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Beck J, Ren L, Huang S, Berger E, Bardales K, Mannheimer J, Mazcko C, LeBlanc A. Canine and murine models of osteosarcoma. Vet Pathol 2022; 59:399-414. [PMID: 35341404 PMCID: PMC9290378 DOI: 10.1177/03009858221083038] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Osteosarcoma (OS) is the most common malignant bone tumor in children. Despite efforts to develop and implement new therapies, patient outcomes have not measurably improved since the 1980s. Metastasis continues to be the main source of patient mortality, with 30% of cases developing metastatic disease within 5 years of diagnosis. Research models are critical in the advancement of cancer research and include a variety of species. For example, xenograft and patient-derived xenograft (PDX) mouse models provide opportunities to study human tumor cells in vivo while transgenic models have offered significant insight into the molecular mechanisms underlying OS development. A growing recognition of naturally occurring cancers in companion species has led to new insights into how veterinary patients can contribute to studies of cancer biology and drug development. The study of canine cases, including the use of diagnostic tissue archives and clinical trials, offers a potential mechanism to further canine and human cancer research. Advancement in the field of OS research requires continued development and appropriate use of animal models. In this review, animal models of OS are described with a focus on the mouse and tumor-bearing pet dog as parallel and complementary models of human OS.
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Affiliation(s)
| | - Ling Ren
- National Cancer Institute, Bethesda, MD
| | | | | | - Kathleen Bardales
- National Cancer Institute, Bethesda, MD
- University of Pennsylvania, Philadelphia, PA
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Fasanya HO, Dopico PJ, Yeager Z, Fan ZH, Siemann DW. Using a combination of gangliosides and cell surface vimentin as surface biomarkers for isolating osteosarcoma cells in microfluidic devices. J Bone Oncol 2021; 28:100357. [PMID: 33912384 PMCID: PMC8065304 DOI: 10.1016/j.jbo.2021.100357] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 02/18/2021] [Accepted: 03/01/2021] [Indexed: 12/28/2022] Open
Abstract
Background Osteosarcoma (OS) is the most common primary bone tumor and the third leading cause of pediatric cancer deaths. Liquid biopsies are an alternative to current diagnostic imaging modalities that can be used to monitor treatment efficacy and the development of metastases. This study addresses the use of novel biomarkers to detect circulating osteosarcoma cells. Procedures Flow cytometry was used to evaluate the relative expression of epithelial cell adhesion molecule (EpCAM), ganglioside 2 and 3 (GD2/3), and cell surface vimentin (CSV) on a panel of OS cell lines. A microfluidic device was used to affirm the efficacy of GD2/3 and CSV to capture CTCs. Once captured, CTCs on the device are enumerated and the capture efficiency for each marker is measured. Patient samples were captured using the LFAM chip. Results We report the evaluation of GD2, GD3, and CSV as markers for OS cell capture in cell lines and in patient samples. The results of our capture studies correlate with our flow cytometry data and have shown a low capture efficiency of OS cells using EpCAM antibodies, while showing a moderate capture efficiency of OS cells using the GD2, GD3, and CSV antibodies independently. The combination of biomarkers demonstrate a high capture efficiency of approximately 80%. This is further supported by the detection of 1-1.5 CTCs per mL of blood using GD2 + CSV in OS patient samples. Conclusions The combination of GD2 + CSV significantly increased the capture efficacy of OS cells. The detection of CTCs through routine blood sampling may be used clinically for earlier detection of metastases and monitoring the therapeutic effect of treatments in metastatic osteosarcomas.
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Key Words
- CK, Cytokeratin
- CSV, Cell Surface Vimentin
- CTC, Circulating Tumor Cell
- Circulating tumor cells
- DAPI, 4′,6-diamidino-2-phenylindole
- EpCAM, Epithelial Cell Adhesion Molecule
- GD2, Ganglioside 2
- GD3, Ganglioside 3
- Ganglioside GD2
- Ganglioside GD3
- IHC, Immunohistochemistry
- OS, Osteosarcoma
- Osteosarcoma
- PET, Positron Emission Tomography
- Vimentin
- mL, Milliliter
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Affiliation(s)
- Henrietta O. Fasanya
- Department of Radiation Oncology, University of Florida, Gainesville, FL, USA
- College of Medicine MD-PhD Program, University of Florida, Gainesville, FL, USA
- Corresponding authors at: Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, Gainesville, FL, USA (Z.H. Fan) Department of Radiation Oncology, University of Florida, Gainesville, FL, USA (H.O. Fasanya).
