1
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Wei H, Zhang Y, Gao M, Yang J, Wang S, Zhou X, Wei H, Xiao F. Loss of FAM172A gene prompts cell proliferation in liver regeneration. Mol Cell Biochem 2024:10.1007/s11010-024-05044-7. [PMID: 38896202 DOI: 10.1007/s11010-024-05044-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 05/27/2024] [Indexed: 06/21/2024]
Abstract
The present study was designed to explore the function of FAM172A in liver regeneration and HCC. Mice were sacrificed after 70% partial hepatectomy (PH). RNA sequencing was performed on primary hepatocytes of WT and FAM172A-/- mice. We used HepG2 cells to construct cell lines with stably knockdown and overexpression of FAM172A. The expression of FAM172A in liver tissues was investigated by immunohistochemical staining, and we also used public database to perform survival analysis and prognostic model in HCC. Compared with WT mice after PH, normalized liver weight/body weight (LW/BW) ratio and the proliferating cell nuclear antigen (PCNA) protein level of FAM172A-/- mice elevated. The DEGs were mainly enriched in inflammatory response, tumor necrosis factor production, and wound healing. FAM172A knockdown enhanced the NFκB-TNFα and pERK-YAP1-Cyclin D1 axis. FAM172A peptide inhibited proliferation of primary hepatocytes. Moreover, the low expression of FAM172A in human HCC tissues implies a lower likelihood of survival and a valid diagnostic marker for HCC. Loss of FAM172A gene promotes cell proliferation by pERK-YAP1-Cyclin D1 and pNFκB-TNFα pathways during liver regeneration after PH. FAM172A may be a favorable diagnosis marker of HCC.
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Affiliation(s)
- Herui Wei
- Department of Gastroenterology, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China
| | - Yifan Zhang
- Department of Gastroenterology, Peking University People's Hospital, Beijing, 100044, China
- Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, 100044, China
| | - Meixin Gao
- Department of Gastroenterology, Beijing Tongren Hospital, Capital Medical University, Beijing, 100176, China
| | - Junru Yang
- Department of Gastroenterology, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China
| | - Shiwei Wang
- Department of Gastroenterology, Peking University People's Hospital, Beijing, 100044, China
- Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, 100044, China
| | - Xingang Zhou
- Department of Pathology, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China
| | - Hongshan Wei
- Department of Gastroenterology, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China.
| | - Fan Xiao
- Beijing Key Laboratory of Emerging Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China.
- Beijing Institute of Infectious Diseases, Beijing, 100015, China.
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China.
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China.
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Wei Y, Hui VLZ, Chen Y, Han R, Han X, Guo Y. YAP/TAZ: Molecular pathway and disease therapy. MedComm (Beijing) 2023; 4:e340. [PMID: 37576865 PMCID: PMC10412783 DOI: 10.1002/mco2.340] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/27/2023] [Accepted: 07/04/2023] [Indexed: 08/15/2023] Open
Abstract
The Yes-associated protein and its transcriptional coactivator with PDZ-binding motif (YAP/TAZ) are two homologous transcriptional coactivators that lie at the center of a key regulatory network of Hippo, Wnt, GPCR, estrogen, mechanical, and metabolism signaling. YAP/TAZ influences the expressions of downstream genes and proteins as well as enzyme activity in metabolic cycles, cell proliferation, inflammatory factor expression, and the transdifferentiation of fibroblasts into myofibroblasts. YAP/TAZ can also be regulated through epigenetic regulation and posttranslational modifications. Consequently, the regulatory function of these mechanisms implicates YAP/TAZ in the pathogenesis of metabolism-related diseases, atherosclerosis, fibrosis, and the delicate equilibrium between cancer progression and organ regeneration. As such, there arises a pressing need for thorough investigation of YAP/TAZ in clinical settings. In this paper, we aim to elucidate the signaling pathways that regulate YAP/TAZ and explore the mechanisms of YAP/TAZ-induce diseases and their potential therapeutic interventions. Furthermore, we summarize the current clinical studies investigating treatments targeting YAP/TAZ. We also address the limitations of existing research on YAP/TAZ and propose future directions for research. In conclusion, this review aims to provide fresh insights into the signaling mediated by YAP/TAZ and identify potential therapeutic targets to present innovative solutions to overcome the challenges associated with YAP/TAZ.
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Affiliation(s)
- Yuzi Wei
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Victoria Lee Zhi Hui
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Yilin Chen
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Ruiying Han
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Xianglong Han
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Yongwen Guo
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsLanzhou Stomatological HospitalLanzhouGansuChina
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3
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Zhao Y, Wang H, He T, Ma B, Chen G, Tzeng C. Knockdown of Yap attenuates TAA-induced hepatic fibrosis by interaction with hedgehog signals. J Cell Commun Signal 2023:10.1007/s12079-023-00775-6. [PMID: 37338798 DOI: 10.1007/s12079-023-00775-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 06/05/2023] [Indexed: 06/21/2023] Open
Abstract
Liver fibrosis is an aberrant wound healing response to tissue injury characterized by excessive extracellular matrix deposition and loss of normal liver architecture. Hepatic stellate cells (HSCs) activation is regards to be the major process in liver fibrogenesis which is dynamic and reversible. Both Hippo signaling core factor Yap and Hedgehog (Hh) signaling promote HSCs transdifferentiation thereby regulating the repair process of liver injury. However, the molecular function of YAP and the regulation between Yap and Hh during fibrogenesis remain uncertain. In this study, the essential roles of Yap in liver fibrosis were investigated. Yap was detected to be increased in liver fibrotic tissue by the thioacetamide (TAA)-induced zebrafish embryonic and adult models. Inhibition of Yap by both embryonic morpholino interference and adult's inhibitor treatment was proved to alleviate TAA-induced liver lesions by and histology and gene expression examination. Transcriptomic analysis and gene expression detection showed that Yap and Hh signaling pathway have a cross talking upon TAA-induced liver fibrosis. In addition, TAA induction promoted the nuclear colocalization of YAP and Hh signaling factor GLI2α. This study demonstrates that Yap and Hh play synergistic protective roles in liver fibrotic response and provides new theoretical insight concerning the mechanisms of fibrosis progression.
