{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T19:45:04Z","timestamp":1790624704056,"version":"4.1.0"},"reference-count":46,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,10,31]],"date-time":"2023-10-31T00:00:00Z","timestamp":1698710400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Cell. Infect. Microbiol."],"abstract":"<jats:sec><jats:title>Introduction and aim<\/jats:title><jats:p>The presence of host collagenases in the degradation of the protein matrix at later stages of carious dentin lesions development, as well as the potential involvement of bacterial collagenases, have been suggested but lack conclusive evidence. This study aims to conduct a systematic review to comprehensively assess the profile of host and bacterial-derived collagenolytic proteases in both root and coronal dentin carious lesions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The search was performed in eight databases and the grey literature. Studies evaluating <jats:italic>ex vivo<\/jats:italic> dentin, extracted teeth, or biofilms from natural caries lesions were included. The methodological quality of studies was assessed using the Joanna Briggs Institute tool. Synthesis of the results and the certainty of evidence were performed following the Synthesis without Meta-analysis (SWiM) checklist and GRADE approach for narrative synthesis, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>From 935 recovered articles, 18 were included. Although the evidence was very uncertain, it was possible to suggest that 1) MMP-2, MMP-9, MMP-13, and CT-B may be increased in carious dentin when compared to sound dentin; 2) there is no difference in MMP-2 presence, while MMP-13 may be increased in root when compared to coronal carious dentin; 3) there is no difference of MMP-2 and MMP-9 expression\/activity before and after cavity sealing; 4) MMP-8 may be increased in the dentin before cavity sealing compared to dentin after cavity sealing; 5) there is no difference of MMP-20 in irradiated vs. non-irradiated carious dentin. MMP-20 probably reduces in carious outer dentin when compared to carious inner dentin (moderate certainty). Genes encoding bacterial collagenolytic proteases and protein-degrading bacteria were detected in coronal and root carious lesions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Trends in the direction of the effect were observed for some collagenolytic proteases in carious dentin, which may represent a potential target for the development of new treatments. (Protocol register-PROSPERO: CRD42020213141).<\/jats:p><\/jats:sec>","DOI":"10.3389\/fcimb.2023.1278754","type":"journal-article","created":{"date-parts":[[2023,10,31]],"date-time":"2023-10-31T10:44:18Z","timestamp":1698749058000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Presence of host and bacterial-derived collagenolytic proteases in carious dentin: a systematic review of ex vivo studies"],"prefix":"10.3389","volume":"13","author":[{"given":"Cec\u00edlia de Brito","family":"Barbosa","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabela","family":"Monici Silva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00e9ssica Alves de","family":"Cena","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristine Miron","family":"Stefani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naile","family":"Dame-Teixeira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2023,10,31]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"460","DOI":"10.1159\/000479040","article-title":"MMP-9 in dentinal fluid correlates with caries lesion depth","volume":"51","author":"Ballal","year":"2017","journal-title":"Caries Res."},{"key":"B2","unstructured":"Bello ArroyoE.\n          caracterizatci\u00f3n de microrganismos aislados de caries de dentina2016"},{"key":"B3","doi-asserted-by":"publisher","first-page":"453","DOI":"10.1159\/000330601","article-title":"Increased matrix metalloproteinase-2 and bone sialoprotein response to human coronal caries","volume":"45","author":"Boushell","year":"2011","journal-title":"Caries Res."},{"key":"B4","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.l6890","article-title":"Synthesis without meta-analysis (SWiM) in systematic reviews: reporting guideline","volume":"368","author":"Campbell","year":"2020","journal-title":"Bmj"},{"key":"B5","doi-asserted-by":"publisher","first-page":"207","DOI":"10.1016\/j.jsb.2012.12.005","article-title":"Structural analysis of reactionary dentin formed in response to polymicrobial invasion","volume":"181","author":"Charadram","year":"2013","journal-title":"J. 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