四磨汤口服液改善功能性消化不良模型大鼠的作用机制

R965%R285; 目的 探讨四磨汤口服液调控PTEN诱导假定激酶1(Pink1)/E3泛素连接酶(Parkin)轴对功能性消化不良(FD)模型大鼠的改善作用及机制.方法 取SD雄性大鼠,利用不可预知的慢性应激法建立FD模型,然后随机分为模型组、阳性对照组(多潘立酮片,3.5 mg/kg)、四磨汤组(四磨汤口服液,5.4 mL/kg),另设不造模的空白组,每组20只.各给药组大鼠灌胃相应药物,空白组和模型组大鼠灌胃等体积生理盐水,每天1次,持续14 d.末次给药结束后,检测大鼠胃排空率和小肠推进率;检测大鼠血清中胃肠激素[胃动素(MTL)、胃泌素(GAS)、胆囊收缩素(CCK)]含量;观察大...

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Published in中国药房 Vol. 34; no. 21; pp. 2589 - 2594
Main Authors 符佳, 周赛男
Format Journal Article
LanguageChinese
Published 湖南中医药大学第一附属医院脾胃病科,长沙 410007 01.11.2023
Subjects
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ISSN1001-0408
DOI10.6039/j.issn.1001-0408.2023.21.04

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Abstract R965%R285; 目的 探讨四磨汤口服液调控PTEN诱导假定激酶1(Pink1)/E3泛素连接酶(Parkin)轴对功能性消化不良(FD)模型大鼠的改善作用及机制.方法 取SD雄性大鼠,利用不可预知的慢性应激法建立FD模型,然后随机分为模型组、阳性对照组(多潘立酮片,3.5 mg/kg)、四磨汤组(四磨汤口服液,5.4 mL/kg),另设不造模的空白组,每组20只.各给药组大鼠灌胃相应药物,空白组和模型组大鼠灌胃等体积生理盐水,每天1次,持续14 d.末次给药结束后,检测大鼠胃排空率和小肠推进率;检测大鼠血清中胃肠激素[胃动素(MTL)、胃泌素(GAS)、胆囊收缩素(CCK)]含量;观察大鼠胃窦组织中卡哈尔间质细胞(ICC)线粒体结构;观察大鼠胃窦组织中细胞色素C氧化酶Ⅳ(COX Ⅳ)和Parkin在线粒体中的共定位表达;检测大鼠胃窦组织中微管相关蛋白轻链3(LC3)、p62、Pink1、Parkin蛋白的表达.结果 与空白组比较,模型组大鼠胃排空率、小肠推进率和血清中MTL、GAS含量以及p62蛋白表达水平均显著降低(P<0.05),血清中CCK含量和胃窦组织线粒体中COX Ⅳ、Parkin的共定位表达以及LC3、Pink1、Parkin蛋白表达水平均显著升高(P<0.05);胃窦组织中ICC线粒体数量减少,线粒体空泡化,线粒体嵴模糊,自噬溶酶体较多.与模型组比较,阳性对照组和四磨汤组大鼠上述指标水平均显著逆转(P<0.05);ICC线粒体结构逐渐恢复,线粒体嵴清晰,自噬溶酶体减少.结论 四磨汤口服液可改善FD模型大鼠的胃肠动力和胃肠激素水平,其作用机制可能与抑制Pink1/Parkin轴、阻断自噬有关.
AbstractList R965%R285; 目的 探讨四磨汤口服液调控PTEN诱导假定激酶1(Pink1)/E3泛素连接酶(Parkin)轴对功能性消化不良(FD)模型大鼠的改善作用及机制.方法 取SD雄性大鼠,利用不可预知的慢性应激法建立FD模型,然后随机分为模型组、阳性对照组(多潘立酮片,3.5 mg/kg)、四磨汤组(四磨汤口服液,5.4 mL/kg),另设不造模的空白组,每组20只.各给药组大鼠灌胃相应药物,空白组和模型组大鼠灌胃等体积生理盐水,每天1次,持续14 d.末次给药结束后,检测大鼠胃排空率和小肠推进率;检测大鼠血清中胃肠激素[胃动素(MTL)、胃泌素(GAS)、胆囊收缩素(CCK)]含量;观察大鼠胃窦组织中卡哈尔间质细胞(ICC)线粒体结构;观察大鼠胃窦组织中细胞色素C氧化酶Ⅳ(COX Ⅳ)和Parkin在线粒体中的共定位表达;检测大鼠胃窦组织中微管相关蛋白轻链3(LC3)、p62、Pink1、Parkin蛋白的表达.结果 与空白组比较,模型组大鼠胃排空率、小肠推进率和血清中MTL、GAS含量以及p62蛋白表达水平均显著降低(P<0.05),血清中CCK含量和胃窦组织线粒体中COX Ⅳ、Parkin的共定位表达以及LC3、Pink1、Parkin蛋白表达水平均显著升高(P<0.05);胃窦组织中ICC线粒体数量减少,线粒体空泡化,线粒体嵴模糊,自噬溶酶体较多.与模型组比较,阳性对照组和四磨汤组大鼠上述指标水平均显著逆转(P<0.05);ICC线粒体结构逐渐恢复,线粒体嵴清晰,自噬溶酶体减少.结论 四磨汤口服液可改善FD模型大鼠的胃肠动力和胃肠激素水平,其作用机制可能与抑制Pink1/Parkin轴、阻断自噬有关.
Author 符佳
周赛男
AuthorAffiliation 湖南中医药大学第一附属医院脾胃病科,长沙 410007
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ZHOU Sainan
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Keywords 四磨汤口服液
PTEN-induced putative kinase 1
自噬
Simotang oral liquid
autophagy
PTEN诱导假定激酶1
E3 ubiquitin ligase
E3泛素连接酶
functional dyspepsia
功能性消化不良
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