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Citations to this article

Lipotoxicity disrupts incretin-regulated human β cell connectivity
David J. Hodson, … , Stephen J. Hughes, Guy A. Rutter
David J. Hodson, … , Stephen J. Hughes, Guy A. Rutter
Published September 9, 2013
Citation Information: J Clin Invest. 2013;123(10):4182-4194. https://doi.org/10.1172/JCI68459.
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Research Article Endocrinology Article has an altmetric score of 43

Lipotoxicity disrupts incretin-regulated human β cell connectivity

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Abstract

Pancreatic β cell dysfunction is pathognomonic of type 2 diabetes mellitus (T2DM) and is driven by environmental and genetic factors. β cell responses to glucose and to incretins such as glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) are altered in the disease state. While rodent β cells act as a coordinated syncytium to drive insulin release, this property is unexplored in human islets. In situ imaging approaches were therefore used to monitor in real time the islet dynamics underlying hormone release. We found that GLP-1 and GIP recruit a highly coordinated subnetwork of β cells that are targeted by lipotoxicity to suppress insulin secretion. Donor BMI was negatively correlated with subpopulation responses to GLP-1, suggesting that this action of incretin contributes to functional β cell mass in vivo. Conversely, exposure of mice to a high-fat diet unveiled a role for incretin in maintaining coordinated islet activity, supporting the existence of species-specific strategies to maintain normoglycemia. These findings demonstrate that β cell connectedness is an inherent property of human islets that is likely to influence incretin-potentiated insulin secretion and may be perturbed by diabetogenic insults to disrupt glucose homeostasis in humans.

Authors

David J. Hodson, Ryan K. Mitchell, Elisa A. Bellomo, Gao Sun, Laurent Vinet, Paolo Meda, Daliang Li, Wen-Hong Li, Marco Bugliani, Piero Marchetti, Domenico Bosco, Lorenzo Piemonti, Paul Johnson, Stephen J. Hughes, Guy A. Rutter