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Affiliation(s)
- Ye Zhao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211800, China.
| | - Huiling Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211800, China
| | - Tianhua He
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211800, China
| | - Bo Ma
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211800, China
| | - Guoguang Chen
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211800, China
| | - Chimeng Tzeng
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, China.
- Translational Medicine Research Center-Key Laboratory for Cancer T-Cell Theragnostic and Clinical Translation, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian, China.
- Xiamen Chang Gung Hospital Medical Research Center, Xiamen, Fujian, China.
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Haduch A, Bromek E, Kuban W, Daniel WA. The Engagement of Cytochrome P450 Enzymes in Tryptophan Metabolism. Metabolites 2023; 13:metabo13050629. [PMID: 37233670 DOI: 10.3390/metabo13050629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/30/2023] [Accepted: 05/03/2023] [Indexed: 05/27/2023] Open
Abstract
Tryptophan is metabolized along three main metabolic pathways, namely the kynurenine, serotonin and indole pathways. The majority of tryptophan is transformed via the kynurenine pathway, catalyzed by tryptophan-2,3-dioxygenase or indoleamine-2,3-dioxygenase, leading to neuroprotective kynurenic acid or neurotoxic quinolinic acid. Serotonin synthesized by tryptophan hydroxylase, and aromatic L-amino acid decarboxylase enters the metabolic cycle: serotonin → N-acetylserotonin → melatonin → 5-methoxytryptamine→serotonin. Recent studies indicate that serotonin can also be synthesized by cytochrome P450 (CYP), via the CYP2D6-mediated 5-methoxytryptamine O-demethylation, while melatonin is catabolized by CYP1A2, CYP1A1 and CYP1B1 via aromatic 6-hydroxylation and by CYP2C19 and CYP1A2 via O-demethylation. In gut microbes, tryptophan is metabolized to indole and indole derivatives. Some of those metabolites act as activators or inhibitors of the aryl hydrocarbon receptor, thus regulating the expression of CYP1 family enzymes, xenobiotic metabolism and tumorigenesis. The indole formed in this way is further oxidized to indoxyl and indigoid pigments by CYP2A6, CYP2C19 and CYP2E1. The products of gut-microbial tryptophan metabolism can also inhibit the steroid-hormone-synthesizing CYP11A1. In plants, CYP79B2 and CYP79B3 were found to catalyze N-hydroxylation of tryptophan to form indole-3-acetaldoxime while CYP83B1 was reported to form indole-3-acetaldoxime N-oxide in the biosynthetic pathway of indole glucosinolates, considered to be defense compounds and intermediates in the biosynthesis of phytohormones. Thus, cytochrome P450 is engaged in the metabolism of tryptophan and its indole derivatives in humans, animals, plants and microbes, producing biologically active metabolites which exert positive or negative actions on living organisms. Some tryptophan-derived metabolites may influence cytochrome P450 expression, affecting cellular homeostasis and xenobiotic metabolism.
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Affiliation(s)
- Anna Haduch
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | - Ewa Bromek
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | - Wojciech Kuban
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | - Władysława Anna Daniel
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
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Starlinger P, Brunnthaler L, Watkins R, Pereyra D, Stift J, Finsterbusch M, Santol J, Gruenberger T, Assinger A, Smoot R. Tyrosine phosphorylation of YAP-1 in biliary epithelial cells mediates posthepatectomy liver regeneration and is affected by serotonin. J Cell Biochem 2023; 124:687-700. [PMID: 36946436 PMCID: PMC10200759 DOI: 10.1002/jcb.30398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/26/2023] [Accepted: 03/01/2023] [Indexed: 03/23/2023]
Abstract
Experimental data suggested activation of yes-associated protein (YAP-1) as a critical regulator of liver regeneration (LR). Serotonin (5-HT) promotes LR in rodent models and has been proposed to act via YAP-1. How 5-HT affects LR is incompletely understood. A possible mechanism how 5-HT affects human LR was explored. Sixty-one patients were included. Tissue samples prior and 2 h after induction of LR were collected. Circulating levels of 5-HT and osteopontin (OPN) were assessed. YAP-1, its phosphorylation states, cytokeratin 19 (CK-19) and OPN were assessed using immunofluorescence. A mouse model of biliary epithelial cells (BECs) specific deletion of YAP/TAZ was developed. YAP-1 increased as early as 2 h after induction of LR (p = 0.025) predominantly in BECs. BEC specific deletion of YAP/TAZ reduced LR after 70% partial hepatectomy in mice (Ki67%, p < 0.001). SSRI treatment, depleting intra-platelet 5-HT, abolished YAP-1 and OPN induction upon LR. Portal vein 5-HT levels correlated with intrahepatic YAP-1 expression upon LR (R = 0.703, p = 0.035). OPN colocalized with YAP-1 in BECs and its circulating levels increased in the liver vein 2 h after induction of LR (p = 0.017). In the context of LR tyrosine-phosphorylated YAP-1 significantly increased (p = 0.042). Stimulating BECs with 5-HT resulted in increased YAP-1 activation via tyrosine-phosphorylation and subsequently increased OPN expression. BECs YAP-1 appears to be critical for LR in mice and humans. Our evidence suggests that 5-HT, at least in part, exerts its pro-regenerative effects via YAP-1 tyrosine-phosphorylation in BECs and subsequent OPN-dependent paracrine immunomodulation.
