Publications associées à Glioblastome multiforme

A fatty-acid based probe for near-infrared fluorescence guided surgery of glioblastoma

High-grade gliomas (HGG) are the most common and most aggressive primary tumors of the brain. Despite recent advances in neuro-oncology survival of these tumors remains around 12-15 months. The first-line of treatment is surgical resection. However, due to ...

Spie-Int Soc Optical Engineering2024

Elucidating and modulating regulatory pathways so as to reprogram the immunosuppressive tumor microenvironment for therapeutic benefit

Agnieszka Alicja Chryplewicz

Glioblastoma (GBM) is the most frequent and highly malignant form of brain cancer. New therapeutic regimens are urgently needed as GBM patients present with a minimal response to currently-approved therapies. The goal of this project is to identify new the ...

EPFL2023

Standardized intraoperative 5-ALA photodynamic therapy for newly diagnosed glioblastoma patients: a preliminary analysis of the INDYGO clinical trial

Constantin Tuleasca

Purpose Glioblastoma (GBM) is the most aggressive malignant primary brain tumor. The unfavorable prognosis despite maximal therapy relates to high propensity for recurrence. Thus, overall survival (OS) is quite limited and local failure remains the fundame ...

2021

Hyperpolarized C-13-glucose magnetic resonance highlights reduced aerobic glycolysis in vivo in infiltrative glioblastoma

Rolf Gruetter, Cristina Ramona Cudalbu, Bernard Lanz, Mor-Miri Mishkovsky, Jocelyne Bloch, Arnaud Comment

Glioblastoma (GBM) is the most aggressive brain tumor type in adults. GBM is heterogeneous, with a compact core lesion surrounded by an invasive tumor front. This front is highly relevant for tumor recurrence but is generally non-detectable using standard ...

Nature Research2021

Overcoming microenvironmental resistance to PD-1 blockade in genetically engineered lung cancer models

Michele De Palma, Nadine Fournier, Bruno Torchia, Etienne Meylan, Chiara Cianciaruso, Sina Nassiri, Ioanna Keklikoglou, Ece Kadioglu, Gael Luis Boivin, Amaia Martinez Usatorre, Alan Nicolas Thierry Guichard

Immune checkpoint blockade (ICB) with PD-1 or PD-L1 antibodies has been approved for the treatment of nonsmall cell lung cancer (NSCLC). However, only a minority of patients respond, and sustained remissions are rare. Both chemotherapy and antiangiogenic d ...

AMER ASSOC ADVANCEMENT SCIENCE2021

Metabolic and transcriptomic profiles of glioblastoma invasion revealed by comparisons between patients and corresponding orthotopic xenografts in mice

Lijing Xin, Cristina Ramona Cudalbu, Mario Gaetano Lepore, Marta Lai

The invasive behavior of glioblastoma, the most aggressive primary brain tumor, is considered highly relevant for tumor recurrence. However, the invasion zone is difficult to visualize by Magnetic Resonance Imaging (MRI) and is protected by the blood brain ...

2021

In vivo detection of gamma-glutamyl-transferase up-regulation in glioma using hyperpolarized gamma-glutamyl-[1-C-13]glycine

Hikari Ananda Infinity Yoshihara

Glutathione (GSH) is often upregulated in cancer, where it serves to mitigate oxidative stress. gamma-glutamyl-transferase (GGT) is a key enzyme in GSH homeostasis, and compared to normal brain its expression is elevated in tumors, including in primary gli ...

Nature Research2020

Enhanced MR Image Classification Using Hybrid Statistical and Wavelets Features

Mohammad Khaja Nazeeruddin

Classification of brain tumor is one of the most vital tasks within medical image processing. Classification of images greatly depends on the features extracted from the image, and thus, feature extraction plays a great role in the correct classification o ...

2019

Combinatorial targeting of angiogenesis with inducers of autophagy in the treatment of glioblastoma multiforme

Julie Laetitia Scotton

Malignant gliomas represent 80% of tumors developing in the central nervous system, with 50% being glioblastomas (GBM), the most aggressive form of the disease. The benefit from current therapies is very limited, the overall 5-year survival rate of patient ...

EPFL2018

Detection and benchmarking of somatic mutations in cancer genomes using RNA-seq data

Philipp Bucher, Alexandre Coudray

To detect functional somatic mutations in tumor samples, whole-exome sequencing (WES) is often used for its reliability and relative low cost. RNA-seq, while generally used to measure gene expression, can potentially also be used for identification of soma ...

