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Royo F, Garcia-Vallicrosa C, Azparren-Angulo M, Bordanaba-Florit G, Lopez-Sarrio S, Falcon-Perez JM. Three-Dimensional Hepatocyte Spheroids: Model for Assessing Chemotherapy in Hepatocellular Carcinoma. Biomedicines 2024; 12:1200. [PMID: 38927406 PMCID: PMC11201042 DOI: 10.3390/biomedicines12061200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/13/2024] [Accepted: 05/22/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Three-dimensional cellular models provide a more comprehensive representation of in vivo cell properties, encompassing physiological characteristics and drug susceptibility. METHODS Primary hepatocytes were seeded in ultra-low attachment plates to form spheroids, with or without tumoral cells. Spheroid structure, cell proliferation, and apoptosis were analyzed using histological staining techniques. In addition, extracellular vesicles were isolated from conditioned media by differential ultracentrifugation. Spheroids were exposed to cytotoxic drugs, and both spheroid growth and cell death were measured by microscopic imaging and flow cytometry with vital staining, respectively. RESULTS Concerning spheroid structure, an active outer layer forms a boundary with the media, while the inner core comprises a mass of cell debris. Hepatocyte-formed spheroids release vesicles into the extracellular media, and a decrease in the concentration of vesicles in the culture media can be observed over time. When co-cultured with tumoral cells, a distinct distribution pattern emerges over the primary hepatocytes, resulting in different spheroid conformations. Tumoral cell growth was compromised upon antitumoral drug challenges. CONCLUSIONS Treatment of mixed spheroids with different cytotoxic drugs enables the characterization of drug effects on both hepatocytes and tumoral cells, determining drug specificity effects on these cell types.
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Affiliation(s)
- Felix Royo
- Exosomes Laboratory and Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (C.G.-V.); (M.A.-A.); (G.B.-F.); (S.L.-S.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
| | - Clara Garcia-Vallicrosa
- Exosomes Laboratory and Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (C.G.-V.); (M.A.-A.); (G.B.-F.); (S.L.-S.)
| | - Maria Azparren-Angulo
- Exosomes Laboratory and Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (C.G.-V.); (M.A.-A.); (G.B.-F.); (S.L.-S.)
| | - Guillermo Bordanaba-Florit
- Exosomes Laboratory and Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (C.G.-V.); (M.A.-A.); (G.B.-F.); (S.L.-S.)
| | - Silvia Lopez-Sarrio
- Exosomes Laboratory and Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (C.G.-V.); (M.A.-A.); (G.B.-F.); (S.L.-S.)
| | - Juan Manuel Falcon-Perez
- Exosomes Laboratory and Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (C.G.-V.); (M.A.-A.); (G.B.-F.); (S.L.-S.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
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Pessino G, Scotti C, Maggi M, Immuno-Hub Consortium. Hepatocellular Carcinoma: Old and Emerging Therapeutic Targets. Cancers (Basel) 2024; 16:901. [PMID: 38473265 DOI: 10.3390/cancers16050901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Liver cancer, predominantly hepatocellular carcinoma (HCC), globally ranks sixth in incidence and third in cancer-related deaths. HCC risk factors include non-viral hepatitis, alcohol abuse, environmental exposures, and genetic factors. No specific genetic alterations are unequivocally linked to HCC tumorigenesis. Current standard therapies include surgical options, systemic chemotherapy, and kinase inhibitors, like sorafenib and regorafenib. Immunotherapy, targeting immune checkpoints, represents a promising avenue. FDA-approved checkpoint inhibitors, such as atezolizumab and pembrolizumab, show efficacy, and combination therapies enhance clinical responses. Despite this, the treatment of hepatocellular carcinoma (HCC) remains a challenge, as the complex tumor ecosystem and the immunosuppressive microenvironment associated with it hamper the efficacy of the available therapeutic approaches. This review explores current and advanced approaches to treat HCC, considering both known and new potential targets, especially derived from proteomic analysis, which is today considered as the most promising approach. Exploring novel strategies, this review discusses antibody drug conjugates (ADCs), chimeric antigen receptor T-cell therapy (CAR-T), and engineered antibodies. It then reports a systematic analysis of the main ligand/receptor pairs and molecular pathways reported to be overexpressed in tumor cells, highlighting their potential and limitations. Finally, it discusses TGFβ, one of the most promising targets of the HCC microenvironment.
