Browsing Molecular Pathology by author "Jones, Chris"
Now showing items 21-40 of 43
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Integrated Molecular Meta-Analysis of 1,000 Pediatric High-Grade and Diffuse Intrinsic Pontine Glioma.
Mackay, A; Burford, A; Carvalho, D; Izquierdo, E; Fazal-Salom, J; et al. (CELL PRESS, 2017-10-09)We collated data from 157 unpublished cases of pediatric high-grade glioma and diffuse intrinsic pontine glioma and 20 publicly available datasets in an integrated analysis of >1,000 cases. We identified co-segregating ... -
Integration of Multiple Platforms for the Analysis of Multifluorescent Marking Technology Applied to Pediatric GBM and DIPG.
Pericoli, G; Petrini, S; Giorda, E; Ferretti, R; Ajmone-Cat, MA; et al. (MDPI, 2020-09-15)The intratumor heterogeneity represents one of the most difficult challenges for the development of effective therapies to treat pediatric glioblastoma (pGBM) and diffuse intrinsic pontine glioma (DIPG). These brain tumors ... -
Investigating intracranial tumour growth patterns with multiparametric MRI incorporating Gd-DTPA and USPIO-enhanced imaging.
Boult, JKR; Borri, M; Jury, A; Popov, S; Box, G; et al. (WILEY, 2016-11-01)High grade and metastatic brain tumours exhibit considerable spatial variations in proliferation, angiogenesis, invasion, necrosis and oedema. Vascular heterogeneity arising from vascular co-option in regions of invasive ... -
Investigating the Contribution of Collagen to the Tumor Biomechanical Phenotype with Noninvasive Magnetic Resonance Elastography.
Li, J; Zormpas-Petridis, K; Boult, JKR; Reeves, EL; Heindl, A; et al. (AMER ASSOC CANCER RESEARCH, 2019-11-15)Increased stiffness in the extracellular matrix (ECM) contributes to tumor progression and metastasis. Therefore, stromal modulating therapies and accompanying biomarkers are being developed to target ECM stiffness. Magnetic ... -
Loss of 5'-Methylthioadenosine Phosphorylase (MTAP) is Frequent in High-Grade Gliomas; Nevertheless, it is Not Associated with Higher Tumor Aggressiveness.
Menezes, WPD; Silva, VAO; Gomes, INF; Rosa, MN; Spina, MLC; et al. (MDPI, 2020-02-20)The 5'-methylthioadenosine phosphorylase (MTAP) gene is located in the chromosomal region 9p21. MTAP deletion is a frequent event in a wide variety of human cancers; however, its biological role in tumorigenesis remains ... -
Molecular, Pathological, Radiological, and Immune Profiling of Non-brainstem Pediatric High-Grade Glioma from the HERBY Phase II Randomized Trial.
Mackay, A; Burford, A; Molinari, V; Jones, DTW; Izquierdo, E; et al. (CELL PRESS, 2018-05-14)The HERBY trial was a phase II open-label, randomized, multicenter trial evaluating bevacizumab (BEV) in addition to temozolomide/radiotherapy in patients with newly diagnosed non-brainstem high-grade glioma (HGG) between ... -
Neural Precursor-Derived Pleiotrophin Mediates Subventricular Zone Invasion by Glioma.
Qin, EY; Cooper, DD; Abbott, KL; Lennon, J; Nagaraja, S; et al. (CELL PRESS, 2017-08-24)The lateral ventricle subventricular zone (SVZ) is a frequent and consequential site of pediatric and adult glioma spread, but the cellular and molecular mechanisms mediating this are poorly understood. We demonstrate that ... -
Novel Quinazolinone Inhibitors of ALK2 Flip between Alternate Binding Modes: Structure-Activity Relationship, Structural Characterization, Kinase Profiling, and Cellular Proof of Concept.
Hudson, L; Mui, J; Vázquez, S; Carvalho, DM; Williams, E; et al. (AMER CHEMICAL SOC, 2018-08-23)Structure-activity relationship and crystallographic data revealed that quinazolinone-containing fragments flip between two distinct modes of binding to activin receptor-like kinase-2 (ALK2). We explored both binding modes ... -
p53 Loss in MYC-Driven Neuroblastoma Leads to Metabolic Adaptations Supporting Radioresistance.
Yogev, O; Barker, K; Sikka, A; Almeida, GS; Hallsworth, A; et al. (AMER ASSOC CANCER RESEARCH, 2016-09-29)Neuroblastoma is the most common childhood extracranial solid tumor. In high-risk cases, many of which are characterized by amplification of MYCN, outcome remains poor. Mutations in the p53 (TP53) tumor suppressor are rare ... -
Pathogenic ACVR1R206H activation by Activin A-induced receptor clustering and autophosphorylation.
Ramachandran, A; Mehić, M; Wasim, L; Malinova, D; Gori, I; et al. (WILEY, 2021-07-15)Fibrodysplasia ossificans progressiva (FOP) and diffuse intrinsic pontine glioma (DIPG) are debilitating diseases that share causal mutations in ACVR1, a TGF-β family type I receptor. ACVR1R206H is a frequent mutation in ... -
Pediatric and adult glioblastoma radiosensitization induced by PI3K/mTOR inhibition causes early metabolic alterations detected by nuclear magnetic resonance spectroscopy.
