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Bidault-Jourdainne V, Merlen G, Glénisson M, Doignon I, Garcin I, Péan N, Boisgard R, Ursic-Bedoya J, Serino M, Ullmer C, Humbert L, Abdelrafee A, Golse N, Vibert E, Duclos-Vallée JC, Rainteau D, Tordjmann T. TGR5 controls bile acid composition and gallbladder function to protect the liver from bile acid overload. JHEP Rep 2020; 3:100214. [PMID: 33604531 PMCID: PMC7872982 DOI: 10.1016/j.jhepr.2020.100214] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 12/13/2022] Open
Abstract
Background & Aims As the composition of the bile acid (BA) pool has a major impact on liver pathophysiology, we studied its regulation by the BA receptor Takeda G protein coupled receptor (TGR5), which promotes hepatoprotection against BA overload. Methods Wild-type, total and hepatocyte-specific TGR5-knockout, and TGR5-overexpressing mice were used in: partial (66%) and 89% extended hepatectomies (EHs) upon normal, ursodeoxycholic acid (UDCA)- or cholestyramine (CT)-enriched diet, bile duct ligation (BDL), cholic acid (CA)-enriched diet, and TGR5 agonist (RO) treatments. We thereby studied the impact of TGR5 on: BA composition, liver injury, regeneration and survival. We also performed analyses on the gut microbiota (GM) and gallbladder (GB). Liver BA composition was analysed in patients undergoing major hepatectomy. Results The TGR5-KO hyperhydrophobic BA composition was not directly related to altered BA synthesis, nor to TGR5-KO GM dysbiosis, as supported by hepatocyte-specific KO mice and co-housing experiments, respectively. The TGR5-dependent control of GB dilatation was crucial for BA composition, as determined by experiments including RO treatment and/or cholecystectomy. The poor TGR5-KO post-EH survival rate, related to exacerbated peribiliary necrosis and BA overload, was improved by shifting BAs toward a less toxic composition (CT treatment). After either BDL or a CA-enriched diet with or without cholecystectomy, we found that GB dilatation had strong TGR5-dependent hepatoprotective properties. In patients, a more hydrophobic liver BA composition was correlated with an unfavourable outcome after hepatectomy. Conclusions BA composition is crucial for hepatoprotection in mice and humans. We indicate TGR5 as a key regulator of BA profile and thereby as a potential hepatoprotective target under BA overload conditions. Lay summary Through multiple in vivo experimental approaches in mice, together with a patient study, this work brings some new light on the relationships between biliary homeostasis, gallbladder function, and liver protection. We showed that hepatic bile acid composition is crucial for optimal liver repair, not only in mice, but also in human patients undergoing major hepatectomy. Reducing BA hydrophobicity improves outcomes after major hepatectomy in mice. The BA receptor TGR5 controls BA pool composition, which is crucial for liver repair. TGR5 targets the gallbladder to induce a hepatoprotective effect. In patients, a more hydrophobic BA pool is associated with liver injury after hepatectomy.
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Key Words
- ALP, alkaline phosphatase
- ALT, alanine aminotransferase
- BA, bile acid
- BDL, bile duct ligation
- Bile acids
- CA, cholic acid
- CC, cholecystectomy
- CT, cholestyramine
- CYP, cytochrome P450
- EH, extended hepatectomy
- GB, gallbladder
- GM, gut microbiota
- GPBAR1
- GPBAR1, G protein-coupled bile acid receptor 1
- Gallbladder
- HI, hydrophobicity index
- Hepatoprotection
- KO, knockout
- ND, normal diet
- OA, oleanolic acid
- PH, partial hepatectomy
- TBA, total BA
- TGR5
- TGR5, Takeda G protein coupled receptor
- UDCA, ursodeoxycholic acid
- WT, wild-type
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Affiliation(s)
| | - Grégory Merlen
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
| | - Mathilde Glénisson
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
| | - Isabelle Doignon
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
| | - Isabelle Garcin
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
| | - Noémie Péan
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
| | - Raphael Boisgard
- Plateforme d'Imagerie du Petit Animal, SHFJ, 91405, Orsay, France
| | - José Ursic-Bedoya
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
| | - Matteo Serino
- IRSD, Université de Toulouse, INSERM, INRA, ENVT, UPS, U1220, CHU Purpan, CS60039, 31024, Toulouse, France
| | | | - Lydie Humbert
- Sorbonne Université, Centre de Recherche Saint Antoine, CRSA, INSERM U 1057, 75571, Paris Cedex 12, France
