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Jafarinia H, Khalilimeybodi A, Barrasa-Fano J, Fraley SI, Rangamani P, Carlier A. Insights gained from computational modeling of YAP/TAZ signaling for cellular mechanotransduction. NPJ Syst Biol Appl 2024; 10:90. [PMID: 39147782 PMCID: PMC11327324 DOI: 10.1038/s41540-024-00414-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 07/27/2024] [Indexed: 08/17/2024] Open
Abstract
YAP/TAZ signaling pathway is regulated by a multiplicity of feedback loops, crosstalk with other pathways, and both mechanical and biochemical stimuli. Computational modeling serves as a powerful tool to unravel how these different factors can regulate YAP/TAZ, emphasizing biophysical modeling as an indispensable tool for deciphering mechanotransduction and its regulation of cell fate. We provide a critical review of the current state-of-the-art of computational models focused on YAP/TAZ signaling.
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Affiliation(s)
- Hamidreza Jafarinia
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Cell Biology-Inspired Tissue Engineering, Maastricht University, Maastricht, The Netherlands
| | - Ali Khalilimeybodi
- Department of Mechanical and Aerospace Engineering, University of California San Diego, La Jolla, CA, 92093-0411, USA
| | - Jorge Barrasa-Fano
- Department of Mechanical Engineering, Biomechanics Section, KU Leuven, Leuven, Belgium
| | - Stephanie I Fraley
- Department of Bioengineering, University of California San Diego, La Jolla, CA, 92093-0411, USA
| | - Padmini Rangamani
- Department of Mechanical and Aerospace Engineering, University of California San Diego, La Jolla, CA, 92093-0411, USA.
| | - Aurélie Carlier
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Cell Biology-Inspired Tissue Engineering, Maastricht University, Maastricht, The Netherlands.
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Wakabayashi N, Yagishita Y, Joshi T, Kensler TW. Dual Deletion of Keap1 and Rbpjκ Genes in Liver Leads to Hepatomegaly and Hypercholesterolemia. Int J Mol Sci 2024; 25:4712. [PMID: 38731931 PMCID: PMC11083431 DOI: 10.3390/ijms25094712] [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: 04/11/2024] [Revised: 04/21/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
The hepatic deletion of Rbpjκ (RbpjF/F::AlbCre) in the mouse leads to exhibition of the Alagille syndrome phenotype during early postnatal liver development with hyperlipidemia and cholestasis due to attenuated disruption of NOTCH signaling. Given the roles of NRF2 signaling in the regulation of lipid metabolism and bile ductal formation, it was anticipated that these symptoms could be alleviated by enhancing NRF2 signaling in the RbpjF/F::AlbCre mouse by hepatic deletion of Keap1 in compound Keap1F/F::RbpjF/F::AlbCre mice. Unexpectedly, these mice developed higher hepatic and plasma cholesterol levels with more severe cholestatic liver damage during the pre-weaning period than in the RbpjF/F::AlbCre mice. In addition, hypercholesterolemia and hepatic damage were sustained throughout the growth period unlike in the RbpjF/F::AlbCre mouse. These enhanced abnormalities in lipid metabolism appear to be due to NRF2-dependent changes in gene expression related to cholesterol synthetic and subsequent bile acid production pathways. Notably, the hepatic expression of Cyp1A7 and Abcb11 genes involved in bile acid homeostasis was significantly reduced in Keap1F/F::RbpjF/F::AlbCre compared to RbpjF/F::AlbCre mice. The accumulation of liver cholesterol and the weakened capacity for bile excretion during the 3 pre-weaning weeks in the Keap1F/F::RbpjF/F::AlbCre mice may aggravate hepatocellular damage level caused by both excessive cholesterol and residual bile acid toxicity in hepatocytes. These results indicate that a tuned balance of NOTCH and NRF2 signaling is of biological importance for early liver development after birth.
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Affiliation(s)
- Nobunao Wakabayashi
- Translational Research Program, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (N.W.); (T.J.)
| | - Yoko Yagishita
- Translational Research Program, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (N.W.); (T.J.)
- Division of Endocrinology, Columbia University, New York, NY 10032, USA
| | - Tanvi Joshi
- Translational Research Program, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (N.W.); (T.J.)
| | - Thomas W. Kensler
- Translational Research Program, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (N.W.); (T.J.)