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Affiliation(s)
- Patrick Starlinger
- Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, Mayo Clinic, Rochester, MN, USA
- Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria
| | - Laura Brunnthaler
- Center of Physiology and Pharmacology, Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Ryan Watkins
- Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, Mayo Clinic, Rochester, MN, USA
| | - David Pereyra
- Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria
| | - Judith Stift
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090, Vienna, Austria
| | - Michaela Finsterbusch
- Center of Physiology and Pharmacology, Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Jonas Santol
- Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria
| | - Thomas Gruenberger
- Department of Surgery, HPB Center, Viennese Health Network, Clinic Favoriten and Sigmund Freud Private University, Vienna, Austria
| | - Alice Assinger
- Center of Physiology and Pharmacology, Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Rory Smoot
- Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, Mayo Clinic, Rochester, MN, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
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Chen Q, Yang Q, Pan C, Ding R, Wu T, Cao J, Wu H, Zhao X, Li B, Cheng X. Quiescence preconditioned nucleus pulposus stem cells alleviate intervertebral disc degeneration by enhancing cell survival via adaptive metabolism pattern in rats. Front Bioeng Biotechnol 2023; 11:1073238. [PMID: 36845177 PMCID: PMC9950514 DOI: 10.3389/fbioe.2023.1073238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 02/03/2023] [Indexed: 02/12/2023] Open
Abstract
Quiescence is a cellular state of reversible growth arrest required to maintain homeostasis and self-renewal. Entering quiescence allows the cells to remain in the non-dividing stage for an extended period of time and enact mechanisms to protect themselves from damage. Due to the extreme nutrient-deficient microenvironment in the intervertebral disc (IVD), the therapeutic effect of cell transplantation is limited. In this study, nucleus pulposus stem cells (NPSCs) were preconditioned into quiescence through serum starvation in vitro and transplanted to repair intervertebral disc degeneration (IDD). In vitro, we investigated apoptosis and survival of quiescent NPSCs in a glucose-free medium without fetal bovine serum. Non-preconditioned proliferating NPSCs served as controls. In vivo, the cells were transplanted into a rat model of IDD induced by acupuncture, and the intervertebral disc height, histological changes, and extracellular matrix synthesis were observed. Finally, to elucidate the mechanisms underlying the quiescent state of NPSCs, the metabolic patterns of the cells were investigated through metabolomics. The results revealed that quiescent NPSCs decreased apoptosis and increased cell survival when compared to proliferating NPSCs both in vitro and in vivo, as well as maintained the disc height and histological structure significantly better than that by proliferating NPSCs. Furthermore, quiescent NPSCs have generally downregulated metabolism and reduced energy requirements in response to a switch to a nutrient-deficient environment. These findings support that quiescence preconditioning maintains the proliferation and biological function potential of NPSCs, increases cell survival under the extreme environment of IVD, and further alleviates IDD via adaptive metabolic patterns.
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Affiliation(s)
- Qi Chen
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China,Institute of Minimally Invasive Orthopedics, Nanchang University, Nanchang, Jiangxi, China
| | - Qu Yang
- Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Chongzhi Pan
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China
| | - Rui Ding
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China,Institute of Minimally Invasive Orthopedics, Nanchang University, Nanchang, Jiangxi, China
| | - Tianlong Wu
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China
| | - Jian Cao
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China
| | - Hui Wu
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China
| | - Xiaokun Zhao
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Institute of Minimally Invasive Orthopedics, Nanchang University, Nanchang, Jiangxi, China
| | - Bin Li
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China,*Correspondence: Bin Li, ; Xigao Cheng,
| | - Xigao Cheng
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,Second Clinical Medical College, Nanchang University, Nanchang, Jiangxi, China,Institute of Orthopedics of Jiangxi Province, Nanchang, Jiangxi, China,Institute of Minimally Invasive Orthopedics, Nanchang University, Nanchang, Jiangxi, China,*Correspondence: Bin Li, ; Xigao Cheng,
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7
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Li ZW, Wang L. The role of liver sinusoidal endothelial cells in liver remodeling after injury. Hepatobiliary Pancreat Dis Int 2023; 22:22-27. [PMID: 36182636 DOI: 10.1016/j.hbpd.2022.09.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/15/2022] [Indexed: 02/07/2023]
Abstract
Liver transplantation is the optimal treatment for patients with end-stage liver disease, metabolic liver diseases, and hepatic malignancies that are not amenable to resection. Hepatic ischemia-reperfusion injury (IRI) is the main problem in liver transplantation and liver resection, leading to parenchymal cell injury and organ dysfunction. The damage of liver sinusoidal endothelial cells (LSECs) is a critical event in IRI. LSECs work as an important regulating factor of liver regeneration after partial hepatectomy. This review primarily describes the mechanisms of LSECs injury in IRI and explores the roles of LSECs in liver regeneration, and briefly introduces the protective strategies targeting LSECs damaged in IRI.
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Affiliation(s)
- Zhi-Wen Li
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, China
| | - Lin Wang
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, China.
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8
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Pibiri M, Simbula G. Role of the Hippo pathway in liver regeneration and repair: recent advances. Inflamm Regen 2022; 42:59. [PMID: 36471376 PMCID: PMC9720992 DOI: 10.1186/s41232-022-00235-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/09/2022] [Indexed: 12/12/2022] Open
Abstract
Although the signaling pathways involved in normal liver regeneration have been well characterized, less has been done for livers affected by chronic tissue damage. These "abnormal livers" have an impaired regenerative response that leads to liver repair and fibrosis. The tumor suppressor Hippo pathway plays a key role in liver regeneration and repair. On this basis, this review discusses recent studies focusing on the involvement of the Hippo signaling pathway during "normal healthy liver regeneration" (i.e., in a normal liver after 2/3 partial hepatectomy) and "abnormal liver regeneration" (i.e., in a liver damaged by chronic disease). This could be an important question to address with respect to new therapies aimed at improving impaired liver regenerative responses. The studies reported here have shown that activation of the Hippo coactivators YAP/TAZ during normal liver regeneration promotes the formation of a new bile duct network through direct BEC proliferation or/and hepatocyte dedifferentiation to HPCs which can trans-differentiate to BECs. Moreover, YAP/TAZ signaling interaction with other signaling pathways mediates the recruitment and activation of Kupffer cells, which release mitogenic cytokines for parenchymal and/or non-parenchymal cells and engage in phagocytosis of cellular debris. In addition, YAP-mediated activation of stellate cells (HSCs) promotes liver regeneration through the synthesis of extracellular matrix. However, in chronically diseased livers, where the predetermined threshold for proper liver regeneration is exceeded, YAP/TAZ activation results in a reparative process characterized by liver fibrosis. In this condition, YAP/TAZ activation in parenchymal and non-parenchymal cells results in (i) differentiation of quiescent HSCs into myofibroblastic HSCs; (ii) recruitment of macrophages releasing inflammatory cytokines; (iii) polarization of macrophages toward the M2 phenotype. Since accumulation of damaged hepatocytes in chronic liver injury represent a significant risk factor for the development of hepatocarcinoma, this review also discussed the involvement of the Hippo pathway in the clearance of damaged cells.
