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Enhancing Radiation Therapy Response in Prostate Cancer Through Metabolic Modulation by Mito-Lonidamine: A H and P Magnetic Resonance Spectroscopy Study.
Int J Mol Sci
January 2025
Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA.
Radiation therapy (RT) is the cornerstone treatment for prostate cancer; however, it frequently induces gastrointestinal and genitourinary toxicities that substantially diminish the patients' quality of life. While many individuals experience transient side effects, a subset endures persistent, long-term complications. A promising strategy to mitigate these toxicities involves enhancing tumor radiosensitivity, potentially allowing for lower radiation doses.
View Article and Find Full Text PDFModulation of the Oxygenation State and Intracellular pH of Erythrocytes by Inositol-Trispyrophosphate Investigated by P NMR Study of 2,3-DPG.
J Cell Mol Med
January 2025
Centre for Molecular Biophysics, UPR CNRS 4301, Orleans, France.
The hypoxic microenvironment is crucial for tumour cell growth and invasiveness. Tumour tissue results from adaptation to reduced oxygen availability. Hypoxia first activates pro-angiogenic signals for alleviation.
View Article and Find Full Text PDFImproved phosphorus MRSI acquisition through compressed sensing acceleration combined with low-rank reconstruction.
MAGMA
December 2024
Department of Radiology and Medical Informatics, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
Objectives: Phosphorus-31 magnetic resonance spectroscopic imaging (P-MRSI) is a non-invasive tool for assessing cellular high-energy metabolism in-vivo. However, its acquisition suffers from a low sensitivity, which necessitates large voxel sizes or multiple averages to achieve an acceptable signal-to-noise ratio (SNR), resulting in long scan times.
Materials And Methods: To overcome these limitations, we propose an acquisition and reconstruction scheme for FID-MRSI sequences.
PyAMARES, an Open-Source Python Library for Fitting Magnetic Resonance Spectroscopy Data.
Diagnostics (Basel)
November 2024
Department of Radiology, University of Iowa, Iowa City, IA 52242, USA.
: Magnetic resonance spectroscopy (MRS) is a valuable tool for studying metabolic processes in vivo. While numerous quantification methods exist, the advanced method for accurate, robust, and efficient spectral fitting (AMARES) is among the most used. This study introduces pyAMARES, an open-source Python implementation of AMARES, addressing the need for a flexible, user-friendly, and versatile MRS quantification tool within the Python ecosystem.
View Article and Find Full Text PDF[Rats' reproductive function under toxic load against the background of protein deficiency].
Vopr Pitan
November 2024
Federal Research Centre of Nutrition, Biotechnology and Food Safety, 109240, Moscow, Russian Federation.
Safety assessment approaches of novel food, currently adopted in the Russian Federation, imply mandatory in vivo reproductive toxicity tests with the study of reproductive function and offspring development in order to obtain comprehensive evidence of the absence of distant adverse effects that may manifest only in the next generation. Comprehensive study of reproductive function, pre- and postnatal offspring development, as a rule, includes the research of a large number of parameters, all of which has a wide range of physiological fluctuations, and the heterogeneous distribution of some parameters' values complicates the interpretation of the results. of the study was to investigate the efficiency of a reduced adaptive potential model in rats, based on decreased diet protein intake, for the use in reproductive toxicity experiments.
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