{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T23:46:15Z","timestamp":1777938375302,"version":"3.51.4"},"reference-count":41,"publisher":"SAGE Publications","issue":"17-18","license":[{"start":{"date-parts":[[2012,7,2]],"date-time":"2012-07-02T00:00:00Z","timestamp":1341187200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Tissue Engineering Part A"],"published-print":{"date-parts":[[2012,9]]},"abstract":"<jats:p>Several studies have evaluated proteins secreted by fibroblasts comprising skin substitutes, finding that they are secreted in combinations and concentrations that promote wound healing. However, assessment of proteins secreted by oral fibroblasts forming a part of oral substitutes is scarce. In our previous work, collagen type-I scaffolds (CSs) and autologous artificial connective tissue (AACT) were produced and implanted in rabbit oral lesions, evidencing that AACT outperforms CS. The present work determined the secreted factor profile of AACT in the time of grafting as well as that of the AACT embedded in the clot. It also evaluated the proliferation and viability of AACT fibroblasts to establish the dwell time of these cells in the grafted area. Finally, it assessed whether CS, AACT, and clot-embedded AACT increase fibroblast recruitment induced by a fibrin clot, because the cell migratory response has been associated with the wound-healing outcome. We found that some of the factors secreted by AACT fibroblasts are significantly different from those secreted by clot-embedded AACT fibroblasts. Also, that the profile of proteins secreted by AACT fibroblasts and clot-embedded AACT fibroblasts is different from already reported protein secretion profiles of other engineered tissues used in treating oral mucosa wounds. It was also found that AACT fibroblasts are viable when grafted and remain in the treated area for almost 2 weeks, and that the migratory response of fibroblasts to tissue-substitute stimulus is significantly less than the migratory response induced by the clot alone. Overall, data suggest that AACT secretion of proteins is modulated by three-dimensionality and environment factors. This bioactivity and the fact that AACT does not increase fibroblast migration can be held accountable for AACT's good performance as a graft.<\/jats:p>","DOI":"10.1089\/ten.tea.2011.0421","type":"journal-article","created":{"date-parts":[[2012,5,4]],"date-time":"2012-05-04T18:45:37Z","timestamp":1336157137000},"page":"1857-1866","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["<i>In Vitro<\/i>\n                    and\n                    <i>In Vivo<\/i>\n                    Assessment of Oral Autologous Artificial Connective Tissue Characteristics That Influence Its Performance as a Graft"],"prefix":"10.1177","volume":"18","author":[{"given":"Marta Raquel","family":"Fontanilla","sequence":"first","affiliation":[{"name":"Universidad Nacional de Colombia","place":["Colombia"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lady Giovanna","family":"Espinosa","sequence":"additional","affiliation":[{"name":"Universidad Nacional de Colombia","place":["Colombia"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2012,7,2]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1524-475X.2009.00531.x"},{"key":"e_1_3_3_3_2","first-page":"b18","article-title":"Exploring scarless healing of oral soft tissues","volume":"77","author":"Larjava H.","year":"2011","unstructured":"Larjava H., , Wiebe C., , Gallant-Behm C., , Hart D.A., , Heino J., , Hakkinen L. 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