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Diagnostic Efficacy of Iodo-Metaiodobenzylguanidine SPECT/CT in Cardiac vs. Neurological Diseases: A Comparative Study of Arrhythmogenic Right Ventricular Cardiomyopathy and α-Synucleinopathies.
Diagnostics (Basel)
December 2024
Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University, 81377 Munich, Germany.
: Iodo-metaiodobenzylguanidine single photon emission computed tomography/computed tomography (I-MIBG SPECT/CT) is used to evaluate the cardiac sympathetic nervous system in cardiac diseases such as arrhythmogenic right ventricular cardiomyopathy (ARVC) and α-synucleinopathies such as Parkinson's diseases. A common feature of these diseases is denervation. We aimed to compare quantitative and semi-quantitative cardiac sympathetic innervation using I-MIBG imaging of ARVC and α-synucleinopathies.
View Article and Find Full Text PDFTDP43 autoregulation gives rise to dominant negative isoforms that are tightly controlled by transcriptional and post-translational mechanisms.
Cell Rep
January 2025
Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI, USA; Graduate Program in Cell and Molecular Biology, University of Michigan, Ann Arbor, MI, USA; Medical Scientist Training Program, University of Michigan, Ann Arbor, MI, USA; Department of Neurology, University of Michigan, Ann Arbor, MI, USA. Electronic address:
The nuclear RNA-binding protein TDP43 is integrally involved in the pathogenesis of amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD). Previous studies uncovered N-terminal TDP43 isoforms that are predominantly cytosolic in localization, prone to aggregation, and enriched in susceptible spinal motor neurons. In healthy cells, however, these shortened (s)TDP43 isoforms are difficult to detect in comparison to full-length (fl)TDP43, raising questions regarding their origin and selective regulation.
View Article and Find Full Text PDFOocyte maturation defect in women undergoing IVF: contributing factors and effects on mature sibling oocyte outcomes.
J Assist Reprod Genet
January 2025
IVIRMA Global Research Alliance, RMA New Jersey, 140 Allen, Basking Ridge, NJ, 07920, USA.
Purpose: This study aimed to identify demographic and clinical factors associated with low maturation rates and to investigate if the rate of immature oocytes impacts the outcomes of mature sibling oocytes.
Methods: Women undergoing their first IVF-ICSI cycle between 2018 and 2022 at a fertility clinic were included. Cycles were classified into five groups according to the proportion of Metaphase II stage oocytes (MII): Null (0% MII, n = 46), Poor (1-25% MII, n = 44), Low (26-50% MII, n = 453), Acceptable (51-75% MII, n = 1641), and Optimal (76-100% MII, n = 2642).
GOLD grade-specific characterization of COPD in the COSYCONET multi-center trial: comparison of semiquantitative MRI and quantitative CT.
Eur Radiol
January 2025
Department of Diagnostic and Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany.
Objectives: We hypothesized that semiquantitative visual scoring of lung MRI is suitable for GOLD-grade specific characterization of parenchymal and airway disease in COPD and that MRI scores correlate with quantitative CT (QCT) and pulmonary function test (PFT) parameters.
Methods: Five hundred ninety-eight subjects from the COSYCONET study (median age = 67 (60-72)) at risk for COPD or with GOLD1-4 underwent PFT, same-day paired inspiratory/expiratory CT, and structural and contrast-enhanced MRI. QCT assessed total lung volume (TLV), emphysema, and air trapping by parametric response mapping (PRM, PRM) and airway disease by wall percentage (WP).
Molecular imaging targeting carbonic anhydrase 9 in clear-cell renal cell carcinoma: more than meets the eye.
Lancet Oncol
January 2025
Department of Nuclear Medicine, IRCCS Ospedale San Raffaele, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy.
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