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Emmerich F, Zschiedrich S, Reichenbach-Braun C, Süsal C, Minguet S, Pauly MC, Seidl M. Low Pre-Transplant Caveolin-1 Serum Concentrations Are Associated with Acute Cellular Tubulointerstitial Rejection in Kidney Transplantation. Molecules 2021; 26:molecules26092648. [PMID: 33946587 PMCID: PMC8125494 DOI: 10.3390/molecules26092648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/17/2021] [Accepted: 04/26/2021] [Indexed: 01/20/2023] Open
Abstract
Acute and chronic transplant rejections due to alloreactivity are essential contributors to graft loss. However, the strength of alloreactivity is biased by non-immunological factors such as ischemia reperfusion injury (IRI). Accordingly, protection from IRI could be favorable in terms of limiting graft rejection. Caveolin-1 (Cav-1) is part of the cell membrane and an important regulator of intracellular signaling. Cav-1 has been demonstrated to limit IRI and to promote the survival of a variety of cell types including renal cells under stress conditions. Accordingly, Cav-1 could also play a role in limiting anti-graft immune responses. Here, we evaluated a possible association between pre-transplant serum concentrations of Cav-1 and the occurrence of rejection during follow-up in a pilot study. Therefore, Cav-1-serum concentrations were analyzed in 91 patients at the time of kidney transplantation and compared to the incidence of acute and chronic rejection. Higher Cav-1 levels were associated with lower occurrence of acute cellular tubulointerstitial rejection episodes.
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Affiliation(s)
- Florian Emmerich
- Institute for Transfusion Medicine and Gene Therapy, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (C.R.-B.); (M.-C.P.)
- Correspondence: ; Tel.: +49-761-270-34710
| | - Stefan Zschiedrich
- Nephrology, Department of Internal Medicine, Bürgerspital Solothurn, 4500 Solothurn, Switzerland;
- Department of Medicine, Renal Division, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany
| | - Christine Reichenbach-Braun
- Institute for Transfusion Medicine and Gene Therapy, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (C.R.-B.); (M.-C.P.)
| | - Caner Süsal
- Institute of Immunology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
| | - Susana Minguet
- Signaling Research Centres BIOSS and CIBSS, Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany;
- Centre for Chronic Immunodeficiency (CCI), Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Marie-Christin Pauly
- Institute for Transfusion Medicine and Gene Therapy, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (C.R.-B.); (M.-C.P.)
| | - Maximilian Seidl
- Institute for Surgical Pathology, Medical Center, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany;
- Institute of Pathology, Heinrich-Heine University and University Hospital of Düsseldorf, 40225 Düsseldorf, Germany
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2
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Zhang C, Huang H, Zhang J, Wu Q, Chen X, Huang T, Li W, Liu Y, Zhang J. Caveolin-1 promotes invasion and metastasis by upregulating Pofut1 expression in mouse hepatocellular carcinoma. Cell Death Dis 2019; 10:477. [PMID: 31209283 PMCID: PMC6572835 DOI: 10.1038/s41419-019-1703-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/23/2019] [Accepted: 05/27/2019] [Indexed: 12/14/2022]
Abstract
Caveolin-1 (Cav-1) is an important structural protein of caveolae and plays an oncogene-like role by influencing protein glycosylation in hepatocellular carcinoma (HCC) cells. However, the mechanism by which Cav-1 promotes invasion and metastasis capacity has not been completely clarified. In this study, we demonstrate that Pofut1 is a fucosyltransferase induced by Cav-1. Mouse Hepa1-6 HCC cells lacking Cav-1 expression exhibited low transcription levels of Pofut1, whereas strong Pofut1 expression was found in high-metastasis-potential Hca-F cells with high levels of Cav-1. Cav-1 activated MAPK signaling and promoted phosphorylation of the transcription factors CREB, Sp1, HNF4A and c-Myc, which bound to the Pofut1 promoter region to induce its transcription. As Notch signaling receptors can be modified with O-fucose by Pofut1, we further showed that Cav-1-induced upregulation of Pofut1 expression activated the Notch pathway and thus enhanced invasion and metastasis by mouse HCC cells in vitro and in vivo. Collectively, our findings reveal a novel mechanism by which Cav-1 promotes tumor metastasis by upregulating expression of Pofut1, suggesting that Cav-1 may function as a new biomarker for HCC.
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Affiliation(s)
- Cheng Zhang
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China
| | - Huang Huang
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China
| | - Junshi Zhang
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China
| | - Qiong Wu
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China
| | - Xixi Chen
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China
| | - Tianmiao Huang
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China
| | - Wenli Li
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China.,School of Life Science & Biotechnology, Dalian University of Technology, Dalian, China
| | - Yubo Liu
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China.
| | - Jianing Zhang
- School of Life Science & Medicine, Dalian University of Technology, Panjin, China.