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Affiliation(s)
- Monica Pibiri
- grid.7763.50000 0004 1755 3242Department of Biomedical Sciences, Oncology and Molecular Pathology Unit, University of Cagliari, Cittadella Universitaria di Monserrato, S.P. Monserrato-Sestu km 0.700, Blocco A. 09042 Monserrato, Cagliari, Italy
| | - Gabriella Simbula
- grid.7763.50000 0004 1755 3242Department of Biomedical Sciences, Oncology and Molecular Pathology Unit, University of Cagliari, Cittadella Universitaria di Monserrato, S.P. Monserrato-Sestu km 0.700, Blocco A. 09042 Monserrato, Cagliari, Italy
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9
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Deng F, Wu Z, Zou F, Wang S, Wang X. The Hippo–YAP/TAZ Signaling Pathway in Intestinal Self-Renewal and Regeneration After Injury. Front Cell Dev Biol 2022; 10:894737. [PMID: 35927987 PMCID: PMC9343807 DOI: 10.3389/fcell.2022.894737] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 05/23/2022] [Indexed: 11/23/2022] Open
Abstract
The Hippo pathway and its downstream effectors, the transcriptional coactivators Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ), control stem cell fate and cell proliferation and differentiation and are essential for tissue self-renewal and regeneration. YAP/TAZ are the core components of the Hippo pathway and they coregulate transcription when localized in the nucleus. The intestinal epithelium undergoes well-regulated self-renewal and regeneration programs to maintain the structural and functional integrity of the epithelial barrier. This prevents luminal pathogen attack, and facilitates daily nutrient absorption and immune balance. Inflammatory bowel disease (IBD) is characterized by chronic relapsing inflammation of the entire digestive tract. Impaired mucosal healing is a prominent biological feature of IBD. Intestinal self-renewal is primarily dependent on functional intestinal stem cells (ISCs), especially Lgr5+ crypt base columnar (CBC) cells and transient-amplifying (TA) cells in the crypt base. However, intestinal wound healing is a complicated process that is often associated with epithelial cells, and mesenchymal and immune cells in the mucosal microenvironment. Upon intestinal injury, nonproliferative cells rapidly migrate towards the wound bed to reseal the damaged epithelium, which is followed by cell proliferation and differentiation. YAP is generally localized in the nucleus of Lgr5+ CBC cells, where it transcriptionally regulates the expression of the ISC marker Lgr5 and plays an important role in intestinal self-renewal. YAP/TAZ are the primary mechanical sensors of the cellular microenvironment. Their functions include expanding progenitor and stem cell populations, reprogramming differentiated cells into a primitive state, and mediating the regenerative function of reserve stem cells. Thus, YAP/TAZ play extremely crucial roles in epithelial repair after damage. This review provides an overview of the Hippo–YAP/TAZ signaling pathway and the processes of intestinal self-renewal and regeneration. In particular, we summarize the roles of YAP/TAZ in the phases of intestinal self-renewal and regeneration to suggest a potential strategy for IBD treatment.
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Affiliation(s)
- Feihong Deng
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Center of Digestive Disease, Central South University, Changsha, China
- *Correspondence: Feihong Deng, ; Xuehong Wang,
| | - Zengrong Wu
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Center of Digestive Disease, Central South University, Changsha, China
| | - Fei Zou
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Center of Digestive Disease, Central South University, Changsha, China
| | - Su Wang
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Center of Digestive Disease, Central South University, Changsha, China
| | - Xuehong Wang
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Center of Digestive Disease, Central South University, Changsha, China
- *Correspondence: Feihong Deng, ; Xuehong Wang,
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10
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Moon JH, Oh CM, Kim H. Serotonin in the regulation of systemic energy metabolism. J Diabetes Investig 2022; 13:1639-1645. [PMID: 35762288 PMCID: PMC9533050 DOI: 10.1111/jdi.13879] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/15/2022] [Accepted: 06/22/2022] [Indexed: 11/29/2022] Open
Abstract
Serotonin is a well‐known neurotransmitter that is synthesized from the amino acid, tryptophan. To date, more than 14 different serotonin receptors have been discovered; they exist universally in our body and enable diverse biological functions in different organs. Central serotonin regulates mood and behavior, and impacts the systemic energy balance by decreasing appetite. A number of drugs that modulate central serotonin function (e.g., fenfluramine, sibutramine and lorcaserin) were approved and used as anti‐obesity drugs, but then later withdrawn due to adverse cardiovascular and carcinogenic effects. Over the past decade, the role of peripheral serotonin in regulating systemic energy metabolism has been extensively explored using tissue‐specific knockout animal models. By inhibiting the action of serotonin in liver and adipose tissues, hepatic steatosis was improved and lipid accumulation was mitigated, respectively. Recent findings show that modulation of the serotonergic system is a promising therapeutic target for metabolic diseases. This review summarizes the role of serotonin in regulating energy metabolism in different organs, and discusses the potential of serotonin modulation for treating metabolic diseases.
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Affiliation(s)
- Joon Ho Moon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Chang-Myung Oh
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, 61005, Korea
| | - Hail Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Korea
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11
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Wen X, Jiao L, Tan H. MAPK/ERK Pathway as a Central Regulator in Vertebrate Organ Regeneration. Int J Mol Sci 2022; 23:ijms23031464. [PMID: 35163418 PMCID: PMC8835994 DOI: 10.3390/ijms23031464] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 02/06/2023] Open
Abstract
Damage to organs by trauma, infection, diseases, congenital defects, aging, and other injuries causes organ malfunction and is life-threatening under serious conditions. Some of the lower order vertebrates such as zebrafish, salamanders, and chicks possess superior organ regenerative capacity over mammals. The extracellular signal-regulated kinases 1 and 2 (ERK1/2), as key members of the mitogen-activated protein kinase (MAPK) family, are serine/threonine protein kinases that are phylogenetically conserved among vertebrate taxa. MAPK/ERK signaling is an irreplaceable player participating in diverse biological activities through phosphorylating a broad variety of substrates in the cytoplasm as well as inside the nucleus. Current evidence supports a central role of the MAPK/ERK pathway during organ regeneration processes. MAPK/ERK signaling is rapidly excited in response to injury stimuli and coordinates essential pro-regenerative cellular events including cell survival, cell fate turnover, migration, proliferation, growth, and transcriptional and translational activities. In this literature review, we recapitulated the multifaceted MAPK/ERK signaling regulations, its dynamic spatio-temporal activities, and the profound roles during multiple organ regeneration, including appendages, heart, liver, eye, and peripheral/central nervous system, illuminating the possibility of MAPK/ERK signaling as a critical mechanism underlying the vastly differential regenerative capacities among vertebrate species, as well as its potential applications in tissue engineering and regenerative medicine.