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Affiliation(s)
- Greta Pessino
- Unit of Immunology and General Pathology, Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy
| | - Claudia Scotti
- Unit of Immunology and General Pathology, Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy
| | - Maristella Maggi
- Unit of Immunology and General Pathology, Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy
| | - Immuno-Hub Consortium
- Unit of Immunology and General Pathology, Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy
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Rico Montanari N, Anugwom CM, Boonstra A, Debes JD. The Role of Cytokines in the Different Stages of Hepatocellular Carcinoma. Cancers (Basel) 2021; 13:cancers13194876. [PMID: 34638361 PMCID: PMC8508513 DOI: 10.3390/cancers13194876] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 12/17/2022] Open
Abstract
Simple Summary Non-homeostatic cytokine expression during hepatocellular carcinogenesis, together with simple and inexpensive cytokine detection techniques, has opened up its use as potential biomarkers, from cancer detection to prognosis. However, carcinogenic programs during cancer progression are not linear. Therefore, cytokines with prognostic potential in one stage may not be relevant in another. Here, we reviewed cytokines with clinical potential in different settings during hepatocellular carcinoma progression. Abstract Hepatocellular carcinoma (HCC) is the primary form of liver cancer and a leading cause of cancer-related death worldwide. Early detection remains the most effective strategy in HCC management. However, the spectrum of underlying liver diseases preceding HCC, its genetic complexity, and the lack of symptomatology in early stages challenge early detection. Regardless of underlying etiology, unresolved chronic inflammation is a common denominator in HCC. Hence, many inflammatory molecules, including cytokines, have been investigated as potential biomarkers to predict different stages of HCC. Soluble cytokines carry cell-signaling functions and are easy to detect in the bloodstream. However, its biomarkers’ role remains limited due to the dysregulation of immune parameters related to the primary liver process and their ability to differentiate carcinogenesis from the underlying disease. In this review, we discuss and provide insight on cytokines with clinical relevance for HCC differentiating those implicated in tumor formation, early detection, advanced disease, and response to therapy.
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Affiliation(s)
- Noe Rico Montanari
- Department of Medicine, Division of Gastroenterology & Division of Infectious Disease, University of Minnesota, Minneapolis, MN 55455, USA; (N.R.M.); (C.M.A.)
- Department of Gastroenterology and Hepatology, Erasmus MC, 3015 CE Rotterdam, The Netherlands;
| | - Chimaobi M. Anugwom
- Department of Medicine, Division of Gastroenterology & Division of Infectious Disease, University of Minnesota, Minneapolis, MN 55455, USA; (N.R.M.); (C.M.A.)
- Health Partners Digestive Care, Saint Paul, MN 55130, USA
| | - Andre Boonstra
- Department of Gastroenterology and Hepatology, Erasmus MC, 3015 CE Rotterdam, The Netherlands;
| | - Jose D. Debes
- Department of Medicine, Division of Gastroenterology & Division of Infectious Disease, University of Minnesota, Minneapolis, MN 55455, USA; (N.R.M.); (C.M.A.)
- Department of Gastroenterology and Hepatology, Erasmus MC, 3015 CE Rotterdam, The Netherlands;
- Correspondence:
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Wang H, Yang J, Zhang K, Liu J, Li Y, Su W, Song N. Advances of Fibroblast Growth Factor/Receptor Signaling Pathway in Hepatocellular Carcinoma and its Pharmacotherapeutic Targets. Front Pharmacol 2021; 12:650388. [PMID: 33935756 PMCID: PMC8082422 DOI: 10.3389/fphar.2021.650388] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/11/2021] [Indexed: 12/12/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a type of primary liver cancer with poor prognosis, and its incidence and mortality rate are increasing worldwide. It is refractory to conventional chemotherapy and radiotherapy owing to its high tumor heterogeneity. Accumulated genetic alterations and aberrant cell signaling pathway have been characterized in HCC. The fibroblast growth factor (FGF) family and their receptors (FGFRs) are involved in diverse biological activities, including embryonic development, proliferation, differentiation, survival, angiogenesis, and migration, etc. Data mining results of The Cancer Genome Atlas demonstrate high levels of FGF and/or FGFR expression in HCC tumors compared with normal tissues. Moreover, substantial evidence indicates that the FGF/FGFR signaling axis plays an important role in various mechanisms that contribute to HCC development. At present, several inhibitors targeting FGF/FGFR, such as multikinase inhibitors, specific FGFR4 inhibitors, and FGF ligand traps, exhibit antitumor activity in preclinical or early development phases in HCC. In this review, we summarize the research progress regarding the molecular implications of FGF/FGFR-mediated signaling and the development of FGFR-targeted therapeutics in hepatocarcinogenesis.
