to type 2 diabetes. SLC30A8 encodes zinc transporter-8 (ZnT8), which delivers zinc ion from the cytoplasm into insulin granules. Although it is well known that insulin granules contain high amounts of zinc, the physiological role of secreted zinc remains elusive. In this study, we generated mice with β cell-specific Slc30a8 deficiency (ZnT8KO mice) and demonstrated an unexpected functional linkage between Slc30a8 deletion and hepatic insulin clearance. The ZnT8KO mice had low peripheral blood insulin levels, despite insulin hypersecretion from pancreatic β cells. We also demonstrated that a substantial amount of the hypersecreted insulin was degraded during its first passage through the liver. Consistent with these findings, ZnT8KO mice and human individuals carrying rs13266634, a major risk allele of SLC30A8, exhibited increased insulin clearance, as assessed by c-peptide/insulin ratio. Furthermore, we demonstrated that zinc secreted in concert with insulin suppressed hepatic insulin clearance by inhibiting clathrin-dependent insulin endocytosis. Our results indicate that SLC30A8 regulates hepatic insulin clearance and that genetic dysregulation of this system may play a role in the pathogenesis of type 2 diabetes.

Indexed as

AdultAnimalsCation Transport ProteinsDiabetes Mellitus, Type 2EndocytosisGenotypeGlucagonHep G2 CellsHumansInsulinInsulin-Secreting CellsInsulin SecretionLiverMaleMiceMice, Inbred C57BLCation Transport ProteinsGlucagonInsulinReceptor, InsulinSLC30A8 protein, humanZincZinc Transporter 8

Identifiers

PMID24051378
PMCPMC3784536
OpenAlexW2010174774

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.