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12
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Hadjittofi C, Feretis M, Martin J, Harper S, Huguet E. Liver regeneration biology: Implications for liver tumour therapies. World J Clin Oncol 2021; 12:1101-1156. [PMID: 35070734 PMCID: PMC8716989 DOI: 10.5306/wjco.v12.i12.1101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/22/2021] [Accepted: 11/28/2021] [Indexed: 02/06/2023] Open
Abstract
The liver has remarkable regenerative potential, with the capacity to regenerate after 75% hepatectomy in humans and up to 90% hepatectomy in some rodent models, enabling it to meet the challenge of diverse injury types, including physical trauma, infection, inflammatory processes, direct toxicity, and immunological insults. Current understanding of liver regeneration is based largely on animal research, historically in large animals, and more recently in rodents and zebrafish, which provide powerful genetic manipulation experimental tools. Whilst immensely valuable, these models have limitations in extrapolation to the human situation. In vitro models have evolved from 2-dimensional culture to complex 3 dimensional organoids, but also have shortcomings in replicating the complex hepatic micro-anatomical and physiological milieu. The process of liver regeneration is only partially understood and characterized by layers of complexity. Liver regeneration is triggered and controlled by a multitude of mitogens acting in autocrine, paracrine, and endocrine ways, with much redundancy and cross-talk between biochemical pathways. The regenerative response is variable, involving both hypertrophy and true proliferative hyperplasia, which is itself variable, including both cellular phenotypic fidelity and cellular trans-differentiation, according to the type of injury. Complex interactions occur between parenchymal and non-parenchymal cells, and regeneration is affected by the status of the liver parenchyma, with differences between healthy and diseased liver. Finally, the process of termination of liver regeneration is even less well understood than its triggers. The complexity of liver regeneration biology combined with limited understanding has restricted specific clinical interventions to enhance liver regeneration. Moreover, manipulating the fundamental biochemical pathways involved would require cautious assessment, for fear of unintended consequences. Nevertheless, current knowledge provides guiding principles for strategies to optimise liver regeneration potential.
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Affiliation(s)
- Christopher Hadjittofi
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Michael Feretis
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Jack Martin
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Simon Harper
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Emmanuel Huguet
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
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13
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Park J, Jeong W, Yun C, Kim H, Oh CM. Serotonergic Regulation of Hepatic Energy Metabolism. Endocrinol Metab (Seoul) 2021; 36:1151-1160. [PMID: 34911172 PMCID: PMC8743581 DOI: 10.3803/enm.2021.1331] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 11/25/2021] [Indexed: 01/01/2023] Open
Abstract
The liver is a vital organ that regulates systemic energy metabolism and many physiological functions. Nonalcoholic fatty liver disease (NAFLD) is the commonest cause of chronic liver disease and end-stage liver failure. NAFLD is primarily caused by metabolic disruption of lipid and glucose homeostasis. Serotonin (5-hydroxytryptamine [5-HT]) is a biogenic amine with several functions in both the central and peripheral systems. 5-HT functions as a neurotransmitter in the brain and a hormone in peripheral tissues to regulate systemic energy homeostasis. Several recent studies have proposed various roles of 5-HT in hepatic metabolism and inflammation using tissue-specific knockout mice and 5-HT-receptor agonists/antagonists. This review compiles the most recent research on the relationship between 5-HT and hepatic metabolism, and the role of 5-HT signaling as a potential therapeutic target in NAFLD.
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Affiliation(s)
- Jiwon Park
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju,
Korea
| | - Wooju Jeong
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju,
Korea
| | - Chahyeon Yun
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju,
Korea
| | - Hail Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon,
Korea
| | - Chang-Myung Oh
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju,
Korea
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14
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Huang W, Han N, Du L, Wang M, Chen L, Tang H. A narrative review of liver regeneration-from models to molecular basis. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1705. [PMID: 34988214 PMCID: PMC8667151 DOI: 10.21037/atm-21-5234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 11/04/2021] [Indexed: 12/11/2022]
Abstract
Objective To elucidate the characteristics of different liver regeneration animal models, understand the activation signals and mechanisms related to liver regeneration, and obtain a more comprehensive conception of the entire liver regeneration process. Background Liver regeneration is one of the most enigmatic and fascinating phenomena of the human organism. Despite suffering significant injuries, the liver still can continue to perform its complex functions through the regeneration system. Although advanced topics on liver regeneration have been proposed; unfortunately, complete regeneration of the liver has not been achieved until now. Therefore, increasing understanding of the liver regenerative process can help improve our treatment of liver failure. It will provide a new sight for the treatment of patients with liver injury in the clinic. Methods Literatures on liver regeneration animal models and involved basic research on molecular mechanisms were retrieved to analyze the characteristics of different models and those related to molecular basis. Conclusions The process of liver regeneration is complex and intricate, consisting of various and interactive pathways. There is sufficient evidence to demonstrate that liver regeneration is similar between humans and rodents. At the same time, many of the same cytokines, growth factors, and signaling pathways are relevant. There are many gaps in our current knowledge. Understanding of this knowledge will provide more supportive clinical treatment strategies, including small-scale liver transplantation and high-quality regenerative process after surgical resection, and offer possible targets to treat the dysregulation of regeneration that occurs in chronic hepatic diseases and tumors. Current research work, such as the use of animal models as in vivo vectors for high-quality human hepatocytes, represents a unique and significant cutting edge in the field of liver regeneration.
