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Xiexin Tang ameliorates dyslipidemia in high-fat diet-induced obese rats via elevating gut microbiota-derived short chain fatty acids production and adjusting energy metabolism.

Identifieur interne : 000181 ( Main/Exploration ); précédent : 000180; suivant : 000182

Xiexin Tang ameliorates dyslipidemia in high-fat diet-induced obese rats via elevating gut microbiota-derived short chain fatty acids production and adjusting energy metabolism.

Auteurs : Suwei Xiao [République populaire de Chine] ; Zhimiao Zhang [République populaire de Chine] ; Mengjun Chen [République populaire de Chine] ; Junfeng Zou [République populaire de Chine] ; Shu Jiang [République populaire de Chine] ; Dawei Qian [République populaire de Chine] ; Jinao Duan [République populaire de Chine]

Source :

RBID : pubmed:31220598

Descripteurs français

English descriptors

Abstract

ETHNOPHARMACOLOGICAL RELEVANCE

Traditional herbal medicine has been taken as a new and effective approach to treat many chronic diseases. Xiexin Tang (XXT), a compound recipe composed of Dahuang (Rheum palmatum L.), Huangqin (Scutellaria baicalensis Georgi) and Huanglian (Coptis chinensis Franch.), has been reported to have hypoglycemic and hypolipidemic effects, but its mechanism remains unclear. Our previous study found that Xiexin Tang markedly ameliorated the composition of the gut microbiota, especially for some short chain fatty acids (SCFAs) producing bacteria, and then notably increased SCFAs production. However, the mechanism of XXT on the fermentation of gut bacteria and further improvement of obesity is not yet clear.

AIM OF THE STUDY

This study aimed to unravel the molecular mechanism of XXT on the amelioration of obesity.

MATERIALS AND METHODS

Here, high-fat diet-induced obese rat model was established to investigate the intervention efficacy following oral administration of XXT. Additionally, the expressions of key enzymes of gut microbe-derived SCFAs biosynthesis and key targets in the signaling pathway of energy metabolism were investigated by ELISA and qPCR analysis.

RESULTS

Results showed that XXT could notably correct lipid metabolism disorders, alleviate systematic inflammation, improve insulin sensitivity and reduce fat accumulation. Additionally, XXT could increase gut microbiota-derived SCFAs-producing capacity by enhancing mRNA levels and activities of SCFA-synthetic key enzymes such as acetate kinase (ACK), methylmalonyl-CoA decarboxylase (MMD), butyryl-CoA: acetate CoA transferase (BUT) and butyrate kinase (BUK), which markedly decreased the adenosine triphosphate (ATP) contents, elevated adenosine diphosphate (ADP) and adenosine monophosphate (AMP) levels and further lowered the energy charge (EC) in obese rats via activating peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α)/uncoupling protein-2 (UCP-2) signaling pathway. What's more, XXT could notably ameliorate dyslipidemia via increasing the gene expression of 5'-AMP-activated protein kinase (AMPK) and blocking mammalian target of rapamycin (mTOR) signaling pathway.

CONCLUSIONS

Taken together, our data provided a novel insight into the role of XXT in losing weight from energy metabolism regulation, which unraveled the molecular mechanism of XXT on the alleviation of dyslipidemia and fat heterotopic accumulation. The study provided useful information for XXT in clinical application to treat obesity.


DOI: 10.1016/j.jep.2019.112032
PubMed: 31220598


Affiliations:


