Systemic lupus erythematosus (SLE) with premature atherosclerosis (AS) is one of the important reasons that affect the survival of SLE patients. The commonly used glucocorticoid and immune inhibitors in modern medicine have many side effects. Traditional Chinese Medicine(TCM) holds that " renal deficiency and blood stasis " is the common pathogenesis of SLE and AS. Kidney nourishing and blood activating therapy has a broad prospect in the treatment of SLE with premature atherosclerosis.. On the basis of previous research work, and using the theory and method of modern immunology and molecular biology, firstly, we induce SLE with premature atherosclerosis animal model by intraperitoneal injection of pristane in ApoE-/- mice. Then, we give kidney nourishing and blood activating decoction to the above model,and detect autoantibodies and kidney and aortic pathology, etc. Through this in vivo experiment, we evaluate the anti-inflammatory and immune regulation function of kidney nourishing and blood activating decoction in SLE with premature atherosclerosis. Finally we do the blocking experiments by using antibody blocking technology, to explore the influence of kidney nourishing and blood activating decoction for PD-1/PD-L signal pathway. Thereby we will illustrate the targets and biological mechanism of kidney nourishing and blood activating therapy.
系统性红斑狼疮(SLE)合并早发动脉粥样硬化(AS)是严重影响SLE患者生存率的重要原因,而现代医学常用的糖皮质激素及免疫抑制剂的治疗存在诸多的副作用。中医学认为“肾虚血瘀”是SLE和AS共同的发病机理,中医补肾活血法对SLE合并早发AS有着广阔的治疗前景。. 本项目是在前期研究工作的基础上,运用现代免疫学和分子生物学的理论和方法,首先,通过对ApoE-/-小鼠进行腹腔注射Pristane诱导SLE合并早发AS的动物模型;然后,对上述模型给予补肾活血中药治疗,检测自身抗体及肾脏和主动脉病理等,通过体内实验评价补肾活血中药对SLE合并早发AS的抗炎和免疫调控作用;最后运用抗体阻断技术,进行阻断实验,探讨补肾活血中药对PD-1/PD-L信号通路的影响,藉以阐明中医补肾活血法的作用靶点及其生物学作用机制。
系统性红斑狼疮合并早发动脉粥样硬化是严重影响患者生存率的重要原因,日益受到关注。但是现代医学常用的糖皮质激素及免疫抑制剂的治疗存在诸多的副作用。中医药注重“整体论治”及“辨证论治”,根据系统性红斑狼疮和动脉粥样硬化共同的中医病机“肾虚为本,血瘀为标”,采用补肾活血法治疗可一举两得,在治疗系统性红斑狼疮合并动脉粥样硬化方面,中医药有着广阔的前景。 . 本研究首先通过对ApoE-/-小鼠进行腹腔注射Pristane诱导系统性红斑狼疮合并动脉粥样硬化的动物模型;然后,对上述模型给予补肾活血中药治疗,检测自身抗体及肾脏和主动脉病理等,通过体内实验评价补肾活血中药对系统性红斑狼疮合并动脉粥样硬化的抗炎和免疫调控作用;最后运用抗体阻断技术,进行阻断实验,探讨补肾活血中药对PD-1/PD-L信号通路的影响。. 本项目研究结果表明,补肾活血中药可明显改善系统性红斑狼疮合并动脉粥样硬化模型鼠的脾肿大;改善肾功能,同时减轻肾脏病变程度;调节血脂代谢水平,减轻主动脉粥样硬化斑块病变进展。补肾活血法可能通过调控程序性死亡信号通路PD-1/PD-L1在主动脉斑块的表达从而发挥缓解系统性红斑狼疮合并动脉粥样硬化病变的作用。. 本研究在动物实验中客观证实了补肾活血药对(制首乌、蒲黄)对系统性红斑狼疮合并早发动脉粥样硬化的疗效和潜在作用机制,后期如果能进一步完善制药工艺,制成安全、稳定的中成药应用于临床研究,更有助于开发治疗系统性红斑狼疮的中药新药。
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数据更新时间:2023-05-31
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