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Affiliation(s)
- Wei Huang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Ning Han
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Lingyao Du
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Ming Wang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Liyu Chen
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Tang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
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15
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Wang Y, Wang X, Wang X, Wu D, Qi J, Zhang Y, Wang K, Zhou D, Meng QM, Nie E, Wang Q, Yu RT, Zhou XP. Imipramine impedes glioma progression by inhibiting YAP as a Hippo pathway independent manner and synergizes with temozolomide. J Cell Mol Med 2021; 25:9350-9363. [PMID: 34469035 PMCID: PMC8500960 DOI: 10.1111/jcmm.16874] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 02/06/2023] Open
Abstract
Patients with malignant glioma often suffered from depression, which leads to an increased risk of detrimental outcomes. Imipramine, an FDA‐approved tricyclic antidepressant, has been commonly used to relieve depressive symptoms in the clinic. Recently, imipramine has been reported to participate in the suppression of tumour progression in several human cancers, including prostate cancer, colon cancer and lymphomas. However, the effect of imipramine on malignant glioma is largely unclear. Here, we show that imipramine significantly retarded proliferation of immortalized and primary glioma cells. Mechanistically, imipramine suppressed tumour proliferation by inhibiting yes‐associated protein (YAP), a recognized oncogene in glioma, independent of Hippo pathway. In addition to inhibiting YAP transcription, imipramine also promoted the subcellular translocation of YAP from nucleus into cytoplasm. Consistently, imipramine administration significantly reduced orthotopic tumour progression and prolonged survival of tumour‐bearing mice. Moreover, exogenous overexpression of YAP partially restored the inhibitory effect of imipramine on glioma progression. Most importantly, compared with imipramine or temozolomide (TMZ) monotherapy, combination therapy with imipramine and TMZ exhibited enhanced inhibitory effect on glioma growth both in vitro and in vivo, suggesting the synergism of both agents. In conclusion, we found that tricyclic antidepressant imipramine impedes glioma progression by inhibiting YAP. In addition, combination therapy with imipramine and TMZ may potentially serve as promising anti‐glioma regimens, thus predicting a broad prospect of clinical application.
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Affiliation(s)
- Yan Wang
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China.,Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Xiang Wang
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China
| | - Xu Wang
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China.,Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Di Wu
- Pathological Diagnosis Center, Xuzhou Central Hospital, Xuzhou, China
| | - Ji Qi
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China
| | - Yu Zhang
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China
| | - Kai Wang
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China
| | - Ding Zhou
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China
| | - Qing-Ming Meng
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China.,Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Er Nie
- Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Qiang Wang
- Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Ru-Tong Yu
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China.,Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Xiu-Ping Zhou
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China.,Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
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16
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Liu N, Sun S, Wang P, Sun Y, Hu Q, Wang X. The Mechanism of Secretion and Metabolism of Gut-Derived 5-Hydroxytryptamine. Int J Mol Sci 2021; 22:ijms22157931. [PMID: 34360695 PMCID: PMC8347425 DOI: 10.3390/ijms22157931] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/16/2021] [Accepted: 06/19/2021] [Indexed: 12/17/2022] Open
Abstract
Serotonin, also known as 5-hydroxytryptamine (5-HT), is a metabolite of tryptophan and is reported to modulate the development and neurogenesis of the enteric nervous system, gut motility, secretion, inflammation, sensation, and epithelial development. Approximately 95% of 5-HT in the body is synthesized and secreted by enterochromaffin (EC) cells, the most common type of neuroendocrine cells in the gastrointestinal (GI) tract, through sensing signals from the intestinal lumen and the circulatory system. Gut microbiota, nutrients, and hormones are the main factors that play a vital role in regulating 5-HT secretion by EC cells. Apart from being an important neurotransmitter and a paracrine signaling molecule in the gut, gut-derived 5-HT was also shown to exert other biological functions (in autism and depression) far beyond the gut. Moreover, studies conducted on the regulation of 5-HT in the immune system demonstrated that 5-HT exerts anti-inflammatory and proinflammatory effects on the gut by binding to different receptors under intestinal inflammatory conditions. Understanding the regulatory mechanisms through which 5-HT participates in cell metabolism and physiology can provide potential therapeutic strategies for treating intestinal diseases. Herein, we review recent evidence to recapitulate the mechanisms of synthesis, secretion, regulation, and biofunction of 5-HT to improve the nutrition and health of humans.
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Affiliation(s)
- Ning Liu
- Key Laboratory of Precision Nutrition and Food Quality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Shiqiang Sun
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, 9713ZG Groningen, The Netherlands;
- Department of Genetics, University Medical Center Groningen, University of Groningen, 9713ZG Groningen, The Netherlands
| | - Pengjie Wang
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Yanan Sun
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Qingjuan Hu
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Xiaoyu Wang
- Key Laboratory of Precision Nutrition and Food Quality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
- Correspondence: ; Tel.: +86-10-6273-8589
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17
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LeBlanc L, Ramirez N, Kim J. Context-dependent roles of YAP/TAZ in stem cell fates and cancer. Cell Mol Life Sci 2021; 78:4201-4219. [PMID: 33582842 PMCID: PMC8164607 DOI: 10.1007/s00018-021-03781-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/30/2020] [Accepted: 01/28/2021] [Indexed: 02/06/2023]
Abstract
Hippo effectors YAP and TAZ control cell fate and survival through various mechanisms, including transcriptional regulation of key genes. However, much of this research has been marked by conflicting results, as well as controversy over whether YAP and TAZ are redundant. A substantial portion of the discordance stems from their contradictory roles in stem cell self-renewal vs. differentiation and cancer cell survival vs. apoptosis. In this review, we present an overview of the multiple context-dependent functions of YAP and TAZ in regulating cell fate decisions in stem cells and organoids, as well as their mechanisms of controlling programmed cell death pathways in cancer.
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Affiliation(s)
- Lucy LeBlanc
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, USA. .,Interdisciplinary Life Sciences Graduate Program, The University of Texas at Austin, Austin, TX, 78712, USA.
| | - Nereida Ramirez
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, USA.,Harvard Medical School, 25 Shattuck St, Boston, MA, 02115, USA
| | - Jonghwan Kim
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, USA. .,Interdisciplinary Life Sciences Graduate Program, The University of Texas at Austin, Austin, TX, 78712, USA. .,Center for Systems and Synthetic Biology, The University of Texas at Austin, Austin, TX, 78712, USA.