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Affiliation(s)
- Haijun Wang
- Key Laboratory of Clinical Molecular Pathology, Department of Pathology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China.,School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Jie Yang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Ke Zhang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Jia Liu
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Yushan Li
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Wei Su
- Key Laboratory of Clinical Molecular Pathology, Department of Pathology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Na Song
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China.,Institute of Precision Medicine, Xinxiang Medical University, Xinxiang, China
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Bevacizumab Augments the Antitumor Efficacy of Infigratinib in Hepatocellular Carcinoma. Int J Mol Sci 2020; 21:ijms21249405. [PMID: 33321903 PMCID: PMC7764786 DOI: 10.3390/ijms21249405] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 12/30/2022] Open
Abstract
The fibroblast growth factor (FGF) signaling cascade is one of the key signaling pathways in hepatocellular carcinoma (HCC). FGF has been shown to augment vascular endothelial growth factor (VEGF)-mediated HCC development and angiogenesis, as well as to potentially lead to resistance to VEGF/VEGF receptor (VEGFR)-targeted agents. Thus, novel agents targeting FGF/FGF receptor (FGFR) signaling may enhance and/or overcome de novo or acquired resistance to VEGF-targeted agents in HCC. Mice bearing high- and low-FGFR tumors were treated with Infigratinib (i.e., a pan-FGFR kinase inhibitor) and/or Bevacizumab (i.e., an angiogenesis inhibitor). The antitumor activity of both agents was assessed individually or in combination. Tumor vasculature, intratumoral hypoxia, and downstream targets of FGFR signaling pathways were also investigated. Infigratinib, when combined with Bevacizumab, exerted a synergistic inhibitory effect on tumor growth, invasion, and lung metastasis, and it significantly improved the overall survival of mice bearing FGFR-dependent HCC. Infigratinib/Bevacizumab promoted apoptosis, inhibited cell proliferation concomitant with upregulation of p27, and reduction in the expression of FGFR2-4, p-FRS-2, p-ERK1/2, p-p70S6K/4EBP1, Cdc25C, survivin, p-Cdc2, and p-Rb. Combining Infigratinib/Bevacizumab may provide therapeutic benefits for a subpopulation of HCC patients with FGFR-dependent tumors. A high level of FGFR-2/3 may serve as a potential biomarker for patient selection to Infigratinib/Bevacizumab.
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Jun BG, Lee WC, Jang JY, Jeong SW, Chang Y, Lee SH, Kim YD, Kim SG, Cheon GJ, Kim YS, Kim HS, Jin SY. Relation of fibroblast growth factor receptor 2 expression to hepatocellular carcinoma recurrence after liver resection. PLoS One 2020; 15:e0227440. [PMID: 31940413 PMCID: PMC6961981 DOI: 10.1371/journal.pone.0227440] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 12/18/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) recurrence after liver resection depends upon the stage and histological grade of the tumor and the expression of certain biomarkers. However, it remains unclear which of these factors has the highest predictive value regarding HCC recurrence after surgical resection. METHODS This study investigated the associations among clinicopathological characteristics, expression of biomarkers, and HCC recurrence after liver resection. Fifty-four patients having undergone liver resection for HCC were enrolled prospectively, and their data were analyzed retrospectively. Evaluated variables were clinical data, laboratory findings, modified Union for International Cancer Control (UICC) stage, vascular invasion, histological differentiation, and immunohistochemical staining for fibroblast growth factor receptor 2 (FGFR2), vascular endothelial growth factor, and tumor-necrosis-factor-related apoptosis-inducing ligand receptors 1 and 2. RESULTS Mean patient age was 58.6 years (range, 30-71), and the mean and SD for follow-up duration were 51.2 ± 34.8 months. Cumulative 1-, 3-, and 5-year recurrence rates were 32.9%, 53.6%, and 68.1%, respectively. In univariate analysis, FGFR2 (p = 0.026) and Edmonson-Steiner grade (E-S grade) (p = 0.030) were associated with recurrence after resection in HCC patients. In multivariate analyses, increased FGFR2 expression (p = 0.017) was the only significant predictor of HCC recurrence. CONCLUSIONS High FGFR2 expression had marginal association with poor E-S grade (p = 0.056). More intensive surveillance of HCC recurrence is warranted in HCC patients with increased FGFR2 expression.
