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Isolation and characterization of highly osteogenic/cementogenic periodontal ligament mesenchymal stem cell clones

Grant number: 13/08919-3
Support type:Regular Research Grants
Duration: December 01, 2013 - May 31, 2016
Field of knowledge:Health Sciences - Dentistry - Periodontology
Principal Investigator:Karina Gonzales Silvério Ruiz
Grantee:Karina Gonzales Silvério Ruiz
Home Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil
Assoc. researchers:Francisco Humberto Nociti Junior ; Luciane Martins


Cells derived from the periodontal ligament (PDL) have previously been reported to have stem cell-like characteristics and to play an important part to promote the regeneration of periodontal tissue destroyed by periodontal disease. However, these populations have been heterogeneous, and thus far no specific cellular phenotype has yet been established as being more capable in re-building damage tissues. The aim of presente study will be to isolate highly osteogenic/cementogenic PDL stem cell clones and to delineate their phenotypic and functional characteristics. Using "ring-cloning" technique, cell clones (homogenous populations) will be obtained from three PDL mesenchymal stem cell populations and assessed to: a) osteogenic/cementogenic induction evaluated by von Kossa/alizarin red staining and expression of RUNX2, ALP and OCN, b) adipogenic induction assessed by oil red O staining and PPARgama2 and LPL gene expression, c) proliferation rate and viability by MTS, d) immunostaining for STRO-1, e) screening of surface markers assessed by gene expression (RNAseq technique), and mass spectometry of protein . After identification of surface markers expressed by osteogenic/cementogenic clone cells, specific assays will be perfomed to assess the signaling pathway by these markers promote cell differentiation. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MIKI TAKETOMI SAITO; LUCIANA SOUTO MOFATTO; MAYRA LAINO ALBIERO; MÁRCIO ZAFALLON CASATI; ENILSON ANTONIO SALLUM; FRANCISCO HUMBERTO NOCITI JUNIOR; KARINA GONZALES SILVÉRIO. Transcriptome profile of highly osteoblastic/cementoblastic periodontal ligament cell clones. Journal of Applied Oral Science, v. 28, p. -, 2020. Web of Science Citations: 0.

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