Cited by 171Pancreatic function and diabetesDiabetes Treatment and ManagementMetabolism, Diabetes, and Cancer

Preserving insulin secretion in diabetes by inhibiting VDAC1 overexpression and surface translocation in β cells

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Zhang, Enming, Mohammed Al-Amily, Israa, Mohammed, Sarheed, Luan, Cheng, Asplund, Olof, Ahmed, Meftun, Ye, Yingying, Ben-Hail, Danya +9 more·2019·Cell Metabolism

Abstract

Type 2 diabetes (T2D) develops after years of prediabetes during which high glucose (glucotoxicity) impairs insulin secretion. We report that the ATP-conducting mitochondrial outer membrane voltage-dependent anion channel-1 (VDAC1) is upregulated in islets from T2D and non-diabetic organ donors under glucotoxic conditions. This is caused by a glucotoxicity-induced transcriptional program, triggered during years of prediabetes with suboptimal blood glucose control. Metformin counteracts VDAC1 induction. VDAC1 overexpression causes its mistargeting to the plasma membrane of the insulin-secreting β cells with loss of the crucial metabolic coupling factor ATP. VDAC1 antibodies and inhibitors prevent ATP loss. Through direct inhibition of VDAC1 conductance, metformin, like specific VDAC1 inhibitors and antibodies, restores the impaired generation of ATP and glucose-stimulated insulin secretion in T2D islets. Treatment of db/db mice with VDAC1 inhibitor prevents hyperglycemia, and maintains normal glucose tolerance and physiological regulation of insulin secretion. Thus, β cell function is preserved by targeting the novel diabetes executer protein VDAC1.

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Crossref · 10.1016/j.cmet.2018.09.008

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  • Glucotoxicity decreases mitochondrial oxygen consumption rate in pancreatic β cells by inducing upregulation of voltage-dependent anion channel-1.

    “The detrimental effect of hyperglycaemic glucotoxicity on mitochondria has also been recently described in pancreatic β cells with glucotoxicity decreasing mitochondrial oxygen consumption rate by inducing the upregulation of voltage-dependent anion channel-1 (Zhang et al., 2019).”

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Authors
Zhang, E., Mohammed Al-Amily, I., Mohammed, S., Luan, C., Asplund, O., Ahmed, M., Ye, Y., Ben-Hail, D., Soni, A., Vishnu, N., Bompada, P., De Marinis, Y., Groop, L., Shoshan-Barmatz, V., Renström, E., Wollheim, C. B., & Salehi, A.
Affiliations
  • Lund University (SE)
  • Uppsala University (SE)
  • Ben-Gurion University of the Negev (IL)
  • University of Helsinki (FI)
  • University of Geneva (CH)
Corresponding author
  • Wollheim, Claes B.
  • Salehi, Albert
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2019-01
Volume
29
Issue
1
Pages
64-77.e6
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2894698210
Cited by
171
References
55
Citations by year
2026: 18 · 2025: 21 · 2024: 30 · 2023: 28 · 2022: 17 · 2021: 18 · 2020: 27 · 2019: 10 · 2018: 2
FWCI
14.81
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Archive ouverte UNIGE (University of Geneva) (publishedVersion, other-oa)
  • Työväentutkimus Vuosikirja (submittedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
  • Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
Funders
  • Sweden, Öresund Diabetes Academy
  • Mats Paulsson Foundation
  • Forget foundation
  • Bo and Kerstin Hjelt foundation
  • Lund University
  • Crafoord Foundation
  • Israel Science Foundation
  • Sima and Philip Needleman research
  • ERC Advanced Researcher (GA269045)
  • Knut and Alice Wallenberg Foundation
  • Swedish Research Council (Dnr 349-2006-237)
  • Swedish Diabetes Association
  • Diabetes Wellness Sweden Foundation
  • ALF
  • Strategic Research Area Exodiab (Dnr 2009-1039)
  • Strategic Research LUDC-IRC (Dnr IRC15-0067)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
VDAC1, type 2 diabetes, insulin secretion, pancreatic beta cells, glucotoxicity, prediabetes, metformin, mitochondrial ATP, mitochondrial outer membrane, glucose-stimulated insulin secretion, islets, db/db mice, glucose tolerance
MeSH terms
Insulin Secretion, Animals, Diabetes Mellitus, Type 2, Glucose, Humans, Hyperglycemia, Insulin, Metformin, Cell Line, Tumor, Insulin-Secreting Cells, Voltage-Dependent Anion Channel 1, Mice

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