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Mao X, Wong SYS, Tse EYT, Ko FCF, Tey SK, Yeung YS, Man K, Lo RCL, Ng IOL, Yam JWP. Mechanisms through Which Hypoxia-Induced Caveolin-1 Drives Tumorigenesis and Metastasis in Hepatocellular Carcinoma. Cancer Res 2016; 76:7242-7253. [PMID: 27784747 DOI: 10.1158/0008-5472.can-16-1031] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 09/24/2016] [Accepted: 10/21/2016] [Indexed: 11/16/2022]
Abstract
In solid tumors, hypoxia triggers an aberrant vasculogenesis, enhances malignant character, and elevates metastatic risk. The plasma membrane organizing protein caveolin-1 (Cav1) is increased in a variety of cancers, including hepatocellular carcinoma (HCC), where it contributes to metastatic capability. However, the reason for elevation of Cav1 in tumor cells and the mechanistic basis for its contributions to metastatic risk are not fully understood. Here, we show that in HCC cells, hypoxia elevates expression of Cav1, which then acts through the calcium-binding protein S100P to promote metastasis. Hypoxic regions of HCC xenografts displayed elevated expression of Cav1. Hypoxia promoted HCC cell migration and invasion and distant pulmonary metastases, whereas Cav1 silencing abolished these effects. Gene expression profiling revealed that hypoxia-induced Cav1 functioned as a positive regulator of S100P via activation of the NF-κB pathway. S100P elevation under hypoxic conditions was abrogated by silencing of Cav1 or NF-κB function. Conversely, restoring S100P in Cav1-silenced cells rescued the migratory potential of HCC cells along with tumor formation and lung metastasis. In clinical specimens of HCC, we observed S100P overexpression to correlate with venous invasion, microsatellites, direct liver invasion, and absence of tumor encapsulation. Collectively, our findings demonstrated how hypoxia-induced expression of Cav1 in HCC cells enhances their invasive and metastatic potential. Cancer Res; 76(24); 7242-53. ©2016 AACR.
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Affiliation(s)
- Xiaowen Mao
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Sivia Yuen Sze Wong
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Edith Yuk Ting Tse
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Frankie Chi Fat Ko
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Sze Keong Tey
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Yin Shan Yeung
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Kwan Man
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Regina Cheuk-Lam Lo
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong.,Centre for Cancer Research, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Irene Oi-Lin Ng
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong.,Centre for Cancer Research, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong.,State Key Laboratory for Liver Research, The University of Hong Kong, Hong Kong
| | - Judy Wai Ping Yam
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong. .,Centre for Cancer Research, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong.,State Key Laboratory for Liver Research, The University of Hong Kong, Hong Kong
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4
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Caveolin-1 Function in Liver Physiology and Disease. Trends Mol Med 2016; 22:889-904. [DOI: 10.1016/j.molmed.2016.08.007] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 08/14/2016] [Accepted: 08/17/2016] [Indexed: 12/18/2022]
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Gupta R, Toufaily C, Annabi B. Caveolin and cavin family members: dual roles in cancer. Biochimie 2014; 107 Pt B:188-202. [PMID: 25241255 DOI: 10.1016/j.biochi.2014.09.010] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 09/04/2014] [Indexed: 12/16/2022]
Abstract
Caveolae are specialized plasma membrane subdomains with distinct lipid and protein compositions, which play an essential role in cell physiology through regulation of trafficking and signaling functions. The structure and functions of caveolae have been shown to require the proteins caveolins. Recently, members of the cavin protein family were found to be required, in concert with caveolins, for the formation and function of caveolae. Caveolins have a paradoxical role in the development of cancer formation. They have been involved in both tumor suppression and oncogenesis, depending on tumor type and progress stage. High expression of caveolins and cavins leads to inhibition of cancer-related pathways, such as growth factor signaling pathways. However, certain cancer cells that express caveolins and cavins have been shown to be more aggressive and metastatic because of their increased potential for anchorage-independent growth. Here, we will survey the functional roles of caveolins and of different cavin family members in cancer regulation.
