Results 191 to 200 of about 81,793 (268)

The nonexcitable smooth muscle: remodeling the smooth muscle ion transport toolkit in disease. [PDF]

Physiol Rev
Johnson MT, Trebak M.
europepmc   +1 more source

Sedentary ageing remodels the structure–function relationships that underlie calcium signalling at super‐resolution scales in the heart

The Journal of Physiology, EarlyView.
Abstract figure legend Illustration of calcium spark function and ryanodine receptor (RyR) structure within a sedentary model of ageing. Upon sympathetic stimulation from 1 µM isoprenaline a linear response to calcium spark morphology occurred, accompanied by a biphasic progression of RyR remodelling across age.
Miriam E. Hurley, David Conesa, Alan P. Benson, Michael A. Colman   +3 more
wiley   +1 more source

A piperidinyl amide compound enhances Ca²⁺ signaling in cardiomyocytes by increasing activity of Ca²⁺ pump. [PDF]

Biophys Rep (N Y)
Bovo E, Nikolaienko R, Yuen SL, Makarewich CA, Brinkmann M, Thomas DD, Rebbeck RT, Zima AV.   +7 more
europepmc   +1 more source

The ultrarapid delayed rectifier potassium current has important functional role in the repolarization reserve of canine and human ventricular muscle

The Journal of Physiology, EarlyView.
Abstract figure legend The ultrarapid delayed rectifier potassium current (IKur) has long been considered an atrial‐specific current with no functional role in the ventricles, despite evidence of its expression in ventricular myocytes. In the present study we challenged this prevailing concept and investigated the potential role of IKur in ventricular ...
Alaa Amin E. Abdelmagid, Aiman Saleh A. Mohammed, Gábor Mohácsi, Benjámin Paskuj, Gergő Bitay, Jakub Tomek, Sahil Dalal, Tamás Árpádffy‐Lovas, Vivien Demeter‐Haludka, István Koncz, Muhammad Naveed, László Virág, Norbert Nagy, András Varró, István Baczkó, Norbert Jost, Zsófia Kohajda, Leila Topal   +17 more
wiley   +1 more source

A case of rapid and extensive cardiac myocyte microcalcification in a patient admitted to intensive care following out-of-hospital cardiac arrest. [PDF]

Surg Exp Pathol
Jayarathna GB, Westaby J, Sheppard MN.
europepmc   +1 more source

Comparative multimodal calibration of patient‐specific atrial fibrillation models: Impact of imaging and electrophysiology data on arrhythmogenic substrate identification

The Journal of Physiology, EarlyView.
Abstract figure legend Comparative multimodal calibration of patient‐specific left atrial (LA) models to identify arrhythmogenic substrates in atrial fibrillation (AF). A, LA models shown in posterior and anterior views, calibrated separately using: late gadolinium enhancement magnetic resonance imaging (LGE‐MRI) image intensity ratio (IIR; blue–red ...
Mahmoud Ehnesh, Haseeb Valli, Ovais A. Jaffery, Sam Coveney, Alexander Zolotarev, Zhong Chen, Wajid Hussain, David G. Jones, Raad Mohiaddin, Tom Wong, Gregory Slabaugh, Steven A. Niederer, Edward Vigmond, Shouvik Haldar, Caroline Roney   +14 more
wiley   +1 more source

In vitro sex-specific function-structure relationship in neonatal rat cardiac monolayers. [PDF]

Proc Natl Acad Sci U S A
Tran M, Nguyen TV, Khandelwal S, Grosberg A.   +3 more
europepmc   +1 more source

Beat‐to‐beat variability of ventricular repolarization reveals sex‐specific instability and proarrhythmic risk

The Journal of Physiology, EarlyView.
Abstract figure legend A mechanistic framework linking sex‐dependent dynamical instability to proarrhythmic risk. Sex‐specific human ventricular models show that upstream modulators, including biological sex, hormones, drugs and heart disease, promote steeper APD restitution in female than male and enhance dynamical instability.
Daisuke Sato, Lorenzo Santini, Raffaele Coppini, Eleonora Grandi   +3 more
wiley   +1 more source

Homozygous SGCB splice-site variant causes isolated dilated cardiomyopathy through sarcoglycan complex destabilization in East Asians. [PDF]

J Clin Invest
Li F, Shinomiya H, Kuramoto Y, Kanaoka K, Sakahashi Y, Ishihara Y, Kioka H, Ide S, Yamaguchi-Kabata Y, Tadaka S, Motoike IN, Kinoshita K, Ohneda K, Sakurai H, Okumura T, Miyashita Y, Jojima K, Kato H, Matsuoka K, Tanabe K, Nishimura S, Takashima S, Asano Y, Sakata Y.   +23 more
europepmc   +1 more source

hERG1 channels and potential therapeutics for long QT syndrome

The Journal of Physiology, EarlyView.
Abstract figure legend Prolonged QT results from hERG1 channel dysfunction. (A) Physiological anterograde trafficking of hERG1 channels to the plasma membrane, leading to a normal electrocardiogram. (B) Prolonged QT results from the presence of fewer hERG1 channels on the plasma membrane due to decreased anterograde trafficking or reduced function due ...
Elizabeth H. Schneider, Kelly A. Aromolaran, Michael C. Sanguinetti, Ademuyiwa S. Aromolaran   +3 more
wiley   +1 more source