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Affiliation(s)
- Baek Gyu Jun
- Department of Internal Medicine, University of Ulsan College of Medicine, Gangneung Asan Hospital, Gangneung, South Korea
| | - Woong Cheul Lee
- Institute for Digestive Research, Digestive Disease Center, Department of Internal Medicine, College of Medicine, Soonchunhyang University, Seoul, Korea
| | - Jae Young Jang
- Institute for Digestive Research, Digestive Disease Center, Department of Internal Medicine, College of Medicine, Soonchunhyang University, Seoul, Korea
| | - Soung Won Jeong
- Institute for Digestive Research, Digestive Disease Center, Department of Internal Medicine, College of Medicine, Soonchunhyang University, Seoul, Korea
| | - Young Chang
- Institute for Digestive Research, Digestive Disease Center, Department of Internal Medicine, College of Medicine, Soonchunhyang University, Seoul, Korea
| | - Sae Hwan Lee
- Department of Internal Medicine, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Young don Kim
- Department of Internal Medicine, University of Ulsan College of Medicine, Gangneung Asan Hospital, Gangneung, South Korea
| | - Sang Gyune Kim
- Department of Internal Medicine, College of Medicine, Soonchunhyang University, Bucheon, Korea
| | - Gab Jin Cheon
- Department of Internal Medicine, University of Ulsan College of Medicine, Gangneung Asan Hospital, Gangneung, South Korea
| | - Young Seok Kim
- Department of Internal Medicine, College of Medicine, Soonchunhyang University, Bucheon, Korea
| | - Hong Soo Kim
- Department of Internal Medicine, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - So Young Jin
- Department of Pathology, College of Medicine, Soonchunhyang University, Seoul, Korea
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7
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Rikhi RR, Spady KK, Hoffman RI, Bateman MS, Bateman M, Howard LE. Hepatoblastoma: A Need for Cell Lines and Tissue Banks to Develop Targeted Drug Therapies. Front Pediatr 2016; 4:22. [PMID: 27047905 PMCID: PMC4800278 DOI: 10.3389/fped.2016.00022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 03/07/2016] [Indexed: 12/11/2022] Open
Abstract
Limited research exists regarding the most aggressive forms of hepatoblastoma. Cell lines of the rare subtypes of hepatoblastoma with poor prognosis are not only difficult to attain but also challenging to characterize histologically. A community-driven approach to educating parents and families, regarding the need for donated tissue, is necessary for scientists to have access to resources for murine models and drug discovery. Herein, we describe the currently available resources, existing gaps in research, and the path to move forward for uniform cure of hepatoblastoma.
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Affiliation(s)
- Rishi Raj Rikhi
- Children's Cancer Therapy Development Institute , Beaverton, OR , USA
| | - Kimberlee K Spady
- Faculty of the 2015 Pediatric Cancer Biology Nanocourse, Children's Cancer Therapy Development Institute , Fort Collins, CO , USA
| | - Ruth I Hoffman
- Faculty of the 2015 Pediatric Cancer Biology Nanocourse, Children's Cancer Therapy Development Institute , Fort Collins, CO , USA
| | - Michael S Bateman
- Faculty of the 2015 Pediatric Cancer Biology Nanocourse, Children's Cancer Therapy Development Institute , Fort Collins, CO , USA
| | - Max Bateman
- Faculty of the 2015 Pediatric Cancer Biology Nanocourse, Children's Cancer Therapy Development Institute , Fort Collins, CO , USA
| | - Lisa Easom Howard
- Faculty of the 2015 Pediatric Cancer Biology Nanocourse, Children's Cancer Therapy Development Institute , Fort Collins, CO , USA
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Abstract
Fibroblast growth factors, or FGFs, are a large family of polypeptide cytokines exhibiting a pleiotropy of functions, from cell growth to angiogenesis, wound healing, and tissue repair. This review broadly covers the genetics and protein expression of the FGF family members and the signaling pathways involved in FGF-mediated growth regulation. We emphasize the role of FGFs in the pathogenesis of hepatocellular carcinoma (HCC), including their effects on regulation of the tumor microenvironment and angiogenesis. Finally, we present current views on FGF's potential role as a prognostic marker in clinical practice, as well as its potential as a therapeutic target in HCC.
