User profiles for Brent A. Orr

Brent A. Orr, MD, PhD

Member, St. Jude Children's Research Hospital
Verified email at stjude.org
Cited by 8513

[PDF][PDF] New brain tumor entities emerge from molecular classification of CNS-PNETs

D Sturm, BA Orr, UH Toprak, V Hovestadt, DTW Jones… - Cell, 2016 - cell.com
Primitive neuroectodermal tumors of the central nervous system (CNS-PNETs) are highly
aggressive, poorly differentiated embryonal tumors occurring predominantly in young children …

cIMPACT‐NOW update 6: new entity and diagnostic principle recommendations of the cIMPACT‐Utrecht meeting on future CNS tumor classification and grading

…, C Hawkins, T Komori, JM Kros, HK Ng, BA Orr… - 2020 - Wiley Online Library
cIMPACT‐NOW (the Consortium to Inform Molecular and Practical Approaches to CNS Tumor
Taxonomy) was established to evaluate and make practical recommendations on recent …

[HTML][HTML] Vismodegib exerts targeted efficacy against recurrent sonic hedgehog–subgroup medulloblastoma: results from phase II pediatric brain tumor consortium …

GW Robinson, BA Orr, G Wu… - Journal of Clinical …, 2015 - ncbi.nlm.nih.gov
Purpose Two phase II studies assessed the efficacy of vismodegib, a sonic hedgehog (SHH)
pathway inhibitor that binds smoothened (SMO), in pediatric and adult recurrent …

Active medulloblastoma enhancers reveal subgroup-specific cellular origins

…, T Risch, HJ Warnatz, BC Worst, B Ju, BA Orr… - Nature, 2016 - nature.com
Medulloblastoma is a highly malignant paediatric brain tumour, often inflicting devastating
consequences on the developing child. Genomic studies have revealed four distinct …

Resolving medulloblastoma cellular architecture by single-cell genomics

…, J Easton, SM Pfister, A Regev, A Gajjar, BA Orr… - Nature, 2019 - nature.com
Medulloblastoma is a malignant childhood cerebellar tumour type that comprises distinct
molecular subgroups. Whereas genomic characteristics of these subgroups are well defined, …

[HTML][HTML] Long interspersed element-1 protein expression is a hallmark of many human cancers

…, AM De Marzo, W Westra, ZA Binder, BA Orr… - The American journal of …, 2014 - Elsevier
Cancers comprise a heterogeneous group of human diseases. Unifying characteristics
include unchecked abilities of tumor cells to proliferate and spread anatomically, and the …

Genomes for kids: the scope of pathogenic mutations in pediatric cancer revealed by comprehensive DNA and RNA sequencing

…, MN Edmonson, A Thrasher, A Bahrami, BA Orr… - Cancer discovery, 2021 - AACR
Pediatric cancers are driven by diverse genomic lesions, and sequencing has proven useful
in evaluating high-risk and relapsed/refractory cases. We show that combined WGS, WES, …

Activation of canonical WNT/β-catenin signaling enhances in vitro motility of glioblastoma cells by activation of ZEB1 and other activators of epithelial-to-mesenchymal …

UD Kahlert, D Maciaczyk, S Doostkam, BA Orr… - Cancer letters, 2012 - Elsevier
Here we show that activation of the canonical WNT/β-catenin pathway increases the expression
of stem cell genes and promotes the migratory and invasive capacity of glioblastoma. …

Unified rhombic lip origins of group 3 and group 4 medulloblastoma

…, A Gajjar, GW Robinson, V Hovestadt, BA Orr… - Nature, 2022 - nature.com
Medulloblastoma, a malignant childhood cerebellar tumour, segregates molecularly into
biologically distinct subgroups, suggesting that a personalized approach to therapy would be …

[HTML][HTML] Decreased 5-hydroxymethylcytosine is associated with neural progenitor phenotype in normal brain and shorter survival in malignant glioma

BA Orr, MC Haffner, WG Nelson, S Yegnasubramanian… - PloS one, 2012 - journals.plos.org
Epigenetic modification of DNA by cytosine methylation to produce 5-methylcytosine (5mC)
has become well-recognized as an important epigenetic process in human health and …