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Affiliation(s)
- Reshu Gupta
- Laboratoire d'Oncologie Moléculaire, Centre de Recherche BioMed, Département de Chimie, Université du Québec à Montréal, Québec H3C 3P8, Canada.
| | - Chirine Toufaily
- Laboratoire d'Oncologie Moléculaire, Centre de Recherche BioMed, Département de Chimie, Université du Québec à Montréal, Québec H3C 3P8, Canada
| | - Borhane Annabi
- Laboratoire d'Oncologie Moléculaire, Centre de Recherche BioMed, Département de Chimie, Université du Québec à Montréal, Québec H3C 3P8, Canada
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6
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Liang W, Hao Z, Han JL, Zhu DJ, Jin ZF, Xie WL. CAV-1 contributes to bladder cancer progression by inducing epithelial-to-mesenchymal transition. Urol Oncol 2014; 32:855-63. [DOI: 10.1016/j.urolonc.2014.01.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Revised: 01/07/2014] [Accepted: 01/08/2014] [Indexed: 02/03/2023]
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7
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Caveolin-1 up-regulates integrin α2,6-sialylation to promote integrin α5β1-dependent hepatocarcinoma cell adhesion. FEBS Lett 2013; 587:782-7. [PMID: 23416306 DOI: 10.1016/j.febslet.2013.02.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Revised: 02/01/2013] [Accepted: 02/03/2013] [Indexed: 11/20/2022]
Abstract
The alterations of integrin glycosylation play a crucial role in tumor metastasis. Our previous studies indicated that caveolin-1 promoted the expression of the key α2,6-sialytransferase ST6Gal-I and fibronectin-mediated adhesion of mouse hepatocarcinoma cell. Herein, we investigated the role of α2,6-sialylated α5-integrin in the adhesion of mouse hepatocarcinoma H22 cell. We demonstrated that caveolin-1 up-regulated cell surface α2,6-linked sialic acid via stimulating ST6Gal-I transcription. Cell surface α2,6-sialylation was required for integrin α5β1-dependent cell adhesion to fibronectin, and an increase in α2,6-linked sialic acid on α5-subunit facilitated fibronectin-mediated focal adhesion kinase phosphorylations, suggesting that α2,6-sialylated α5-subunit promoted integrin α5β1-dependent cell adhesion.
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8
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Yu S, Zhang L, Li N, Fan J, Liu L, Zhang J, Wang S. Caveolin-1 up-regulates ST6Gal-I to promote the adhesive capability of mouse hepatocarcinoma cells to fibronectin via FAK-mediated adhesion signaling. Biochem Biophys Res Commun 2012; 427:506-12. [PMID: 23022190 DOI: 10.1016/j.bbrc.2012.09.086] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 09/14/2012] [Indexed: 12/24/2022]
Abstract
Caveolin-1 is a major structural protein of caveolae and plays important functions in tumorigenesis and development. Hca-F and Hepa1-6 are mouse hepatocarcinoma cell lines with high and low malignant potential, respectively. Our previous studies revealed that caveolin-1 promoted cell invasion by up-regulating the glycosylation of matrix metalloproteinase inducer CD147 of Hepa1-6 and Hca-F cells. However, the roles of caveolin-1 in cell-ECM adhesion and the mechanisms involved remain unknown. This study showed that caveolin-1 overexpression in Hepa1-6 cells up-regulated sialyltransferase ST6Gal-I expression and activated FAK-mediated adhesion signaling, and down-regulation of ST6Gal-I attenuated caveolin-1-induced increase in the adhesive ability of Hepa1-6 cells to fibronectin. Conversely, caveolin-1 knockdown in Hca-F cells inhibited ST6Gal-I expression and FAK signaling-mediated cell adhesion to fibronectin. Re-expression of wild-type caveolin-1 or ST6Gal-I rescued the decreased ST6Gal-I expression and adhesion of Hca-F cells caused by caveolin-1 silencing. Further studies indicated that caveolin-1 might regulate ST6Gal-I expression through caveolin-1 scaffolding domain. Taken together, these results demonstrate for the first time that caveolin-1 can up-regulate ST6Gal-I expression and further contribute to promoting mouse hepatocarcinoma cell adhesion to fibronectin by activating FAK-mediated adhesion signaling.
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Affiliation(s)
- Shengjin Yu
- Department of Biochemistry, Institute of Glycobiology, Dalian Medical University, Dalian 116044, Liaoning Province, China
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9
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Wang S, Yu S, Shi W, Ge L, Yu X, Fan J, Zhang J. Curcumin inhibits the migration and invasion of mouse hepatoma Hca-F cells through down-regulating caveolin-1 expression and epidermal growth factor receptor signaling. IUBMB Life 2012; 63:775-82. [PMID: 22362715 DOI: 10.1002/iub.507] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Mouse hepatoma cellular carinoma cell line (Hca-F) cells have highly invasive and lymphatic metastasis potential in vitro and in vivo. Curcumin (diferuloylmethane) is an active component of the spice turmeric and has a diversity of antitumor activities. However, there is no available information to address the effects of curcumin on migration and invasion of mouse hepatoma Hca-F cells. In this study, we found that curcumin exerted a concentration- and time-dependent inhibitory effect on the migration and invasion of Hca-F cells in vitro. Curcumin inhibited the expression of the tumor promoter caveolin-1 (Cav-1) in Hca-F cells. Up-regulation of Cav-1 expression by pcDNA3.1/Cav-1 plasmid was able to reverse the curcumin-induced antimigration and anti-invasion effects in vitro. Curcumin down-regulated the expression of cluster of differntiation (CD)147, matrix metalloproteinase 2, and matrix metalloproteinase 9 and inhibited the phosphorylation of epidermal growth factor receptor (EGFR), the phosphoinositilde 3-kinase (PI3K)/protein kinase B (Akt), p38 mitogen-activated protein kinase (MAPK), and p44/42MAPK in Hca-F cells. Taken together, our findings suggest that curcumin can suppress the migratory and invasive ability of mouse hepatoma Hca-F cells, and this action is mediated through a novel mechanism involving inactivation of Cav-1 and EGFR signaling pathways.