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Liu K, Wehling L, Wan S, Weiler SME, Tóth M, Ibberson D, Marhenke S, Ali A, Lam M, Guo T, Pinna F, Pedrini F, Damle-Vartak A, Dropmann A, Rose F, Colucci S, Cheng W, Bissinger M, Schmitt J, Birner P, Poth T, Angel P, Dooley S, Muckenthaler MU, Longerich T, Vogel A, Heikenwälder M, Schirmacher P, Breuhahn K. Dynamic YAP expression in the non-parenchymal liver cell compartment controls heterologous cell communication. Cell Mol Life Sci 2024; 81:115. [PMID: 38436764 PMCID: PMC10912141 DOI: 10.1007/s00018-024-05126-1] [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: 07/31/2023] [Revised: 12/11/2023] [Accepted: 12/30/2023] [Indexed: 03/05/2024]
Abstract
INTRODUCTION The Hippo pathway and its transcriptional effectors yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are targets for cancer therapy. It is important to determine if the activation of one factor compensates for the inhibition of the other. Moreover, it is unknown if YAP/TAZ-directed perturbation affects cell-cell communication of non-malignant liver cells. MATERIALS AND METHODS To investigate liver-specific phenotypes caused by YAP and TAZ inactivation, we generated mice with hepatocyte (HC) and biliary epithelial cell (BEC)-specific deletions for both factors (YAPKO, TAZKO and double knock-out (DKO)). Immunohistochemistry, single-cell sequencing, and proteomics were used to analyze liver tissues and serum. RESULTS The loss of BECs, liver fibrosis, and necrosis characterized livers from YAPKO and DKO mice. This phenotype was weakened in DKO tissues compared to specimens from YAPKO animals. After depletion of YAP in HCs and BECs, YAP expression was induced in non-parenchymal cells (NPCs) in a cholestasis-independent manner. YAP positivity was detected in subgroups of Kupffer cells (KCs) and endothelial cells (ECs). The secretion of pro-inflammatory chemokines and cytokines such as C-X-C motif chemokine ligand 11 (CXCL11), fms-related receptor tyrosine kinase 3 ligand (FLT3L), and soluble intercellular adhesion molecule-1 (ICAM1) was increased in the serum of YAPKO animals. YAP activation in NPCs could contribute to inflammation via TEA domain transcription factor (TEAD)-dependent transcriptional regulation of secreted factors. CONCLUSION YAP inactivation in HCs and BECs causes liver damage, and concomitant TAZ deletion does not enhance but reduces this phenotype. Additionally, we present a new mechanism by which YAP contributes to cell-cell communication originating from NPCs.
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Affiliation(s)
- Kaijing Liu
- Department of Medical Oncology, Sun Yat-Sen University Cancer Center, Guangdong, China
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
- State Key Laboratory of Oncology in South China, Sun Yat-Sen University Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Lilija Wehling
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
- Department of Modeling of Biological Processes, COS Heidelberg/BioQuant, Heidelberg University, Heidelberg, Germany
| | - Shan Wan
- Department of Pathology, School of Biology & Basic Medical Sciences, Soochow University, Suzhou, China
| | - Sofia M E Weiler
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Marcell Tóth
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - David Ibberson
- Deep Sequencing Core Facility, CellNetworks Excellence Cluster, Heidelberg University, Heidelberg, Germany
| | - Silke Marhenke
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School (MHH), Hannover, Germany
| | - Adnan Ali
- Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Macrina Lam
- Division of Signal Transduction and Growth Control, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Te Guo
- Division of Signal Transduction and Growth Control, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Federico Pinna
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Fabiola Pedrini
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Amruta Damle-Vartak
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Anne Dropmann
- Department of Medicine II, Molecular Hepatology Section, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Fabian Rose
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Silvia Colucci
- Department of Pediatric Oncology, Hematology & Immunology, University Hospital Heidelberg, Heidelberg, Germany
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Wenxiang Cheng
- Translational Medicine R&D Center, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Michaela Bissinger
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Jennifer Schmitt
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Patrizia Birner
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Tanja Poth
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Peter Angel
- Division of Signal Transduction and Growth Control, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Steven Dooley
- Department of Medicine II, Molecular Hepatology Section, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Martina U Muckenthaler
- Department of Pediatric Oncology, Hematology & Immunology, University Hospital Heidelberg, Heidelberg, Germany
| | - Thomas Longerich
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Arndt Vogel
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School (MHH), Hannover, Germany
| | - Mathias Heikenwälder
- Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Peter Schirmacher
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany
| | - Kai Breuhahn
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120, Heidelberg, Germany.
