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Optimization of glioma lines mitochondrial isolation

Grant number: 15/10163-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2015
Effective date (End): May 31, 2016
Field of knowledge:Biological Sciences - Biology
Principal researcher:Suely Kazue Nagahashi Marie
Grantee:Juliana Kapczynski dos Santos
Home Institution: Faculdade de Medicina (FM). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:13/02162-8 - Molecular pathogenesis and characterization of monogenic developmental diseases: a route to translational medicine, AP.TEM

Abstract

Mitochondria is the responsible organelle for energy generation in eukaryote organisms and cellular homeostasis, because it participates of the basal operations of the organism. Therefore, a disfunction of this organelle may be associated to the development and the progression of several diseases. Methylation, an epigenetic process common to the nuclear DNA, was also identified in the mitochondrial DNA and it is related to factors like malnutrition and neurologic diseases as Parkinson, Alzheimer, dementia and even cancer. Astrocytomas are glial cancers classified into four stages, being the most aggressive the glioblastoma. Previous data from our laboratory showed that the number of mitochondrial DNA copy is altered in glioblastomas. Thus, now we intend to isolate mitochondria from different cell lines in order to compare among them the mass of organelles and the concentration and purity of the DNA extracted from the same cell concentration. So, in the future, it may be possible to investigate the mitochondrial DNA methylation.

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