{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T06:40:54Z","timestamp":1781851254410,"version":"3.54.5"},"reference-count":39,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,10,16]],"date-time":"2023-10-16T00:00:00Z","timestamp":1697414400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Aliment Pharmacol Ther"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Mechanisms underlying perception of dysphagia and chest pain have not been completely elucidated, although oesophageal mucosal afferent nerves might play an important role.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>To evaluate the relationship between oesophageal mucosal afferent nerves and the severity of dysphagia and chest pain in oesophageal motility disorders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We prospectively recruited patients with oesophageal motility disorders having dysphagia and\/or chest pain from whom oesophageal biopsies were obtained. High\u2010resolution manometry classified patients into disorders of oesophagogastric junction (OGJ) outflow and disorders of peristalsis. Symptom severity was assessed using validated questionnaires including Brief Oesophageal Dysphagia Questionnaire (BEDQ). Immunohistochemistry was performed on oesophageal biopsies to evaluate the location of calcitonin gene\u2010related peptide (CGRP)\u2010immunoreactive mucosal afferent nerves. Findings were compared to existing data from 10 asymptomatic healthy volunteers.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 79 patients, 61 patients had disorders of OGJ outflow and 18 had disorders of peristalsis. CGRP\u2010immunoreactive mucosal nerves were more superficially located in the mucosa of patients with oesophageal motility disorders compared to healthy volunteers. Within disorders of OGJ outflow, the location of CGRP\u2010immunoreactive nerves negatively correlated with BEDQ score both in the proximal (<jats:italic>\u03c1<\/jats:italic>\u2009=\u2009\u22120.567, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) and distal oesophagus (<jats:italic>\u03c1<\/jats:italic>\u2009=\u2009\u22120.396, <jats:italic>p<\/jats:italic>\u2009=\u20090.003). In the proximal oesophagus, strong chest pain was associated with more superficially located mucosal nerves than weak chest pain (<jats:italic>p<\/jats:italic>\u2009=\u20090.04). Multivariate analysis showed superficial nerves in the proximal oesophagus was independently associated with severe dysphagia in disorders of OGJ outflow (<jats:italic>p<\/jats:italic>\u2009=\u20090.008).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Superficial location of mucosal nerves in the proximal oesophagus might contribute to symptoms, especially severe dysphagia, in disorders of OGJ outflow.<\/jats:p><\/jats:sec>","DOI":"10.1111\/apt.17773","type":"journal-article","created":{"date-parts":[[2023,10,17]],"date-time":"2023-10-17T04:40:38Z","timestamp":1697517638000},"page":"100-112","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Superficial oesophageal mucosal innervation may contribute to severity of symptoms in oesophageal motility disorders"],"prefix":"10.1111","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0590-3693","authenticated-orcid":false,"given":"Akinari","family":"Sawada","sequence":"first","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"},{"name":"Department of Gastroenterology Osaka Metropolitan University Graduate School of Medicine  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2838-1103","authenticated-orcid":false,"given":"Mengyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahsen","family":"Ustaoglu","sequence":"additional","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kornilia","family":"Nikaki","sequence":"additional","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chung","family":"Lee","sequence":"additional","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2445-9724","authenticated-orcid":false,"given":"Philip","family":"Woodland","sequence":"additional","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Etsuro","family":"Yazaki","sequence":"additional","affiliation":[{"name":"Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London  UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shingo","family":"Takashima","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology Osaka Metropolitan University Graduate School of Medicine  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Ominami","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology Osaka Metropolitan University Graduate School of Medicine  Osaka 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