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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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Bai MR, Pei HY, Zhou Y, Song HL, Pan WH, Gong YM, Wu WJ, Yu WW, Cui MM, Gu BL, Chu X, Cai W. Association analysis and functional follow-up identified common variants of JAG1 accounting for risk to biliary atresia. Front Genet 2023; 14:1186882. [PMID: 37255715 PMCID: PMC10225652 DOI: 10.3389/fgene.2023.1186882] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/05/2023] [Indexed: 06/01/2023] Open
Abstract
Background: Biliary atresia (BA) is a destructive, obliterative cholangiopathy characterized by progressive fibro-inflammatory disorder and obliteration of intra- and extrahepatic bile ducts. The Jagged1 (JAG1) gene mutations have been found in some isolated BA cases. We aim to explore the association of common variants in JAG1 with isolated BA risk in the Chinese Han population. Methods: We genotyped 31 tag single nucleotide polymorphisms covering the JAG1 gene region in 333 BA patients and 1,665 healthy controls from the Chinese population, and performed case-control association analysis. The expression patterns of JAG1 homologs were investigated in zebrafish embryos, and the roles of jag1a and jag1b in biliary development were examined by morpholino knockdown in zebrafish. Results: Single nucleotide polymorphisms rs6077861 [P Allelic = 1.74 × 10-4, odds ratio = 1.78, 95% confidence interval: 1.31-2.40] and rs3748478 (P Allelic = 5.77 × 10-4, odds ratio = 1.39, 95% confidence interval: 1.15-1.67) located in the intron region of JAG1 showed significant associations with BA susceptibility. The JAG1 homologs, jag1a and jag1b genes were expressed in the developing hepatobiliary duct of zebrafish, especially at 72 and 96 h postfertilization. Knockdown of both jag1a and jag1b led to poor biliary secretion, sparse intrahepatic bile duct network and smaller or no gallbladders compared with control embryos in the zebrafish model. Conclusion: Common genetic variants of JAG1 were associated with BA susceptibility. Knockdown of JAG1 homologs led to defective intrahepatic and extrahepatic bile ducts in zebrafish. These results suggest that JAG1 might be implicated in the etiology of BA.
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Affiliation(s)
- Mei-Rong Bai
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Hao-Yue Pei
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Ying Zhou
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Huan-Lei Song
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Wei-Hua Pan
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yi-Ming Gong
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Wen-Jie Wu
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Wen-Wen Yu
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Meng-Meng Cui
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Bei-Lin Gu
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Xun Chu
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Wei Cai
- Department of Pediatric Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Institute of Pediatric Research, Shanghai, China
- Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
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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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7
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Watkins RD, Buckarma EH, Tomlinson JL, McCabe CE, Yonkus JA, Werneburg NW, Bayer RL, Starlinger PP, Robertson KD, Wang C, Gores GJ, Smoot RL. SHP2 inhibition enhances Yes-associated protein mediated liver regeneration in murine partial hepatectomy models. JCI Insight 2022; 7:159930. [PMID: 35763355 PMCID: PMC9462473 DOI: 10.1172/jci.insight.159930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/24/2022] [Indexed: 11/17/2022] Open
Abstract
Disrupted liver regeneration following hepatectomy represents an “undruggable” clinical challenge associated with poor patient outcomes. Yes-associated protein (YAP), a transcriptional coactivator that is repressed by the Hippo pathway, is instrumental in liver regeneration. We have previously described an alternative, Hippo-independent mechanism of YAP activation mediated by downregulation of protein tyrosine phosphatase nonreceptor type 11 (PTPN11, also known as SHP2) inhibition. Herein, we examined the effects of YAP activation with a selective SHP1/SHP2 inhibitor, NSC-87877, on liver regeneration in murine partial hepatectomy models. In our studies, NSC-87877 led to accelerated hepatocyte proliferation, improved liver regeneration, and decreased markers of injury following partial hepatectomy. The effects of NSC-87877 were lost in mice with hepatocyte-specific Yap/Taz deletion, and this demonstrated dependence on these molecules for the enhanced regenerative response. Furthermore, administration of NSC-87877 to murine models of nonalcoholic steatohepatitis was associated with improved survival and decreased markers of injury after hepatectomy. Evaluation of transcriptomic changes in the context of NSC-87877 administration revealed reduction in fibrotic signaling and augmentation of cell cycle signaling. Cytoprotective changes included downregulation of Nr4a1, an apoptosis inducer. Collectively, the data suggest that SHP2 inhibition induces a pro-proliferative and cytoprotective enhancement of liver regeneration dependent on YAP.
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Affiliation(s)
- Ryan D Watkins
- Department of Surgery, Mayo Clinic, Rochester, United States of America
| | - EeeLN H Buckarma
- Department of Surgery, Mayo Clinic, Rochester, United States of America
| | | | - Chantal E McCabe
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, United States of America
| | - Jennifer A Yonkus
- Department of Surgery, Mayo Clinic, Rochester, United States of America
| | - Nathan W Werneburg
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States of America
| | - Rachel L Bayer
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States of America
| | | | - Keith D Robertson
- Division of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, United States of America
| | - Chen Wang
- Department of Health Sciences Research, Mayo Clinic, Rochester, United States of America
| | - Gregory J Gores
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States of America
| | - Rory L Smoot
- Department of Surgery, Mayo Clinic, Rochester, United States of America
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8
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Abstract
Yes-associated protein 1 (YAP1) is a transcriptional coactivator that activates transcriptional enhanced associate domain transcription factors upon inactivation of the Hippo signaling pathway, to regulate biological processes like proliferation, survival, and differentiation. YAP1 is most prominently expressed in biliary epithelial cells (BECs) in normal adult livers and during development. In the current review, we will discuss the multiple roles of YAP1 in the development and morphogenesis of bile ducts inside and outside the liver, as well as in orchestrating the cholangiocyte repair response to biliary injury. We will review how biliary repair can occur through the process of hepatocyte-to-BEC transdifferentiation and how YAP1 is pertinent to this process. We will also discuss the liver's capacity for metabolic reprogramming as an adaptive mechanism in extreme cholestasis, such as when intrahepatic bile ducts are absent due to YAP1 loss from hepatic progenitors. Finally, we will discuss the roles of YAP1 in the context of pediatric pathologies afflicting bile ducts, such as Alagille syndrome and biliary atresia. In conclusion, we will comprehensively discuss the spatiotemporal roles of YAP1 in biliary development and repair after biliary injury while describing key interactions with other well-known developmental pathways.
