Publications by Mor-Miri Mishkovsky

Tracking Hyperpolarized [1-¹³C] Pyruvate and [1-¹³C] L-Lactate Metabolism in the Healthy and Post-Stroke Mouse Brain

Bernard Lanz, Rolf Gruetter, Elise Marie Catherine Vinckenbosch, Lara Buscemi Estefanell, Mor-Miri Mishkovsky, Mario Gaetano Lepore, Jean-Noël Hyacinthe, Thanh Phong Kevin Lê

Tracking hyperpolarized (HP) ¹³C labeling from either [1-¹³C] pyruvate or [1-¹³C] lactate is a useful tool to assess intermediary metabolism in vivo, which has already been translated from preclinical to clinical research. HP [1-¹³C] pyruvate and [1-¹³C] l ...

Wiley2025

A hybrid setup for rodent hyperpolarized metabolic imaging using a clinical magnetic resonance scanner

Mor-Miri Mishkovsky

Metabolic magnetic resonance spectroscopic imaging using hyperpolarized contrast agents offers a non-invasive approach to monitoring real-time in vivo energy metabolism. The technique involves hyperpolarizing a contrast agent in a polarizer, administering ...

2025

Influence of DNP Polarizing Agents on Biochemical Processes: TEMPOL in Transient Ischemic Stroke

Lara Buscemi Estefanell, Mor-Miri Mishkovsky, Mario Gaetano Lepore, Jean-Noël Hyacinthe, Thanh Phong Kevin Lê

Hyperpolarization of 13C by dissolution dynamic nuclear polarization (dDNP) boosts the sensitivity of magnetic resonance spectroscopy (MRS), making possible the monitoring in vivo and in real time of the biochemical reactions of exogenously infused 13C-lab ...

2023

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

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

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

Measuring Glycolytic Activity with Hyperpolarized [2H7, U-13C6] D-Glucose in the Naive Mouse Brain under Different Anesthetic Conditions

Yves Pilloud, Bernard Lanz, Rolf Gruetter, Mor-Miri Mishkovsky, Emmanuelle Ines Flatt, Andrea Capozzi

Glucose is the primary fuel for the brain; its metabolism is linked with cerebral function. Different magnetic resonance spectroscopy (MRS) techniques are available to assess glucose metabolism, providing complementary information. Our first aim was to inv ...

2021

Evaluating the potential of hyperpolarised [1-13C] L-lactate as a neuroprotectant metabolic biosensor for stroke

Lara Buscemi Estefanell, Mor-Miri Mishkovsky, Mario Gaetano Lepore, Jean-Noël Hyacinthe, Thanh Phong Kevin Lê

Cerebral metabolism, which can be monitored by magnetic resonance spectroscopy (MRS), changes rapidly after brain ischaemic injury. Hyperpolarisation techniques boost (13)C MRS sensitivity by several orders of magnitude, thereby enabling in vivo monitoring ...

Nature Research2020

Noninvasive rapid detection of metabolic adaptation in activated human T lymphocytes by hyperpolarized 13C magnetic resonance

Arnaud Comment, Nicolas Kunz, Mor-Miri Mishkovsky, Emine Can, Hikari Ananda Infinity Yoshihara

The metabolic shift induced in human CD4+ T lymphocytes by stimulation is characterized by an upregulation of glycolysis, leading to an augmentation in lactate production. This adaptation has already been highlighted with various techniques and reported in ...

Nature Research2020

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

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

Measuring glucose cerebral metabolism in the healthy mouse using hyperpolarized C-13 magnetic resonance

Arnaud Comment, Rolf Gruetter, Mor-Miri Mishkovsky

The mammalian brain relies primarily on glucose as a fuel to meet its high metabolic demand. Among the various techniques used to study cerebral metabolism, C-13 magnetic resonance spectroscopy (MRS) allows following the fate of C-13-enriched substrates th ...

