PMID- 27877662 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20240326 IS - 1468-6996 (Print) IS - 1878-5514 (Electronic) IS - 1468-6996 (Linking) VI - 15 IP - 2 DP - 2014 Apr TI - Modulation of human dermal microvascular endothelial cell and human gingival fibroblast behavior by micropatterned silica coating surfaces for zirconia dental implant applications. PG - 025001 LID - 025001 AB - Dental ceramic implants have shown superior esthetic behavior and the absence of induced allergic disorders when compared to titanium implants. Zirconia may become a potential candidate to be used as an alternative to titanium dental implants if surface modifications are introduced. In this work, bioactive micropatterned silica coatings were produced on zirconia substrates, using a combined methodology of sol-gel processing and soft lithography. The aim of the work was to compare the in vitro behavior of human gingival fibroblasts (HGFs) and human dermal microvascular endothelial cells (HDMECs) on three types of silica-coated zirconia surfaces: flat and micropatterned (with pillars and with parallel grooves). Our results showed that cells had a higher metabolic activity (HGF, HDMEC) and increased gene expression levels of fibroblast-specific protein-1 (FSP-1) and collagen type I (COL I) on surfaces with pillars. Nevertheless, parallel grooved surfaces were able to guide cell growth. Even capillary tube-like networks of HDMEC were oriented according to the surface geometry. Zirconia and silica with different topographies have shown to be blood compatible and silica coating reduced bacteria adhesion. All together, the results indicated that microstructured bioactive coating seems to be an efficient strategy to improve soft tissue integration on zirconia implants, protecting implants from peri-implant inflammation and improving long-term implant stabilization. This new approach of micropatterned silica coating on zirconia substrates can generate promising novel dental implants, with surfaces that provide physical cues to guide cells and enhance their behavior. FAU - Laranjeira, Marta S AU - Laranjeira MS AD - INEB-Instituto Engenharia Biomedica, Universidade do Porto, Porto, Portugal; Faculdade de Engenharia, DEMM, Universidade do Porto, Porto, Portugal. FAU - Carvalho, Angela AU - Carvalho A AD - INEB-Instituto Engenharia Biomedica, Universidade do Porto, Porto, Portugal; Faculdade de Engenharia, DEMM, Universidade do Porto, Porto, Portugal. FAU - Pelaez-Vargas, Alejandro AU - Pelaez-Vargas A AD - Facultad de Odontologia, Universidad Cooperativa de Colombia, Medellin, Colombia. FAU - Hansford, Derek AU - Hansford D AD - Department of Biomedical Engineering (BME), Ohio State University, Columbus, OH, USA. FAU - Ferraz, Maria Pia AU - Ferraz MP AD - INEB-Instituto Engenharia Biomedica, Universidade do Porto, Porto, Portugal; Laboratory CEBIMED-Centro de Estudos em Biomedicina, Universidade Fernando Pessoa, Porto, Portugal. FAU - Coimbra, Susana AU - Coimbra S AD - IBMC-Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal; CESPU-Instituto de Investigacao e Formacao Avancada em Ciencias e Tecnologias da Saude, Gandra-PRD, Portugal. FAU - Costa, Elisio AU - Costa E AD - IBMC-Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal; Departamento de Ciencias Biologicas-Servico de Bioquimica, Faculdade de Farmacia, Universidade do Porto, Porto, Portugal. FAU - Santos-Silva, Alice AU - Santos-Silva A AD - IBMC-Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal; Departamento de Ciencias Biologicas-Servico de Bioquimica, Faculdade de Farmacia, Universidade do Porto, Porto, Portugal. FAU - Fernandes, Maria Helena AU - Fernandes MH AD - Laboratory for Bone Metabolism and Regeneration, Faculdade de Medicina Dentaria, Universidade do Porto, Porto, Portugal. FAU - Monteiro, Fernando Jorge AU - Monteiro FJ AD - INEB-Instituto Engenharia Biomedica, Universidade do Porto, Porto, Portugal; Faculdade de Engenharia, DEMM, Universidade do Porto, Porto, Portugal. LA - eng PT - Journal Article DEP - 20140307 PL - United States TA - Sci Technol Adv Mater JT - Science and technology of advanced materials JID - 101614420 PMC - PMC5090413 OTO - NOTNLM OT - Bacteria adhesion OT - Biomaterials OT - Hemolysis OT - Human dermal microvascular endothelial cells (HDMECs) OT - Human gingival fibroblasts (HGFs) OT - Micropatterning OT - Soft lithography EDAT- 2014/03/07 00:00 MHDA- 2014/03/07 00:01 PMCR- 2014/03/07 CRDT- 2016/11/24 06:00 PHST- 2013/04/19 00:00 [received] PHST- 2014/03/07 00:00 [revised] PHST- 2014/02/09 00:00 [accepted] PHST- 2016/11/24 06:00 [entrez] PHST- 2014/03/07 00:00 [pubmed] PHST- 2014/03/07 00:01 [medline] PHST- 2014/03/07 00:00 [pmc-release] AID - TSTA11661157 [pii] AID - 10.1088/1468-6996/15/2/025001 [doi] PST - epublish SO - Sci Technol Adv Mater. 2014 Mar 7;15(2):025001. doi: 10.1088/1468-6996/15/2/025001. eCollection 2014 Apr.