| | - Ahmed Abdelrafee
- Centre Hépato-Biliaire, Hôpital Paul Brousse, Université Paris-Saclay, 94800, Villejuif, France
| | - Nicolas Golse
- Centre Hépato-Biliaire, Hôpital Paul Brousse, Université Paris-Saclay, 94800, Villejuif, France
| | - Eric Vibert
- Centre Hépato-Biliaire, Hôpital Paul Brousse, Université Paris-Saclay, 94800, Villejuif, France
| | | | - Dominique Rainteau
- Sorbonne Université, Centre de Recherche Saint Antoine, CRSA, INSERM U 1057, 75571, Paris Cedex 12, France
| | - Thierry Tordjmann
- Université Paris Saclay, Faculté des Sciences d'Orsay, INSERM U.1193, bât. 443, 91405, Orsay, France
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Wang P, Jia J, Zhang D. Purinergic signalling in liver diseases: Pathological functions and therapeutic opportunities. JHEP Rep 2020; 2:100165. [PMID: 33103092 PMCID: PMC7575885 DOI: 10.1016/j.jhepr.2020.100165] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/24/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022] Open
Abstract
Extracellular nucleotides, including ATP, are essential regulators of liver function and serve as danger signals that trigger inflammation upon injury. Ectonucleotidases, which are expressed by liver-resident cells and recruited immune cells sequentially hydrolyse nucleotides to adenosine. The nucleotide/nucleoside balance orchestrates liver homeostasis, tissue repair, and functional restoration by regulating the crosstalk between liver-resident cells and recruited immune cells. In this review, we discuss our current knowledge on the role of purinergic signals in liver homeostasis, restriction of inflammation, stimulation of liver regeneration, modulation of fibrogenesis, and regulation of carcinogenesis. Moreover, we discuss potential targeted therapeutic strategies for liver diseases based on purinergic signals involving blockade of nucleotide receptors, enhancement of ectonucleoside triphosphate diphosphohydrolase activity, and activation of adenosine receptors.
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Key Words
- A1, adenosine receptor A1
- A2A, adenosine receptor A2A
- A2B, adenosine receptor A2B
- A3, adenosine receptor A3
- AIH, autoimmune hepatitis
- ALT, alanine aminotransferase
- APAP, acetaminophen
- APCP, α,β-methylene ADP
- Adenosine receptors
- BDL, bile duct ligation
- CCl4, carbon tetrachloride
- CD73, ecto-5ʹ-nucleotidase
- ConA, concanavalin A
- DCs, dendritic cells
- DMN, dimethylnitrosamine
- Ecto-5ʹ-nucleotidase
- Ectonucleoside triphosphate diphosphohydrolases 1
- HCC, hepatocellular carcinoma
- HFD, high-fat diet
- HGF, hepatocyte growth factor
- HSCs, hepatic stellate cells
- IFN, interferon
- IL-, interleukin-
- IPC, ischaemic preconditioning
- IR, ischaemia-reperfusion
- Liver
- MAPK, mitogen-activating protein kinase
- MCDD, methionine- and choline-deficient diet
- MHC, major histocompatibility complex
- NAFLD, non-alcoholic fatty liver disease
- NK, natural killer
- NKT, natural killer T
- NTPDases, ectonucleoside triphosphate diphosphohydrolases
- Nucleotide receptors
- P1, purinergic type 1
- P2, purinergic type 2
- PBC, primary biliary cholangitis
- PH, partial hepatectomy
- PKA, protein kinase A
- PPADS, pyridoxal-phosphate-6-azophenyl-2′,4′-disulphonate
- Purinergic signals
- ROS, reactive oxygen species
- TAA, thioacetamide
- TNF, tumour necrosis factor
- Tregs, regulatory T cells
- VEGF, vascular endothelial growth factor
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Affiliation(s)
- Ping Wang
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Jidong Jia
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Dong Zhang
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
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Abu Rmilah AA, Zhou W, Nyberg SL. Hormonal Contribution to Liver Regeneration. Mayo Clin Proc Innov Qual Outcomes 2020; 4:315-338. [PMID: 32542223 PMCID: PMC7283948 DOI: 10.1016/j.mayocpiqo.2020.02.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 02/01/2020] [Accepted: 02/07/2020] [Indexed: 02/07/2023] Open
Abstract