Springer Nature2017

Hyperpolarized 6Li as a probe for hemoglobin oxygenation level

Arnaud Comment, Rolf Gruetter, Ruud van Heeswijk, Riccardo Balzan, Mor-Miri Mishkovsky

Hyperpolarization by dissolution dynamic nuclear polarization (DNP) is a versatile technique to dramatically enhance the nuclear magnetic resonance (NMR) signal intensity of insensitive long-T1 nuclear spins such as 6 Li. The 6 Li longitudinal relaxation o ...

Wiley-Blackwell2016

Producing Radical-Free Hyperpolarized Perfusion Agents for In Vivo Magnetic Resonance Using Spin-Labeled Thermoresponsive Hydrogel

Arnaud Comment, Mor-Miri Mishkovsky, Tian Cheng

Dissolution dynamic nuclear polarization (DNP) provides a way to tremendously improve the sensitivity of nuclear magnetic resonance experiments. Once the spins are hyperpolarized by dissolution DNP, the radicals used as polarizing agents become undesirable ...

Wiley-Blackwell2016

Studying glioblastoma progression in a rat model of human glioma initiating cells using 1H MRS and DTI

Arnaud Comment, Rolf Gruetter, Cristina Ramona Cudalbu, Mor-Miri Mishkovsky, Emine Can

2014

Purely endogenous hyperpolarized [1-13C]Pyruvate solutions for metabolic study in glioblastoma rat models

Arnaud Comment, Rolf Gruetter, Mor-Miri Mishkovsky, Tim Rolf Eichhorn, Emine Can

2014

Automated transfer and injection of hyperpolarized molecules with polarization measurement prior to in vivo NMR

Arnaud Comment, Mor-Miri Mishkovsky, Tian Cheng, Josefina Adriana Maria Bastiaansen

Hyperpolarized magnetic resonance via dissolution dynamic nuclear polarization necessitates the transfer of the hyperpolarized molecules from the polarizer to the imager prior to in vivo measurements. This process leads to unavoidable losses in nuclear pol ...

2013

Brain metabolism in rat model of human glioma initiating cells

Arnaud Comment, Rolf Gruetter, Cristina Ramona Cudalbu, Mor-Miri Mishkovsky

2013

In vivo enzymatic activity of acetylCoA synthetase in skeletal muscle revealed by (13)C turnover from hyperpolarized [1-(13)C]acetate to [1-(13)C]acetylcarnitine

Arnaud Comment, Rolf Gruetter, João Miguel das Neves Duarte, Mor-Miri Mishkovsky, Tian Cheng, Josefina Adriana Maria Bastiaansen

BACKGROUND: Acetate metabolism in skeletal muscle is regulated by acetylCoA synthetase (ACS). The main function of ACS is to provide cells with acetylCoA, a key molecule for numerous metabolic pathways including fatty acid and cholesterol synthesis and the ...

Elsevier Science Bv2013

Hyperpolarization without persistent radicals for in vivo real-time metabolic imaging

Arnaud Comment, Christophe Roussel, Mor-Miri Mishkovsky, Tian Cheng, Tim Rolf Eichhorn, Yuhei Takado, Jean-Noël Hyacinthe, Najat Salameh, Andrea Capozzi

Hyperpolarized substrates prepared via dissolution dynamic nuclear polarization have been proposed as magnetic resonance imaging (MRI) agents for cancer or cardiac failure diagnosis and therapy monitoring through the detection of metabolic impairments in v ...

National Academy of Sciences2013

Bioreactor to simultaneously measure three parallel in vitro preparations

Arnaud Comment, Yves Pilloud, Rolf Gruetter, Riccardo Balzan, Mor-Miri Mishkovsky, Leila Drissi Daoudi - Kleinbauer, Emine Can

2013

Localized in vivo hyperpolarization transfer sequences

Arnaud Comment, Rolf Gruetter, Mor-Miri Mishkovsky, Tian Cheng

In vivo localized and fully adiabatic homonuclear and heteronuclear polarization transfer experiments were designed and performed in the rat brain at 9.4 T after infusion of hyperpolarized sodium [1,2-(13) C(2) ] and sodium [1-(13) C] acetate. The method p ...

Wiley-Blackwell2012