| | - Pablo J. Dopico
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, Gainesville, FL, USA
| | - Zachary Yeager
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, Gainesville, FL, USA
| | - Z. Hugh Fan
- J. Crayton Pruitt Family Department of Biomedical Engineering, Gainesville, FL, USA
- Corresponding authors at: Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, Gainesville, FL, USA (Z.H. Fan) Department of Radiation Oncology, University of Florida, Gainesville, FL, USA (H.O. Fasanya).
| | - Dietmar W. Siemann
- Department of Radiation Oncology, University of Florida, Gainesville, FL, USA
- Corresponding authors at: Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, Gainesville, FL, USA (Z.H. Fan) Department of Radiation Oncology, University of Florida, Gainesville, FL, USA (H.O. Fasanya).
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Ren L, Mendoza A, Zhu J, Briggs JW, Halsey C, Hong ES, Burkett SS, Morrow J, Lizardo MM, Osborne T, Li SQ, Luu HH, Meltzer P, Khanna C. Characterization of the metastatic phenotype of a panel of established osteosarcoma cells. Oncotarget 2016; 6:29469-81. [PMID: 26320182 PMCID: PMC4745740 DOI: 10.18632/oncotarget.5177] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 09/25/2015] [Indexed: 11/25/2022] Open
Abstract
Osteosarcoma (OS) is the most common bone tumor in pediatric patients. Metastasis is a major cause of mortality and morbidity. The rarity of this disease coupled with the challenges of drug development for metastatic cancers have slowed the delivery of improvements in long-term outcomes for these patients. In this study, we collected 18 OS cell lines, confirmed their expression of bone markers and complex karyotypes, and characterized their in vivo tumorgenicity and metastatic potential. Since prior reports included conflicting descriptions of the metastatic and in vivo phenotypes of these models, there was a need for a comparative assessment of metastatic phenotypes using identical procedures in the hands of a single investigative group. We expect that this single characterization will accelerate the study of this metastatic cancer. Using these models we evaluated the expression of six previously reported metastasis-related OS genes. Ezrin was the only gene consistently differentially expressed in all the pairs of high/low metatstatic OS cells. We then used a subtractive gene expression approach of the high and low human metastatic cells to identify novel genes that may be involved in OS metastasis. PHLDA1 (pleckstrin homology-like domain, family A) was identified as one of the genes more highly expressed in the high metastatic compared to low metastatic cells. Knocking down PHLDA1 with siRNA or shRNA resulted in down regulation of the activities of MAPKs (ERK1/2), c-Jun N-terminal kinases (JNK), and p38 mitogen-activated protein kinases (MAPKs). Reducing the expression of PHLDA1 also delayed OS metastasis progression in mouse xenograft models.
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Affiliation(s)
- Ling Ren
- Molecular Oncology Section - Metastasis Biology Group, Pediatric Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Arnulfo Mendoza
- Molecular Oncology Section - Metastasis Biology Group, Pediatric Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Jack Zhu
- Genetic Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Joseph W Briggs
- Molecular Oncology Section - Metastasis Biology Group, Pediatric Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Charles Halsey
- Molecular Pathology Unit, Laboratory of Cancer Biology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
| | - Ellen S Hong
- Molecular Oncology Section - Metastasis Biology Group, Pediatric Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Sandra S Burkett
- Comparative Molecular Cytogenetics Core Facility, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
| | - James Morrow
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Michael M Lizardo
- Molecular Oncology Section - Metastasis Biology Group, Pediatric Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Tanasa Osborne
- National Institute of Environmental Health, Research Triangle Park, North Carolina, USA
| | - Samuel Q Li
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Hue H Luu
- Department of Orthopedic Surgery & Rehabilitation Medicine, University of Chicago, Medicine & Biological Sciences, Chicago, USA
| | - Paul Meltzer
- Genetic Branch, National Cancer Institute, Bethesda, Maryland, USA
| | - Chand Khanna
- Molecular Oncology Section - Metastasis Biology Group, Pediatric Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
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Nagai Y, Aizawa S, Iriuchishima T, Goto B, Nagaoka M, Tokuhashi Y, Saito A. Phototoxic effect of na-pheophorbide a toward osteosarcoma cells in vitro using a laser diode. Photomed Laser Surg 2014; 32:481-9. [PMID: 25105597 DOI: 10.1089/pho.2014.3736] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE The purpose of this study was to investigate the effectiveness of photodynamic therapy (PDT) with Na-pheophorbide A in anticancer treatment, using osteosarcoma cells in vitro. BACKGROUND DATA It has been reported that PDT with chlorophyll derivatives inhibits the proliferation of various cancer cells. However, there have been no reports that have evaluated the effectiveness of PDT in suppressing osteosarcoma cells. MATERIALS AND METHODS Uptake of Na-pheophorbide A into Hu09 cells (osteosarcoma cells) was assayed using fluorescence microscopy following incubation of the cells with 28 μmol/L of Na-pheophorbide A. The viability of Hu09 cells after PDT treatment was assessed using trypan blue dye staining and MTS assays. PDT-induced apoptosis was determined by evaluation of the activity of selected members of the caspase family and by terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) staining of cells. RESULTS Na-pheophorbide A uptake by cells was rapid, being observed after 60 min of treatment, and Na-pheophorbide A persisted in cells for >24 h. PDT treatment decreased cell viability compared with the control group, indicating high cytocidal activity of PDT. This cytocidal effect was dependent upon drug concentration, light dose, and the number of irradiation times. An increase in the number of cells positive for TUNEL staining and increases in the activity of caspases-3, -8 and -9 were observed in the first 2 h after PDT treatment. CONCLUSIONS A cytotoxic effect of PDT with Na-pheophorbide A on an osteosarcoma cell line in vitro was shown. Caspase activity assays suggested that PDT with Na-pheophorbide A induced an apoptotic change in HuO9 cells, mainly via activation of mitochondrial caspase -9 and -3 pathways.
