Results 101 to 110 of about 31,715 (252)

Complement C3 mediates adolescent social isolation‐induced hippocampal synaptic deficits and sex‐specific emotional dysfunction

Interdisciplinary Medicine, EarlyView.
Adolescent social isolation disrupts hippocampal function and exacerbates emotional symptoms, with sex‐specific patterns, as shown by human studies. In mice, social isolation decreased hippocampal synaptic density and calcium signaling, upregulated complement proteins, and activated complement‐mediated microglial synaptic phagocytosis.
Yuwan Qi, Siying Weng, Qiao Yin, Mengqi Li, Liang Shen, Enyou Qiao, Lu Gao, Yihan Wang, Yuxuan Li, Weifeng Luo, Qilin Zhang, Jing Wang, Jianfeng Feng, Qifei Cong   +13 more
wiley   +1 more source

Compressed Sensing‐Accelerated 3.0 T Noncontrast‐Enhanced CMRA: Diagnostic Efficacy for Coronary Artery Stenosis

iRADIOLOGY, EarlyView.
This bar chart illustrates the diagnostic performance of coronary magnetic resonance angiography (CMRA) for detecting ≥ 50.00% coronary artery stenosis at the segment, vessel, and patient levels, including sensitivity, specificity, positive predictive value, negative predictive value, and accuracy.
Zhengfu Wang, Yue Zhu, Yi Yin, Zewang Li, Mingming Huang, Bo Gao   +5 more
wiley   +1 more source

Dopamine Transporter Imaging‐Based Radiomics for Predicting 4‐Year Motor Progression (Unified Parkinson's Disease Rating Scale Part III) in Parkinson's Disease

iRADIOLOGY, EarlyView.
Magnetic resonance imaging (MRI)‐guided dopamine transporter (DAT) radiomics combined with machine learning showed promising performance for predicting 4‐year motor progression in Parkinson's disease. Ensemble voting fusion markedly improved discrimination compared with individual base models, with stable predictive features mainly derived from ...
Xiaoxuan Fan, Yanghan Chen, Junfeng Lin, Zenwen Han, Jianqiang Ye, Lili Lin, Hong Zhang, Ang Li, Han Jiang   +8 more
wiley   +1 more source

Transcranial Color‐Coded Duplex Sonography in Large‐Vessel Vasculitis Compatible With Takayasu Arteritis Presenting Intracranial Involvement and Vertebrobasilar Dolichoectasia: A Case Report

Journal of Clinical Ultrasound, EarlyView.
This case illustrates sequential intracranial occlusions in large‐vessel vasculitis compatible with Takayasu arteritis preserving perfusion through robust collateral pathways. Transcranial color‐coded duplex sonography identified characteristic blunted flow patterns and focal turbulence, underscoring its value in detecting hemodynamic compromise beyond
Maria Júnia Lira e Silva, Jordana Gaudie Gurian, Isabella Mesquita Venâncio, Eva Carolina Rocha, Gisele Sampaio Silva   +4 more
wiley   +1 more source

The value of subtraction MRI in detection of amyloid-related imaging abnormalities with oedema or effusion in Alzheimer's patients: An interobserver study. [PDF]

Eur Radiol, 2018
Martens RM, Bechten A, Ingala S, van Schijndel RA, Machado VB, de Jong MC, Sanchez E, Purcell D, Arrighi MH, Brashear RH, Wattjes MP, Barkhof F.   +11 more
europepmc   +1 more source

Effects of Acute Aerobic Exercise and Task Repetition on the Neural Correlates of Executive Function in Young and Older Adults: A Crossover fMRI Study

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Acute aerobic exercise may alter neural recruitment supporting executive function; however, age‐related differences and task repetition effects remain unclear. Purpose To investigate the effects of acute aerobic exercise and task repetition on brain activity during task switching in young and older adults.
Ryota Asahara, Marina Fukuie, Daisuke Hoshi, Junyeon Won, Rong Zhang, Jun Sugawara, Takashi Tarumi   +6 more
wiley   +1 more source

Quantification of Tricuspid Valve Regurgitation With 2D and 4D‐Flow MRI: Comparison of Different Methods in Adult Patients With Ebstein's Anomaly

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Ebstein's anomaly (EA) is a congenital heart disorder involving tricuspid valve dysplasia and right heart abnormalities resulting in severe tricuspid regurgitation (TR). Multiple techniques assess regurgitation severity, but their correlation with EA severity markers remains unclear. Purpose To compare MRI techniques for quantifying
Eric Buffle, Mathieu Albertini, Damian Craiem, Victor Waldmann, Francesca Pitocco, Laurence Iserin, Umit Gencer, Elie Mousseaux, Gilles Soulat   +8 more
wiley   +1 more source

Diffusion probabilistic versus generative adversarial models to reduce contrast agent dose in breast MRI

European Radiology Experimental
Background To compare denoising diffusion probabilistic models (DDPM) and generative adversarial networks (GAN) for recovering contrast-enhanced breast magnetic resonance imaging (MRI) subtraction images from virtual low-dose subtraction images.
Gustav Müller-Franzes, Luisa Huck, Maike Bode, Sven Nebelung, Christiane Kuhl, Daniel Truhn, Teresa Lemainque   +6 more
doaj   +1 more source

Comparison Between Respiratory‐Triggered and Free‐Breathing Signal Acquisition Methods for Single‐Voxel Phosphorus Magnetic Resonance Spectroscopy of the Liver on a Clinical System

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background The optimal protocol for clinical liver 31P‐magnetic resonance spectroscopy (MRS) remains unclear. Single‐voxel 31P‐MRS using image‐selected in vivo spectroscopy (ISIS) employs respiratory‐triggering (RT) or free‐breathing (FB) acquisition.
Kumi Ozaki, Jihun Kwon, Marc Van Cauteren, Yasutomo Katsumata, Yukichi Tanahashi, Satoshi Goshima   +5 more
wiley   +1 more source

Cerebral Blood Transit in Sickle Cell Anemia

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Sickle cell anemia (SCA) patients upregulate cerebral blood flow to compensate for decreased arterial oxygen content. Such hyperemic conditions can manifest as venous hyperintense signal on arterial spin labeling (ASL) MRI, which may reflect faster capillary blood transit, altered oxygen extraction fraction (OEF), and infarct risk ...
Wesley T. Richerson, Megan A. Aumann, Alexander K. Song, Samantha Davis, Lauren Milner, Maria Garza, Dann Martin, L. Taylor Davis, Sumit Pruthi, Lori C. Jordan, Manus J. Donahue   +10 more
wiley   +1 more source