2018

In vivo characterization of brain metabolism by 1 H MRS, 13 C MRS and 18 FDG PET reveals significant glucose oxidation of invasively growing glioma cells

Rolf Gruetter, Marta Lai, Cristina Ramona Cudalbu, Bernard Lanz, Carole Poitry-Yamate

Glioblastoma are notorious for their highly invasive growth, diffusely infiltrating adjacent brain structures that precludes complete resection, and is a major obstacle for cure. To characterize this "invisible" tumor part, we designed a high resolution mu ...

2018

In vivo cerebral metabolism of glioblastoma xenografts assessed with ¹H MRS, ¹³C MRS and ¹⁸F-FDG PET

Marta Lai

Magnetic resonance spectroscopy (MRS) is a powerful tool when studying metabolism in intact and living organs preserving cells in their natural microenvironment with minimal external interference. The unique insights offered by the observation of metabolic ...

EPFL2017

The flashlights on a distinct role of protein kinase C delta: Phosphorylation of regulatory and catalytic domain upon oxidative stress in glioma cells

Jaroslava Joniová, Veronika Huntosova

Glioblastoma multiforme are considered to be aggressive high-grade tumors with poor prognosis for patient survival. Photodynamic therapy is one of the adjuvant therapies which has been used for glioblastoma multiforme during last decade. Hypericin, a photo ...

Elsevier2017

Automated Classification of Brain Tumor Type in Whole-Slide Digital Pathology Images Using Local Representative Tiles

Adrien Raphaël Depeursinge

Computerized analysis of digital pathology images offers the potential of improving clinical care (e.g. automated diagnosis) and catalyzing research (e.g. discovering disease subtypes). There are two key challenges thwarting computerized analysis of digita ...

Elsevier2016

WIF1 re-expression in glioblastoma inhibits migration through attenuation of non-canonical WNT signaling by downregulating the lncRNA MALAT1

Marta Lai

Glioblastoma is the most aggressive primary brain tumor in adults and due to the invasive nature cannot be completely removed. The WNT inhibitory factor 1 (WIF1), a secreted inhibitor of WNTs, is systematically downregulated in glioblastoma and acts as str ...

Nature Publishing Group2016

Pre-clinical Evaluation of a Cyanine-Based SPECT Probe for Multimodal Tumor Necrosis Imaging

Riccardo Sinisi

Recently we showed that a number of carboxylated near-infrared fluorescent (NIRF) cyanine dyes possess strong necrosis avid properties in vitro as well as in different mouse models of spontaneous and therapy-induced tumor necrosis, indicating their potenti ...

Springer2016

A niche role for periostin and macrophages in glioblastoma

Michele De Palma, Mario Leonardo Squadrito

Macrophages facilitate tumour progression, but it is unclear whether this capability is influenced by tumour-initiating cells. Glioblastoma stem cells are now shown to secrete periostin, a matrix protein that recruits protumoral macrophages and enhances gl ...

Nature Publishing Group2015

Hyperdiploid tumor cells increase phenotypic heterogeneity within Glioblastoma tumors

Here we report the identification of a proliferative, viable, and hyperdiploid tumor cell subpopulation present within Glioblastoma (GB) patient tumors. Using xenograft tumor models, we demonstrate that hyperdiploid cell populations are maintained in xenog ...

Royal Soc Chemistry2014

Monitoring the effects of dexamethasone treatment by MRI using in vivo iron oxide nanoparticle-labeled macrophages

Heinrich Hofmann, Lionel André Maurizi, Géraldine Sylvie Coullerez

Introduction: Rheumatoid arthritis (RA) is a chronic disease causing recurring inflammatory joint attacks. These attacks are characterized by macrophage infiltration contributing to joint destruction. Studies have shown that RA treatment efficacy is correl ...

Biomed Central Ltd2014

MGMT methylation analysis of glioblastoma on the Infinium methylation BeadChip identifies two distinct CpG regions associated with gene silencing and outcome, yielding a prediction model for comparisons across datasets, tumor grades, and CIMP-status

Jocelyne Bloch, Mauro Delorenzi

The methylation status of the O-6-methylguanine-DNA methyltransferase (MGMT) gene is an important predictive biomarker for benefit from alkylating agent therapy in glioblastoma. Recent studies in anaplastic glioma suggest a prognostic value for MGMT methyl ...

Springer-Verlag2012