An understanding of the molecular basis of liver regeneration will open new horizons for the development of novel therapies for chronic liver failure. Such therapies would solve the drawbacks associated with liver transplant, including the shortage of donor organs, long waitlist time, high medical costs, and lifelong use of immunosuppressive agents. Regeneration after partial hepatectomy has been studied in animal models, particularly fumarylacetoacetate hydrolase-deficient (FAH -/-) mice and pigs. The process of regeneration is distinctive, complex, and well coordinated, and it depends on the interplay among several signaling pathways (eg, nuclear factor κβ, Notch, Hippo), cytokines (eg, tumor necrosis factor α, interleukin 6), and growth factors (eg, hepatocyte growth factor, epidermal growth factor, vascular endothelial growth factor), and other components. Furthermore, endocrinal hormones (eg, norepinephrine, growth hormone, insulin, thyroid hormones) also can influence the aforementioned pathways and factors. We believe that these endocrinal hormones are important hepatic mitogens that strongly induce and accelerate hepatocyte proliferation (regeneration) by directly and indirectly triggering the activity of the involved signaling pathways, cytokines, growth factors, and transcription factors. The subsequent induction of cyclins and associated cyclin-dependent kinase complexes allow hepatocytes to enter the cell cycle. In this review article, we comprehensively summarize the current knowledge regarding the roles and mechanisms of these hormones in liver regeneration. Articles used for this review were identified by searching MEDLINE and EMBASE databases from inception through June 1, 2019.
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Key Words
- CDK, cyclin-dependent kinase
- EGF, epidermal growth factor
- EGFR, EGF receptor
- ERK, extracellular signal-regulated kinase
- FAH, fumarylacetoacetate hydrolase
- GH, growth hormone
- Ghr-/-, growth hormone receptor gene knockout
- HGF, hepatocyte growth factor
- HNF, hepatocyte nuclear factor
- HPC, hepatic progenitor cell
- IGF, insulinlike growth factor
- IL, interleukin
- IR, insulin receptor
- InsP3, inositol 1,4,5-trisphosphate
- JNK, JUN N-terminal kinase
- LDLT, living donor liver transplant
- LRP, low-density lipoprotein-related protein
- MAPK, mitogen-activated protein kinase
- NF-κβ, nuclear factor κβ
- NOS, nitric oxide synthase
- NTBC, 2-nitro-4-trifluoro-methyl-benzoyl-1,3-cyclohexanedione
- PCNA, proliferating cell nuclear antigen
- PCR, polymerase chain reaction
- PH, partial hepatectomy
- PI3K, phosphatidylinositol-4,5-bisphosphate 3-kinase
- PKB, protein kinase B
- PTU, 6-n-propyl-2-thiouracil
- ROS, reactive oxygen species
- STAT, signal transducer and activator of transcription
- T3, triiodothyronine
- TGF, transforming growth factor
- TNF, tumor necrosis factor
- TR, thyroid receptor
- hESC, human embryonic stem cell
- hiPSC, human induced pluripotent stem cells
- mRNA, messenger RNA
- mTOR, mammalian target of rapamycin
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Affiliation(s)
| | - Wei Zhou
- Division of Transplantation Surgery, Mayo Clinic, Rochester, MN.,First Affiliated Hospital of China, Medical University, Department of Hepatobiliary Surgery, Shenyang, China
| | - Scott L Nyberg
- Division of Transplantation Surgery, Mayo Clinic, Rochester, MN
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D’Souza AM, Jiang Y, Cast A, Valanejad L, Wright M, Lewis K, Kumbaji M, Shah S, Smithrud D, Karns R, Shin S, Timchenko N. Gankyrin Promotes Tumor-Suppressor Protein Degradation to Drive Hepatocyte Proliferation. Cell Mol Gastroenterol Hepatol 2018; 6:239-255. [PMID: 30109252 PMCID: PMC6083020 DOI: 10.1016/j.jcmgh.2018.05.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 05/18/2018] [Indexed: 12/19/2022]
Abstract
Background & Aims Uncontrolled liver proliferation is a key characteristic of liver cancer; however, the mechanisms by which this occurs are not well understood. Elucidation of these mechanisms is necessary for the development of better therapy. The oncogene Gankyrin (Gank) is overexpressed in both hepatocellular carcinoma and hepatoblastoma. The aim of this work was to determine the role of Gank in liver proliferation and elucidate the mechanism by which Gank promotes liver proliferation. Methods We generated Gank liver-specific knock-out (GLKO) mice and examined liver biology and proliferation after surgical resection and liver injury. Results Global profiling of gene expression in GLKO mice showed significant changes in pathways involved in liver cancer and proliferation. Investigations of liver proliferation after partial hepatectomy and CCl4 treatment showed that GLKO mice have dramatically inhibited proliferation of hepatocytes at early stages after surgery and injury. In control LoxP mice, liver proliferation was characterized by Gank-mediated reduction of tumor-suppressor proteins (TSPs). The failure of GLKO hepatocytes to proliferate is associated with a lack of down-regulation of these proteins. Surprisingly, we found that hepatic progenitor cells of GLKO mice start proliferation at later stages and restore the original size of the liver at 14 days after partial hepatectomy. To examine the proliferative activities of Gank in cancer cells, we used a small molecule, cjoc42, to inhibit interactions of Gank with the 26S proteasome. These studies showed that Gank triggers degradation of TSPs and that cjoc42-mediated inhibition of Gank increases levels of TSPs and inhibits proliferation of cancer cells. Conclusions These studies show that Gank promotes hepatocyte proliferation by elimination of TSPs. This work provides background for the development of Gank-mediated therapy for the treatment of liver cancer. RNA sequencing data can be accessed in the NCBI Gene Expression Omnibus: GSE104395.
