Search Results - "BEGHEIN, Nelson"
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Thalidomide Radiosensitizes Tumors through Early Changes in the Tumor Microenvironment
Published in Clinical cancer research (15-01-2005)“…Purpose: The aim of this work was to study changes in the tumor microenvironment early after an antiangiogenic treatment using thalidomide (a promising…”
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Early reoxygenation in tumors after irradiation: determining factors and consequences for radiotherapy regimens using daily multiple fractions
Published in International journal of radiation oncology, biology, physics (01-11-2005)“…To characterize changes in the tumor microenvironment early after irradiation and determine the factors responsible for early reoxygenation. Fibrosarcoma type…”
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3
Nitric oxide as a radiosensitizer: Evidence for an intrinsic role in addition to its effect on oxygen delivery and consumption
Published in International journal of cancer (01-05-2004)“…Different nitric oxide (NO)‐mediated treatments (e.g., isosorbide dinitrate, insulin and electrical stimulation of the host tissue) have been investigated for…”
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4
Glucocorticoids Modulate Tumor Radiation Response through a Decrease in Tumor Oxygen Consumption
Published in Clinical cancer research (15-01-2007)“…Purpose: We hypothesized that glucocorticoids may enhance tumor radiosensitivity by increasing tumor oxygenation ( p O 2 ) through inhibition of mitochondrial…”
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Botulinum toxin potentiates cancer radiotherapy and chemotherapy
Published in Clinical cancer research (15-02-2006)“…PURPOSE: Structural and functional abnormalities in the tumor vascular network are considered factors of resistance of solid tumors to cytotoxic treatments. To…”
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Contribution of oxygenation to BOLD contrast in exercising muscle
Published in Magnetic resonance in medicine (01-08-2004)“…The potential physiological and therapeutic applications of functional MRI (fMRI) in skeletal muscle will depend on our ability to identify factors that may…”
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7
Development and evaluation of biocompatible inks for the local measurement of oxygen using in vivo EPR
Published in NMR in biomedicine (01-08-2004)“…In vivo EPR oximetry is a powerful minimally invasive method that allows the measurement of oxygen in tissues through the use of a paramagnetic probe. In the…”
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Potentiation of radiation‐induced regrowth delay by isosorbide dinitrate in FSaII murine tumors
Published in International journal of cancer (01-01-2003)“…Oxygen deficiency in tumors reduces the efficacy of nonsurgical treatment modalities such as conventional radiotherapy and chemotherapy. Since tumor perfusion…”
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9
19F NMR in vivo spectroscopy reflects the effectiveness of perfusion-enhancing vascular modifiers for improving gemcitabine chemotherapy
Published in Magnetic resonance in medicine (01-01-2008)“…Nuclear magnetic resonance spectroscopy of fluorine‐19 (19F NMR) has proven useful for evaluating kinetics of fluorinated chemotherapy drugs in tumors in vivo…”
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In Vivo Detection of Inflammation Using Pegylated Iron Oxide Particles Targeted at E-Selectin: A Multimodal Approach Using MR Imaging and EPR Spectroscopy
Published in Investigative radiology (01-07-2009)“…OBJECTIVES:Ultrasmall particles of iron oxide (USPIO) possess superparamagnetic properties and are used as negative contrast agent in magnetic resonance…”
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Tumor radiosensitization by antiinflammatory drugs : Evidence for a new mechanism involving the oxygen effect
Published in Cancer research (Chicago, Ill.) (01-09-2005)“…We hypothesized that nonsteroidal antiinflammatory drugs (NSAIDs) might enhance tumor radiosensitivity by increasing tumor oxygenation (pO2), via either a…”
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12
Enhancement of quinone redox cycling by ascorbate induces a caspase-3 independent cell death in human leukaemia cells. An in vitro comparative study
Published in Free radical research (01-06-2005)“…Since the higher redox potential of quinone molecules has been correlated with enhanced cellular deleterious effects, we studied the ability of the association…”
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13
Carbon blacks as EPR sensors for localized measurements of tissue oxygenation
Published in Magnetic resonance in medicine (01-06-2004)“…New electron paramagnetic resonance (EPR) oximetry probes were identified in the class of carbon black materials. These compounds exhibit very high oxygen…”
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Changes in tumor oxygenation/perfusion induced by the no donor, isosorbide dinitrate, in comparison with carbogen: monitoring by EPR and MRI
Published in International journal of radiation oncology, biology, physics (01-09-2000)“…In an effort to improve radiotherapy treatments, methods aimed at increasing the quantity of oxygen delivered to tumors were investigated. The aim of this…”
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15
Assessment of liver phagocytic activity using EPR spectrometry and imaging
Published in Magnetic resonance imaging (01-05-2009)“…Abstract The aim of the present study was to evaluate the usefulness of electron paramagnetic resonance (EPR) spectroscopy and imaging in assessing the…”
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16
Original contribution: Assessment of liver phagocytic activity using EPR spectrometry and imaging
Published in Magnetic resonance imaging (01-05-2009)“…The aim of the present study was to evaluate the usefulness of electron paramagnetic resonance (EPR) spectroscopy and imaging in assessing the phagocytic…”
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17
Changes in the tumor microenvironment during low-dose-rate permanent seed implantation iodine-125 brachytherapy
Published in International journal of radiation oncology, biology, physics (15-11-2005)“…There is a lack of data regarding how the tumor microenvironment (e.g., perfusion and oxygen partial pressure [pO2]) changes in response to low-dose-rate (LDR)…”
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19 F NMR in vivo spectroscopy reflects the effectiveness of perfusion‐enhancing vascular modifiers for improving gemcitabine chemotherapy
Published in Magnetic resonance in medicine (01-01-2008)“…Abstract Nuclear magnetic resonance spectroscopy of fluorine‐19 ( 19 F NMR) has proven useful for evaluating kinetics of fluorinated chemotherapy drugs in…”
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19
Preclinical safety and antitumor efficacy of insulin combined with irradiation
Published in Radiotherapy and oncology (01-10-2006)“…We have previously reported that insulin significantly enhances tumor oxygenation ( pO 2) and increases radiation-induced tumor regrowth delay in experimental…”
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20
Nitric oxide-mediated increase in tumor blood flow and oxygenation of tumors implanted in muscles stimulated by electric pulses
Published in International journal of radiation oncology, biology, physics (15-03-2003)“…Oxygen deficiency in tumors reduces the efficacy of nonsurgical treatment modalities. We tested the hypothesis that electrical stimulation of the sciatic nerve…”
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