Výsledky vyhledávání - "Gilles Karcher"

Akademický článek

Assessment of a one-week ketogenic diet on brain glycolytic metabolism and on the status epilepticus stage of a lithium–pilocarpine rat model

Autor: Matthieu Doyen, Clémentine Lambert, Emilie Roeder, Henri Boutley, Bailiang Chen, Julien Pierson, Antoine Verger, Emmanuel Raffo, Gilles Karcher, Pierre-Yves Marie, Fatiha Maskali

Publikováno v: Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)

Abstract The ketogenic diet (KD) has been shown to be effective in refractory epilepsy after long-term administration. However, its interference with short-term brain metabolism and its involvement in the early process leading to epilepsy remain poor

Externí odkaz: https://doaj.org/article/4cdf4ee13ec9434fa5439381f14b5499

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Akademický článek

Fully digital PET is unaffected by any deterioration in TOF resolution and TOF image quality in the wide range of routine PET count rates

Autor: Julien Salvadori, Freddy Odille, Gilles Karcher, Pierre-Yves Marie, Laetitia Imbert

Publikováno v: EJNMMI Physics, Vol 8, Iss 1, Pp 1-17 (2021)

Abstract Purpose Digital PET involving silicon photomultipliers (SiPM) provides an enhanced time-of-flight (TOF) resolution as compared with photomultiplier (PMT)-based PET, but also a better prevention of the count-related rises in dead time and pil

Externí odkaz: https://doaj.org/article/e70cecba4e0b413eaf390a4e0956e74c

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Akademický článek

Head-to-head comparison between digital and analog PET of human and phantom images when optimized for maximizing the signal-to-noise ratio from small lesions

Autor: Julien Salvadori, Freddy Odille, Antoine Verger, Pierre Olivier, Gilles Karcher, Pierre-Yves Marie, Laetitia Imbert

Publikováno v: EJNMMI Physics, Vol 7, Iss 1, Pp 1-14 (2020)

Abstract Background Routine PET exams are increasingly performed with reduced injected activities, leading to the use of different image reconstruction parameters than the NEMA parameters, in order to prevent from any deleterious decrease in signal-t

Externí odkaz: https://doaj.org/article/862e731d56964f0989660eaad776959c

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Akademický článek

Head-to-head comparison of image quality between brain 18F-FDG images recorded with a fully digital versus a last-generation analog PET camera

Autor: Julien Salvadori, Laetitia Imbert, Mathieu Perrin, Gilles Karcher, Zohra Lamiral, Pierre-Yves Marie, Antoine Verger

Publikováno v: EJNMMI Research, Vol 9, Iss 1, Pp 1-8 (2019)

Abstract Background The quality of phantom images was previously shown to be higher on digital (Vereos Philips®) compared to analog PET (Ingenuity Philips®) cameras. This study aimed to determine the extent to which this difference still remains si

Externí odkaz: https://doaj.org/article/f71a57a023bf47ca85a8f1f2616e9e1e

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Akademický článek

PET imaging of 68Ga-NODAGA-RGD, as compared with 18F-fluorodeoxyglucose, in experimental rodent models of engrafted glioblastoma

Autor: Sibel Isal, Julien Pierson, Laetitia Imbert, Alexandra Clement, Charlotte Collet, Sophie Pinel, Nicolas Veran, Aurélie Reinhard, Sylvain Poussier, Guillaume Gauchotte, Steeven Frezier, Gilles Karcher, Pierre-Yves Marie, Fatiha Maskali

Publikováno v: EJNMMI Research, Vol 8, Iss 1, Pp 1-9 (2018)

Abstract Background Tracers triggering αvβ3 integrins, such as certain RGD-containing peptides, were found promising in previous pilot studies characterizing high-grade gliomas. However, only limited comparisons have been performed with current PET

Externí odkaz: https://doaj.org/article/8a3933d54ef14cd4b42aa8713863b2e7

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Akademický článek

Short-Term Heart Retention and Distribution of Intramyocardial Delivered Mesenchymal Cells within Necrotic or Intact Myocardium

Autor: Nguyen Tran Ph.D., Yan Li, Fatiha Maskali, Laurent Antunes, Pablo Maureira, Marie-Helene Laurens, Pierre-Yves Marie, Gilles Karcher, Frederique Groubatch, Jean-François Stoltz, Jean-Pierre Villemot

Publikováno v: Cell Transplantation, Vol 15 (2006)

Cell therapy with bone marrow mesenchymal stem cells (BMSCs) is a new strategy for treating ischemic heart failure, but data concerning the distribution and retention of transplanted cells remain poor. We investigated the short-term myocardial retent

Externí odkaz: https://doaj.org/article/1d00afda33034323b5770da1df7bf497

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