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Key Words
- 2D, 2-dimensional
- BrdU, bromodeoxyuridine
- C/EBP, CCAAT/enhancer binding protein
- CUGBP1, CUG triplet repeat binding protein 1
- Cancer
- Co-IP, co-immunoprecipitation
- DEN, diethylnitrosamine
- FXR, farnesoid X receptor
- GLKO, Gankyrin liver-specific knock-out
- Gank, Gankyrin
- HCC, hepatocellular carcinoma
- HNF4α, hepatocyte nuclear factor 4α
- LKO, liver-specific knock-out
- Liver
- Opn, osteopontin
- PCNA, proliferating cell nuclear antigen
- PH, partial hepatectomy
- Progenitor Cells
- Proliferation
- RT-PCR, reverse-transcriptase polymerase chain reaction
- Rb, retinoblastoma
- TSP, tumor-suppressor protein
- Tumor-Suppressor Proteins
- UPS, ubiquitin proteasome system
- WT, wild-type
- cDNA, complementary DNA
- mRNA, messenger RNA
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Affiliation(s)
- Amber M. D’Souza
- Department of Oncology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Yanjun Jiang
- Huffington Center on Aging, Baylor College of Medicine, Houston, Texas
| | - Ashley Cast
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Leila Valanejad
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Mary Wright
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Kyle Lewis
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Meenasri Kumbaji
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Sheeniza Shah
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio
| | - David Smithrud
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio
| | - Rebekah Karns
- Department of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Soona Shin
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Nikolai Timchenko
- Department of Surgery, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
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Huang J, Schriefer AE, Yang W, Cliften PF, Rudnick DA. Identification of an epigenetic signature of early mouse liver regeneration that is disrupted by Zn-HDAC inhibition. Epigenetics 2015; 9:1521-31. [PMID: 25482284 DOI: 10.4161/15592294.2014.983371] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Liver regeneration has been well studied with hope of discovering strategies to improve liver disease outcomes. Nevertheless, the signals that initiate such regeneration remain incompletely defined, and translation of mechanism-based pro-regenerative interventions into new treatments for hepatic diseases has not yet been achieved. We previously reported the isoform-specific regulation and essential function of zinc-dependent histone deacetylases (Zn-HDACs) during mouse liver regeneration. Those data suggest that epigenetically regulated anti-proliferative genes are deacetylated and transcriptionally suppressed by Zn-HDAC activity or that pro-regenerative factors are acetylated and induced by such activity in response to partial hepatectomy (PH). To investigate these possibilities, we conducted genome-wide interrogation of the liver histone acetylome during early PH-induced liver regeneration in mice using acetyL-histone chromatin immunoprecipitation and next generation DNA sequencing. We also compared the findings of that study to those seen during the impaired regenerative response that occurs with Zn-HDAC inhibition. The results reveal an epigenetic signature of early liver regeneration that includes both hyperacetylation of pro-regenerative factors and deacetylation of anti-proliferative and pro-apoptotic genes. Our data also show that administration of an anti-regenerative regimen of the Zn-HDAC inhibitor suberoylanilide hydroxamic acid (SAHA) not only disrupts gene-specific pro-regenerative changes in liver histone deacetylation but also reverses PH-induced effects on histone hyperacetylation. Taken together, these studies offer new insight into and suggest novel hypotheses about the epigenetic mechanisms that regulate liver regeneration.