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<front>
<div type="abstract" xml:lang="en">
<p>
<b>ETHNOPHARMACOLOGICAL RELEVANCE</b>
</p>
<p>Traditional herbal medicine has been taken as a new and effective approach to treat many chronic diseases. Xiexin Tang (XXT), a compound recipe composed of Dahuang (Rheum palmatum L.), Huangqin (Scutellaria baicalensis Georgi) and Huanglian (Coptis chinensis Franch.), has been reported to have hypoglycemic and hypolipidemic effects, but its mechanism remains unclear. Our previous study found that Xiexin Tang markedly ameliorated the composition of the gut microbiota, especially for some short chain fatty acids (SCFAs) producing bacteria, and then notably increased SCFAs production. However, the mechanism of XXT on the fermentation of gut bacteria and further improvement of obesity is not yet clear.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>AIM OF THE STUDY</b>
</p>
<p>This study aimed to unravel the molecular mechanism of XXT on the amelioration of obesity.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>MATERIALS AND METHODS</b>
</p>
<p>Here, high-fat diet-induced obese rat model was established to investigate the intervention efficacy following oral administration of XXT. Additionally, the expressions of key enzymes of gut microbe-derived SCFAs biosynthesis and key targets in the signaling pathway of energy metabolism were investigated by ELISA and qPCR analysis.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>RESULTS</b>
</p>
<p>Results showed that XXT could notably correct lipid metabolism disorders, alleviate systematic inflammation, improve insulin sensitivity and reduce fat accumulation. Additionally, XXT could increase gut microbiota-derived SCFAs-producing capacity by enhancing mRNA levels and activities of SCFA-synthetic key enzymes such as acetate kinase (ACK), methylmalonyl-CoA decarboxylase (MMD), butyryl-CoA: acetate CoA transferase (BUT) and butyrate kinase (BUK), which markedly decreased the adenosine triphosphate (ATP) contents, elevated adenosine diphosphate (ADP) and adenosine monophosphate (AMP) levels and further lowered the energy charge (EC) in obese rats via activating peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α)/uncoupling protein-2 (UCP-2) signaling pathway. What's more, XXT could notably ameliorate dyslipidemia via increasing the gene expression of 5'-AMP-activated protein kinase (AMPK) and blocking mammalian target of rapamycin (mTOR) signaling pathway.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>CONCLUSIONS</b>
</p>
<p>Taken together, our data provided a novel insight into the role of XXT in losing weight from energy metabolism regulation, which unraveled the molecular mechanism of XXT on the alleviation of dyslipidemia and fat heterotopic accumulation. The study provided useful information for XXT in clinical application to treat obesity.</p>
</div>
</front>
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<Year>2019</Year>
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<Title>Journal of ethnopharmacology</Title>
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<Abstract>
<AbstractText Label="ETHNOPHARMACOLOGICAL RELEVANCE" NlmCategory="BACKGROUND">Traditional herbal medicine has been taken as a new and effective approach to treat many chronic diseases. Xiexin Tang (XXT), a compound recipe composed of Dahuang (Rheum palmatum L.), Huangqin (Scutellaria baicalensis Georgi) and Huanglian (Coptis chinensis Franch.), has been reported to have hypoglycemic and hypolipidemic effects, but its mechanism remains unclear. Our previous study found that Xiexin Tang markedly ameliorated the composition of the gut microbiota, especially for some short chain fatty acids (SCFAs) producing bacteria, and then notably increased SCFAs production. However, the mechanism of XXT on the fermentation of gut bacteria and further improvement of obesity is not yet clear.</AbstractText>
<AbstractText Label="AIM OF THE STUDY" NlmCategory="OBJECTIVE">This study aimed to unravel the molecular mechanism of XXT on the amelioration of obesity.</AbstractText>
<AbstractText Label="MATERIALS AND METHODS" NlmCategory="METHODS">Here, high-fat diet-induced obese rat model was established to investigate the intervention efficacy following oral administration of XXT. Additionally, the expressions of key enzymes of gut microbe-derived SCFAs biosynthesis and key targets in the signaling pathway of energy metabolism were investigated by ELISA and qPCR analysis.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">Results showed that XXT could notably correct lipid metabolism disorders, alleviate systematic inflammation, improve insulin sensitivity and reduce fat accumulation. Additionally, XXT could increase gut microbiota-derived SCFAs-producing capacity by enhancing mRNA levels and activities of SCFA-synthetic key enzymes such as acetate kinase (ACK), methylmalonyl-CoA decarboxylase (MMD), butyryl-CoA: acetate CoA transferase (BUT) and butyrate kinase (BUK), which markedly decreased the adenosine triphosphate (ATP) contents, elevated adenosine diphosphate (ADP) and adenosine monophosphate (AMP) levels and further lowered the energy charge (EC) in obese rats via activating peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α)/uncoupling protein-2 (UCP-2) signaling pathway. What's more, XXT could notably ameliorate dyslipidemia via increasing the gene expression of 5'-AMP-activated protein kinase (AMPK) and blocking mammalian target of rapamycin (mTOR) signaling pathway.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Taken together, our data provided a novel insight into the role of XXT in losing weight from energy metabolism regulation, which unraveled the molecular mechanism of XXT on the alleviation of dyslipidemia and fat heterotopic accumulation. The study provided useful information for XXT in clinical application to treat obesity.</AbstractText>
