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Cytogenetic Studies to Detect Diagnostics and Prognostics Markers in Bone Sarcoma

Grant number: 11/22565-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2012
Effective date (End): December 31, 2012
Field of knowledge:Biological Sciences - Genetics - Human and Medical Genetics
Principal researcher:Marcelo Razera Baruffi
Grantee:Bruna Paes de Barros
Home Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

The search for identifying factors that may point to the diagnosis, therapeutic response and survival of patients with bone sarcoma has been incessant. Assuming the tumor aggressiveness, tissue invasiveness, likelihood of recurrence, a propensity to develop metastasis and response to treatment may be valuable hours in the selection of the therapy.Although dietary and environmental factors contribute to the etiology of cancer, cancer is originated from a multistep process involving alterations of genes and clonal selection of variant progeny. These classes of mutations occur in genes which regulates cell proliferation such as oncogenes, tumor suppressor genes, growth factors, signaling pathways and genes for DNA repair.The knowledge of tumor biology have improved understanding of the multiple aspects of carcinogenesis. However, although the outlook remain, so far, there are few benefits for the prevention, diagnosis, treatment and monitoring of patients with bone sarcomas.This research project aims to detect and describe consistent and recurrent chromosomal changes by using classical cytogenetic analysis with and their involvement with prognosis in primary and secondary bone sarcomas in an attempt to contribute to the achievement of more effective strategies for improve survival rates and benefit a greater number of patients with bone sarcomas.

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