Results 111 to 120 of about 4,781,201 (273)

Canonical and non‐canonical functions of proteins regulating mitochondrial dynamics in mammalian physiology

The Journal of Physiology, EarlyView.
Abstract figure legend Mitochondria are highly dynamic organelles that continuously remodel their architecture through coordinated cycles of fusion and fission. This review examines the four key GTPases that orchestrate mitochondrial dynamics in mammals: MFN1, MFN2, OPA1, and DRP1.
Rémi Chaney, Vincent Marcangeli, Krystel Desjardins, Shima Taherkhani, Gilles Gouspillou   +4 more
wiley   +1 more source

Neurocardiac crosstalk in inherited cardiac arrhythmias and cardiomyopathy

The Journal of Physiology, EarlyView.
Abstract figure legend In inherited cardiac arrhythmias and cardiomyopathy, arrhythmias are typically triggered by autonomic nervous system activity. Genetic mutations linked to these conditions cause pro‐arrhythmic alterations in both cardiomyocytes and neurons, with their pathophysiological crosstalk likely amplifying the manifestation of the disease.
Carol Ann Remme, Molly O'Reilly
wiley   +1 more source

Development of axon-target specificity of ponto-cerebellar afferents.

PLoS Biology, 2011
The function of neuronal networks relies on selective assembly of synaptic connections during development. We examined how synaptic specificity emerges in the pontocerebellar projection. Analysis of axon-target interactions with correlated light-electron
Anna Kalinovsky, Fatiha Boukhtouche, Richard Blazeski, Caroline Bornmann, Noboru Suzuki, Carol A Mason, Peter Scheiffele   +6 more
doaj   +1 more source

Perivascular Purkinje cardiomyocytes.

, 2019
A. Intramyocardial perivascular Purkinje cells. Acute reperfused infarction group. 200x magnification. Hematoxylin-eosin. Note acute hypereosinophilia of inferior cardiomyocytes. B. Small epicardial cluster of pericoronary Purkinje cells.
Amparo Ruiz-Sauri (5900645), Victor Garcia-Bustos (6321305), Rafael Sebastian (3204426), Maite Izquierdo (6321308), Francisco Javier Chorro (6321317), César Rios-Navarro (6321311), Vicente Bodí (6321314)   +6 more
core   +1 more source

Caenorhabditis elegans as an in vivo model system for human inherited primary arrhythmia syndromes

The Journal of Physiology, EarlyView.
Abstract figure legend Most genes involved in inherited primary arrhythmia syndromes (IPAS) are conserved in Caenorhabditis elegans, where genetic manipulation enables functional characterization of variants, identification of regulatory proteins, and in vivo drug testing.
Antoine Delinière, Thomas Boulin, Maëlle Jospin, Alexandre Janin, Gilles Millat, Philippe Chevalier, Olga Andrini   +6 more
wiley   +1 more source

Extracellular ionic concentration modulates arrhythmias in a simulated population of human ventricular myocytes with long QT syndrome type 3

The Journal of Physiology, EarlyView.
Abstract figure legend Schematic illustrating the in silico study pipeline. A total of 50,000 virtual myocytes were generated, which were then filtered to 7093 myocytes that fit experimentally constrained biomarkers for physiological electrical and calcium behaviour under wild‐type conditions.
Katherine Flannery, Jacob A. Miller, Steven Poelzing, Seth H. Weinberg   +3 more
wiley   +1 more source

The endocytic adaptor AP-2 maintains Purkinje cell function by balancing cerebellar parallel and climbing fiber synapses

Cell Reports
Summary: The loss of cerebellar Purkinje cells is a hallmark of neurodegenerative movement disorders, but the mechanisms remain enigmatic. We show that endocytic adaptor protein complex 2 (AP-2) is crucial for Purkinje cell survival. Using mouse genetics,
Marianna Tolve, Janine Tutas, Ebru Özer-Yildiz, Ines Klein, Anne Petzold, Veronika J. Fritz, Melina Overhoff, Quinn Silverman, Ellie Koletsou, Filip Liebsch, Guenter Schwarz, Tatiana Korotkova, Silvana Valtcheva, Graziana Gatto, Natalia L. Kononenko   +14 more
doaj   +1 more source

Dysregulated TIE‐2 expression in Alzheimer's disease: Further considerations on regional specificity and shedding evidence

Brain Pathology, EarlyView.
Shi‐qi Zhang, Meichen Liu
wiley   +1 more source

Panoramic voltage‐sensitive optical mapping of contracting hearts using cooperative multiview motion tracking with 12 cameras

The Journal of Physiology, EarlyView.
Abstact figure legend A panoramic 3D optical mapping system was developed, enabling imaging of action potential waves across the entire strongly deforming ventricular surface of beating isolated hearts. The system comprises 12 high‐speed cameras and a soccerball‐shaped imaging chamber with 48 light‐emitting diodes (LEDs).
Shrey Chowdhary, Jan Lebert, Shai Dickman, Mason Manetta, Charles Gordon, Jan Christoph   +5 more
wiley   +1 more source

Longer action potential duration in the Purkinje network than in the ventricular myocardium delays retrograde activation of the human His‐Purkinje system

The Journal of Physiology, EarlyView.
Abstract figure legend Activation time (AT) maps from right ventricular apical pacing in a human ventricles model with longer action potential duration in the His‐Purkinje system (HPS) than in the myocardium (MYO). For pacing with a long S1S2 coupling interval (CI), the AT from the myocardial pacing site to the first AT of the HPS (ATMYO) is longer ...
Jason D. Bayer, Edward J. Vigmond, Ruben Coronel, Chantal E. Conrath   +3 more
wiley   +1 more source