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Affiliation(s)
- Dalbir S. Sandhu
- Division of Gastroenterology and Hepatology; University of Iowa Hospitals and Clinics; Iowa City IA
| | - Esha Baichoo
- Division of Gastroenterology and Hepatology and Mayo Clinic Cancer Center, College of Medicine; Mayo Clinic; Rochester MN
| | - Lewis R. Roberts
- Division of Gastroenterology and Hepatology and Mayo Clinic Cancer Center, College of Medicine; Mayo Clinic; Rochester MN
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Wang L, Park H, Chhim S, Ding Y, Jiang W, Queen C, Kim KJ. A novel monoclonal antibody to fibroblast growth factor 2 effectively inhibits growth of hepatocellular carcinoma xenografts. Mol Cancer Ther 2012; 11:864-72. [PMID: 22351746 DOI: 10.1158/1535-7163.mct-11-0813] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Expression of fibroblast growth factor 2 (FGF2) is believed to be a contributing factor to the growth of a number of tumor types, including hepatocellular carcinoma (HCC). However, the potential of monoclonal antibodies that neutralize FGF2 for treatment of patients with cancer has not yet been explored in clinical trials. We therefore generated a novel monoclonal antibody (mAb), GAL-F2, specific for FGF2 and characterized its properties in vitro and in vivo. GAL-F2 binds to a different epitope than several previous anti-FGF2 mAbs tested. This novel epitope was defined using chimeric FGF1/FGF2 proteins and alanine scanning mutagenesis and was shown to comprise amino acids in both the amino and carboxy regions of FGF2. GAL-F2 blocked binding of FGF2 to each of its four cellular receptors, strongly inhibited FGF2-induced proliferation and downstream signaling in human umbilical vein endothelial cells, and inhibited proliferation and downstream signaling in two HCC cell lines. Moreover, GAL-F2, administered at 5 mg/kg i.p. twice weekly, potently inhibited growth of xenografts of the SMMC-7721, HEP-G2, and SK-HEP-1 human HCC cell lines in nude mice, and in some models, had a strong additive effect with an anti-VEGF mAb or sorafenib. Treatment with GAL-F2 also blocked angiogenesis and inhibited downstream cellular signaling in xenografts, indicating its antitumor mechanism of action. Our report supports clinical testing of a humanized form of the GAL-F2 mAb for treatment of HCC and potentially other cancers.
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Affiliation(s)
- Lihong Wang
- Galaxy Biotech, LLC, Sunnyvale, California 94089, USA
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Sasaki S, Ishida T, Toyota M, Ota A, Suzuki H, Takaoka A, Yasui H, Yamamoto H, Takagi H, Maeda M, Seito T, Tsujisaki M, Shinomura Y, Imai K. Interferon-α/β and anti-fibroblast growth factor receptor 1 monoclonal antibody suppress hepatic cancer cells in vitro and in vivo. PLoS One 2011; 6:e19618. [PMID: 21573021 PMCID: PMC3090414 DOI: 10.1371/journal.pone.0019618] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2010] [Accepted: 04/11/2011] [Indexed: 11/24/2022] Open
Abstract
Background Hepatocellular carcinoma (HCC) is the most commonly occurring primary liver cancer and ranks as the fifth most frequently occurring cancer, overall, and the third leading cause of cancer deaths, worldwide. At present, effective therapeutic options available for HCC are limited; consequently, the prognosis for these patients is poor. Our aim in the present study was to identify a novel target for antibody therapy against HCC. Methodology/Principal Findings We used Western blot and flow cytometric and immunocytochemical analyses to investigate the regulation of FGFR1 expression by interferon-α/β in several human hepatic cancer cell lines. In addition, we tested the efficacy of combined treatment with anti-FGFR1 monoclonal antibody and interferon-α/β in a murine xenograft model of human HCC. We found that interferon-α/β induces expression of FGFR1 in human HCC cell lines, and that an anti-FGFR1 monoclonal antibody (mAb) targeting of the induced FGFR1 can effectively inhibit growth and survival of HCC cells in vitro and in vivo. Moreover, the combination of interferon-α, anti-FGFR1 mAb and peripheral blood mononuclear cells (PBMCs) exerted a significant antitumor effect in vitro. Conclusions Our results suggest that the combined use of an anti-FGFR1 antibody and interferon-α/β is a promising approach to the treatment of HCC.