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18
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Verboven E, Moya IM, Sansores-Garcia L, Xie J, Hillen H, Kowalczyk W, Vella G, Verhulst S, Castaldo SA, Algueró-Nadal A, Romanelli L, Mercader-Celma C, Souza NA, Soheily S, Van Huffel L, Van Brussel T, Lambrechts D, Roskams T, Lemaigre FP, Bergers G, van Grunsven LA, Halder G. Regeneration Defects in Yap and Taz Mutant Mouse Livers Are Caused by Bile Duct Disruption and Cholestasis. Gastroenterology 2021; 160:847-862. [PMID: 33127392 DOI: 10.1053/j.gastro.2020.10.035] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 10/13/2020] [Accepted: 10/19/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS The Hippo pathway and its downstream effectors YAP and TAZ (YAP/TAZ) are heralded as important regulators of organ growth and regeneration. However, different studies provided contradictory conclusions about their role during regeneration of different organs, ranging from promoting proliferation to inhibiting it. Here we resolve the function of YAP/TAZ during regeneration of the liver, where Hippo's role in growth control has been studied most intensely. METHODS We evaluated liver regeneration after carbon tetrachloride toxic liver injury in mice with conditional deletion of Yap/Taz in hepatocytes and/or biliary epithelial cells, and measured the behavior of different cell types during regeneration by histology, RNA sequencing, and flow cytometry. RESULTS We found that YAP/TAZ were activated in hepatocytes in response to carbon tetrachloride toxic injury. However, their targeted deletion in adult hepatocytes did not noticeably impair liver regeneration. In contrast, Yap/Taz deletion in adult bile ducts caused severe defects and delay in liver regeneration. Mechanistically, we showed that Yap/Taz mutant bile ducts degenerated, causing cholestasis, which stalled the recruitment of phagocytic macrophages and the removal of cellular corpses from injury sites. Elevated bile acids activated pregnane X receptor, which was sufficient to recapitulate the phenotype observed in mutant mice. CONCLUSIONS Our data show that YAP/TAZ are practically dispensable in hepatocytes for liver development and regeneration. Rather, YAP/TAZ play an indirect role in liver regeneration by preserving bile duct integrity and securing immune cell recruitment and function.
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Affiliation(s)
- Elisabeth Verboven
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Iván M Moya
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium; Facultad de Ingeniería y Ciencias Aplicadas, Universidad de Las Americas, Quito, Ecuador
| | - Leticia Sansores-Garcia
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Jun Xie
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Hanne Hillen
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Weronika Kowalczyk
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Gerlanda Vella
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Stefaan Verhulst
- Liver Cell Biology Research Group, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussel, Belgium
| | - Stéphanie A Castaldo
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Ana Algueró-Nadal
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Lucia Romanelli
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Cristina Mercader-Celma
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Natália A Souza
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Soheil Soheily
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Leen Van Huffel
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Thomas Van Brussel
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Diether Lambrechts
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Tania Roskams
- Department of Imaging and Pathology, Translational Cell and Tissue Research, Katholieke Universiteit Leuven and University Hospitals Leuven, Leuven, Belgium
| | - Frédéric P Lemaigre
- Liver and Pancreas Development Unit, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Gabrielle Bergers
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Leo A van Grunsven
- Liver Cell Biology Research Group, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussel, Belgium
| | - Georg Halder
- Vlaams Instituut voor Biotechnologie-Katholieke Universiteit Leuven, Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium.
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19
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Liu S, Zhai M, Xiao W, Zhou Q, Zhang D, Gong Y, Deng C, Liu C, Li L, He C. Intra-platelet serotonin and YAP contributed to poor prognosis of hepatocellular carcinoma. Life Sci 2021; 270:119140. [PMID: 33524420 DOI: 10.1016/j.lfs.2021.119140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 01/16/2021] [Accepted: 01/16/2021] [Indexed: 11/18/2022]
Abstract
AIMS Intra-platelet 5-HT (IP 5-HT) and YAP exhibit an important role in hepatocellular carcinoma (HCC). The aim of the study was to investigate whether IP 5-HT and YAP could affect the progression and prognosis of HCC. METHODS 5-HT level and YAP expression were measured and were compared between HCC patients and control patients. By grouping HCC patients, we analyzed clinical indicators and survival. The predictive nomogram was established by R software according to the risk factors obtained from multivariate analysis. RESULTS Higher IP 5-HT level and higher YAP expression were associated with poorer prognosis. In addition, they were also associated with BCLC stages. Higher IP 5-HT was found to be related with higher international normalized ratio (INR) (p = 0.040), more death (p = 0.015) and higher YAP expression (p < 0.001). Similarly, higher YAP expression was proved to be associated with lower platelet counts (PLT) (p = 0.032), smaller tumor size (p = 0.017), more death (p < 0.001) and higher IP 5-HT (p < 0.001). In addition, alkaline phosphatase (ALP), YAP and tumor size were proved to be independent risk factors. By using risk factors, we have established a prognostic prediction nomogram for HCC patients. In the prognostic prediction nomogram, patients with higher scores would have poorer prognosis. CONCLUSIONS IP 5-HT and YAP might affect the progression and prognosis of HCC through synergistic effect. Moreover, IP 5-HT might affect HCC by regulating YAP expression. Thus, both of them might be potential therapeutic targets. By establishing the prognostic prediction nomogram, we could improve the prediction system.
