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Rui Gao Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford, UK

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Samuel Acreman Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford, UK
Department of Physiology, Institute of Neuroscience and Physiology, Metabolic Research Unit, University of Gothenburg, Göteborg, Sweden

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Jinfang Ma Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford, UK

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Fernando Abdulkader Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil

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Anna Wendt Department of Clinical Sciences Malmö, Islet Cell Exocytosis, Lund University Diabetes Centre, Lund University, Malmö, Sweden

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Quan Zhang Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford, UK
CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal

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Introduction In the body, blood glucose levels are kept within a narrow range by concerted action of glucagon and insulin, the glucose-regulating hormones secreted by α- and β-cells, respectively ( Göke 2008 ). Whereas the islet α-cells were

Article Type:
Review Article
Collections:
100 years of glucagon: Anniversary collection
DOI:
https://doi.org/10.1530/JOE-22-0295
Volume/Issue:
Volume 258: Issue 2
Open access
Emma Rose McGlone Department of Surgery and Cancer, Imperial College London, London, UK

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Stephen R Bloom Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK

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Tricia M-M Tan Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK

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Introduction Glucagon is a peptide hormone secreted by alpha cells in the pancreas which acts on several organs including the liver, kidney, heart and brain ( Marroqui et al. 2014 , Wewer Albrechtsen et al. 2023 ). The precursor protein

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-23-0365
Volume/Issue:
Volume 261: Issue 3
Open access
Michael Merkhassine Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA
VCA Colonial Animal Hospital, Ithaca, New York, USA

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Reilly W Coch Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA
Weill Cornell College of Medicine, New York, New York, USA

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Carol E Frederick Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA

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Lucinda L Bennett Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA

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Seth A Peng Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA
Fate Therapeutics, San Diego, California, USA

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Benjamin Morse Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA

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Bethany P Cummings Center for Alimentary and Metabolic Science, Department of Surgery, School of Medicine, University of California, Davis, Sacramento, California, USA
Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, California, USA

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John P Loftus Loftus Laboratory, Department of Clinical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, New York, USA

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Introduction Glucagon is a pancreatic endocrine hormone involved in regulating circulating glucose and amino acid (AA) levels and is an important therapeutic target for various metabolic and gastrointestinal conditions ( Unger & Cherrington

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-24-0051
Volume/Issue:
Volume 262: Issue 2
Open access
Ryan A Lafferty Biomedical Sciences Research Institute, Centre for Diabetes, Ulster University, Coleraine, Northern Ireland, UK

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Laura M McShane Biomedical Sciences Research Institute, Centre for Diabetes, Ulster University, Coleraine, Northern Ireland, UK

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Zara J Franklin Biomedical Sciences Research Institute, Centre for Diabetes, Ulster University, Coleraine, Northern Ireland, UK

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Peter R Flatt Biomedical Sciences Research Institute, Centre for Diabetes, Ulster University, Coleraine, Northern Ireland, UK

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Finbarr P M O’Harte Biomedical Sciences Research Institute, Centre for Diabetes, Ulster University, Coleraine, Northern Ireland, UK

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Nigel Irwin Biomedical Sciences Research Institute, Centre for Diabetes, Ulster University, Coleraine, Northern Ireland, UK

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Introduction It has been well established that abnormal elevation in circulating glucagon leads to an increase in hepatic glucose production and glycogen metabolism that contribute to hyperglycaemia in diabetes ( Unger 1978 ). For this reason

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-22-0106
Volume/Issue:
Volume 255: Issue 2
Open access
A Edlund Unit of Islet Cell Exocytosis, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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M Barghouth Unit of Islet Pathophysiology, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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M Hühn Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden

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M Abels Unit of Neuroendocrine Cell biology, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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J S E Esguerra Unit of Islet Cell Exocytosis, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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I G Mollet Unit of Islet Cell Exocytosis, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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E Svedin Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden

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A Wendt Unit of Islet Cell Exocytosis, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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E Renström Unit of Islet Pathophysiology, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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E Zhang Unit of Islet Pathophysiology, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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N Wierup Unit of Neuroendocrine Cell biology, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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B J Scholte Department of Cell Biology, Erasmus MC, Rotterdam, the Netherlands
Pediatric Pulmonology, Erasmus MC, Rotterdam, the Netherlands

