{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T04:18:55Z","timestamp":1791865135101,"version":"4.3.4"},"reference-count":54,"publisher":"Society for Neuroscience","issue":"46","license":[{"start":{"date-parts":[[2023,5,16]],"date-time":"2023-05-16T00:00:00Z","timestamp":1684195200000},"content-version":"vor","delay-in-days":196,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"}],"funder":[{"name":"NIH grant","award":["R01DK103723"],"award-info":[{"award-number":["R01DK103723"]}]},{"name":"NIH grant","award":["R01DK120862"],"award-info":[{"award-number":["R01DK120862"]}]},{"DOI":"10.13039\/100016254","name":"The MSU Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100016254","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Sapienza University PhD fellowship"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Neurosci."],"published-print":{"date-parts":[[2022,11,16]]},"abstract":"<jats:p>Enteric glia are a unique population of peripheral neuroglia that regulate homeostasis in the enteric nervous system (ENS) and intestinal functions. Despite existing in functionally diverse regions of the gastrointestinal tract, enteric glia have been approached scientifically as a homogeneous group of cells. This assumption is at odds with the functional specializations of gastrointestinal organs and recent data suggesting glial heterogeneity in the brain and ENS. Here, we used calcium imaging in transgenic mice of both sexes expressing genetically encoded calcium sensors in enteric glia and conducted contractility studies to investigate functional diversity among myenteric glia in two functionally distinct intestinal organs: the duodenum and the colon. Our data show that myenteric glia exhibit regionally distinct responses to neuromodulators that require intercellular communication with neurons to differing extents in the duodenum and colon. Glia regulate intestinal contractility in a region-specific and pathway-specific manner, which suggests regionally diverse engagement of enteric glia in local motor patterns through discrete signaling pathways. Further, functional response profiles delineate four unique subpopulations among myenteric glia that are differentially distributed between the colon and duodenum. Our findings support the conclusion that myenteric glia exhibit both intraregional and interregional heterogeneity that contributes to region-specific mechanisms that regulate digestive functions. Glial heterogeneity adds an unexpected layer of complexity in peripheral neurocircuits, and understanding the specific functions of specialized glial subtypes will provide new insight into ENS physiology and pathophysiology.<\/jats:p>\n                  <jats:p>\n                    <jats:bold>SIGNIFICANCE STATEMENT<\/jats:bold>\n                    Enteric glia modulate gastrointestinal functions through intercellular communication with enteric neurons. Whether heterogeneity exists among neuron\u2013glia interactions in the digestive tract is not understood. Here, we show that myenteric glia display regional heterogeneity in their responses to neuromodulators in the duodenum and the colon, which are functionally distinct organs. Glial-mediated control of intestinal motility is region and pathway specific. Four myenteric glial subtypes are present within a given gut region that are differently distributed between gut regions. These data provide functional and regional insights into enteric circuit specificity in the adult enteric nervous system.\n                  <\/jats:p>","DOI":"10.1523\/jneurosci.2379-20.2022","type":"journal-article","created":{"date-parts":[[2022,11,1]],"date-time":"2022-11-01T13:45:22Z","timestamp":1667310322000},"page":"8694-8708","source":"Crossref","is-referenced-by-count":31,"title":["Functional Intraregional and Interregional Heterogeneity between Myenteric Glial Cells of the Colon and Duodenum in Mice"],"prefix":"10.1523","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2346-9912","authenticated-orcid":false,"given":"Luisa","family":"Seguella","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathon L.","family":"McClain","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuseppe","family":"Esposito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1145-3227","authenticated-orcid":false,"given":"Brian D.","family":"Gulbransen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"393","published-online":{"date-parts":[[2022,11,1]]},"reference":[{"key":"2023041803543381000_42.46.8694.1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2025938118"},{"key":"2023041803543381000_42.46.8694.2","doi-asserted-by":"crossref","first-page":"86","DOI":"10.1016\/j.stem.2021.10.004","article-title":"Enteric glial cell heterogeneity regulates intestinal stem cell niches","volume":"29","author":"Baghdadi","year":"2022","journal-title":"Cell Stem Cell"},{"key":"2023041803543381000_42.46.8694.3","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-019-14198-8"},{"key":"2023041803543381000_42.46.8694.4","doi-asserted-by":"publisher","DOI":"10.1002\/glia.22746"},{"key":"2023041803543381000_42.46.8694.5","doi-asserted-by":"publisher","DOI":"10.1002\/glia.23596"},{"key":"2023041803543381000_42.46.8694.6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcmgh.2015.08.007"},{"key":"2023041803543381000_42.46.8694.7","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuron.2017.06.029"},{"key":"2023041803543381000_42.46.8694.8","doi-asserted-by":"publisher","DOI":"10.1152\/ajpgi.00384.2016"},{"key":"2023041803543381000_42.46.8694.9","doi-asserted-by":"publisher","DOI":"10.1002\/glia.23877"},{"key":"2023041803543381000_42.46.8694.10","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcmgh.2018.05.009"},{"key":"2023041803543381000_42.46.8694.11","doi-asserted-by":"publisher","DOI":"10.1152\/ajpgi.00155.2018"},{"key":"2023041803543381000_42.46.8694.12","unstructured":"Fried DE , Gulbransen BD (2015) In situ Ca2+ imaging of the enteric nervous system. 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