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Affiliation(s)
- Jiansheng Huang
- a Department of Pediatrics ; Washington University School of Medicine ; St. Louis , MO USA
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Li G, L. Guo G. Farnesoid X receptor, the bile acid sensing nuclear receptor, in liver regeneration. Acta Pharm Sin B 2015; 5:93-8. [PMID: 26579433 PMCID: PMC4629218 DOI: 10.1016/j.apsb.2015.01.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 01/02/2015] [Accepted: 01/05/2015] [Indexed: 01/19/2023] Open
Abstract
The liver is unique in regenerative potential, which could recover the lost mass and function after injury from ischemia and resection. The underlying molecular mechanisms of liver regeneration have been extensively studied in the past using the partial hepatectomy (PH) model in rodents, where 2/3 PH is carried out by removing two lobes. The whole process of liver regeneration is complicated, orchestrated event involving a network of connected interactions, which still remain fully elusive. Bile acids (BAs) are ligands of farnesoid X receptor (FXR), a nuclear receptor of ligand-activated transcription factor. FXR has been shown to be highly involved in liver regeneration. BAs and FXR not only interact with each other but also regulate various downstream targets independently during liver regeneration. Moreover, recent findings suggest that tissue-specific FXR also contributes to liver regeneration significantly. These novel findings suggest that FXR has much broader role than regulating BA, cholesterol, lipid and glucose metabolism. Therefore, these researches highlight FXR as an important pharmaceutical target for potential use of FXR ligands to regulate liver regeneration in clinic. This review focuses on the roles of BAs and FXR in liver regeneration and the current underlying molecular mechanisms which contribute to liver regeneration.
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Key Words
- ABC, ATP-binding cassette
- AMPK, AMP-activated protein kinase
- BA, bile acid
- Bile acids
- C/EBPβ, CCAAT-enhancer binding protein β
- CA, cholic acid
- CDCA, chenodeoxycholic acid
- CTX, cerebrotendinous xanthomatosis
- CYP7A1, cholesterol 7alpha-hydroxylase
- CYP8B1, sterol 12α-hydroxylase
- Cyp27-KO, sterol 27-hydroxylase–knockout
- DDAH-1, dimethylarginineaminohydrolase-1
- ERK1/2, extracellular signal-regulated kinase 1/2
- FGF-15, fibroblast growth factor 15
- FGFR4, FGF receptor 4
- FOXM1b, forkhead boxm1b
- FXR, farnesoid X receptor
- Farnesoid X receptor
- Fibroblast growth factor 15
- Fxr-KO, Fxr-knockout
- GPBAR1 or TGR5, G protein-coupled BA receptor 1
- HEX, hematopoietically expressed homeobox
- JNK, c-Jun N-terminal kinase
- KC, Kupffer cells
- KO, knockout
- Liver regeneration
- Liver-intestine croass talk
- MAPK, mitogen-activated protein kinase
- MRP3, multidrug resistance associated protein 3
- NASH, nonalcoholic steatohepatitis
- NF-κB, nuclear factor-κB
- PH, partial hepatectomy
- Rb, retinoblastoma
- SHP, small heterodimer partner
- STAT3, signal transducer and activator of transcription 3
- TH, thyroid hormone
- THR, TH receptor
- Transmembrane G protein coupled receptor 5
- WT, wild type
- cAMP, cyclic adenosine monophosphate
- hepFxr-KO, hepatocyte-specific Fxr knockout
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