نتایج جستجو برای: β3
تعداد نتایج: 2600 فیلتر نتایج به سال:
Angiogenesis has an essential role in many pathophysiologies. Here, we show that phospholipase C-β3 (PLC-β3) isoform regulates endothelial cell function and retinal angiogenesis. Silencing of PLC-β3 in human umbilical vein endothelial cells (HUVECs) significantly delayed proliferation, migration and capillary-like tube formation. In addition, mice lacking PLC-β3 showed impaired retinal angiogen...
β3-Adrenoceptors (β3-ARs) mediate a negative inotropic effect in human ventricular cardiomyocytes, which is opposite to that of β1- and β2-ARs. It has been previously demonstrated that autoantibodies against the β1/β2-AR exist in the sera of some patients with heart failure (HF) and these autoantibodies display agonist-like effects. Our aim in this study was to observe whether autoantibodies ag...
Exercise training confers sustainable protection against ischemia/reperfusion injury. However, the mechanism by which this process occurs is not fully understood. Previously, it was shown that β3-adrenergic receptors (β3-ARs) play a critical role in regulating the activation of endothelial nitric oxide synthase (eNOS) in response to exercise and play a critical role in exercise-mediated cardiop...
BACKGROUND The beta 3-adrenoceptor (β3-AR) is closely associated with energy metabolism. This study aimed to explore the role of β3-AR in energy remodeling in a rabbit model of pacing-induced atrial fibrillation (AF). METHODS Rabbits with a sham-operation or pacing-induced AF were used for this study, and the latter group was further divided into three subgroups: 1) the pacing group, 2) the β...
Sempatik sinirlerin insan vücudunda çeşitli etkilere yol açtığı 19.yüzyıldan itibaren bilinmektedir. Birden fazla adrenerjik reseptör olduğu Ahlquist tarafından ilk olarak 1948 yılında ileri sürülmüş ve birçok araştırıcı bu reseptörlerin sayısının bilinmediği ifade edilmiştir. Daha sonra 1984 Arch adlı bilim adamı kemirgenlerde beyaz kahverengi yağda atipik bir β adrenoseptor (AR) varlığı ortay...
In the present review article, we present an overview of beta-adrenoceptor (β-AR) subtype expression at the mRNA and receptor protein levels in the human detrusor, the in vitro and in vivo bladder function of the β3-AR, the in vivo effect of β3-AR agonists on detrusor overactivity in animal models, and the available results of clinical trials of β3-AR agonists for treating overactive bladder (O...
Fetal and neonatal immune thrombocytopenia (FNIT) is a severe bleeding disorder in which maternal antibodies cross the placenta and destroy fetal/neonatal platelets. It has been demonstrated that the neonatal Fc receptor (FcRn) regulates immunoglobulin G (IgG) homeostasis and plays an important role in transplacental IgG transport. However, the role of FcRn in the pathogenesis and therapy of FN...
TGF-β is a pleotropic cytokine involved in various biological processes. Of the three isoforms of TGF-β, TGF-β1 has long been recognized as an important inhibitory cytokine in the immune system and has been reported to inhibit B cell function in both mice and humans. Recently, it has been suggested that TGF-β3 may play an important role in the regulation of immune system in mice. Murine CD4+CD2...
BACKGROUND β1-2-adrenergic receptors (AR) are key regulators of cardiac contractility and remodeling in response to catecholamines. β3-AR expression is enhanced in diseased human myocardium, but its impact on remodeling is unknown. METHODS AND RESULTS Mice with cardiac myocyte-specific expression of human β3-AR (β3-TG) and wild-type (WT) littermates were used to compare myocardial remodeling ...
Purpose The goal of this study was to examine the mechanism behind the unique differential action of transforming growth factor β3 (TGF-β3) and TGF-β1 on SMA expression. It was our hypothesis that platelet-derived growth factor receptor α (PDGFRα) played a key role in determining TGF-β3's response to wounding. Methods A stable cell line, human corneal fibroblast (HCF)-P, was created from HCFs...
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