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Gadopiclenol Enables Reduced Gadolinium Dose While Maintaining Quality of Pulmonary Arterial Enhancement for Pulmonary MRA: An Opportunity for Improved Safety and Sustainability.
Invest Radiol
January 2025
From the Departments of Radiology (J.F.H., S.Y.C., J.-P.G., J.S., P.N., S.B.R., T.M.G.), Biomedical Engineering (S.B.R., T.M.G.), Medical Physics (S.Y.C., S.B.R., T.M.G.), Medicine (S.B.R.), and Emergency Medicine (S.B.R.), University of Wisconsin-Madison, WI; and Department of Diagnostic and Interventional Radiology (J.F.H., J.-P.G.), University Hospital Würzburg, Würzburg, Germany.
Rationale And Objectives: Pulmonary magnetic resonance angiography (MRA) is an imaging method with proven utility for the exclusion of pulmonary embolism and avoids the need for ionizing radiation and iodinated contrast agents. High-relaxivity gadolinium-based contrast agents (GBCAs), such as gadopiclenol, can be used to reduce the required gadolinium dose for pulmonary MRA. The aim of this study was to compare the contrast enhancement performance of gadopiclenol with an established gadobenate dimeglumine-enhanced pulmonary MRA protocol.
View Article and Find Full Text PDFElevated CXCL1 triggers dopaminergic neuronal loss in the substantia nigra of C57BL/6J mice: Evaluation of a novel Parkinsonian mouse model.
Zool Res
January 2025
Institute of Brain Science and Disease, School of Basic Medicine, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, Shandong 266071, China. E-mail:
Substantial evidence points to the early onset of peripheral inflammation in the development of Parkinson's disease (PD), supporting the "body-first" hypothesis. However, there remains a notable absence of PD-specific animal models induced by inflammatory cytokines. This study introduces a novel mouse model of PD driven by the proinflammatory cytokine CXCL1, identified in our previous research.
View Article and Find Full Text PDFDynamics of the mammalian pyruvate dehydrogenase complex revealed by in-situ structural analysis.
Nat Commun
January 2025
Center of Cryo-Electron Microscopy, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
The multi-enzyme pyruvate dehydrogenase complex (PDHc) links glycolysis to the citric acid cycle and plays vital roles in metabolism, energy production, and cellular signaling. Although all components have been individually characterized, the intact PDHc structure remains unclear, hampering our understanding of its composition and dynamical catalytic mechanisms. Here, we report the in-situ architecture of intact mammalian PDHc by cryo-electron tomography.
View Article and Find Full Text PDFThe Safety Profile of Amiodarone Among Older Adults (age ≥ 75 years): A Pharmacovigilance Study from the FDA Data.
Am J Med
January 2025
The Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Sheba Medical Center, Ramat-Gan, Israel; Division of Geriatric Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA. Electronic address:
Background: Amiodarone is a widely used antiarrhythmic agent with significant toxicities and drug interactions more likely to affect older adults. Nevertheless, data regarding amiodarone safety in this population are limited.
Methods: We conducted a retrospective analysis of FDA Adverse Event Reporting System (FAERS) data from 2003 to 2024 .
CTCNet: a fine-grained classification network for fluorescence images of circulating tumor cells.
Med Biol Eng Comput
January 2025
Anhui BioX-Vision Biological Technology Co., Ltd, Hefei, 230031, Anhui, China.
The identification and categorization of circulating tumor cells (CTCs) in peripheral blood are imperative for advancing cancer diagnostics and prognostics. The intricacy of various CTCs subtypes, coupled with the difficulty in developing exhaustive datasets, has impeded progress in this specialized domain. To date, no methods have been dedicated exclusively to overcoming the classification challenges of CTCs.
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