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Affiliation(s)
- Laura Molina
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine
| | - Kari Nejak-Bowen
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine,Pittsburgh Liver Research Center, University of Pittsburgh and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Satdarshan P. Monga
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine,Pittsburgh Liver Research Center, University of Pittsburgh and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania,Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh and UPMC, Pittsburgh, Pennsylvania
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9
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Wang M, Dai M, Wang D, Xiong W, Zeng Z, Guo C. The regulatory networks of the Hippo signaling pathway in cancer development. J Cancer 2021; 12:6216-6230. [PMID: 34539895 PMCID: PMC8425214 DOI: 10.7150/jca.62402] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/15/2021] [Indexed: 01/14/2023] Open
Abstract
The Hippo signaling pathway is a relatively young tumor-related signaling pathway. Although it was discovered lately, research on it developed rapidly. The Hippo signaling pathway is closely relevant to the occurrence and development of tumors and the maintenance of organ size and other biological processes. This manuscript focuses on YAP, the core molecule of the Hippo signaling pathway, and discussion the upstream and downstream regulatory networks of the Hippo signaling pathway during tumorigenesis and development. It also summarizes the relevant drugs involved in this signaling pathway, which may be helpful to the development of targeted drugs for cancer therapy.
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Affiliation(s)
- Maonan Wang
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Manli Dai
- Hunan Food and Drug Vocational College, Changsha 410036, China
| | - Dan Wang
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Zhaoyang Zeng
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Can Guo
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
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10
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Molina LM, Zhu J, Li Q, Pradhan-Sundd T, Krutsenko Y, Sayed K, Jenkins N, Vats R, Bhushan B, Ko S, Hu S, Poddar M, Singh S, Tao J, Sundd P, Singhi A, Watkins S, Ma X, Benos PV, Feranchak A, Michalopoulos G, Nejak-Bowen K, Watson A, Bell A, Monga SP. Compensatory hepatic adaptation accompanies permanent absence of intrahepatic biliary network due to YAP1 loss in liver progenitors. Cell Rep 2021; 36:109310. [PMID: 34233187 PMCID: PMC8280534 DOI: 10.1016/j.celrep.2021.109310] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 04/14/2021] [Accepted: 06/04/2021] [Indexed: 12/29/2022] Open
Abstract
Yes-associated protein 1 (YAP1) regulates cell plasticity during liver injury, regeneration, and cancer, but its role in liver development is unknown. We detect YAP1 activity in biliary cells and in cells at the hepatobiliary bifurcation in single-cell RNA sequencing analysis of developing livers. Deletion of Yap1 in hepatoblasts does not impair Notch-driven SOX9+ ductal plate formation but does prevent the formation of the abutting second layer of SOX9+ ductal cells, blocking the formation of a patent intrahepatic biliary tree. Intriguingly, these mice survive for 8 months with severe cholestatic injury and without hepatocyte-to-biliary transdifferentiation. Ductular reaction in the perihilar region suggests extrahepatic biliary proliferation, likely seeking the missing intrahepatic biliary network. Long-term survival of these mice occurs through hepatocyte adaptation via reduced metabolic and synthetic function, including altered bile acid metabolism and transport. Overall, we show YAP1 as a key regulator of bile duct development while highlighting a profound adaptive capability of hepatocytes.
