基因表达谱分析非酒精性脂肪性肝病中谷胱甘肽转移酶的作用

目的 用二代转录组测序(RNA-seq)技术,结合差异基因GO分析、KEGG富集分析,探讨谷胱甘肽转移酶(GST)在高脂饮食诱导的小鼠非酒精性脂肪性肝病(NAFLD)中的作用。 方法 14只雄性C57BL/6J小鼠随机抽样分为对照组(n=6)和模型组(n=8)。对照组小鼠喂养普通饲料;模型组喂养高脂饲料,连续7周,构建NAFLD模型。试剂盒检测血清ALT、AST活性及TG水平、苏木精-伊红(HE)和油红染色观察肝组织病理和脂滴沉积情况;提取肝组织RNA进行高通量转录组测序,将基因表达量差异倍数≥2.0且P<0.05定义为差异基因,筛选对照组与模型组肝组织差异基因,应用GO、KEGG数据库进行功...

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Published inLinchuang gandanbing zazhi Vol. 39; no. 1; pp. 89 - 96
Main Authors 沈婷婷, 朱哿瑞, 王帆, 孙鑫, 黄恺, 彭渊, 陶艳艳, 刘成海
Format Journal Article
LanguageChinese
Published Changchun Journal of Clinical Hepatology 01.01.2023
上海市中医临床重点实验室,上海201203
上海中医药大学附属曙光医院·肝病研究所,上海201203%上海市中医临床重点实验室,上海201203%上海中医药大学附属曙光医院·肝病研究所,上海201203
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ISSN1001-5256
2097-3497
DOI10.3969/j.issn.1001-5256.2023.01.014

