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Proteomics Studies of Childhood Pilocytic Astrocytoma
journal contribution
posted on 2011-05-06, 00:00 authored by Athanasios K. Anagnostopoulos, Konstantinos S. Dimas, Chrissa Papathanassiou, Maria Braoudaki, Ema Anastasiadou, Konstantinos Vougas, Kalliopi Karamolegou, Harry Kontos, Neofytos Prodromou, Fotini Tzortzatou-Stathopoulou, George Th. TsangarisChildhood pilocytic astrocytoma is the most frequent brain tumor affecting children. Proteomics analysis is currently considered a powerful tool for global evaluation of protein expression and has been widely applied in the field of cancer research. In the present study, a series of proteomics, genomics, and bioinformatics approaches were employed to identify, classify and characterize the proteome content of low-grade brain tumors as it appears in early childhood. Through bioinformatics database construction, protein profiles generated from pathological tissue samples were compared against profiles of normal brain tissues. Additionally, experiments of comparative genomic hybridization arrays were employed to monitor for genetic aberrations and sustain the interpretation and evaluation of the proteomic data. The current study confirms the dominance of MAPK pathway for the childhood pilocytic astrocytoma occurrence and novel findings regarding the ERK-2 expression are reported.
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Keywords
protein profilesbrain tumorschildhood pilocytic astrocytoma occurrenceProteomics StudiesProteomics analysisChildhood Pilocytic AstrocytomaChildhood pilocytic astrocytomabrain tumorbrain tissuesERKevaluationbioinformatics approachesproteomic datacancer researchtissue samplesproteome contentprotein expressionMAPK pathwaygenomic hybridization arraysbioinformatics database constructionnovel findings
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