| Grant number: | 14/10250-7 |
| Support Opportunities: | Research Grants - Young Investigators Grants |
| Start date: | April 01, 2015 |
| End date: | September 30, 2019 |
| Field of knowledge: | Biological Sciences - Genetics - Human and Medical Genetics |
| Principal Investigator: | Mariana Camargo Maschietto |
| Grantee: | Mariana Camargo Maschietto |
| Host Institution: | Centro Infantil de Investigações Hematológicas Dr Domingos A Boldrini (CIB). Campinas , SP, Brazil |
| City of the host institution: | Campinas |
| Associated researchers: | Ljubica Tasic |
| Associated research grant(s): | 21/06782-7 - Striking the evolutionary process of bone tumors, AP.JP2 |
| Associated scholarship(s): | 15/22758-8 - Characterization of methylation profile during tumor progression of Wilms tumors,
BP.IC 15/06281-7 - CHARACTERIZATION OF THE EPIGENETIC REGULATION IN HUMAN SOLID PAEDIATRIC TUMOURS, BP.JP |
Abstract
Pediatric solid tumors comprise 3% of all cancers with approximately 70% of these children becoming adults. The treatment of tumors with poorer prognosis has already reached the limits of tolerance requiring the search for alternative therapies. On the other hand, around one in every 750-1000 adults are survivors of cancer in the childhood and suffer late adverse effects from the aggressive treatment they received. The comprension of the biological mechanisms involved with the onset and progression of pediatric tumors is essential to assist in the diagnosis, estimate the prognosis of these patients and develop new treatment strategies. In this study, Wilms tumours and osteosarcomas will be used as models to study the involvement of epigenetic changes with cell transformation in paediatric tumours. The detection of aberrantly methylated genes throughout the genome may help to understand the biology involved in cellular transformation and point out possible candidates for prognostic or therapeutic biomarkers. The purpose of this project is to investigate the global epigenetic dysregulation that occurs in Wilms tumours and osteosarcomas to give insights into the mechanisms involved with cell malignant transformation. For this, a high-coverage microarray will be used to characterize and quantify differences in the methylation level between primary tumors and the respective normal tissues. Once we identify sequences found methylated exclusively in the tumors, detection of these might be tested in the peripheral blood of the patients through high-depth sequencing as potential diagnostic markers. This study requires integration of a wide range of areas, since the use of clinical data, histological analyses of the samples, methylation experiments, high-deph sequencing and bioinformatics, with the potential of establishing a new research area at LNBio. (AU)
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