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Affiliation(s)
- Laura M Molina
- Medical Scientist Training Program, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Junjie Zhu
- Department of Pharmaceutical Sciences and Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA
| | - Qin Li
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA
| | - Tirthadipa Pradhan-Sundd
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Yekaterina Krutsenko
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Khaled Sayed
- Department of Computational and Systems Biology, University of Pittsburgh, 3420 Forbes Ave, Pittsburgh, PA 15213, USA; Biomedical Engineering and Systems, Faculty of Engineering, Cairo University, Giza, Egypt
| | - Nathaniel Jenkins
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ravi Vats
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA; Department of Bioengineering, School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bharat Bhushan
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Sungjin Ko
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Shikai Hu
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Minakshi Poddar
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sucha Singh
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Junyan Tao
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Prithu Sundd
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA
| | - Aatur Singhi
- Division of Anatomic Pathology, Department of Pathology, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA
| | - Simon Watkins
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA, USA; Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Xiaochao Ma
- Department of Pharmaceutical Sciences and Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA
| | - Panayiotis V Benos
- Department of Computational and Systems Biology, University of Pittsburgh, 3420 Forbes Ave, Pittsburgh, PA 15213, USA
| | - Andrew Feranchak
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - George Michalopoulos
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Kari Nejak-Bowen
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Alan Watson
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA, USA; Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Aaron Bell
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA
| | - Satdarshan P Monga
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Pittsburgh Liver Research Center, University of Pittsburgh and UPMC, Pittsburgh, PA, USA; Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA.
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11
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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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12
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Common Transcriptional Program of Liver Fibrosis in Mouse Genetic Models and Humans. Int J Mol Sci 2021; 22:ijms22020832. [PMID: 33467660 PMCID: PMC7830925 DOI: 10.3390/ijms22020832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/08/2021] [Accepted: 01/12/2021] [Indexed: 02/06/2023] Open
Abstract
Multifactorial metabolic diseases, such as non-alcoholic fatty liver disease, are a major burden to modern societies, and frequently present with no clearly defined molecular biomarkers. Herein we used system medicine approaches to decipher signatures of liver fibrosis in mouse models with malfunction in genes from unrelated biological pathways: cholesterol synthesis-Cyp51, notch signaling-Rbpj, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling-Ikbkg, and unknown lysosomal pathway-Glmp. Enrichment analyses of Kyoto Encyclopedia of Genes and Genomes (KEGG), Reactome and TRANScription FACtor (TRANSFAC) databases complemented with genome-scale metabolic modeling revealed fibrotic signatures highly similar to liver pathologies in humans. The diverse genetic models of liver fibrosis exposed a common transcriptional program with activated estrogen receptor alpha (ERα) signaling, and a network of interactions between regulators of lipid metabolism and transcription factors from cancer pathways and the immune system. The novel hallmarks of fibrosis are downregulated lipid pathways, including fatty acid, bile acid, and steroid hormone metabolism. Moreover, distinct metabolic subtypes of liver fibrosis were proposed, supported by unique enrichment of transcription factors based on the type of insult, disease stage, or potentially, also sex. The discovered novel features of multifactorial liver fibrotic pathologies could aid also in improved stratification of other fibrosis related pathologies.
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13
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Heng BC, Zhang X, Aubel D, Bai Y, Li X, Wei Y, Fussenegger M, Deng X. An overview of signaling pathways regulating YAP/TAZ activity. Cell Mol Life Sci 2021; 78:497-512. [PMID: 32748155 PMCID: PMC11071991 DOI: 10.1007/s00018-020-03579-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/07/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
Abstract
YAP and TAZ are ubiquitously expressed homologous proteins originally identified as penultimate effectors of the Hippo signaling pathway, which plays a key role in maintaining mammalian tissue/organ size. Presently, it is known that YAP/TAZ also interact with various non-Hippo signaling pathways, and have diverse roles in multiple biological processes, including cell proliferation, tissue regeneration, cell lineage fate determination, tumorigenesis, and mechanosensing. In this review, we first examine the various microenvironmental cues and signaling pathways that regulate YAP/TAZ activation, through the Hippo and non-Hippo signaling pathways. This is followed by a brief summary of the interactions of YAP/TAZ with TEAD1-4 and a diverse array of other non-TEAD transcription factors. Finally, we offer a critical perspective on how increasing knowledge of the regulatory mechanisms of YAP/TAZ signaling might open the door to novel therapeutic applications in the interrelated fields of biomaterials, tissue engineering, regenerative medicine and synthetic biology.
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Affiliation(s)
- Boon Chin Heng
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
- Faculty of Science and Technology, Sunway University, Selangor Darul Ehsan, Malaysia
| | - Xuehui Zhang
- Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
- National Engineering Laboratory for Digital and Material Technology of Stomatology, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Dominique Aubel
- IUTA, Departement Genie Biologique, Universite, Claude Bernard Lyon 1, Villeurbanne Cedex, France
| | - Yunyang Bai
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Xiaochan Li
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Yan Wei
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH-Zurich, Mattenstrasse 26, Basel, 4058, Switzerland.
| | - Xuliang Deng
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China.
- National Engineering Laboratory for Digital and Material Technology of Stomatology, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China.
