滋阴息风方对自发性高血压大鼠肾脏JAK/STAT信号通路的影响

目的观察滋阴息风方对自发性高血压大鼠血压及肾脏JAK/STAT信号通路的影响。方法随机将40只SHR大鼠分为模型组、中药低剂量组、中药高剂量组和复方罗布麻组,10只具有相同背景的SKY大鼠做正常组。治疗组给予对应药物灌胃,正常组和模型组给予等量生理盐水灌胃,连续给药42 d,分别于给药后第0、7、14、21、28、35、42天采用小动物无创血压仪检测各组大鼠收缩压血压变化情况。实验第42天,于灌胃2 h后取材,全自动生化分析仪检测血清肌酐(Cr)、尿素氮(BUN)、尿酸(UA)含量。酶联免疫吸附试验(ELISA)法检测血清白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)含量,蛋白免疫...

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Published in北京中医药大学学报 Vol. 39; no. 1; pp. 30 - 34
Main Author 王俊岩 张林 贾连群 陈文娜 孙宏伟 邵楚茜 杨关林
Format Journal Article
LanguageChinese
Published 辽宁中医药大学 辽宁110032 2016
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Summary:目的观察滋阴息风方对自发性高血压大鼠血压及肾脏JAK/STAT信号通路的影响。方法随机将40只SHR大鼠分为模型组、中药低剂量组、中药高剂量组和复方罗布麻组,10只具有相同背景的SKY大鼠做正常组。治疗组给予对应药物灌胃,正常组和模型组给予等量生理盐水灌胃,连续给药42 d,分别于给药后第0、7、14、21、28、35、42天采用小动物无创血压仪检测各组大鼠收缩压血压变化情况。实验第42天,于灌胃2 h后取材,全自动生化分析仪检测血清肌酐(Cr)、尿素氮(BUN)、尿酸(UA)含量。酶联免疫吸附试验(ELISA)法检测血清白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)含量,蛋白免疫印迹(Western blot)法检测肾脏p-JAK1、p-STAT1蛋白表达。结果与正常组比较,模型组大鼠血压、Cr、BUN、UA、IL-6、TNF-α显著升高,经治疗后,各项指标均有显著改善(P〈0.05、P〈0.01),以中药高剂量和复方罗布麻效果较为明显。Western blot结果显示,与正常组比较,模型组大鼠肾脏p-JAK1、p-STAT1蛋白表达显著升高(P〈0.01),与模型组比较,各治疗组p-JAK1、p-STAT1蛋白表达均有不同程度下降(P〈0.05,P〈0.01)。结论滋阴息风方对自发性高血压大鼠降压作用明显,可明显改善高血压肾脏功能损伤,具体机制可能是通过抑制JAK/STAT信号通路的激活实现。
Bibliography:11-3574/R
WANG Junyan, ZHANG Lin, JIA Lianqun, CHEN Wenna, SUN Hongwei, SHAO Chuqian, YANG Guanlin ( Liaoning University of Traditional Chinese Medicine, Liaoning 110032)
Ziyin Xifeng Fang; hypertension; kidney damage; JAK/STAT signal pathway; rats
Objective To observe the effects of Ziyin Xifeng Fang( ZYXFF),a Chinese medicine compound formulated by the method of nourishing yin and extinguishing wind,on the blood pressure and renal JAK/STAT signal pathway in the rat model of spontaneously hypertension( SH). Methods 40 SH rats were randomly divided into four groups( n = 10 each) : model group,low dose of ZYXFF( low-dose)group,high dose of ZYXFF( high-dose) group and compound apocynum group. Another 10 SKY rats with the same background were included in the control group. The rats of three treatment groups were administered intragastrically( i. g.) proper drugs,and those of control group and model group were i. g. saline for consecutive 42 days. The systolic blood pressure( BP) was measured by using small animal n
ISSN:1006-2157
DOI:10.3969/j.issn.1006-2157.2016.01.006