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M Flodström-Tullberg Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden

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L Eliasson Unit of Islet Cell Exocytosis, Lund University Diabetes Centre, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden

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F508del beta cells have defective exocytosis and insulin secretion. Finally, we measured islet glucagon and somatostatin secretion. The data presented highlight the important contribution of CFTR in beta cells for functional insulin secretion

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-18-0570
Volume/Issue:
Volume 241: Issue 1
Open access
Affiong Ika Oqua Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK

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Yusman Manchanda Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK

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Emma Rose McGlone Department of Surgery and Cancer, Imperial College London, London, UK

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Ben Jones Section of Investigative Medicine, Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK

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Sarah Rouse Department of Life Sciences, Imperial College, London, UK

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Alejandra Tomas Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK

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, characterised by Creutzfeldt in 1979, are peptide hormones secreted in the gastrointestinal tract in response to nutrients that potentiate the glucose-dependent secretion of insulin. The primary incretins include glucagon-like peptide 1 (GLP-1), secreted mainly

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-23-0335
Volume/Issue:
Volume 261: Issue 3
Open access
Alessandro Pocai Diabetes and Endocrinology, Merck Research Laboratories, Merck Sharp and Dohme Corp., 126 East Lincoln Avenue, Rahway, New Jersey 07065, USA

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insulin. Recent work on understanding the physiological function of proglucagon-derived peptides has renewed interest in glucagon-based therapeutics. One of these peptides is glucagon-like peptide-1 (GLP1), which is secreted from the L cells of the

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-12-0368
Volume/Issue:
Volume 215: Issue 3
Open access
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David Cottet-Dumoulin Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Quentin Perrier Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Vanessa Lavallard Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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David Matthey-Doret Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Laura Mar Fonseca Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Juliette Bignard Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Reine Hanna Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Géraldine Parnaud Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Fanny Lebreton Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Kevin Bellofatto Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Ekaterine Berishvili Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Thierry Berney Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Domenico Bosco Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
Diabetes Center of the Faculty of Medicine, University of Geneva, Geneva, Switzerland

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Introduction Islets of Langerhans are the regions of the pancreas that contain endocrine cells. They are composed of four major cell types: alpha, beta, delta and pancreatic polypeptide (PP) cells, which secrete glucagon, insulin, somatostatin

Article Type:
Research Article
DOI:
https://doi.org/10.1530/JOE-22-0304
Volume/Issue:
Volume 258: Issue 2
Open access
S J Brandt Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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M Kleinert Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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M H Tschöp Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany
Division of Metabolic Diseases, Technische Universität, Munich, Germany

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T D Müller Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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). For example, following Roux-en-Y gastric bypass, gastric banding or sleeve gastronomy, there is an increase in the secretion of glucagon-like peptide 1 (GLP-1) ( Laferrere 2016 , Meek et al. 2016 , Clemmensen et al. 2017 ), which is known not

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-18-0264
Volume/Issue:
Volume 238: Issue 2
Open access
Neerav Mullur The University of Ottawa, Faculty of Medicine, Ottawa, Ontario, Canada

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Arianne Morissette The University of Ottawa Heart Institute, Ottawa, Ontario, Canada

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Nadya M Morrow The University of Ottawa Heart Institute, Ottawa, Ontario, Canada
Department of Biochemistry, Microbiology and Immunology, The University of Ottawa, Faculty of Medicine, Ottawa, Ontario, Canada

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Erin E Mulvihill The University of Ottawa Heart Institute, Ottawa, Ontario, Canada
Department of Biochemistry, Microbiology and Immunology, The University of Ottawa, Faculty of Medicine, Ottawa, Ontario, Canada

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administration ( McIntyre et al. 1965 ). The incretin hormones, glucose-dependent insulinotropic polypeptide (GIP), and glucagon-like peptide-1 (GLP-1) potentiate meal-stimulated insulin secretion through direct and indirect actions on islet β-cells. The first

Article Type:
Review Article
DOI:
https://doi.org/10.1530/JOE-24-0046
Volume/Issue:
Volume 263: Issue 1
Open access