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14
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Martín-Guerrero SM, Casado P, Hijazi M, Rajeeve V, Plaza-Díaz J, Abadía-Molina F, Navascués J, Cuadros MA, Cutillas PR, Martín-Oliva D. PARP-1 activation after oxidative insult promotes energy stress-dependent phosphorylation of YAP1 and reduces cell viability. Biochem J 2020; 477:4491-4513. [PMID: 33146386 DOI: 10.1042/bcj20200525] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/26/2020] [Accepted: 11/04/2020] [Indexed: 12/22/2022]
Abstract
Poly(ADP-ribose) polymerase 1 (PARP-1) is a nuclear enzyme that catalyze the transfer of ADP-ribose units from NAD+ to several target proteins involved in cellular stress responses. Using WRL68 (HeLa derivate) cells, we previously showed that PARP-1 activation induced by oxidative stress after H2O2 treatment lead to depletion of cellular NAD+ and ATP, which promoted cell death. In this work, LC-MS/MS-based phosphoproteomics in WRL68 cells showed that the oxidative damage induced by H2O2 increased the phosphorylation of YAP1, a transcriptional co-activator involved in cell survival, and modified the phosphorylation of other proteins involved in transcription. Genetic or pharmacological inhibition of PARP-1 in H2O2-treated cells reduced YAP1 phosphorylation and degradation and increased cell viability. YAP1 silencing abrogated the protective effect of PARP-1 inhibition, indicating that YAP1 is important for the survival of WRL68 cells exposed to oxidative damage. Supplementation of NAD+ also reduced YAP1 phosphorylation, suggesting that the loss of cellular NAD+ caused by PARP-1 activation after oxidative treatment is responsible for the phosphorylation of YAP1. Finally, PARP-1 silencing after oxidative treatment diminished the activation of the metabolic sensor AMPK. Since NAD+ supplementation reduced the phosphorylation of some AMPK substrates, we hypothesized that the loss of cellular NAD+ after PARP-1 activation may induce an energy stress that activates AMPK. In summary, we showed a new crucial role of PARP-1 in the response to oxidative stress in which PARP-1 activation reduced cell viability by promoting the phosphorylation and degradation of YAP1 through a mechanism that involves the depletion of NAD+.
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Affiliation(s)
| | - Pedro Casado
- Signalling and Proteomics Group, Centre for Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, U.K
| | - Maruan Hijazi
- Signalling and Proteomics Group, Centre for Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, U.K
| | - Vinothini Rajeeve
- Signalling and Proteomics Group, Centre for Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, U.K
| | - Julio Plaza-Díaz
- Departamento de Bioquímica y Biología Molecular II, Facultad de Farmacia, Universidad de Granada, Granada, Spain
- Department of Pediatrics, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada
| | - Francisco Abadía-Molina
- Departamento de Biología Celular, Facultad de Ciencias, Universidad de Granada, Spain
- Instituto de Nutrición y Tecnología de los Alimentos 'José Mataix', Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Julio Navascués
- Departamento de Biología Celular, Facultad de Ciencias, Universidad de Granada, Spain
| | - Miguel A Cuadros
- Departamento de Biología Celular, Facultad de Ciencias, Universidad de Granada, Spain
| | - Pedro R Cutillas
- Signalling and Proteomics Group, Centre for Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, U.K
| | - David Martín-Oliva
- Departamento de Biología Celular, Facultad de Ciencias, Universidad de Granada, Spain
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15
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Wang N, Kong R, Han W, Lu J. Wnt/β-catenin signalling controls bile duct regeneration by regulating differentiation of ductular reaction cells. J Cell Mol Med 2020; 24:14050-14058. [PMID: 33124779 PMCID: PMC7754022 DOI: 10.1111/jcmm.16017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 08/27/2020] [Accepted: 09/29/2020] [Indexed: 12/14/2022] Open
Abstract
Recently, the incidence of bile duct‐related diseases continues to increase, and there is no effective drug treatment except liver transplantation. However, due to the limited liver source and expensive donations, clinical application is often limited. Although current studies have shown that ductular reaction cells (DRCs) reside in the vicinity of peribiliary glands can differentiate into cholangiocytes and would be an effective alternative to liver transplantation, the role and mechanism of DRCs in cholangiole physiology and bile duct injury remain unclear. A 3,5‐diethoxycarbonyl‐1,4‐dihydrocollidine (DDC)‐enriched diet was used to stimulate DRCs proliferation. Our research suggests DRCs are a type of intermediate stem cells with proliferative potential that exist in the bile duct injury. Meanwhile, DRCs have bidirectional differentiation potential, which can differentiate into hepatocytes and cholangiocytes. Furthermore, we found DRCs highly express Lgr5, and Lgr5 is a molecular marker for neonatal DRCs (P < .05). Finally, we confirmed Wnt/β‐catenin signalling achieves bile duct regeneration by regulating the expression of Lgr5 genes in DRCs (P < .05). We described the regenerative potential of DRCs and reveal opportunities and source for the treatment of cholestatic liver diseases.
