Browsing by Author Della Coletta, Ricardo

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Showing results 1 to 7 of 7
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1-Jun-2003Amiloidose na cavidade bucal: aspectos clínicos, histopatológicos e ultra-estruturaisFaria, Paulo Rogério de; Menezes, Luiz Fernando Carvalho de; Saldiva, Paulo Hilário Nascimento; Della Coletta, Ricardo; Vargas, Pablo Agustin-Artigo de periódico
1-Dec-2002Comparação entre fibroblastos gengivais e do ligamento periodontal de um mesmo indivíduoPalioto, Daniela Bazan; Della Coletta, Ricardo; Martelli Júnior, Hercílio; Joly, Julio Cesar; Graner, Edgard; Lima, Antonio Fernando Martorelli de-Artigo de periódico
2016Evaluation Of A Subset Of Tumor Suppressor Gene For Copy Number And Epigenitic Changes In Pleomorphic Adenoma And Carcinoma Ex-pleomorphic Adenoma CarcinogenesisMariano, Fernanda Viviane; Egal, Erika Said; Pramio, Dimitrius; Fidalgo, Felipe; Sara, Erica; Costa, Ana Flavia; Gondak, Rogerio de Oliveira; Della Coletta, Ricardo; Almeida, Oslei Paes de; Kowalski, Luiz Paulo; Krepischi, Ana Cristina-Artigo
2014Synchronous antiresorptive osteonecrosis of the jaws and breast cancer metastasisFlores, Isadora Luana; dos Santos-Silva, Alan Roger; Della Coletta, Ricardo; Vargas, Pablo Agustin; Lopes, Márcio Ajudarte-Artigo
2002Comparação entre fibroblastos gengivais e do ligamento periodontal de um mesmo indivíduoPalioto, Daniela Bazan; Della Coletta, Ricardo; Martelli Júnior, Hercílio; Joly, Julio Cesar; Graner, Edgard; de Lima, Antonio Fernando Martorelli-Artigo
2016This study evaluated the temporal expression of osteopontin (OPN) in co-cultures of human osteoblastic cells (SAOS-2) and oral squamous cell carcinoma (OSCC)-derived cells (SCC9) and examined the effects of osteoblast-derived OPN on the neoplastic cell phenotype. Additionally, the effects of these co-cultures on subsequent osteoclastic activity were explored. SCC9 cells were plated on TranswellA (R) membranes that were either coated or not coated with Matrigel and were then co-cultured with SAOS-2 cells during the peak of OPN expression. SCC9 cells exposed to OPN-silenced SAOS-2 cultures and SCC9 cells cultured alone served as controls. SCC9 cells were quantitatively evaluated for cell adhesion, proliferation, migration, and invasion into Matrigel. The impact of co-culturing SAOS-2 and SCC9 cells on the resorptive capacity of U-937-derived osteoclastic cells was also investigated. Furthermore, a reciprocal induction of SAOS-2 and SCC9 cells in terms of OPN expression over the co-culture interval was identified. SAOS-2-secreted OPN altered the SCC9 cell phenotype, leading to enhanced cell adhesion and proliferation and higher Matrigel invasion. This invasion was also enhanced, albeit to a lesser degree, by co-culture with OPN-silenced SAOS-2 cells. Cell migration was not affected. Co-culture with SAOS-2 cells-mainly during the period of peak OPN expression-promoted over-expression of IL-6 and IL-8 by SCC9 cells and enhanced the resorptive capacity of osteoclastic cells. Taken together, these results suggest that osteoblast-derived OPN affects the interactions among OSCC-derived epithelial cells, osteoblasts, and osteoclasts, which could contribute to the process of bone destruction during bone invasion by OSCCTeixeira, Lucas Novaes; Spinola de Castro Raucci, Larissa Moreira; Alonso, Gabriela Caroline; Della Coletta, Ricardo; Rosa, Adalberto Luiz; de Oliveira, Paulo Tambasco-Artigo
2015Dirofilariasis involving the oral cavity: report of the first case from South AmericaPereira, Laudenice Lucena; Della Coletta, Ricardo; Monteiro, Larissa Cavalcanti; Nicolau Ferreira, Victor Yuri; Leon, Jorge Esquiche; Ferreti Bonan, Paulo Rogerio-Artigo