نتایج جستجو برای: nuclear hypertrophy
تعداد نتایج: 279538 فیلتر نتایج به سال:
a prospective study of 550 consecutive mothers delivered in amin ob. gyn center of isfahan university was performed to determine the relationships between maternal anemia, placental weight and neonatal birth weight. the important findings were marked placental hypertrophy in anemic mothers. (r= -/9.95) .it is probable that in anemic mothers placental hypertrophy is a compensatory mechanism resp...
We investigated the impact of heterogeneous nuclear ribonucleoprotein F (hnRNP F) overexpression on angiotensinogen (Agt) gene expression, hypertension, and renal proximal tubular cell (RPTC) injury in high-glucose milieu both in vivo and in vitro. Diabetic Akita transgenic (Tg) mice specifically overexpressing hnRNP F in their RPTCs were created, and the effects on systemic hypertension, Agt g...
Simvastatin (SIM) is a lipid-soluble inhibitor of hydroxy-3-methylglutaryl coenzyme A reductase with multiple reported therapeutic benefits. The present study was designed to investigate the effect of pretreatment with SIM on isoproterenol (ISO)-induced cardiac hypertrophy in rats. Twenty-four male albino Wistar rats weighing 180-200 g were divided into four groups. Groups I and III received no...
T heart is remarkably plastic, changing its size, shape, and function in response to a wide variety of stimuli. Beyond birth, by far the greatest cardiac growth occurs by cellular hypertrophy, rather than hyperplasia. When normal cardiac size has been reached, additional changes in size can occur in response to stimuli such as hypertension, defective genes, or exercise, to name a few. Although ...
BACKGROUND Cardiac hypertrophy is an early hallmark during the clinical course of heart failure and is regulated by various signaling pathways. However, the molecular mechanisms that negatively regulate these signal transduction pathways remain poorly understood. METHODS AND RESULTS Here, we characterized Carabin, a protein expressed in cardiomyocytes that was downregulated in cardiac hypertr...
Cardiac hypertrophy is an early hallmark during the clinical course of heart failure and regulated by various signalling pathways. Recently, we observed that mouse embryonic fibroblasts from CD38 knockout mice were significantly resistant to oxidative stress such as H2 O2 -induced injury and hypoxia/reoxygenation-induced injury. In addition, we also found that CD38 knockout mice protected heart...
Activation of phosphoinositide 3-kinase (PI3K)/Akt signalling is the molecular pathway driving physiological hypertrophy. As lithium, a PI3K agonist, is highly toxic at regular doses, we assessed the effect of lithium at a lower dose on ventricular hypertrophy after myocardial infarction (MI). Male Wistar rats after induction of MI were randomized to either vehicle or lithium (1 mmol/kg per day...
BACKGROUND Muscle-specific RING finger protein-1 (MuRF1) is an E3 ligase that inhibits cardiac hypertrophy. However, how MuRF1 regulates cardiac hypertrophy and function during pressure overload (PO) remains poorly understood. We investigated the role of endogenous MuRF1 in regulating cardiac hypertrophy in response to PO in vivo. METHODS AND RESULTS Transverse aortic constriction (TAC) for 4...
Growth, survival and cytoskeletal rearrangement of cardiomyocytes are critical for cardiac hypertrophy. Signal transducer and activator of transcription-3 (STAT3) activation is an important cardioprotective factor associated with cardiac hypertrophy. Although STAT3 activation has been reported via signaling through Janus Kinase 2 (JAK2) in several cardiac models of hypertrophy, the importance o...
AIMS Cardiac-specific overexpression of myotrophin (myo) protein in transgenic (myo-Tg) mice results in hypertrophy at 4 weeks that progresses to heart failure (HF) by 36 weeks. Gene profiling showed that p53 expression increases as hypertrophy worsens to HF, suggesting that p53 may influence myo-induced HF. We aimed to define how the p53 signalling cascade affects the spectrum of cardiac hyper...
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