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Affiliation(s)
- Shigeru Sasaki
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
- * E-mail: (SS); (MT)
| | - Tadao Ishida
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
| | - Minoru Toyota
- Department of Molecular Biology, Sapporo Medical University, Sapporo, Japan
- * E-mail: (SS); (MT)
| | - Akinobu Ota
- Immuno-Biological Laboratories Co., Ltd., Fujioka, Japan
| | - Hiromu Suzuki
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
- Department of Molecular Biology, Sapporo Medical University, Sapporo, Japan
| | - Akinori Takaoka
- Division of Signaling in Cancer and Immunology, Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
| | - Hiroshi Yasui
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
- Department of Molecular Biology, Sapporo Medical University, Sapporo, Japan
| | - Hiroyuki Yamamoto
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
| | - Hideyasu Takagi
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
| | - Masahiro Maeda
- Immuno-Biological Laboratories Co., Ltd., Fujioka, Japan
| | - Tsutomu Seito
- Immuno-Biological Laboratories Co., Ltd., Fujioka, Japan
| | - Masayuki Tsujisaki
- Department of Gastroenterology and Hematology, Tenshi Hospital, Sapporo, Japan
| | - Yasuhisa Shinomura
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
| | - Kohzoh Imai
- Division of Novel Therapy for Cancer, The Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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Zittermann SI, Capurro MI, Shi W, Filmus J. Soluble glypican 3 inhibits the growth of hepatocellular carcinoma in vitro and in vivo. Int J Cancer 2010; 126:1291-301. [PMID: 19816934 DOI: 10.1002/ijc.24941] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The heterogeneity of the molecular pathology of HCC poses a formidable obstacle to the development of non-cytotoxic therapies. Several pro-tumorigenic signaling pathways can be aberrantly activated in HCC, including those triggered by Wnts. Glypican-3 (GPC3), a membrane-bound heparan sulfate proteoglycan that is overexpressed in most HCCs, promotes the growth of these tumors by stimulating Wnt signaling. Because GPC3 binds with high affinity to Wnts, and its growth-promoting activity requires attachment to the cell membrane, we have hypothesized that a mutated GPC3 lacking the GPI anchoring domain (sGPC3) will block Wnt signaling and inhibit the growth of Wnt-dependent tumors. In addition, because sGPC3 displays heparan sulfate chains, this secreted glypican could also inhibit HCC growth by blocking the activity of other heparin-binding growth factors. To test this hypothesis, HCC cell lines were infected with an sGPC3-expressing lentivirus or virus control, and the effect of sGPC3 on the in vitro and in vivo growth was investigated. In addition, the signaling pathways targeted by sGPC3 were identified. We observed that sGPC3-expressing cells had lower proliferation rate. In addition, sGPC3 significantly inhibited the in vivo growth of the Huh6, HepG2 and Huh7 HCC cell lines. sGPC3 blocked Wnt signaling in Huh6- and Huh7-derived tumors and Erk1/2 and Akt phosphorylation in tumors generated by Huh7 and HepG2 cells, respectively. An anti-angiogenic effect in Huh7 and HepG2-derived tumors was also observed. We conclude that sGPC3 can inhibit HCC tumorigenicity by blocking the activity of several pro-tumorigenic growth factors.
