Diabetes & Metabolism Journal

Review

Basic Research
Rediscovering Primary Cilia in Pancreatic Islets: Eun Young Lee, Jing W. Hughes; Diabetes Metab J. 2023;47(4):454-469. Published online April 28, 2023; DOI: https://doi.org/10.4093/dmj.2022.0442

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Primary cilia are microtubule-based sensory and signaling organelles on the surfaces of most eukaryotic cells. Despite their early description by microscopy studies, islet cilia had not been examined in the functional context until recent decades. In pancreatic islets as in other tissues, primary cilia facilitate crucial developmental and signaling pathways in response to extracellular stimuli. Many human developmental and genetic disorders are associated with ciliary dysfunction, some manifesting as obesity and diabetes. Understanding the basis for metabolic diseases in human ciliopathies has been aided by close examination of cilia action in pancreatic islets at cellular and molecular levels. In this article, we review the evidence for ciliary expression on islet cells, known roles of cilia in pancreas development and islet hormone secretion, and summarize metabolic manifestations of human ciliopathy syndromes. We discuss emerging data on primary cilia regulation of islet cell signaling and the structural basis of cilia-mediated cell crosstalk, and offer our interpretation on the role of cilia in glucose homeostasis and human diseases.

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Genome-wide association study and trans-ethnic meta-analysis identify novel susceptibility loci for type 2 diabetes mellitus
Asma A Elashi, Salman M Toor, Umm-Kulthum Ismail Umlai, Yasser A Al-Sarraj, Shahrad Taheri, Karsten Suhre, Abdul Badi Abou-Samra, Omar M E Albagha
BMC Medical Genomics.2024;[Epub] CrossRef
Beta cell primary cilia mediate somatostatin responsiveness via SSTR3
Samantha E. Adamson, Zipeng A. Li, Jing W. Hughes
Islets.2023;[Epub] CrossRef

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