Gardenia extract protects against intrahepatic cholestasis by regulating bile acid enterohepatic circulation
Copyright © 2023. Published by Elsevier B.V..
ETHNOPHARMACOLOGICAL RELEVANCE: Cholestasis is the main manifestation of cholestatic liver disease, which has a risk of progression to end-stage liver disease. Gardeniae Fructus is the dried fruit of Gardeniae jasminoides Ellis, a plant of the Rubiaceae family. Gardeniae Fructus has shown therapeutic potential in cholestasis-related liver diseases and it is generally believed that Gardeniae Fructus ameliorates cholestasis, which could be related to its influence on bile acids (BAs) metabolism. However, the specific targets of Gardeniae Fructus and its impact on enterohepatic circulation of BAs have not yet been fully elucidated.
AIM OF THE STUDY: To systematically elucidate the mechanism by which Gardenia extract (GE, total iridoids in Gardeniae Fructus, which contains the predominant and characteristic phytoconstituents of Gardeniae Fructus) ameliorates alpha-naphthylisothiocyanate (ANIT)-induced cholestatic liver injury.
MATERIALS AND METHODS: Sprague-Dawley rats were orally administered water, obeticholic acid (OCA, 2 mg/kg), or GE (21 and 42 mg/kg) once daily for five days. On the third day, the model was established by administration of a single dose of ANIT (40 mg/kg) by oral gavage. Biochemical and pathological analyses, BA metabolomics, transcriptomics, and qRT-PCR were performed.
RESULTS: The profile of BAs in serum and liver confirmed that GE attenuated ANIT-induced acute cholestasis by affecting BA metabolism in a dose-dependent manner. Liver transcriptomic analysis indicated that GE mainly influenced the primary bile acid (PBA) biosynthesis and bile secretion pathways. GE mainly affected PBA biosynthesis in liver by upregulating Cyp8b1 gene expression, thereby significantly reducing the level of total bile acids (TBA). GE mainly promoted PBA excretion from liver into duodenum by upregulating Fxr and Oatp1 gene expression, thereby increasing the excretion of PBA in feces, and inhibiting PBA in liver entering the blood by alternative routes to reduce TBA levels in serum and urine and improve the enterohepatic circulation of BAs.
CONCLUSION: GE attenuated ANIT-induced hepatotoxicity and cholestasis in rats by upregulating Cyp8b1 expression to inhibit BA synthesis in the liver, while also promoting BA excretion via the intestinal-fecal route, and improving enterohepatic circulation of BAs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 2023 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:319 |
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| Enthalten in: |
Journal of ethnopharmacology - 319(2023), Pt 1 vom: 30. Jan., Seite 117083 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Qin, Shasha [VerfasserIn] |
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| Links: |
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| Themen: |
1-Naphthylisothiocyanate |
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| Anmerkungen: |
Date Completed 27.11.2023 Date Revised 27.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jep.2023.117083 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM361328664 |
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| 245 | 1 | 0 | |a Gardenia extract protects against intrahepatic cholestasis by regulating bile acid enterohepatic circulation |
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| 500 | |a Date Revised 27.11.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023. Published by Elsevier B.V. | ||
| 520 | |a ETHNOPHARMACOLOGICAL RELEVANCE: Cholestasis is the main manifestation of cholestatic liver disease, which has a risk of progression to end-stage liver disease. Gardeniae Fructus is the dried fruit of Gardeniae jasminoides Ellis, a plant of the Rubiaceae family. Gardeniae Fructus has shown therapeutic potential in cholestasis-related liver diseases and it is generally believed that Gardeniae Fructus ameliorates cholestasis, which could be related to its influence on bile acids (BAs) metabolism. However, the specific targets of Gardeniae Fructus and its impact on enterohepatic circulation of BAs have not yet been fully elucidated | ||
| 520 | |a AIM OF THE STUDY: To systematically elucidate the mechanism by which Gardenia extract (GE, total iridoids in Gardeniae Fructus, which contains the predominant and characteristic phytoconstituents of Gardeniae Fructus) ameliorates alpha-naphthylisothiocyanate (ANIT)-induced cholestatic liver injury | ||
| 520 | |a MATERIALS AND METHODS: Sprague-Dawley rats were orally administered water, obeticholic acid (OCA, 2 mg/kg), or GE (21 and 42 mg/kg) once daily for five days. On the third day, the model was established by administration of a single dose of ANIT (40 mg/kg) by oral gavage. Biochemical and pathological analyses, BA metabolomics, transcriptomics, and qRT-PCR were performed | ||
| 520 | |a RESULTS: The profile of BAs in serum and liver confirmed that GE attenuated ANIT-induced acute cholestasis by affecting BA metabolism in a dose-dependent manner. Liver transcriptomic analysis indicated that GE mainly influenced the primary bile acid (PBA) biosynthesis and bile secretion pathways. GE mainly affected PBA biosynthesis in liver by upregulating Cyp8b1 gene expression, thereby significantly reducing the level of total bile acids (TBA). GE mainly promoted PBA excretion from liver into duodenum by upregulating Fxr and Oatp1 gene expression, thereby increasing the excretion of PBA in feces, and inhibiting PBA in liver entering the blood by alternative routes to reduce TBA levels in serum and urine and improve the enterohepatic circulation of BAs | ||
| 520 | |a CONCLUSION: GE attenuated ANIT-induced hepatotoxicity and cholestasis in rats by upregulating Cyp8b1 expression to inhibit BA synthesis in the liver, while also promoting BA excretion via the intestinal-fecal route, and improving enterohepatic circulation of BAs | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bile acids | |
| 650 | 4 | |a Biomarkers | |
| 650 | 4 | |a Cholestasis | |
| 650 | 4 | |a Gardeniae fructus | |
| 650 | 4 | |a Primary bile acid biosynthesis | |
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| 650 | 7 | |a 1-Naphthylisothiocyanate |2 NLM | |
| 650 | 7 | |a 551-06-4 |2 NLM | |
| 700 | 1 | |a Tian, Jingzhuo |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Lianmei |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Jinyu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Suyan |e verfasserin |4 aut | |
| 700 | 1 | |a Meng, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Fang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Chenyue |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Jiayin |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yushi |e verfasserin |4 aut | |
| 700 | 1 | |a Yi, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chunying |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Meiting |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Aihua |e verfasserin |4 aut | |
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