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Journal ArticleDOI

The Genetics of Pediatric Brain Tumors

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TLDR
This review summarizes the current state of knowledge, emphasizes recent seminal findings in the field, and proposes future research efforts needed to further characterize the genetic basis of pediatric brain tumors.
Abstract
Brain tumors are the most common childhood solid malignancy and the leading cause of cancer-related death in children. Medulloblastoma, ependymoma, supratentorial primitive neuroectodermal tumors, and pilocytic astrocytoma are the most prevalent types, all of which are clinically, histologically, and genetically heterogeneous. Despite an incomplete molecular understanding of these tumors, we have made significant headway in the past 5 years in identifying and classifying important genetic alterations and pathways central to the disease process. This review summarizes our current state of knowledge, emphasizes recent seminal findings in the field, and proposes future research efforts needed to further characterize the genetic basis of pediatric brain tumors.

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Citations
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Journal ArticleDOI

Cytogenetic Prognostication Within Medulloblastoma Subgroups

David Shih, +95 more
TL;DR: A small panel of cytogenetic biomarkers is identified that reliably identifies very high-risk and very low-risk groups of patients, making it an excellent tool for selecting patients for therapy intensification and therapy de-escalation in future clinical trials.
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Long-term epilepsy-associated tumors.

TL;DR: Establishing the epileptogenic components of LEAT will elucidate the cellular mechanisms of epileptogenesis, which in turn will guide optimal surgical management of these lesions.
Journal ArticleDOI

Molecular subgroups of medulloblastoma

TL;DR: A summary of recent studies that have contributed to the understanding of the core medulloblastoma subgroups is presented, focusing largely on clinically relevant discoveries that have already, and will continue to, shape research.
Journal ArticleDOI

TERT promoter mutations are highly recurrent in SHH subgroup medulloblastoma

Marc Remke, +87 more
TL;DR: TERT mutations define a subset of SHH medulloblastoma with distinct demographics, cytogenetics, and outcomes, and are very highly enriched in adult SHH and WNT tumors.
Journal ArticleDOI

Therapeutic Impact of Cytoreductive Surgery and Irradiation of Posterior Fossa Ependymoma in the Molecular Era: A Retrospective Multicohort Analysis

Vijay Ramaswamy, +123 more
TL;DR: The most impactful biomarker for posterior fossa ependymoma is molecular subgroup affiliation, independent of other demographic or treatment variables, with the survival rates being particularly poor for subtotally resected EPN_PFA, even with adjuvant radiation therapy.
References
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Journal ArticleDOI

Population-based studies on incidence, survival rates, and genetic alterations in astrocytic and oligodendroglial gliomas.

TL;DR: Data is summarized on incidence rates, survival, and genetic alterations from population-based studies of astrocytic and oligodendrogliomas that were carried out in the Canton of Zurich, Switzerland to suggest that the acquisition of TP53 mutations in these glioblastoma subtypes may occur through different mechanisms.
Journal ArticleDOI

Germ-line transmission of a mutated p53 gene in a cancer-prone family with Li-Fraumeni syndrome.

TL;DR: The p53 gene in a family affected by Li–Fraumeni syndrome, a rare autosomal dominant syndrome characterized by the occurrence of diverse mesenchymal and epithelial neoplasms at multiple sites, had the same point mutation in codon 245 (GGC→GAC), which leads to substitution of aspartic acid for glycine in one of the regions identified as a frequent target of point mutations in p53.
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