Cited by 18Advanced Glycation End Products researchPancreatic function and diabetesEndoplasmic Reticulum Stress and Disease

Advanced Glycation End Products Impair Glucose-Stimulated Insulin Secretion of a Pancreatic β-Cell Line INS-1-3 by Disturbance of Microtubule Cytoskeleton via p38/MAPK Activation

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You, Jia, Wang, Zai, Xu, Shiqing, Zhang, Wenjian, Fang, Qing, Liu, Honglin, Peng, Liang, Deng, Tingting +1 more·2016·Journal of Diabetes Research

Abstract

Advanced glycation end products (AGEs) are believed to be involved in diverse complications of diabetes mellitus. Overexposure to AGEs of pancreatic β-cells leads to decreased insulin secretion and cell apoptosis. Here, to understand the cytotoxicity of AGEs to pancreatic β-cells, we used INS-1-3 cells as a β-cell model to address this question, which was a subclone of INS-1 cells and exhibited high level of insulin expression and high sensitivity to glucose stimulation. Exposed to large dose of AGEs, even though more insulin was synthesized, its secretion was significantly reduced from INS-1-3 cells. Further, AGEs treatment led to a time-dependent increase of depolymerized microtubules, which was accompanied by an increase of activated p38/MAPK in INS-1-3 cells. Pharmacological inhibition of p38/MAPK by SB202190 reversed microtubule depolymerization to a stabilized polymerization status but could not rescue the reduction of insulin release caused by AGEs. Taken together, these results suggest a novel role of AGEs-induced impairment of insulin secretion, which is partially due to a disturbance of microtubule dynamics that resulted from an activation of the p38/MAPK pathway.

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Crossref · 10.1155/2016/9073037

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  • Increased oxidative stress and JNK/MAPK expression can contribute to pancreatic β-cell dysfunction with apoptosis, glucose-induced insulin secretion impairment, and subsequent insulin resistance, a key hallmark of type 2 DM.

    “Furthermore, increased oxidative stress and JNK/MAPK expression can contribute to pancreatic β-cell dysfunction with apoptosis, glucose-induced insulin secretion impairment, and subsequent insulin resistance, which is a key hallmark of type 2 DM54.”
  • Another mechanism underlying AGEs' ability to inhibit insulin secretion is activation of P38/MAPK and downstream disturbance of microtubule dynamics, marked by increased microtubule depolymerization in pancreatic β-cells in culture.

    “Another mechanism which, albeit in part, underlies the ability of AGEs to inhibit insulin secretion is the activation of P38/mitogen-activated protein kinase (MAPK) and the downstream disturbance of microtubule dynamics marked by an increase in microtubule depolymerization in pancreatic 𝛽-cells in culture.[139]”

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Authors
You, J., Wang, Z., Xu, S., Zhang, W., Fang, Q., Liu, H., Peng, L., Deng, T., & Lou, J.
Affiliations
China-Japan Friendship Hospital (CN)
Corresponding author
Lou, Jinning
Venue
Journal of Diabetes Research
Publisher
Wiley
Published
2016
Volume
2016
Pages
1-9
ISSN
  • 2314-6745 (ISSN-L)
  • 2314-6753
OpenAlex
W2516977151
Cited by
18
References
33
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 4 · 2020: 4 · 2019: 3 · 2018: 1
FWCI
1.32
Type
journal article
Language
en
Open access
Locations
  • Journal of Diabetes Research (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (81302334, 81370873, 81200616, 2015-QNYC-B-06, 2014-QNYC-A-05, 2012CB966402)
  • China-Japan Friendship Hospital Youth Science and Technology Excellence Project (81302334, 81370873, 81200616, 2015-QNYC-B-06, 2014-QNYC-A-05, 2012CB966402)
  • National Basic Research Program of China (81302334, 81370873, 81200616, 2015-QNYC-B-06, 2014-QNYC-A-05, 2012CB966402)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
Keywords
advanced glycation end products, insulin secretion, pancreatic beta cells, microtubule dynamics, microtubule depolymerization, p38 MAPK signaling, SB202190, beta-cell dysfunction, diabetes mellitus, cytotoxicity
MeSH terms
Insulin Secretion, Animals, Cell Line, Cytoskeleton, Glucose, Insulin, Microtubules, Signal Transduction, Glycation End Products, Advanced, p38 Mitogen-Activated Protein Kinases, Insulin-Secreting Cells, Rats

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