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Cognitive, cardiac, and physiological safety studies in ultra high field magnetic resonance imaging.

• Allahyar Kangarlu, Russel E Burgess, +4 authors P M Robitaille
• Magnetic resonance imaging
• 1999

A systematic analysis of the effect of an 8.0 tesla static magnetic field on physiological and/or cognitive function is presented in the normal volunteer and in the swine. A study of ten human… (More)

Ascorbate attenuates atrial pacing-induced peroxynitrite formation and electrical remodeling and decreases the incidence of postoperative atrial fibrillation.

• Cynthia A. Carnes, Mina K. Chung, +9 authors David R Van Wagoner
• Circulation research
• 2001

Atrial fibrillation (AF), the most common chronic arrhythmia, increases the risk of stroke and is an independent predictor of mortality. Available pharmacological treatments have limited efficacy.… (More)

Response of Failing Canine and Human Heart Cells to β2-Adrenergic Stimulation

• Ruth A. Altschuld, Randall C. Starling, +9 authors Edward G. Lakatta
• 1995

Sinoatrial Node Reentry in a Canine Chronic Left Ventricular Infarct Model Role of Intranodal Fibrosis and Heterogeneity of Refractoriness

• Alexey V. Glukhov, Lori T Hage, +7 authors Vadim V. Fedorov
• Circulation. Arrhythmia and electrophysiology
• 2013

BACKGROUND Reentrant arrhythmias involving the sinoatrial node (SAN), namely SAN reentry, remain one of the most intriguing enigmas of cardiac electrophysiology. The goal of the present study was to… (More)

Abnormal intrastore calcium signaling in chronic heart failure.

• Zuzana Kubalová, Dmitry Terentyev, +9 authors Sándor Györke
• Proceedings of the National Academy of Sciences…
• 2005

Diminished Ca release from the sarcoplasmic reticulum (SR) is an important contributor to the impaired contractility of the failing heart. Despite extensive effort, the underlying causes of abnormal… (More)

Atrial glutathione content, calcium current, and contractility.

• Cynthia A. Carnes, Paul M. L. Janssen, +9 authors David R Van Wagoner
• The Journal of biological chemistry
• 2007

Atrial fibrillation (AF) is characterized by decreased L-type calcium current (I(Ca,L)) in atrial myocytes and decreased atrial contractility. Oxidant stress and redox modulation of calcium channels… (More)

Effect of exercise training on antioxidant enzymes and cardiotoxicity of doxorubicin.

• Mitchell M. Kanter, Robert Louis Hamlin, Donald V. Unverferth, Harold W. Davis, Annamaria Merola
• Journal of applied physiology
• 1985

The purpose of this study was to correlate the exercise-induced changes of oxidant stress enzymes with possible modification of the response to the putative oxidant stressor doxorubicin. Enzymatic… (More)

Enhanced ryanodine receptor-mediated calcium leak determines reduced sarcoplasmic reticulum calcium content in chronic canine heart failure.

• Andriy E Belevych, Zuzana Kubalova, Dmitry Terentyev, Robert Louis Hamlin, Cynthia A. Carnes, Sándor Györke
• Biophysical journal
• 2007

In this study, we investigated the role of elevated sarcoplasmic reticulum (SR) Ca(2+) leak through ryanodine receptors (RyR2s) in heart failure (HF)-related abnormalities of intracellular Ca(2+)… (More)

The relationship between arrhythmogenesis and impaired contractility in heart failure: role of altered ryanodine receptor function.

• Andriy E Belevych, Dmitry Terentyev, +5 authors Sándor Györke
• Cardiovascular research
• 2011

AIMS In heart failure (HF), abnormal myocyte Ca(2+) handling has been implicated in cardiac arrhythmias and contractile dysfunction. In the present study, we investigated the relationships between… (More)

Transgenic mice with cardiac-specific expression of activating transcription factor 3, a stress-inducible gene, have conduction abnormalities and contractile dysfunction.

• Yasuhide Okamoto, Andreia Chaves, +13 authors Tsonwin Hai
• The American journal of pathology
• 2001

Activating transcription factor 3 (ATF3) is a member of the CREB/ATF family of transcription factors. Previously, we demonstrated that the expression of the ATF3 gene is induced by many stress… (More)

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