Yulia Nikonova

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Urocortin 2 (Ucn2) is a cardioactive peptide exhibiting beneficial effects in normal and failing heart. In cardiomyocytes, it elicits cAMP- and Ca(2+)-dependent positive inotropic and lusitropic effects. We tested the hypothesis that, in addition, Ucn2 activates cardiac nitric oxide (NO) signaling and elucidated the underlying signaling pathways and(More)
AIMS Hypertension is a major risk factor for atrial fibrillation. We hypothesized that arterial hypertension would alter atrial myocyte calcium (Ca2+) handling and that these alterations would serve to trigger atrial tachyarrhythmias. METHODS AND RESULTS Left atria or left atrial (LA) myocytes were isolated from spontaneously hypertensive rats (SHR) or(More)
Arterial hypertension causes left ventricular (LV) myocyte hypertrophy. Alterations in nuclear Ca2+ may be involved in regulation of histone acetylation, transcription and hypertrophy. Regulation of nuclear Ca2+ in hypertension, however, is unknown. Therefore, we elucidated cellular mechanisms underlying nuclear Ca2+ regulation in LV myocytes from(More)
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