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Magn Reson Med
January 2025
Institute of Diagnostic and Interventional Radiology, Hannover Medical School, Hannover, Germany.
Purpose: Pulmonary MRI faces challenges due to low proton density, rapid transverse magnetization decay, and cardiac and respiratory motion. The fermat-looped orthogonally encoded trajectories (FLORET) sequence addresses these issues with high sampling efficiency, strong signal, and motion robustness, but has not yet been applied to phase-resolved functional lung (PREFUL) MRI-a contrast-free method for assessing pulmonary ventilation during free breathing. This study aims to develop a reconstruction pipeline for FLORET UTE, enhancing spatial resolution for three-dimensional (3D) PREFUL ventilation analysis.
View Article and Find Full Text PDFMol Cancer
January 2025
Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
Background And Aims: Oncogenic KRAS mutations are present in approximately 90% of pancreatic ductal adenocarcinoma (PDAC). However, Kras mutation alone is insufficient to transform precancerous cells into metastatic PDAC. This study investigates how KRAS-mutated epithelial cells acquire the capacity to escape senescence or even immune clearance, thereby progressing to advanced PDAC.
View Article and Find Full Text PDFSci Data
January 2025
University of Bern, Wyss Academy for Nature, Bern, 3011, Switzerland.
Throughout the last centuries, European climate changed substantially, which affected the potential to plant and grow crops. These changes happened not just over time but also had a spatial dimension. Yet, despite large climatic fluctuations, quantitative historical studies typically rely on static measures for agricultural suitability due to the non-availability of time-varying indices.
View Article and Find Full Text PDFMol Cell
January 2025
Centro Andaluz de Biología Molecular y Medicina Regenerativa-CABIMER, Universidad de Sevilla-CSIC-Universidad Pablo de Olavide, 41092 Seville, Spain; Departamento de Genética, Universidad de Sevilla, 41012 Seville, Spain. Electronic address:
Significant effort has been spent attempting to unravel the causal relationship between histone post-translational modifications and fundamental DNA processes, including transcription, replication, and repair. However, less attention has been paid to understanding the reciprocal influence-that is, how DNA processes, in turn, shape the distribution and patterns of histone modifications and how these changes convey information, both temporally and spatially, from one process to another. Here, we review how histone modifications underpin the widespread bidirectional crosstalk between different DNA processes, which allow seemingly distinct phenomena to operate as a unified whole.
View Article and Find Full Text PDFMar Pollut Bull
January 2025
Dipartimento di Biologia, Università di Pisa (CoNISMa), Via Derna, 1, 56126 Pisa, Italy; Centro Interdipartimentale di Ricerca per lo Studio degli Effetti del Cambiamento Climatico (CIRSEC), Università di Pisa, Via del Borghetto 80, 56124 Pisa, Italy.
Fouling communities were studied in twenty-six recreational marinas located along the continental and island coasts of Tuscany as well as Corsica (Western Mediterranean), focusing on the occurrence of non-indigenous species (NIS), in order to assess the variability of these assemblages at different spatial scales. Among the 560 taxa identified, 32 were alien or cryptogenic, with six new records for the study area. Results of this survey showed remarkable spatial variability of fouling community structure and NIS assemblage i) between marinas located on the mainland with respect to those on the islands (sectors), ii) among marinas within the same sector, and iii) among areas within the most of marinas.
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