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Affiliation(s)
- Nan Wang
- Department of Gastroenterology, Shanghai Tenth People's Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, China
| | - Rui Kong
- Department of Gastroenterology, Shanghai Tenth People's Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, China
| | - Wei Han
- Department of Gastroenterology, Shanghai Tenth People's Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, China
| | - Jie Lu
- Department of Gastroenterology, Shanghai Tenth People's Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, China
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16
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Zhang W, Kong Y. YAP is essential for TGF-β-induced retinal fibrosis in diabetic rats via promoting the fibrogenic activity of Müller cells. J Cell Mol Med 2020; 24:12390-12400. [PMID: 32951332 PMCID: PMC7686973 DOI: 10.1111/jcmm.15739] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 06/23/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022] Open
Abstract
The purpose of this study was to investigate whether Yes-associated protein (YAP) activation and proliferation of retinal Müller cells play a role in the development of TGF-β-induced retinal fibrosis. We studied the effects of YAP activation on retinal fibrosis in diabetic rats and human retinal Müller cells (hMCs) in vitro. The retinal expression of YAP and fibrogenic molecules in rats was detected using Western blotting and immunohistochemistry. After treatment with transforming growth factor-β1 (TGF-β1), the levels of fibrogenic molecules, and the activation of YAP and PI3K/Akt signalling pathway in hMCs were detected with Western blotting. The effect of YAP on retinal fibrotic changes was evaluated using YAP knockdown experiments and YAP inhibitors. Results showed that YAP expression was increased in the retina of diabetic rats along with increased retinal fibrosis. In cultured hMCs, YAP inhibition suppressed TGF-β1-stimulated hMC differentiation to myofibroblasts and extracellular matrix (ECM) production, while YAP activation promoted hMC differentiation and ECM production independent of TGF-β1. Furthermore, hMCs cultured on a gel with greater stiffness differentiated into myofibroblasts in a YAP-dependent manner. In diabetic rats, treatment with the YAP inhibitor verteporfin suppressed retinal fibrogenesis. In addition, the TGF-β1-induced PI3K/Akt signalling pathway mediated YAP activation as well as expression of fibrogenic molecules. The interaction between ECM stiffness and YAP forms a feed-forward process leading to retinal fibrosis. Our work highlights YAP as an essential regulator of pro-fibrotic responses in TGF-β-induced retinal fibrosis.
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Affiliation(s)
- Wei Zhang
- Tianjin Eye Hospital, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin Eye Institute, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China
| | - Yichun Kong
- Tianjin Eye Hospital, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin Eye Institute, Clinical College of Ophthalmology Tianjin Medical University, Tianjin, China.,Tianjin NanKai Hospital, NanKai Hospital, Tianjin Medical University, Nankai university affiliated Nankai hospital, Tianjin, China
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17
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Heng BC, Zhang X, Aubel D, Bai Y, Li X, Wei Y, Fussenegger M, Deng X. Role of YAP/TAZ in Cell Lineage Fate Determination and Related Signaling Pathways. Front Cell Dev Biol 2020; 8:735. [PMID: 32850847 PMCID: PMC7406690 DOI: 10.3389/fcell.2020.00735] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/15/2020] [Indexed: 12/11/2022] Open
Abstract
The penultimate effectors of the Hippo signaling pathways YAP and TAZ, are transcriptional co-activator proteins that play key roles in many diverse biological processes, ranging from cell proliferation, tumorigenesis, mechanosensing and cell lineage fate determination, to wound healing and regeneration. In this review, we discuss the regulatory mechanisms by which YAP/TAZ control stem/progenitor cell differentiation into the various major lineages that are of interest to tissue engineering and regenerative medicine applications. Of particular interest is the key role of YAP/TAZ in maintaining the delicate balance between quiescence, self-renewal, proliferation and differentiation of endogenous adult stem cells within various tissues/organs during early development, normal homeostasis and regeneration/healing. Finally, we will consider how increasing knowledge of YAP/TAZ signaling might influence the trajectory of future progress in regenerative medicine.