<CopyrightInformation>Copyright © 2019 Elsevier B.V. All rights reserved.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Xiao</LastName>
<ForeName>Suwei</ForeName>
<Initials>S</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Zhang</LastName>
<ForeName>Zhimiao</ForeName>
<Initials>Z</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Chen</LastName>
<ForeName>Mengjun</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Zou</LastName>
<ForeName>Junfeng</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Jiang</LastName>
<ForeName>Shu</ForeName>
<Initials>S</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China. Electronic address: jiangshu2020@126.com.</Affiliation>
</AffiliationInfo>
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<LastName>Qian</LastName>
<ForeName>Dawei</ForeName>
<Initials>D</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Duan</LastName>
<ForeName>Jinao</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, PR China. Electronic address: dja@njutcm.edu.cn.</Affiliation>
</AffiliationInfo>
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<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2019</Year>
<Month>06</Month>
<Day>18</Day>
</ArticleDate>
</Article>
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<Country>Ireland</Country>
<MedlineTA>J Ethnopharmacol</MedlineTA>
<NlmUniqueID>7903310</NlmUniqueID>
<ISSNLinking>0378-8741</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D019440">Anti-Obesity Agents</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D004365">Drugs, Chinese Herbal</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D005232">Fatty Acids, Volatile</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D000960">Hypolipidemic Agents</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="C518364">Xiexin decoction</NameOfSubstance>
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<MeshHeading>
<DescriptorName UI="D000273" MajorTopicYN="N">Adipose Tissue</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D019440" MajorTopicYN="N">Anti-Obesity Agents</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName>
<QualifierName UI="Q000627" MajorTopicYN="Y">therapeutic use</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D059305" MajorTopicYN="N">Diet, High-Fat</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D004365" MajorTopicYN="N">Drugs, Chinese Herbal</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName>
<QualifierName UI="Q000627" MajorTopicYN="Y">therapeutic use</QualifierName>
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<MeshHeading>
<DescriptorName UI="D050171" MajorTopicYN="N">Dyslipidemias</DescriptorName>
<QualifierName UI="Q000188" MajorTopicYN="Y">drug therapy</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D004734" MajorTopicYN="N">Energy Metabolism</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005232" MajorTopicYN="N">Fatty Acids, Volatile</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000069196" MajorTopicYN="Y">Gastrointestinal Microbiome</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000960" MajorTopicYN="N">Hypolipidemic Agents</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName>
<QualifierName UI="Q000627" MajorTopicYN="Y">therapeutic use</QualifierName>
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<MeshHeading>
<DescriptorName UI="D008099" MajorTopicYN="N">Liver</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
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<MeshHeading>
<DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D009765" MajorTopicYN="N">Obesity</DescriptorName>
<QualifierName UI="Q000188" MajorTopicYN="Y">drug therapy</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
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<MeshHeading>
<DescriptorName UI="D017207" MajorTopicYN="N">Rats, Sprague-Dawley</DescriptorName>
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<Keyword MajorTopicYN="N">AMPK</Keyword>
<Keyword MajorTopicYN="N">Energy metabolism</Keyword>
<Keyword MajorTopicYN="N">Lipid metabolism</Keyword>
<Keyword MajorTopicYN="N">Obesity</Keyword>
<Keyword MajorTopicYN="N">SCFAs</Keyword>
<Keyword MajorTopicYN="N">Xiexin tang</Keyword>
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<Year>2019</Year>
<Month>04</Month>
<Day>21</Day>
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<PubMedPubDate PubStatus="revised">
<Year>2019</Year>
<Month>06</Month>
<Day>16</Day>
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<Year>2019</Year>
<Month>06</Month>
<Day>16</Day>
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<Year>2019</Year>
<Month>6</Month>
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<Month>1</Month>
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<ArticleId IdType="pii">S0378-8741(19)31589-2</ArticleId>
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<name sortKey="Duan, Jinao" sort="Duan, Jinao" uniqKey="Duan J" first="Jinao" last="Duan">Jinao Duan</name>
<name sortKey="Jiang, Shu" sort="Jiang, Shu" uniqKey="Jiang S" first="Shu" last="Jiang">Shu Jiang</name>
<name sortKey="Qian, Dawei" sort="Qian, Dawei" uniqKey="Qian D" first="Dawei" last="Qian">Dawei Qian</name>
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