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石淋清颗粒对大鼠草酸钙肾结石的影响及机制
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杨 雄 ,靳潇潇 ,李卫胜 ,郑 聪 ,何文强 (1.南阳市第二人民医院泌尿男科,河南 南阳 473000;2.河南
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中医药大学第一附属医院泌尿外科二区,郑州 450003)
中图分类号 R965 文献标志码 A 文章编号 1001-0408(2024)22-2750-06
DOI 10.6039/j.issn.1001-0408.2024.22.08
摘 要 目的 基于沉默信息调节因子1(SIRT1)/核因子κB(NF-κB)/核苷酸结合结构域富含亮氨酸重复序列和含热蛋白结构域
受体3(NLRP3)信号通路探讨石淋清颗粒对大鼠草酸钙肾结石的影响及潜在机制。方法 将60只雄性SD大鼠随机分为对照组,
模型组,石淋清颗粒低、中、高剂量组(6.5、13、26 g/kg,以生药量计)和石淋清颗粒高剂量+抑制剂组(石淋清颗粒26 g/kg+SIRT1抑
制剂尼克酰胺 5 mg/kg),每组 10 只。除对照组外,其余各组大鼠均自由饮用 1% 乙二醇溶液并灌胃 2% 氯化铵溶液 2 mL(每天 1
次,连续4周),以构建草酸钙肾结石模型。造模同时,各药物组大鼠灌胃或(和)腹腔注射相应药液,对照组和模型组灌胃生理盐
水并腹腔注射二甲基亚砜。检测各组大鼠体重、肾脏指数、尿液/血清生化指标[24 h尿量、尿pH、尿钙离子(Ca )和尿草酸(Ox)含
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量,以及血肌酐(Scr)、血尿素氮(BUN)、血Ca 含量]、血清炎症指标[白细胞介素1β(IL-1β)、IL-18水平],观察其肾组织病理变化、
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草酸钙结晶情况并进行结晶评分,检测其肾组织中SIRT1、NLRP3、NF-κB蛋白的表达情况。结果 与对照组相比,模型组大鼠肾
组织损伤严重并可见大量草酸钙结晶;其体重、24 h尿量、尿pH及肾组织中SIRT1蛋白的表达均显著降低或下调(P<0.05);结晶
评分,肾脏指数,尿Ca 、Ox含量,血清中Scr、BUN、Ca 含量和IL-1β、IL-18水平,以及肾组织中NF-κB、NLRP3蛋白的表达均显著
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升高或上调(P<0.05)。与模型组相比,石淋清颗粒各剂量组大鼠肾组织病理改变有所好转,草酸钙结晶有所减少,各定量指标均
显著改善(P<0.05);而SIRT1抑制剂可显著逆转高剂量石淋清颗粒对上述指标的改善作用(P<0.05)。结论 石淋清颗粒可抑制
大鼠草酸钙肾结石的形成,降低炎症指标水平;其机制可能与上调SIRT1蛋白表达,下调NF-κB、NLRP3蛋白表达有关。
关键词 石淋清颗粒;草酸钙肾结石;炎症反应;SIRT1/NF-κB/NLRP3信号通路
Effect of Shilinqing granules on calcium oxalate nephrolithiasis in rats and its mechanism
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YANG Xiong ,JIN Xiaoxiao ,LI Weisheng ,ZHENG Cong ,HE Wenqiang(1. Dept. of Urology and Andrology,
Nanyang Second General Hospital, Henan Nanyang 473000, China;2. Section Two, Dept. of Urology, the First
Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450003, China)
ABSTRACT OBJECTIVE To explore the effect of Shilinqing granules on calcium oxalate nephrolithiasis in rats and its potential
mechanisms through the silence information regulator 1 (SIRT1)/nuclear factor-κB (NF-κB)/nucleotide-binding domain leucine-rich
repeat and pyrin domain-containing receptor 3 (NLRP3) signaling pathway. METHODS Sixty male SD rats were randomly
assigned to control group, model group, and low- , medium- , high-dose groups of Shilinqing granules (6.5, 13, 26 g/kg,
calculated based on crude drug), and high-dose of Shilinqing granules+inhibitor group (Shilinqing granules 26 g/kg+SIRT1
inhibitor nicotinamide 5 mg/kg), with 10 rats in each group. Except for the control group, the remaining groups of rats were given
1% ethylene glycol solution to drink freely and were intubated with 2% ammonium chloride solution 2 mL (once a day, for 4
weeks) to construct a calcium oxalate nephrolithiasis model. At the same time of modeling, the administration groups were
intubated or (and) intraperitoneally injected with the corresponding drug solutions, while the control and the model groups were
intubated with physiological saline and intraperitoneally injected with dimethyl sulfoxide. The body weight, kidney index, urine/
blood biochemical indicators [24-hour urine volume, urine pH, urinary calcium ion (Ca ) and urinary oxalic acid (Ox) content, as
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well as blood creatinine (Scr), blood urea nitrogen (BUN), blood Ca content], serum inflammatory indicators [levels of
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interleukin-1β (IL-1β), IL-18], pathological changes in renal tissue, calcium oxalate crystallization, and crystal scoring were
observed. The protein expressions of SIRT1, NLRP3, and NF-κB in renal tissue were detected. RESULTS Compared with the
control group, the model group had severe renal tissue damage and a large number of calcium oxalate crystals, with significant
decrease or downregulation in body weight, 24-hour urine volume, urine pH, and protein expression of SIRT1 in renal tissue (P<
0.05); crystal score, kidney index, urinary contents of Ca and Ox, serum contents of Scr, BUN and Ca , and serum levels of IL-
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1β and IL-18, as well as the protein expressions of NF-κB,
Δ 基金项目 河南省卫生健康委国家中医药传承创新科研专项 NLRP3 in renal tissue were significantly increased or
(No. 2023ZXZX1089);河 南 省 中 医 药 科 学 研 究 专 项 课 题(No.
upregulated (P<0.05). The pathological changes in the rats of
2024ZY2045) each dose group of Shilinqing granules were improved, the
*第一作者 医师,硕士。研究方向:泌尿外科疾病的临床诊疗与
基础。E-mail:656670765@qq.com calcium oxalate crystals were reduced, and all quantitative
# 通信作者 主任医师,教授,硕士生导师。研究方向:泌尿外科疾 indicators were significantly improved as compared with the
病的临床诊疗与基础。E-mail:Hewenqiang2021004@163.com model group (P<0.05); while the SIRT1 inhibitor could
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