Agliano, A; Balarajah, G; Ciobota, DM; Sidhu, J; Clarke, PA; et al. (IMPACT JOURNALS LLC, 2017-07-18)Poor outcome for patients with glioblastomas is often associated with radioresistance. PI3K/mTOR pathway deregulation has been correlated with radioresistance; therefore, PI3K/mTOR inhibition could render tumors radiosensitive. ... -
Pediatric high-grade glioma: biologically and clinically in need of new thinking.
Jones, C; Karajannis, MA; Jones, DTW; Kieran, MW; Monje, M; et al. (OXFORD UNIV PRESS INC, 2017-02-01)High-grade gliomas in children are different from those that arise in adults. Recent collaborative molecular analyses of these rare cancers have revealed previously unappreciated connections among chromatin regulation, ... -
Phase II, Open-Label, Randomized, Multicenter Trial (HERBY) of Bevacizumab in Pediatric Patients With Newly Diagnosed High-Grade Glioma.
Grill, J; Massimino, M; Bouffet, E; Azizi, AA; McCowage, G; et al. (AMER SOC CLINICAL ONCOLOGY, 2018-04-01)Purpose Bevacizumab (BEV) is approved in more than 60 countries for use in adults with recurrent glioblastoma. We evaluated the addition of BEV to radiotherapy plus temozolomide (RT+TMZ) in pediatric patients with newly ... -
RACK7 recognizes H3.3G34R mutation to suppress expression of MHC class II complex components and their delivery pathway in pediatric glioblastoma.
Jiao, F; Li, Z; He, C; Xu, W; Yang, G; et al. (AMER ASSOC ADVANCEMENT SCIENCE, 2020-07-01)Histone H3 point mutations have been identified in incurable pediatric brain cancers, but the mechanisms through which these mutations drive tumorigenesis are incompletely understood. Here, we provide evidence that RACK7 ... -
Radiological Evaluation of Newly Diagnosed Non-Brainstem Pediatric High-Grade Glioma in the HERBY Phase II Trial.
Rodriguez Gutierrez, D; Jones, C; Varlet, P; Mackay, A; Warren, D; et al. (AMER ASSOC CANCER RESEARCH, 2020-04-15)PURPOSE: The HERBY trial evaluated the benefit of the addition of the antiangiogenic agent Bevacizumab (BEV) to radiotherapy/temozolomide (RT/TMZ) in pediatric patients with newly diagnosed non-brainstem high-grade glioma ... -
Recent Advances in ALK2 Inhibitors.
Rooney, L; Jones, C (AMER CHEMICAL SOC, 2021-08-17)Activin receptor-like kinase-2 (ALK2) is a type I bone morphogenetic protein (BMP) receptor which has a role in biological processes that control the development of bone, heart, brain, and other tissue. Gain of function ... -
Recurrent MET fusion genes represent a drug target in pediatric glioblastoma.
International Cancer Genome Consortium PedBrain Tumor Project, (NATURE PUBLISHING GROUP, 2016-11-01)Pediatric glioblastoma is one of the most common and most deadly brain tumors in childhood. Using an integrative genetic analysis of 53 pediatric glioblastomas and five in vitro model systems, we identified previously ... -
Repurposing Vandetanib plus Everolimus for the Treatment of ACVR1-Mutant Diffuse Intrinsic Pontine Glioma.
Carvalho, DM; Richardson, PJ; Olaciregui, N; Stankunaite, R; Lavarino, C; et al. (AMER ASSOC CANCER RESEARCH, 2022-02-01)Somatic mutations in ACVR1 are found in a quarter of children with diffuse intrinsic pontine glioma (DIPG), but there are no ACVR1 inhibitors licensed for the disease. Using an artificial intelligence-based platform to ... -
The long non-coding RNA HOTAIR is transcriptionally activated by HOXA9 and is an independent prognostic marker in patients with malignant glioma.
Xavier-Magalhães, A; Gonçalves, CS; Fogli, A; Lourenço, T; Pojo, M; et al. (Impact Journals, LLC, 2018-03-20)The lncRNA HOTAIR has been implicated in several human cancers. Here, we evaluated the molecular alterations and upstream regulatory mechanisms of HOTAIR in glioma, the most common primary brain tumors, and its clinical ... -
The oncolytic virus Delta-24-RGD elicits an antitumor effect in pediatric glioma and DIPG mouse models.
Martínez-Vélez, N; Garcia-Moure, M; Marigil, M; González-Huarriz, M; Puigdelloses, M; et al. (NATURE PUBLISHING GROUP, 2019-05-28)Pediatric high-grade glioma (pHGG) and diffuse intrinsic pontine gliomas (DIPGs) are aggressive pediatric brain tumors in desperate need of a curative treatment. Oncolytic virotherapy is emerging as a solid therapeutic ...