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Affiliation(s)
- Sandra I Zittermann
- Division of Molecular and Cellular Biology, Sunnybrook Research Institute and Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
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12
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Schnater JM, Bruder E, Bertschin S, Woodtli T, de Theije C, Pietsch T, Aronson DC, von Schweinitz D, Lamers WH, Köhler ES. Subcutaneous and intrahepatic growth of human hepatoblastoma in immunodeficient mice. J Hepatol 2006; 45:377-86. [PMID: 16780998 DOI: 10.1016/j.jhep.2006.03.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2005] [Revised: 02/06/2006] [Accepted: 03/02/2006] [Indexed: 12/16/2022]
Abstract
BACKGROUND/AIMS Hepatoblastoma is the most frequent malignant pediatric liver tumor. Approximately 25% of hepatoblastoma patients cannot be cured with current treatment protocols. Additional treatment options must, therefore, be developed. Subcutaneous animal models for hepatoblastoma exist, but a more physiologic intrahepatic model is lacking. METHODS The alpha-fetoprotein-expressing hepatoblastoma-cell lines HepT1, HuH6 and the childhood hepatocellular carcinoma-cell line HepG2 were injected subcutaneously and intrasplenically into NMRI nu/nu mice. Tumor growth was monitored by measuring tumor size for subcutaneous and serum human alpha-fetoprotein levels for intra-abdominal tumors. Tumors were characterized microscopically. RESULTS Subcutaneous tumor growth occurred in 70% (7/10) of mice injected with HuH6 and 50% (5/10) of mice injected with HepG2. HepT1 did not form tumors. Accumulation of serum alpha-fetoprotein reflected tumor growth. Intrasplenic growth was seen in 50% (14/27, HuH6) and 10% (3/10, HepG2) of the mice, with only HuH6 forming intrahepatic tumors in 25% (7/27) of the mice. Growth pattern and alpha-fetoprotein production were similar at the subcutaneous and intra-abdominal location. Intrahepatic grafting occurred by metastatic spread from the spleen, produced well-defined nodules, and was accompanied by a weakened expression of the hepatocyte marker carbamoylphosphate synthetase, and the canalicular markers CD10 and cytokeratin7. The expression of cytokeratin18 and -19, active caspase3, and beta-catenin was increased. There were no lung metastases. CONCLUSIONS We established an intrahepatic mouse model for human hepatoblastoma, in which tumor growth could be monitored by serum alpha-fetoprotein levels. Engrafting in the liver occurred by metastatic spread from the spleen and was accompanied by some loss of differentiation features.
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Affiliation(s)
- J Marco Schnater
- Research Laboratory, Department of Pediatric Surgery, University Childrens' Hospital Basel, Hebelstrasse 20, 4031 Basel, Switzerland
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Thomas MB, Abbruzzese JL. Opportunities for targeted therapies in hepatocellular carcinoma. J Clin Oncol 2005; 23:8093-108. [PMID: 16258107 DOI: 10.1200/jco.2004.00.1537] [Citation(s) in RCA: 126] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular cancer (HCC) is the fifth most common solid tumor worldwide, accounting for 500,000 new cases annually. Although less common in the United States, HCC is expected to increase in incidence over the next two decades largely because of the prevalence of hepatitis C virus infection. A majority of patients present with advanced disease and are not candidates for liver transplantation, surgical resection, or regional therapy. In 60% to 80% of patients with HCC, treatment is complicated by underlying liver cirrhosis and hepatic dysfunction. Systemic treatments are minimally effective, can have significant toxicity, and have not been shown to improve patient survival. New approaches targeting molecular abnormalities specific to HCC are needed to improve patient outcome. This review summarizes the state of knowledge of those key aspects of the molecular pathogenesis of HCC that may represent rational therapeutic targets in this disease. Relevant preclinical and clinical information on novel compounds directed toward abnormalities in HCC is reviewed.
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Affiliation(s)
- Melanie B Thomas
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, 77030, USA.
