{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T14:14:10Z","timestamp":1784556850301,"version":"3.55.0"},"reference-count":36,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2020,5,6]],"date-time":"2020-05-06T00:00:00Z","timestamp":1588723200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001826","name":"ZonMw","doi-asserted-by":"publisher","award":["91112026"],"award-info":[{"award-number":["91112026"]}],"id":[{"id":"10.13039\/501100001826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Dent Res"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:p>\n                    Oral lubrication mediated by mucin and protein containing salivary conditioning films (SCFs) with strong water retainability can get impaired due to disease such as xerostomia, that is, a subjective dry mouth feel associated with the changed salivary composition and low salivary flow rate. Aberrant SCFs in xerostomia patient cause difficulties in speech, mastication, and dental erosion while the prescribed artificial saliva is inadequate to solve the complications on a lasting basis. With the growing aging population, it is urgently needed to propose a new strategy to restore oral lubrication. Existing saliva substitutes often overwhelm the aberrant SCFs, generating inadequate relief. Here we demonstrated that the function of aberrant SCFs in a patient with Sj\u00f6gren syndrome can be boosted through mucin recruitment by a simple mucoadhesive, chitosan-catechol (Chi-C). Chi-C with different conjugation degrees (Chi-C\n                    <jats:sub>7.6%<\/jats:sub>\n                    , Chi-C\n                    <jats:sub>14.5%<\/jats:sub>\n                    , Chi-C\n                    <jats:sub>22.4%<\/jats:sub>\n                    ) was obtained by carbodiimide chemistry, which induced a layered structure composed of a rigid bottom and a soft secondary SCF (S-SCF) after reflow of saliva. The higher conjugation degree of Chi-C generates a higher glycosylated S-SCF by mucin recruitment and a lower friction in vitro. The layered S-SCF extends the \u201crelief period\u201d for Sj\u00f6gren patient saliva over 7-fold, measured on an ex vivo tongue-enamel friction system. Besides lubrication, Chi-C-treated S-SCF reduces dental erosion depths from 125 to 70\u2009\u03bcm. Chi-C shows antimicrobial activity against Streptococcus mutans. This research provides a new key insight in restoring the functionality of conditioning film at articulating tissues in living systems.\n                  <\/jats:p>","DOI":"10.1177\/0022034520917675","type":"journal-article","created":{"date-parts":[[2020,5,6]],"date-time":"2020-05-06T16:00:18Z","timestamp":1588780818000},"page":"914-921","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":30,"title":["Enhancement in Xerostomia Patient Salivary Lubrication Using a Mucoadhesive"],"prefix":"10.1177","volume":"99","author":[{"given":"H.","family":"Wan","sequence":"first","affiliation":[{"name":"Department of Biomedical Engineering, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Vissink","sequence":"additional","affiliation":[{"name":"Department of Oral Maxillofacial Surgery, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8342-8939","authenticated-orcid":false,"given":"P.K.","family":"Sharma","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2020,5,6]]},"reference":[{"key":"bibr1-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.carbpol.2017.09.073"},{"key":"bibr2-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.jdent.2006.10.001"},{"key":"bibr3-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.autrev.2012.10.018"},{"key":"bibr4-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1177\/0022034515609070"},{"key":"bibr5-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1074\/mcp.M115.052993"},{"key":"bibr6-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.cocis.2010.07.002"},{"key":"bibr7-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD008934"},{"key":"bibr8-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1007\/s00520-009-0671-x"},{"key":"bibr9-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1159\/000116118"},{"key":"bibr10-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.jdent.2012.09.004"},{"key":"bibr11-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijrobp.2007.04.021"},{"key":"bibr12-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1039\/c3bm00004d"},{"key":"bibr13-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.biomaterials.2015.02.010"},{"key":"bibr14-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1126\/science.1153273"},{"key":"bibr15-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1016\/j.actbio.2018.08.038"},{"key":"bibr16-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201202433"},{"key":"bibr17-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1002\/smll.201303568"},{"key":"bibr18-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201505047"},{"key":"bibr19-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1021\/la026662e"},{"key":"bibr20-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1021\/bm8010177"},{"key":"bibr21-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1080\/08927014.2010.506609"},{"key":"bibr22-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1038\/nmat4048"},{"key":"bibr23-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1177\/0022034516634631"},{"key":"bibr24-0022034520917675","doi-asserted-by":"publisher","DOI":"10.3390\/ma10050550"},{"key":"bibr25-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.15151"},{"key":"bibr26-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1007\/978-94-010-0736-8_25"},{"key":"bibr27-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0042600"},{"key":"bibr28-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201300188"},{"key":"bibr29-0022034520917675","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-018-27380-7"},{"key":"bibr30-0022034520917675","doi-asserted-by":"crossref","unstructured":"Vinke J, Kaper HJ, Vissink A, Sharma PK. 2019. Saliva substitutes capable of modifying the existing salivary condition film by adsorption improves oral lubrication. Clin Oral Investig. 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