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Affiliation(s)
- Boon C. Heng
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, China
- Faculty of Science and Technology, Sunway University, Subang Jaya, Malaysia
| | - Xuehui Zhang
- Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, China
- National Engineering Laboratory for Digital and Material Technology of Stomatology, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, China
| | - Dominique Aubel
- IUTA Department Genie Biologique, Universite Claude Bernard Lyon 1, Villeurbanne, France
| | - Yunyang Bai
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Xiaochan Li
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yan Wei
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH-Zürich, Basel, Switzerland
| | - Xuliang Deng
- National Engineering Laboratory for Digital and Material Technology of Stomatology, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, China
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
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18
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Xue Y, Bhushan B, Mars WM, Bowen W, Tao J, Orr A, Stoops J, Yu Y, Luo J, Duncan AW, Michalopoulos GK. Phosphorylated Ezrin (Thr567) Regulates Hippo Pathway and Yes-Associated Protein (Yap) in Liver. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 190:1427-1437. [PMID: 32289287 PMCID: PMC10069283 DOI: 10.1016/j.ajpath.2020.03.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 02/20/2020] [Accepted: 03/26/2020] [Indexed: 12/18/2022]
Abstract
The activation of CD81 [the portal of entry of hepatitis C virus (HCV)] by agonistic antibody results in phosphorylation of Ezrin via Syk kinase and is associated with inactivation of the Hippo pathway and increase in yes-associated protein (Yap1). The opposite occurs when glypican-3 or E2 protein of HCV binds to CD81. Hepatocyte-specific glypican-3 transgenic mice have decreased levels of phosphorylated (p)-Ezrin (Thr567) and Yap, increased Hippo activity, and suppressed liver regeneration. The role of Ezrin in these processes has been speculated, but not proved. We show that Ezrin has a direct role in the regulation of Hippo pathway and Yap. Forced expression of plasmids expressing mutant Ezrin (T567D) that mimics p-Ezrin (Thr567) suppressed Hippo activity and activated Yap signaling in hepatocytes in vivo and enhanced activation of pathways of β-catenin and leucine rich repeat containing G protein-coupled receptor 4 (LGR4) and LGR5 receptors. Hepatoma cell lines JM1 and JM2 have decreased CD81 expression and Hippo activity and up-regulated p-Ezrin (T567). NSC668394, a p-Ezrin (Thr567) antagonist, significantly decreased hepatoma cell proliferation. We additionally show that p-Ezrin (T567) is controlled by epidermal growth factor receptor and MET. Ezrin phosphorylation, mediated by CD81-associated Syk kinase, is directly involved in regulation of Hippo pathway, Yap levels, and growth of normal and neoplastic hepatocytes. The finding has mechanistic and potentially therapeutic applications in hepatocyte growth biology, hepatocellular carcinoma, and HCV pathogenesis.
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Affiliation(s)
- Yuhua Xue
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Bharat Bhushan
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Wendy M Mars
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - William Bowen
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Junyan Tao
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Anne Orr
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - John Stoops
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yanping Yu
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jianhua Luo
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Andrew W Duncan
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
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19
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Wang X, Wang G, Qu J, Yuan Z, Pan R, Li K. Calcipotriol Inhibits NLRP3 Signal Through YAP1 Activation to Alleviate Cholestatic Liver Injury and Fibrosis. Front Pharmacol 2020; 11:200. [PMID: 32296329 PMCID: PMC7136474 DOI: 10.3389/fphar.2020.00200] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 02/14/2020] [Indexed: 12/13/2022] Open
Abstract
Cholestasis is common in multiple clinical circumstances. The NOD-like receptor protein 3 (NLRP3) inflammasome pathway has been demonstrated to play an important role in liver injury and fibrosis induced by cholestasis. We previously proved that MCC950, a selective NLRP3 inhibitor, alleviates liver fibrosis and injury in experimental liver cholestasis induced by bile-duct ligation (BDL) in mice. Herein, we investigate the role of calcipotriol, a potent vitamin D receptor agonist, in experimental liver cholestasis, test its therapeutic efficacy, and explore its potential protective mechanism. C57BL/6 mice were made to undergo BDL or fed the 0.1% 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) diet to establish two classic cholestatic models. Calcipotriol was administered intraperitoneally to these mice daily. Serum makers of liver damage and integrity, liver histological changes, levels of liver pro-fibrotic markers, bile acid synthetases and transporters were measured in vivo. The underlying mechanism by which calcipotriol alleviates cholestatic liver injury and fibrosis was further investigated. The results of the current study demonstrated that calcipotriol supplement significantly alleviate cholestatic liver injury and fibrosis. Moreover, calcipotriol supplement markedly inhibited NLRP3 inflammasome pathway activation to alleviate liver injury and fibrosis in vivo and inhibit hepatic stellate cell (HSC) activation in vitro. In addition, VDR agonist calcipotriol exert inhibitory effect on NLRP3 inflammasome activation through activating yes-associated protein 1 (YAP1). In conclusion, our findings proved that calcipotriol suppressed the NLRP3 signal by activating YAP1 to alleviate liver injury and retard fibrogenesis in cholestasis.
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Affiliation(s)
- Xiaopeng Wang
- Department of Biliary-Pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guiyang Wang
- The First Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Second Military Medical University, Shanghai, China
| | - Junwen Qu
- Department of Biliary-Pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhiqing Yuan
- Department of Biliary-Pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ruogu Pan
- Department of Biliary-Pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Kewei Li
- Department of Biliary-Pancreatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Cell Interactions in Biliary Diseases: Clues from Pathophysiology and Repair Mechanisms to Foster Early Assessment. Int J Mol Sci 2019; 20:ijms20163961. [PMID: 31416247 PMCID: PMC6719930 DOI: 10.3390/ijms20163961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 08/13/2019] [Indexed: 11/26/2022] Open
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