【摘 要】
:
目的:本实验给予去卵巢大鼠异丙肾上腺素制作心肌损伤及心功能异常模型,探讨雌激素通过调节兴奋性G(Gαs)蛋白-环磷酸腺苷(cAMP)信号通路纠正儿茶酚胺导致的心功能异常的机制.方法:成年雌性大鼠随机分为5组:假手术组、去卵巢组、去卵巢后补充雌激素组、去卵巢后注射异丙肾上腺素组和去卵巢后补充雌激素并注射异丙肾上腺素组.
【机 构】
:
徐州医学院生理学教研室,江苏徐州221000
【出 处】
:
中国病理生理学会心血管专业委员会第十五届学术大会暨国际心脏研究会中国分会第十二届学术大会
论文部分内容阅读
目的:本实验给予去卵巢大鼠异丙肾上腺素制作心肌损伤及心功能异常模型,探讨雌激素通过调节兴奋性G(Gαs)蛋白-环磷酸腺苷(cAMP)信号通路纠正儿茶酚胺导致的心功能异常的机制.方法:成年雌性大鼠随机分为5组:假手术组、去卵巢组、去卵巢后补充雌激素组、去卵巢后注射异丙肾上腺素组和去卵巢后补充雌激素并注射异丙肾上腺素组.
其他文献
Cortistatin is a recently discovered neuropeptide that has emerged as a potential endogenous anti-inflammatory peptide.As a clinical syndrome, sepsis occurs when an infection becomes amplified, leadin
AIM: It has been widely recognized that excessive alcohol consumption results in myocardial injury, but the detailed mechanisms need further discussion.Therefore, this study was designed to investigat
AIM: Our previous research found that 16-week-old urea transporter B (UT-B) null mice had atrial-ventricular (A-V) conduction block, and made a hypothesis of myocardial mitochondrial dysfunction.
AIM: Proteasomal degradation is critical to maintaining cardiac function and is altered in various diseases.Angiotensin Ⅱ (Ang Ⅱ) acts as a growth factor to induce cardiac growth.Here we aimed to test
AIM: The co-administration of dexrazoxane (DEX) with each dose of doxorubicin (DOX) is an efficient strategy to relieve DOXinduced cardiotoxicity.However, the mechanisms underlying the cardioprotectiv
AIM: To study the anti-aging effects and mechanisms of polyamine on senescent hearts in rat.METHODS: Wistar rats were randomly divided into young group (3 months old), old group (20 months old) and sp
AIM: It is reported that qiliqiangxin capsule (QL) inhibits pressure overload-induced cardiac hypertrophy and autophagy in mice.However, the underlying molecular mechanism remains elusive.
目的:Rho相关激酶(ROCK)的活化在压力超负荷介导的左心室重构中发挥重要作用,然而其潜在的病理分子机制不是十分明确.在前期研究中,我们发现TGF-β1通过诱导ROCK活化和抑制内源性BMP-2水平,加重了心肌纤维化的程度;因此,我们试图通过外源性补充BMP-2分子观察是否可有效改善压力超负荷激活TGF-β1引起的心肌纤维化,并阐明内在的病理机制.
AIM: Sustained pressure overload results in adverse cardiac remodeling with myocardial hypertrophy and fibrosis.Some microRNAs are participated in this course.MicroRNA-378, which has been found cardia
目的:探讨长期高盐摄入对小鼠心脏结构与功能的影响,以及给予膳食因子辣椒素能否通过改善心肌线粒体功能而有效预防高盐引起的心脏损害.方法:出生6~8周的野生型和TRPV1敲除型雄性小鼠分别给予普食、高盐(8%)、高盐(8%)加辣椒素(0.01%)饮食干预24周,超声评价心脏结构和功能,高分辨率细胞呼吸测量仪检测心肌线粒体功能,小动物跑步机测量运动耐力,用Western blotting方法检测心肌线粒