{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,12]],"date-time":"2026-07-12T15:05:35Z","timestamp":1783868735913,"version":"3.55.0"},"reference-count":55,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,7,12]],"date-time":"2026-07-12T00:00:00Z","timestamp":1783814400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,12]],"date-time":"2026-07-12T00:00:00Z","timestamp":1783814400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01DC020730"],"award-info":[{"award-number":["R01DC020730"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R21DC018081"],"award-info":[{"award-number":["R21DC018081"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Laryngoscope"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives\/Hypothesis<\/jats:title>\n                    <jats:p>Concurrent chemoradiotherapy (CCRT) is an effective treatment for various head and neck cancers; however, CCRT can result in significant swallowing impairment, presumably due largely to dysfunction of the muscles of swallowing, which are within the field of radiation. This translational study examines the mechanisms underlying CCRT\u2010induced muscle dysfunction using (1) a rat model of CCRT and (2) analysis of archival human specimens.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>131 Sprague Dawley rats were divided into experimental and control groups. Experimental rats received cisplatin and 5\u2010fluorouracil intravenously, followed by 7 Gray radiation daily for 5\u2009days. Rats were further split into three time points: acute (2\u2009weeks), intermediate (5\u2009months), and long\u2010term (10\u2009months), at which time tissue was harvested for analysis. Human samples included preexisting CCRT\u2010treated and age\u2010 and sex\u2010matched control muscle samples from head and neck cancer patients. Quantitative analyses of Paired Box Homeotic Gene 7\u2010positive cells (Pax7 in rats; PAX7 in humans), fibrosis, muscle fiber size, and neuromuscular junctions were conducted and compared between groups in both rats and humans.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Analysis demonstrated a significant decline in the percent of Pax7\/PAX7\u2010positive cells (a marker of muscle stem cells) after CCRT in both rats and humans, increased collagen percent, and decreased muscle percent in rats at 10\u2009months. CCRT was associated with significantly reduced muscle fiber size in human specimens. Neuromuscular junction presence and morphology in rats were not affected.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This translational study demonstrates significant alterations in head and neck muscles in both a rat model and human specimens from subjects exposed to CCRT.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>NA<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/lary.70722","type":"journal-article","created":{"date-parts":[[2026,7,12]],"date-time":"2026-07-12T14:57:06Z","timestamp":1783868226000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Chemoradiation (\n                    <scp>CCRT<\/scp>\n                    ) Effects on Head and Neck Muscles: Insights Into\n                    <scp>CCRT<\/scp>\n                    \u2010Induced Dysphagia"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6992-3212","authenticated-orcid":false,"given":"Milan R.","family":"Amin","sequence":"first","affiliation":[{"name":"NYU Voice and Swallowing Center, Department of Otolaryngology\/Head and Neck Surgery New York University Grossman School of Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marilla","family":"Gould","sequence":"additional","affiliation":[{"name":"NYU Voice and Swallowing Center, Department of Otolaryngology\/Head and Neck Surgery New York University Grossman School of Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth","family":"Severa","sequence":"additional","affiliation":[{"name":"NYU Voice and Swallowing Center, Department of Otolaryngology\/Head and Neck Surgery New York University Grossman School of Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam","family":"Kravietz","sequence":"additional","affiliation":[{"name":"NYU Voice and Swallowing Center, Department of Otolaryngology\/Head and Neck Surgery New York University Grossman School of Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stratos","family":"Achlatis","sequence":"additional","affiliation":[{"name":"NYU Voice and Swallowing Center, Department of Otolaryngology\/Head and Neck Surgery New York University Grossman School of Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3660-9913","authenticated-orcid":false,"given":"Naomi","family":"Tesema","sequence":"additional","affiliation":[{"name":"NYU Voice and Swallowing Center, Department of Otolaryngology\/Head and Neck Surgery New York University Grossman School of Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. 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