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Adachi Y, Takeuchi T, Sonobe H, Ohtsuki Y. An adiponectin receptor, T-cadherin, was selectively expressed in intratumoral capillary endothelial cells in hepatocellular carcinoma: possible cross talk between T-cadherin and FGF-2 pathways. Virchows Arch 2005; 448:311-8. [PMID: 16273386 DOI: 10.1007/s00428-005-0098-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2005] [Accepted: 09/14/2005] [Indexed: 10/25/2022]
Abstract
T-cadherin is a unique receptor of adiponectin, which plays a critical role in various angiogenesis. In the present study, T-cadherin expression in tumor vessels of hepatocellular carcinoma (HCC) and, subsequently, the molecular mechanism, which induced T-cadherin expression in sinusoidal endothelial cells were investigated. Sinusoidal endothelium in nontumorous liver, chronic hepatitis, or liver cirrhosis expressed little or no T-cadherin. By contrast, T-cadherin was found in intratumoral capillary endothelial cells of 34 out of 63 HCC specimens. In positive cases, focal T-cadherin expression was found in well-differentiated HCC, whereas diffuse and intense T-cadherin expression was observed in poorly differentiated HCC specimens. T-cadherin was much expressed in intratumoral capillary endothelial cells in a less differentiated HCC region than that in a well-differentiated region in five specimens, in which various differentiated HCC components were coexistent. In a double-cell chamber assay, fibroblast growth factor-2 appeared to have a critical role to induce T-cadherin in cultured liver sinusoidal endothelial cells. The present finding indicated that T-cadherin was selectively expressed in intratumoral capillary endothelial cells of many HCCs, increasingly expressed as tumor progression, and T-cadherin may have a positive role in angiogenesis of HCC. In addition, cross talk between the signal pathways mediated by fibroblast growth factor-2 and adiponectin was suggested.
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Affiliation(s)
- Yoshihiro Adachi
- Department of Pathology, Kochi Medical School, Nankoku, Kochi, Japan
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Badawi RA, Birns J, Watson T, Kalra L. Growth factors and their relationship to neoplastic and paraneoplastic disease. Eur J Intern Med 2005; 16:83-94. [PMID: 15833673 DOI: 10.1016/j.ejim.2004.10.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2004] [Revised: 09/30/2004] [Accepted: 10/05/2004] [Indexed: 12/15/2022]
Abstract
Growth factors are extracellular signaling molecules that act in an autocrine and paracrine fashion to regulate growth, proliferation, differentiation, and survival of cells. Dysregulation of the growth factor networks is intimately related to the molecular pathogenesis of neoplastic and paraneoplastic disease. Increasing knowledge of the molecular mechanisms underlying growth factors and their actions on cell cycling, cell division, and cell death is shedding light on new therapeutic avenues for molecular targeting of tumors. Epidermal growth factor and vascular endothelial growth factor both offer examples of how growth factor biology and its relationship to cancer can be harnessed to create effective clinical therapeutic tools such as monoclonal antibodies. This approach heralds a future in which rational molecular oncological therapy may increasingly become the norm.
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Affiliation(s)
- R A Badawi
- Department of Medicine, King's College Hospital, Denmark Hill, London SE5 9RS, United Kingdom
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Abstract
Angiogenesis or new blood vessel formation plays an essential role during embryogenesis, adult vascular remodeling and in several pathological disorders, as in tumor development. Although sprouting of blood vessels is the principal angiogenic mechanism, additional ones, such as the recruitment of bone marrow-derived cells, have recently been described. These processes are controlled by several molecules, although members of the VEGF family of angiogenic factors and its receptors seem to be the main mediators. Initially, VEGF receptors were described as endothelial specific; however, further studies have reported their presence in several types of cells of non-endothelial origin, such as tumor cells. This VEGF receptor altered expression has suggested an angiogenesis-independent growth advantage mechanism on certain types of cancers by the generation of autocrine loops. A possible role in tumorigenesis and a potential novel target in cancer therapy have been hypothesized. Detection of other receptors and molecules considered to be angiogenic players has also been observed on tumor cells. Currently, their clinical significance as well as their potential as therapeutic targets for the treatment of certain cancers is being evaluated, having in mind the future development of promising mechanism-based therapies. The aspects mentioned above are the main focus of this review, which aims to throw light on recent findings respecting angiogenesis and novel therapeutic approaches.
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Affiliation(s)
- Carla Costa
- Institute of Molecular Pathology and Immunology, University of Porto (IPATIMUP), Portugal
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Wang L, Levin MS. Suppression of FGF signaling: a putative mechanism for the chemopreventive effects of acyclic retinoid in hepatocellular carcinoma. Gastroenterology 2005; 128:228-31. [PMID: 15633140 DOI: 10.1053/j.gastro.2004.11.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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