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The two pore channel TPC2 is dispensable in pancreatic β-cells for normal Ca2+ dynamics and insulin secretion
MC Cane, J Parrington, P Rorsman, A Galione, GA Rutter
Cell Calcium 2016
CoA protects against the deleterious effects of caloric overload in Drosophila
LP Musselman, JL Fink, TJ Baranski
Journal of lipid research 2016
Molecular Genetic Regulation of Slc30a8 /ZnT8 Reveals a Positive Association With Glucose Tolerance
RK Mitchell, M Hu, PL Chabosseau, MC Cane, G Meur, EA Bellomo, R Carzaniga, LM Collinson, WH Li, DJ Hodson, GA Rutter
Molecular Endocrinology 2016
Defects in mitophagy promote redox-driven metabolic syndrome in the absence of TP53INP1
M Seillier, L Pouyet, P N'Guessan, M Nollet, F Capo, F Guillaumond, L Peyta, JF Dumas, A Varrault, G Bertrand, S Bonnafous, A Tran, G Meur, P Marchetti, MA Ravier, S Dalle, P Gual, D Muller, GA Rutter, S Servais, JL Iovanna, A Carrier
EMBO Molecular Medicine 2015
Slow potentials encode intercellular coupling and insulin demand in pancreatic beta cells
F Lebreton, A Pirog, I Belouah, D Bosco, T Berney, P Meda, Y Bornat, B Catargi, S Renaud, M Raoux, J Lang
Diabetologia 2015
Kin of IRRE-like Protein 2 Is a Phosphorylated Glycoprotein That Regulates Basal Insulin Secretion
B Yesildag, T Bock, K Herrmanns, B Wollscheid, M Stoffel
The Journal of biological chemistry 2015
Membrane Potential and Calcium Dynamics in Beta Cells from Mouse Pancreas Tissue Slices: Theory, Experimentation, and Analysis
J Dolenšek, D Špelič, M Klemen, B Žalik, M Gosak, M Rupnik, A Stožer
Sensors (Basel, Switzerland) 2015
Low Level Pro-inflammatory Cytokines Decrease Connexin36 Gap Junction Coupling in Mouse and Human Islets through Nitric Oxide-mediated Protein Kinase Cδ
NL Farnsworth, RL Walter, A Hemmati, MJ Westacott, RK Benninger
The Journal of biological chemistry 2015
Limited impact on glucose homeostasis of leptin receptor deletion from insulin- or proglucagon-expressing cells
H Soedling, DJ Hodson, AE Adrianssens, FM Gribble, F Reimann, S Trapp, GA Rutter
Molecular Metabolism 2015
Loss of Liver Kinase B1 (LKB1) in Beta Cells Enhances Glucose-stimulated Insulin Secretion Despite Profound Mitochondrial Defects
A Swisa, Z Granot, N Tamarina, S Sayers, N Bardeesy, L Philipson, DJ Hodson, JD Wikstrom, GA Rutter, G Leibowitz, B Glaser, Y Dor
The Journal of biological chemistry 2015
The Beta Cell in Its Cluster: Stochastic Graphs of Beta Cell Connectivity in the Islets of Langerhans
DA Striegel, M Hara, V Periwal, MG Pedersen
PLoS computational biology 2015
Genetic Targeting of a Small Fluorescent Zinc Indicator to Cell Surface for Monitoring Zinc Secretion
D Li, L Liu, WH Li
ACS chemical biology 2015
Progressive glucose stimulation of islet beta cells reveals a transition from segregated to integrated modular functional connectivity patterns
R Markovič, A Stožer, M Gosak, J Dolenšek, M Marhl, MS Rupnik
Scientific Reports 2015
Testing Pancreatic Islet Function at the Single Cell Level by Calcium Influx with Associated Marker Expression
JH Kenty, DA Melton, V Sanchez-Margalet
PloS one 2015
The past 10 years—new hormones, new functions, new endocrine organs
R Bouillon, DJ Drucker, E Ferrannini, S Grinspoon, CJ Rosen, P Zimmet
Nature Reviews Endocrinology 2015
Optical Control of Insulin Secretion Using an Incretin Switch
J Broichhagen, T Podewin, H Meyer-Berg, Y von Ohlen, NR Johnston, BJ Jones, SR Bloom, GA Rutter, A Hoffmann-Röder, DJ Hodson, D Trauner
Angewandte Chemie (International ed. in English) 2015
Rfx6 Maintains the Functional Identity of Adult Pancreatic β Cells
J Piccand, P Strasser, DJ Hodson, A Meunier, T Ye, C Keime, MC Birling, GA Rutter, G Gradwohl
Cell Reports 2014
Non-alcoholic fatty liver disease and type 2 diabetes mellitus: The liver disease of our age?
G Firneisz
World journal of gastroenterology : WJG 2014
Beta cell connectivity in pancreatic islets: a type 2 diabetes target?
GA Rutter, DJ Hodson
Cellular and Molecular Life Sciences 2014
Selective disruption of Tcf7l2 in the pancreatic   cell impairs secretory function and lowers   cell mass
RK Mitchell, A Mondragon, L Chen, JA Mcginty, PM French, J Ferrer, B Thorens, DJ Hodson, GA Rutter, GD Xavier
Human Molecular Genetics 2014
Role of MicroRNAs in Islet Beta-Cell Compensation and Failure during Diabetes
V Plaisance, G Waeber, R Regazzi, A Abderrahmani
Journal of Diabetes Research 2014
Cellular communication and heterogeneity in pancreatic islet insulin secretion dynamics
RK Benninger, DW Piston
Trends in Endocrinology & Metabolism 2014
New insights into the role of connexins in pancreatic islet function and diabetes
NL Farnsworth, RK Benninger
FEBS Letters 2014
Lipotoxicity in the Pancreatic Beta Cell: Not Just Survival and Function, but Proliferation as Well?
RB Sharma, LC Alonso
Current Diabetes Reports 2014
Optical control of insulin release using a photoswitchable sulfonylurea
J Broichhagen, M Schönberger, SC Cork, JA Frank, P Marchetti, M Bugliani, AM Shapiro, S Trapp, GA Rutter, DJ Hodson, D Trauner
Nature Communications 2014
ADCY5 Couples Glucose to Insulin Secretion in Human Islets
DJ Hodson, RK Mitchell, L Marselli, TJ Pullen, SG Brias, F Semplici, KL Everett, DM Cooper, M Bugliani, P Marchetti, V Lavallard, D Bosco, L Piemonti, PR Johnson, SJ Hughes, D Li, WH Li, AM Shapiro, GA Rutter
Diabetes 2014
JNK3 is required for the cytoprotective effect of exendin 4
H Ezanno, V Pawlowski, S Abdelli, R Boutry, V Gmyr, J Kerr-Conte, C Bonny, F Pattou, A Abderrahmani
Journal of Diabetes Research 2014
Incretin action on bone: An added benefit?
RC Ma, G Xu
Journal of Diabetes Investigation 2014
Phase Transitions in the Multi-cellular Regulatory Behavior of Pancreatic Islet Excitability
TH Hraha, MJ Westacott, M Pozzoli, AM Notary, PM McClatchey, RK Benninger
PLoS computational biology 2014
Intrinsic Islet Heterogeneity and Gap Junction Coupling Determine Spatiotemporal Ca2+ Wave Dynamics
RK Benninger, T Hutchens, WS Head, MJ McCaughey, M Zhang, SJ Le Marchand, LS Satin, DW Piston
Biophysical Journal 2014
Fluorescence recovery after photobleaching reveals regulation and distribution of connexin36 gap junction coupling within mouse islets of Langerhans: Analysis of connexin36 gap junction coupling
NL Farnsworth, A Hemmati, M Pozzoli, RK Benninger
The Journal of Physiology 2014
Incretin-Modulated Beta Cell Energetics in Intact Islets of Langerhans
DJ Hodson, AI Tarasov, SG Brias, RK Mitchell, NR Johnston, S Haghollahi, MC Cane, M Bugliani, P Marchetti, D Bosco, PR Johnson, SJ Hughes, GA Rutter
Molecular Endocrinology 2014
Minireview: Intraislet Regulation of Insulin Secretion in Humans
GA Rutter, DJ Hodson
Molecular Endocrinology 2013
Comprehensive Physiology
R Terjung
Comprehensive Physiology 2011

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