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Affiliation(s)
- Shujing Wang
- Department of Biochemistry, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
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10
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Abstract
Caveolins (Cavs) are integrated plasma membrane proteins that are complex signaling regulators with numerous partners and whose activity is highly dependent on cellular context. Cavs are both positive and negative regulators of cell signaling in and/or out of caveolae, invaginated lipid raft domains whose formation is caveolin expression dependent. Caveolins and rafts have been implicated in membrane compartmentalization; proteins and lipids accumulate in these membrane microdomains where they transmit fast, amplified and specific signaling cascades. The concept of plasma membrane organization within functional rafts is still in exploration and sometimes questioned. In this chapter, we discuss the opposing functions of caveolin in cell signaling regulation focusing on the role of caveolin both as a promoter and inhibitor of different signaling pathways and on the impact of membrane domain localization on caveolin functionality in cell proliferation, survival, apoptosis and migration.
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Mayoral R, Valverde ÁM, Llorente Izquierdo C, González-Rodríguez Á, Boscá L, Martín-Sanz P. Impairment of transforming growth factor beta signaling in caveolin-1-deficient hepatocytes: role in liver regeneration. J Biol Chem 2010; 285:3633-3642. [PMID: 19966340 PMCID: PMC2823504 DOI: 10.1074/jbc.m109.072900] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Caveolin-1 (Cav-1) is the main structural protein of caveolae and plays an important role in various cellular processes such as vesicular transport, cholesterol homeostasis, and signal transduction pathways. The expression and functional role of Cav-1 have been reported in liver and in hepatocyte cell lines, in human cirrhotic liver, and in hepatocellular carcinomas. Previous studies demonstrated that Cav-1 was dispensable for liver regeneration, because Cav-1(-/-) animals survived and fully regenerated liver function and size after partial hepatectomy. In this study, we have investigated the mechanisms by which the lack of Cav-1 accelerates liver regeneration after partial hepatectomy. The data show that transforming growth factor beta (TGF-beta) signaling is impaired in regenerating liver of Cav-1(-/-) mice and in hepatocytes derived from these animals. TGF-beta receptors I and II do not colocalize in the same membrane fraction in the hepatocytes derived from Cav-1(-/-) mice, as Smad2/3 signaling decreased in the absence of Cav-1 at the time that the transcriptional corepressor SnoN accumulates. Accordingly, the expression of TGF-beta target genes, such as plasminogen activator inhibitor-1, is decreased due to the presence of the high levels of SnoN. Moreover, hepatocyte growth factor inhibited TGF-beta signaling in the absence of Cav-1 by increasing SnoN expression. Taken together, these data might help to unravel why Cav-1-deficient mice exhibit an accelerated liver regeneration after partial hepatectomy and add new insights on the molecular mechanisms controlling the initial commitment to hepatocyte proliferation.
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Affiliation(s)
- Rafael Mayoral
- From the Instituto de Investigaciones Biomédicas "Alberto Sols," Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid; the Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Villarroel 170, 08036 Barcelona, and
| | - Ángela M Valverde
- From the Instituto de Investigaciones Biomédicas "Alberto Sols," Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid; the Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Mallorca 183, 08036 Barcelona, Spain
| | - Cristina Llorente Izquierdo
- From the Instituto de Investigaciones Biomédicas "Alberto Sols," Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid
| | - Águeda González-Rodríguez
- From the Instituto de Investigaciones Biomédicas "Alberto Sols," Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid; the Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Mallorca 183, 08036 Barcelona, Spain
| | - Lisardo Boscá
- From the Instituto de Investigaciones Biomédicas "Alberto Sols," Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid; the Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Villarroel 170, 08036 Barcelona, and
| | - Paloma Martín-Sanz
- From the Instituto de Investigaciones Biomédicas "Alberto Sols," Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid; the Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Villarroel 170, 08036 Barcelona, and.
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