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Investigation of new therapeutic targets from transcriptional networks of genes of the mitotic spindle associated with embryonic developmental pathways in the ependymoma: focus on molecular subgroups of worst outcome

Grant number: 16/19820-6
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2017
Status:Discontinued
Field of knowledge:Health Sciences - Medicine
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Luiz Gonzaga Tone
Grantee:Taciani de Almeida Magalhães
Home Institution: Faculdade de Medicina de Ribeirão Preto (FMRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated research grant:14/20341-0 - Interactions between emerging therapeutic targets and developmental pathways associated with tumorigenesis: emphasis on pediatric malignancies, AP.TEM
Associated scholarship(s):18/18842-1 - The role of the Hedgehog signaling pathway in ependymoma, BE.EP.DR

Abstract

The ependymoma (EPN) is the third brain tumor most frequently in children, however it can also affect adolescents and adults. Despite the standard treatment (surgical resection followed by radiotherapy), about 50% of the patients with this kind of tumor die due resistance to therapies and local tumor recurrence. Because of this fact, genomic methods of high-throughput and computational approaches can allow the discovery of molecular targets more specific for therapy of ependymal tumors of worst outcome, since these approaches enable the survey of complex molecular interations, modeling them as interaction networks. In these search of new targets, highlight the proteins of mitotic spindle, as for example the proteins MAD and BUB, as well as CDKs, PLKs and AURKs, which are involved with chromsomic alterations and tumorigenesis of several tumors. However, the lack of reports that detail the role of these proteins in the EPN. Recent studies also suggest that these proteins can be involved with the regulation of developmental pathways Wnt, Notch and Shh during the progression of several tumors. Nevertheless, it has not been found studies reporting the interaction of proteins with developmental pathways in EPN. In this context, we think the proteins of mitotic spindle may be associated with the developmental pathways during tumorigenesis of EPN subgroup of worst outcome. Therefore, the research proposal of this project is identify transcriptional networks of genes of the mitotic spindle associated with one or more developmental pathways of the ependymal tumors of worst outcome. This investigation will be able to provide new molecular perspectives to the identification of outcome markers and new therapeutic strategies (AU)