Recombinant tissue plasminogen activator induces blood-brain barrier breakdown by a matrix metalloproteinase-9-independent pathway after transient focal cerebral ischemia in mouse

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Publications associées (31)

Hypertonic Lactate to Improve Cerebral Perfusion and Glucose Availability After Acute Brain Injury

Pierre Magistretti, Jocelyne Bloch

Objectives: Lactate promotes cerebral blood flow and is an efficient substrate for the brain, particularly at times of glucose shortage. Hypertonic lactate is neuroprotective after experimental brain injury; however, human data are limited. ...

LIPPINCOTT WILLIAMS & WILKINS2018

Hyperpolarized C-13 Magnetic Resonance Spectroscopy Reveals the Rate-Limiting Role of the Blood-Brain Barrier in the Cerebral Uptake and Metabolism of L-Lactate in Vivo

Arnaud Comment, Sylvain Eric Lengacher, Bernard Lanz, Mor-Miri Mishkovsky, Tian Cheng, Josefina Adriana Maria Bastiaansen, Yuhei Takado, Hikari Ananda Infinity Yoshihara

The dynamics of L-lactate transport across the blood-brain barrier (BBB) and its cerebral metabolism are still subject to debate. We studied lactate uptake and intracellular metabolism in the mouse brain using hyperpolarized C-13 magnetic resonance spectro ...

2018

Comparison of Regularization Techniques for Microwave Imaging of Brain Stroke

Michael Mattes, Jean-Philippe Thiran, Mina Bjelogrlic, Benjamin Fuchs

This paper studies the performance of three wellknown regularization techniques to solve the inverse problem encountered in differential microwave imaging for brain stroke applications. Reconstructions from a multi-illumination configuration based on measu ...

2018

Distribution of superparamagnetic Au/Fe nanoparticles in an isolated guinea pig brain with an intact blood brain barrier

Francesco Stellacci, Paulo Henrique Jacob Silva

Diagnosis and treatment of brain disorders, such as epilepsy, neurodegenerative diseases and tumors, would benefit from innovative approaches to deliver therapeutic or diagnostic compounds into the brain parenchyma, with either a homogeneous or a targeted ...

ROYAL SOC CHEMISTRY2018

Structural and functional brain imaging using extended-focus optical coherence tomography and microscopy

Paul James Marchand

Neuroimaging techniques aim at revealing the anatomy and functional organisation of cerebral structures. Over the past decades, functional magnetic resonance imaging (fMRI) has revolutionized our understanding of human cerebral physiology through its abili ...

EPFL2018

Neuroplastic Changes Following Brain Ischemia and their Contribution to Stroke Recovery: Novel Approaches in Neurorehabilitation

Silvestro Micera, Stefano Lai

Ischemic damage to the brain triggers substantial reorganization of spared areas and pathways, which is associated with limited, spontaneous restoration of function. A better understanding of this plastic remodeling is crucial to develop more effective str ...

Frontiers Media Sa2017

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

Study of cortical energy metabolism during sensory stimulation-induced brain activity by ¹³C magnetic resonance spectroscopy in vivo

Sarah Catherine Sonnay

Cerebral function is associated with high metabolic activity that is supported by continuous supply of oxygen and glucose from the blood. Coupling between brain energy metabolism and neuronal activity has been studied extensively during the past decades. N ...

EPFL2017

Lactate and Glutamate dynamics during prolonged stimulation of the rat barrel cortex suggest adaptation of cerebral glucose and oxygen metabolism

João Miguel das Neves Duarte, Nathalie Just, Sarah Catherine Sonnay

A better understanding of BOLD responses stems from a better characterization of the brain’s ability to metabolize glucose and oxygen. Non-invasive techniques such as functional magnetic resonance spectroscopy (fMRS) have thus been developed allowing for t ...

Elsevier2017

A Microfluidic Brain Interface for In Vivo Recording of Neurochemical Activity

Guillaume Cédric Yves Petitpierre

Neurological disorders have a strong negative impact on the quality of life of affected patients, their close relatives as well as on the health economic system. Early diagnosis associated with better treatment outcomes remain difficult to reach. Similarly ...

EPFL2017

Hyperpolarized MRS: New tool to study real-time brain function and metabolism

Arnaud Comment, Mor-Miri Mishkovsky

The advent of dissolution dynamic nuclear polarization (DNP) led to the emergence of a new kind of magnetic resonance (MR) measurements providing the opportunity to probe metabolism in vivo in real time. It has been shown that, following the injection of h ...

Elsevier2017

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