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Affiliation(s)
- Sushun Liu
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Mimi Zhai
- Xiangya Nursing School, Central South University, Changsha, Hunan 410013, China
| | - Wang Xiao
- Department of Nursing, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Qin Zhou
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Dan Zhang
- Department of Nursing, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yi Gong
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chaolin Deng
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Chun Liu
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Li Li
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chao He
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
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Yagi S, Hirata M, Miyachi Y, Uemoto S. Liver Regeneration after Hepatectomy and Partial Liver Transplantation. Int J Mol Sci 2020; 21:ijms21218414. [PMID: 33182515 PMCID: PMC7665117 DOI: 10.3390/ijms21218414] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/04/2020] [Accepted: 11/05/2020] [Indexed: 02/07/2023] Open
Abstract
The liver is a unique organ with an abundant regenerative capacity. Therefore, partial hepatectomy (PHx) or partial liver transplantation (PLTx) can be safely performed. Liver regeneration involves a complex network of numerous hepatotropic factors, cytokines, pathways, and transcriptional factors. Compared with liver regeneration after a viral- or drug-induced liver injury, that of post-PHx or -PLTx has several distinct features, such as hemodynamic changes in portal venous flow or pressure, tissue ischemia/hypoxia, and hemostasis/platelet activation. Although some of these changes also occur during liver regeneration after a viral- or drug-induced liver injury, they are more abrupt and drastic following PHx or PLTx, and can thus be the main trigger and driving force of liver regeneration. In this review, we first provide an overview of the molecular biology of liver regeneration post-PHx and -PLTx. Subsequently, we summarize some clinical conditions that negatively, or sometimes positively, interfere with liver regeneration after PHx or PLTx, such as marginal livers including aged or fatty liver and the influence of immunosuppression.
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21
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Yang H, Guo J, Jin W, Chang C, Guo X, Xu C. A combined proteomic and metabolomic analyses of the priming phase during rat liver regeneration. Arch Biochem Biophys 2020; 693:108567. [PMID: 32898568 DOI: 10.1016/j.abb.2020.108567] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/17/2020] [Accepted: 08/27/2020] [Indexed: 01/07/2023]
Abstract
By comparing differentially abundant proteins and metabolites, the protein expression, metabolic changes and metabolic regulation mechanisms during the priming phase of liver regeneration (LR) were investigated. We combined proteomic analysis via isobaric tags for relative and absolute quantification (iTRAQ) with metabolomic analysis via nontargeted liquid chromatography-mass spectrometry (LC-MS). LC-MS was used to examine 29 energy metabolites expression alterations in targeted metabolomics. A total number of 441 differentially expressed proteins and 65 metabolites were identified. PSMB10, PSMB5, RCG_63409, PSME4 and PSMB7 were key node proteins, these proteins are involved in the proteasome pathway. The most strongly enriched transcription factor motif was TP63. These results point out a critical role of the proteasome pathway (defense mechanisms) and of TP63 (metabolic regulator) as the key transcription factor during the priming phase of LR. Metabolomic and metabolite analysis showed that profiling indicates upregulation of arginine biosynthesis and glycolysis as the main ATP-delivering pathway. Integrative proteomic and metabolomic analysis showed that biomolecular changes were primarily related to the neurological disease, cell death and survival and cell morphology. What's more, neurotransmitters may play an important role in the regulation of LR.
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Affiliation(s)
- Hui Yang
- College of Life Science, Henan Normal University, Xinxiang, 453007, China; State Key Laboratory Cultivation Base for Cell Differentiation Regulation, Henan Normal University, Xinxiang, 453007, China
| | - Jianlin Guo
- College of Life Science, Henan Normal University, Xinxiang, 453007, China; State Key Laboratory Cultivation Base for Cell Differentiation Regulation, Henan Normal University, Xinxiang, 453007, China
| | - Wei Jin
- College of Life Science, Henan Normal University, Xinxiang, 453007, China; State Key Laboratory Cultivation Base for Cell Differentiation Regulation, Henan Normal University, Xinxiang, 453007, China
| | - Cuifang Chang
- College of Life Science, Henan Normal University, Xinxiang, 453007, China; State Key Laboratory Cultivation Base for Cell Differentiation Regulation, Henan Normal University, Xinxiang, 453007, China
| | - Xueqiang Guo
- College of Life Science, Henan Normal University, Xinxiang, 453007, China; State Key Laboratory Cultivation Base for Cell Differentiation Regulation, Henan Normal University, Xinxiang, 453007, China
| | - Cunshuan Xu
- College of Life Science, Henan Normal University, Xinxiang, 453007, China; State Key Laboratory Cultivation Base for Cell Differentiation Regulation, Henan Normal University, Xinxiang, 453007, China.
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Fang Y, Liu L, Liu S, Hu L, Cai W, Wan X, Liu D, He Y, Zhu Z. Calcium-sensing receptor promotes tumor proliferation and migration in human intrahepatic cholangiocarcinoma by targeting ERK signaling pathway. Eur J Pharmacol 2020; 872:172915. [PMID: 31926993 DOI: 10.1016/j.ejphar.2020.172915] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 12/18/2019] [Accepted: 01/08/2020] [Indexed: 12/22/2022]
Abstract
The Calcium-sensing receptor (CaSR) is functionally expressed in the biliary epithelial cells and it has been verified to possess various regulatory functions in several different forms of human cancers. But its pathological role in human intrahepatic cholangiocarcinoma (ICC) development remains obscure. Here, we confirmed that CaSR expression was up-regulated in ICC tumor specimens and cell lines, which was positively correlated with number of tumors, lymph node metastasis and poor prognosis of ICC patients. CaSR activation induced by CaCl2 or Calindol (a selective CaSR agonist) markedly facilitated cell proliferation and migration in ICC cells, while knockdown of CaSR or NPS2143 treatment (a CaSR antagonist) dramatically suppressed the above effects. We also demonstrated that alteration of CaSR activity mediated tumorigenesis and growth of ICC in vivo. Mechanistically, CaSR activation could promote cell cycle progression and induce an upregulation of MMP-2 and MMP-9 expression partly via the simulation of ERK1/2 signaling pathway. And further inhibition of ERK pathway significantly suppressed ICC cell viability and migration capacity. Together, our findings shed novel light on the role of CaSR as an oncogene in ICC progression and indicated that modulation of CaSR might serve as a preventive or therapeutic strategy for ICC.
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Affiliation(s)
- Yu Fang
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Liu Liu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Shaojun Liu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Lei Hu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Wei Cai
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Xiao Wan
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Dongliang Liu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Yiren He
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
| | - Zhiqiang Zhu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
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23
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5-HT and Intraplatelet 5-HT: a potential upstream regulator of YAP in liver regeneration. Exp Mol Med 2019; 51:1-2. [PMID: 31619665 PMCID: PMC6802664 DOI: 10.1038/s12276-019-0324-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 07/04/2019] [Accepted: 07/17/2019] [Indexed: 12/05/2022] Open
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