Genomic discoveries in adult astrocytoma

Joanna Wang, Chetan Bettegowda

Research output: Contribution to journalReview article

Abstract

Astrocytomas are the most common glial tumor of the central nervous system. Within this category, glioblastoma is the most prevalent and malignant primary brain tumor. Glioblastoma can arise de novo, or through progression from lower-grade lesions, but is uniformly associated with poor outcomes despite surgical resection, chemotherapy, and radiation therapy. Recent genomic discoveries have provided new insight into gliomagenesis and have identified key genetic alterations that have diagnostic, prognostic and predictive capacity. Numerous molecular classification schemes have been proposed to sort tumors into clinically meaningful categories to guide treatment. However, creating therapy targeted towards these alterations has been made challenging by the redundancy of essential signal transduction pathways affected in these tumors, intratumoral heterogeneity, and the hypermutated profiles of recurrent tumors. Future treatment strategies will require a personalized approach with consideration of the unique genetic profile of a specific tumor and the use of multimodality therapies.

Original languageEnglish (US)
Pages (from-to)17-24
Number of pages8
JournalCurrent Opinion in Genetics and Development
Volume30
DOIs
StatePublished - Feb 1 2015

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

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