{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T11:41:57Z","timestamp":1792669317158,"version":"4.5.0"},"reference-count":44,"publisher":"American Society for Clinical Investigation","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,3,9]]},"abstract":"<jats:p>\n                    Ciliary motion defects cause defective mucociliary transport (MCT) in primary ciliary dyskinesia (PCD). Current diagnostic tests do not assess how MCT is affected by perturbation of ciliary motion. In this study, we sought to use micro-optical coherence tomography (\u03bcOCT) to delineate the mechanistic basis of cilia motion defects of PCD genes by functional categorization of cilia motion. Tracheae from three PCD mouse models were analyzed using \u03bcOCT to characterize ciliary motion and measure MCT. We developed multiple measures of ciliary activity, integrated these measures, and quantified dyskinesia by the angular range of the cilia effective stroke (ARC).\n                    <jats:italic>\n                      Ccdc39\n                      <jats:sup>\u2013\/\u2013<\/jats:sup>\n                    <\/jats:italic>\n                    mice, with a known severe PCD mutation of ciliary axonemal organization, had absent motile ciliary regions, resulting in abrogated MCT. In contrast,\n                    <jats:italic>\n                      Dnah5\n                      <jats:sup>\u2013\/\u2013<\/jats:sup>\n                    <\/jats:italic>\n                    mice, with a missense mutation of the outer dynein arms, had reduced ciliary beat frequency (CBF) but preserved motile area and ciliary stroke, maintaining some MCT.\n                    <jats:italic>\n                      Wdr69\n                      <jats:sup>\u2013\/\u2013<\/jats:sup>\n                    <\/jats:italic>\n                    PCD mice exhibited normal motile area and CBF and partially delayed MCT due to abnormalities of ciliary ARC. Visualization of ciliary motion using \u03bcOCT provides quantitative assessment of ciliary motion and MCT. Comprehensive ciliary motion investigation in situ classifies ciliary motion defects and quantifies their contribution to delayed mucociliary clearance.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.91702","type":"journal-article","created":{"date-parts":[[2017,3,8]],"date-time":"2017-03-08T11:01:03Z","timestamp":1488970863000},"source":"Crossref","is-referenced-by-count":39,"title":["Assessment of ciliary phenotype in primary ciliary dyskinesia by micro-optical coherence tomography"],"prefix":"10.1172","volume":"2","author":[{"given":"George M.","family":"Solomon","sequence":"first","affiliation":[{"name":"Department of Medicine, University of Alabama, Birmingham, Alabama, USA; Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, Birmingham, Alabama, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard","family":"Francis","sequence":"additional","affiliation":[{"name":"University of Pittsburgh, Pittsburgh, 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