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Abstract 目的 用二代转录组测序(RNA-seq)技术,结合差异基因GO分析、KEGG富集分析,探讨谷胱甘肽转移酶(GST)在高脂饮食诱导的小鼠非酒精性脂肪性肝病(NAFLD)中的作用。 方法 14只雄性C57BL/6J小鼠随机抽样分为对照组(n=6)和模型组(n=8)。对照组小鼠喂养普通饲料;模型组喂养高脂饲料,连续7周,构建NAFLD模型。试剂盒检测血清ALT、AST活性及TG水平、苏木精-伊红(HE)和油红染色观察肝组织病理和脂滴沉积情况;提取肝组织RNA进行高通量转录组测序,将基因表达量差异倍数≥2.0且P<0.05定义为差异基因,筛选对照组与模型组肝组织差异基因,应用GO、KEGG数据库进行功能分析,并采用qRT-PCR验证差异基因表达。符合正态分布的计量资料两组比较采用独立样本t检验。 结果 对照组与模型组小鼠体质量、血清ALT、AST差异无统计学意义(P值均>0.05)。与对照组相比,模型组血清TG水平明显高于对照组[(2.02±0.50)mmol/L vs (1.00±0.29)mmol/L,t=-4.45,P=0.001]。HE染色提示:模型组可见弥漫性脂肪变性和气球样变。油红染色显示:模型组肝细胞胞浆内橘红色脂滴明显增多,且肝细胞脂肪变分级明显高于对照组(1.88±0.64 vs 1.00±0.00,t=-3.86,P=0.006)。转录组测序提示两组差异基因1367个,其中上调基因数608个、下调基因数759个;且两组中GST基因差异表达17个。选择差异倍数最明显的前10个GST基因进行验证。与对照组相比,GSTa2、GSTa3、GSTa4、GSTm1、GSTm2、GSTm3、GSTm4、GSTp1、GSTo1表达下调,GSTk1表达上调。实验结果与测序结果一致。 结论 GST通过参与类固醇代谢过程、脂肪酸代谢过程、胆固醇代谢过程等多个生物学过程影响脂质代谢,与NAFLD发病密切相关。
AbstractList 目的 用二代转录组测序(RNA-seq)技术,结合差异基因GO分析、KEGG富集分析,探讨谷胱甘肽转移酶(GST)在高脂饮食诱导的小鼠非酒精性脂肪性肝病(NAFLD)中的作用.方法 14只雄性C57BL/6J小鼠随机抽样分为对照组(n=6)和模型组(n=8).对照组小鼠喂养普通饲料;模型组喂养高脂饲料,连续7周,构建NAFLD模型.试剂盒检测血清ALT、AST活性及TG水平、苏木精-伊红(HE)和油红染色观察肝组织病理和脂滴沉积情况;提取肝组织RNA进行高通量转录组测序,将基因表达量差异倍数≥2.0且P<0.05定义为差异基因,筛选对照组与模型组肝组织差异基因,应用GO、KEGG数据库进行功能分析,并采用qRT-PCR验证差异基因表达.符合正态分布的计量资料两组比较采用独立样本t检验.结果 对照组与模型组小鼠体质量、血清ALT、AST差异无统计学意义(P值均>0.05).与对照组相比,模型组血清TG水平明显高于对照组[(2.02±0.50)mmol/L vs(1.00±0.29)mmol/L,t=-4.45,P=0.001].HE染色提示:模型组可见弥漫性脂肪变性和气球样变.油红染色显示:模型组肝细胞胞浆内橘红色脂滴明显增多,且肝细胞脂肪变分级明显高于对照组(1.88±0.64 vs 1.00±0.00,t=-3.86,P=0.006).转录组测序提示两组差异基因1367个,其中上调基因数608个、下调基因数759个;且两组中GST基因差异表达17个.选择差异倍数最明显的前10个GST基因进行验证.与对照组相比,GSTa2、GSTa3、GSTa4、GSTm1、GSTm2、GSTm3、GSTm4、GSTp1、GSTo1表达下调,GSTk1表达上调.实验结果与测序结果一致.结论 GST通过参与类固醇代谢过程、脂肪酸代谢过程、胆固醇代谢过程等多个生物学过程影响脂质代谢,与NAFLD发病密切相关.
目的 用二代转录组测序(RNA-seq)技术,结合差异基因GO分析、KEGG富集分析,探讨谷胱甘肽转移酶(GST)在高脂饮食诱导的小鼠非酒精性脂肪性肝病(NAFLD)中的作用。 方法 14只雄性C57BL/6J小鼠随机抽样分为对照组(n=6)和模型组(n=8)。对照组小鼠喂养普通饲料;模型组喂养高脂饲料,连续7周,构建NAFLD模型。试剂盒检测血清ALT、AST活性及TG水平、苏木精-伊红(HE)和油红染色观察肝组织病理和脂滴沉积情况;提取肝组织RNA进行高通量转录组测序,将基因表达量差异倍数≥2.0且P<0.05定义为差异基因,筛选对照组与模型组肝组织差异基因,应用GO、KEGG数据库进行功能分析,并采用qRT-PCR验证差异基因表达。符合正态分布的计量资料两组比较采用独立样本t检验。 结果 对照组与模型组小鼠体质量、血清ALT、AST差异无统计学意义(P值均>0.05)。与对照组相比,模型组血清TG水平明显高于对照组[(2.02±0.50)mmol/L vs (1.00±0.29)mmol/L,t=-4.45,P=0.001]。HE染色提示:模型组可见弥漫性脂肪变性和气球样变。油红染色显示:模型组肝细胞胞浆内橘红色脂滴明显增多,且肝细胞脂肪变分级明显高于对照组(1.88±0.64 vs 1.00±0.00,t=-3.86,P=0.006)。转录组测序提示两组差异基因1367个,其中上调基因数608个、下调基因数759个;且两组中GST基因差异表达17个。选择差异倍数最明显的前10个GST基因进行验证。与对照组相比,GSTa2、GSTa3、GSTa4、GSTm1、GSTm2、GSTm3、GSTm4、GSTp1、GSTo1表达下调,GSTk1表达上调。实验结果与测序结果一致。 结论 GST通过参与类固醇代谢过程、脂肪酸代谢过程、胆固醇代谢过程等多个生物学过程影响脂质代谢,与NAFLD发病密切相关。
Author 陶艳艳
王帆
黄恺
彭渊
孙鑫
沈婷婷
朱哿瑞
刘成海
AuthorAffiliation 上海中医药大学附属曙光医院·肝病研究所,上海201203%上海市中医临床重点实验室,上海201203%上海中医药大学附属曙光医院·肝病研究所,上海201203;上海市中医临床重点实验室,上海201203
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PENG Yuan
SUN Xin
ZHU Gerui
TAO Yanyan
HUANG Kai
WANG Fan
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Keywords 非酒精性脂肪性肝病
谷胱甘肽转移酶
基因表达谱
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PublicationTitle_FL Journal of Clinical Hepatology
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上海市中医临床重点实验室,上海201203
上海中医药大学附属曙光医院·肝病研究所,上海201203%上海市中医临床重点实验室,上海201203%上海中医药大学附属曙光医院·肝病研究所,上海201203
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Snippet 目的 用二代转录组测序(RNA-seq)技术,结合差异基因GO分析、KEGG富集分析,探讨谷胱甘肽转移酶(GST)在高脂饮食诱导的小鼠非酒精性脂肪性肝病(NAFLD)中的作用。 方法 14只雄...
目的 用二代转录组测序(RNA-seq)技术,结合差异基因GO分析、KEGG富集分析,探讨谷胱甘肽转移酶(GST)在高脂饮食诱导的小鼠非酒精性脂肪性肝病(NAFLD)中的作用.方法 14只雄...
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SubjectTerms Fatty liver
Genes
Glutathione
Lipids
Liver diseases
Metabolism
Title 基因表达谱分析非酒精性脂肪性肝病中谷胱甘肽转移酶的作用
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