Optogenetic modulation of cardiac sympathetic nerve activity to prevent ventricular arrhythmias

L Yu, L Zhou, G Cao, SS Po, B Huang, X Zhou… - Journal of the American …, 2017 - jacc.org
Background: Studies have shown that left stellate ganglion (LSG) suppression protects
against ventricular arrhythmias (VAs). Optogenetics is a novel technique to reversibly …

Rat models of ventricular fibrillation following acute myocardial infarction

LA Hundahl, J Tfelt-Hansen… - Journal of …, 2017 - journals.sagepub.com
A number of animal models have been designed in order to unravel the underlying
mechanisms of acute ischemia-induced arrhythmias and to test compounds and …

Phosphodiesterase 2 protects against catecholamine-induced arrhythmia and preserves contractile function after myocardial infarction

C Vettel, M Lindner, M Dewenter, K Lorenz… - Circulation …, 2017 - Am Heart Assoc
Rationale: Phosphodiesterase 2 is a dual substrate esterase, which has the unique property
to be stimulated by cGMP, but primarily hydrolyzes cAMP. Myocardial phosphodiesterase 2 …

Calcium/calmodulin-dependent protein kinase II activity persists during chronic β-adrenoceptor blockade in experimental and human heart failure

M Dewenter, S Neef, C Vettel, S Lämmle… - Circulation: Heart …, 2017 - Am Heart Assoc
Background—Considerable evidence suggests that calcium/calmodulin-dependent protein
kinase II (CaMKII) overactivity plays a crucial role in the pathophysiology of heart failure …

Inhibition of NADPH oxidase by apocynin promotes myocardial antioxidant response and prevents isoproterenol-induced myocardial oxidative stress in rats

LH Tanriverdi, H Parlakpinar, O Ozhan… - Free Radical …, 2017 - Taylor & Francis
Preventive and/or therapeutic interventions for ischemic heart disease have gained
considerable attention worldwide. We investigated the mechanism (s) underlying …

Role of miRNA-1 in regulating connexin 43 in ischemia–reperfusion heart injury: a rat model

BO Bian, XF Yu, GQ Wang, TM Teng - Cardiovascular Pathology, 2017 - Elsevier
MiRNA-1 may participate in regulating ischemia–reperfusion injury (IRI) by affecting the
expression and distribution of connexin 43 (Cx43). The aim of this study is to investigate miR …

Proinflammatory cytokines are soluble mediators linked with ventricular arrhythmias and contractile dysfunction in a rat model of metabolic syndrome

E Fernández-Sada, A Torres-Quintanilla… - Oxidative medicine …, 2017 - Wiley Online Library
Metabolic syndrome (MS) increases cardiovascular risk and is associated with cardiac
dysfunction and arrhythmias, although the precise mechanisms are still under study. Chronic …

S1P receptor 1-mediated anti–renin-angiotensin system cardioprotection: pivotal role of mast cell aldehyde dehydrogenase type 2

A Marino, T Sakamoto, PA Robador, K Tomita… - Journal of Pharmacology …, 2017 - ASPET
In the ischemic-reperfused (I/R) heart, renin-containing mast cells (MC) release
enzymatically active renin, activating a local renin-angiotensin system (RAS), causing …

Pharmacological blockade of small conductance Ca2+-activated K+ channels by ICA reduces arrhythmic load in rats with acute myocardial infarction

LA Hundahl, SM Sattler, L Skibsbye, JG Diness… - … -European Journal of …, 2017 - Springer
Acute myocardial infarction (AMI) with development of ventricular fibrillation (VF) is a
common cause of sudden cardiac death (SCD). At present, no pharmacological treatment …

Blocking the Nav1. 8 channel in the left stellate ganglion suppresses ventricular arrhythmia induced by acute ischemia in a canine model

L Yu, M Wang, D Hu, B Huang, L Zhou, X Zhou… - Scientific reports, 2017 - nature.com
Left stellate ganglion (LSG) hyperactivity promotes ischemia induced ventricular arrhythmia
(VA). Blocking the Nav1. 8 channel decreases neuron activity. Therefore, the present study …