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Protective effect of isoliquiritigenin on experimental diabetic nephropathy in rats: Impact on Sirt-1/NFκB balance and NLRP3 expression.
International Immunopharmacology ( IF 4.8 ) Pub Date : 2020-07-21 , DOI: 10.1016/j.intimp.2020.106813
Sharifa Alzahrani 1 , Sawsan A Zaitone 2 , Eman Said 3 , Mohamed El-Sherbiny 4 , Sadeem Ajwah 5 , Sumayyah Yasser Alsharif 5 , Nehal M Elsherbiny 6
Affiliation  

The prevalence of diabetes mellitus (DM) drastically increases worldwide. Persistent hyperglycemia affects body microvasculature causing injuries to kidney producing diabetic nephropathy (DNE). Manifestation of these microvascular complications is associated with disturbed redox homeostasis. The current study evaluated the effect of isoliquiritigenin (ISLQ), a bioactive chalcone found in licorice which is known for its antioxidant effect, on diabetes-induced renal injury. DM was prompted in male rats by streptozotocin (STZ, 50 mg/kg, intraperitoneally). ISLQ was administrated by oral gavage for 8 weeks at a dose (20 mg/kg/day). Features of renal injury were observed in kidneys of diabetic rats including, albuminuria and deteriorated renal function. Renal dysfunction was associated with reduced sirtuin-1 (Sirt-1) expression, increased renal oxidative stress, nucleotide-binding domain and leucine-rich repeat containing protein-3 (NLRP3), nuclear factor-κB (NFκB) and inflammatory cytokines interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). Moreover, there was significant downregulation of anti-inflammatory cytokine interleukin-10 (IL-10), glomerular and tubular injury and collagen accumulation. ISLQ administration preserved renal function and architecture, restored Sirt1 and renal oxidant-antioxidant balance, dampened inflammation and attenuated collagen accumulation. It can be inferred that ISLQ possess a protective effect and could have a potential as a food supplement to halt development and progression of DNE.



中文翻译:

异quiritigeninin对大鼠糖尿病性肾病的保护作用:对Sirt-1 /NFκB平衡和NLRP3表达的影响。

在世界范围内,糖尿病(DM)的发病率急剧上升。持续性高血糖会影响人体的微血管,导致肾脏损害,导致糖尿病性肾病(DNE)。这些微血管并发症的表现与氧化还原稳态的紊乱有关。当前的研究评估了甘草中发现的一种具有生物活性的查尔酮异黄体生成素(ISLQ),该物质具有抗氧化作用,对糖尿病引起的肾损伤具有治疗作用。链脲佐菌素(STZ,50 mg / kg,腹膜内注射)可促使雄性大鼠产生DM。通过口服强饲法以剂量(20 mg / kg /天)连续8周对ISLQ进行管理。在糖尿病大鼠的肾脏中观察到肾损伤的特征,包括蛋白尿和肾功能恶化。肾功能不全与sirtuin-1(Sirt-1)表达降低有关,肾氧化应激,核苷酸结合结构域和富含亮氨酸的重复蛋白(蛋白3(NLRP3),核因子-κB(NFκB)和炎性细胞因子白介素-1β(IL-1β)和肿瘤坏死因子-α(TNF-α)升高)。此外,抗炎细胞因子白介素10(IL-10),肾小球和肾小管损伤以及胶原蛋白积聚均显着下调。ISLQ给药可保持肾脏功能和结构,恢复Sirt1和肾脏氧化剂-抗氧化剂的平衡,减轻炎症反应并减少胶原蛋白的积累。可以推断,ISLQ具有保护作用,并且有可能作为食品补充剂来阻止DNE的发展和进程。核因子-κB(NFκB)和炎性细胞因子白介素-1β(IL-1β)和肿瘤坏死因子-α(TNF-α)。此外,抗炎细胞因子白介素10(IL-10),肾小球和肾小管损伤以及胶原蛋白积聚均显着下调。ISLQ给药可保持肾脏功能和结构,恢复Sirt1和肾脏氧化剂-抗氧化剂的平衡,减轻炎症反应并减少胶原蛋白的积累。可以推断,ISLQ具有保护作用,并且有可能作为食品补充剂来阻止DNE的发展和进程。核因子-κB(NFκB)和炎性细胞因子白介素-1β(IL-1β)和肿瘤坏死因子-α(TNF-α)。此外,抗炎细胞因子白介素10(IL-10),肾小球和肾小管损伤以及胶原蛋白积聚均显着下调。ISLQ给药可保持肾脏功能和结构,恢复Sirt1和肾脏氧化剂-抗氧化剂的平衡,减轻炎症反应并减少胶原蛋白的积累。可以推断,ISLQ具有保护作用,并且有可能作为食品补充剂来阻止DNE的发展和进程。ISLQ给药可保持肾脏功能和结构,恢复Sirt1和肾脏氧化剂-抗氧化剂的平衡,减轻炎症反应并减少胶原蛋白的积累。可以推断,ISLQ具有保护作用,并且有可能作为食品补充剂来阻止DNE的发展和进程。ISLQ给药可保持肾脏功能和结构,恢复Sirt1和肾脏氧化剂-抗氧化剂的平衡,减轻炎症反应并减少胶原蛋白的积累。可以推断,ISLQ具有保护作用,并且有可能作为食品补充剂来阻止DNE的发展和进程。

更新日期:2020-07-21
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