Peritoneal ultrafiltration dysfunction is a major failure cause of peritoneal dialysis. Preliminary studies have confirmed that Fushen granule can improve the efficiency of dialysis on patients with peritoneal dialysis.Modern research shows that Glo-1 is closely associated with peritoneal ultrafiltration function,and puts forward the following hypothesis:“Through regulating and controling the expression of Glo-1 factor,Fushen granule featured by spleen/kidney strengthening, blood stasis dispelling,turbidity lowering can reduce the level of MG,decrease the formation of AGEs,block the binding with receptor RAGE,and effectively improve the peritoneal ultrafiltration function.” As a breakthrough point,the study regulates the expression of Glo-1 factor by Fushen granule intervention, establishes peritoneal dialysis rats model(5/6 kidney excision),after 6 weeks,the study sets up normal comparsion group(A)、1.5%PD group (B)、1.5%PD+Fushen granule group (C)、4.25%PD (D)、4.25%PD+Fushen granule group (E),4 weeks after the intervention,the study determines and detects peritoneal structure,UF, MGT,Glo-1 gene and protein expression, activity and GSH level,AGEs expression and MG content,AGE gene and protein expression,to conclude that Fushen granule improves the molecular mechanism of peritoneal ultrafiltration function by regulating Glo-1,and has great significance in improving the long-term curative effects of peritoneal dialysis.
腹膜超滤功能减退是导致腹膜透析失败的主要原因。前期研究证实扶肾颗粒可提高腹透患者透析效能。现代研究表明Glo-1与腹膜超滤功能密切相关,提出如下假说:“以健脾益肾、祛瘀降浊法为主的扶肾颗粒通过调控Glo-1因子的表达,降低MG水平,进而减少AGEs生成,以及阻断其与受体RAGE的结合,可有效改善腹膜超滤功能。”该研究以调控Glo-1因子表达为切入点,采用扶肾颗粒干预,以大鼠5/6肾切除方法建立腹膜透析大鼠模型并于6周后分为正常对照组(A组),1.5%PD组(B组),1.5%PD+扶肾颗粒组(C组),4.25%PD组(D组),4.25%PD+扶肾颗粒组(E组),干预4周后检测:腹膜结构及UF、MGT;Glo-1基因和蛋白表达、活性及GSH水平测定;AGEs表达和MG含量测定,RAGE基因和蛋白表达检测。从而阐明扶肾颗粒调节Glo-1改善腹膜超滤功能的分子机制,为提高腹透长期疗效具有重要意义。
腹膜超滤功能减退是导致腹膜透析失败的主要原因。前期研究证实扶肾颗粒可提高腹透患者透析效能。现代研究表明Glo-1与腹膜超滤功能密切相关,提出如下假说:“ 以健脾益肾、祛瘀降浊法为主的扶肾颗粒通过调控Glo-1因子的表达,降低MG水平,进而减少AGEs生成,以及阻断其与受体RAGE的结合,可有效改善腹膜超滤功能。该研究以调控Glo-1因子表达为切入点,采用扶肾颗粒干预,以大鼠5/6肾切除方法建立腹膜透析大鼠模型并于6周后分为正常对照组(A组),1.5%PD组(B组),1.5%PD+扶肾颗粒组(C组),4.25%PD组(D组),4.25%PD+扶肾颗粒组(E组),干预4周后检测:腹膜结构及UF、MGT;Glo-1基因和蛋白表达、活性及GSH水平测定;AGEs表达和MG含量测定,RAGE基因和蛋白表达检测。主要研究扶肾颗粒对大鼠腹膜结构和超滤功能的影响; 扶肾颗粒对腹膜透析大鼠Glo-1表达及GSH含量的影响;扶肾颗粒对腹膜透析大鼠AGEs的影响。本研究表明扶肾颗粒可能通过调节Glo-1,AGEs的表达水平,抑制氧化应激;减少AGEs及RAGE的生成并可能通过抑制AGEs与RAGE的结合,阻断AGEs-RAGE信号通路从而减少相关纤维性细胞因子生成;减少EGFR的表达,抑制其下游信号通路的激活,减少炎症细胞浸润及细胞因子的产生,从多方面保护腹膜超滤功能,延缓腹膜纤维化;此外慢性肾衰竭腹膜透析大鼠血红蛋白浓度与MG、MDA等相关氧化应激因子的含量呈负相关,与抗氧化物GSH的水平呈正相关,而通过扶肾颗粒干预治疗后,能提高模型大鼠体内GSH含量,减少MG及MDA蓄积,减轻腹膜纤维化水平,进而改善腹膜透析大鼠肾性贫血状态,为改善腹膜超滤功能提供新的治疗途径。
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数据更新时间:2023-05-31
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