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Affiliation(s)
- Yu Nagai
- 1 Department of Orthopedic Surgery, Surugadai Nihon University Hospital , Tokyo, Japan
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5
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Fujiwara T, Katsuda T, Hagiwara K, Kosaka N, Yoshioka Y, Takahashi RU, Takeshita F, Kubota D, Kondo T, Ichikawa H, Yoshida A, Kobayashi E, Kawai A, Ozaki T, Ochiya T. Clinical Relevance and Therapeutic Significance of MicroRNA-133a Expression Profiles and Functions in Malignant Osteosarcoma-Initiating Cells. Stem Cells 2014; 32:959-73. [DOI: 10.1002/stem.1618] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Revised: 11/20/2013] [Accepted: 11/22/2013] [Indexed: 01/06/2023]
Affiliation(s)
- Tomohiro Fujiwara
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
- Department of Musculoskeletal Oncology; National Cancer Center Hospital; Tokyo Japan
- Department of Orthopedic Surgery; Okayama University Graduate School of Medicine; Dentistry, and Pharmaceutical Sciences Okayama Japan
| | - Takeshi Katsuda
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
| | - Keitaro Hagiwara
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
| | - Nobuyoshi Kosaka
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
| | - Yusuke Yoshioka
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
| | - Ryou-U Takahashi
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
| | - Fumitaka Takeshita
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
| | - Daisuke Kubota
- Division of Pharmacoproteomics; National Cancer Center Research Institute; Tokyo Japan
| | - Tadashi Kondo
- Division of Pharmacoproteomics; National Cancer Center Research Institute; Tokyo Japan
| | - Hitoshi Ichikawa
- Division of Genetics; National Cancer Center Research Institute; Tokyo Japan
| | - Akihiko Yoshida
- Division of Pathology and Clinical Laboratories; National Cancer Center Hospital; Tokyo Japan
| | - Eisuke Kobayashi
- Department of Musculoskeletal Oncology; National Cancer Center Hospital; Tokyo Japan
| | - Akira Kawai
- Department of Musculoskeletal Oncology; National Cancer Center Hospital; Tokyo Japan
| | - Toshifumi Ozaki
- Department of Orthopedic Surgery; Okayama University Graduate School of Medicine; Dentistry, and Pharmaceutical Sciences Okayama Japan
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine; National Cancer Center Research Institute; Tokyo Japan
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Kataoka K, Ono T, Murata H, Morishita M, Yamamoto KI, Sakaguchi M, Huh NH. S100A7 promotes the migration and invasion of osteosarcoma cells via the receptor for advanced glycation end products. Oncol Lett 2012; 3:1149-1153. [PMID: 22783409 DOI: 10.3892/ol.2012.612] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Accepted: 02/01/2012] [Indexed: 01/14/2023] Open
Abstract
Osteosarcoma is the most common malignant tumor of bone in childhood and adolescence. Despite intensive research for new therapies, the outcome in patients with metastasis remains extremely poor. S100 proteins are involved in the proliferation, cell cycle progression and metastasis of numerous malignant tumors, including osteosarcoma. In the present study, we identified S100A7 as a candidate to promote the migration of osteosarcoma cells. S100A7 promoted the migration and invasion of osteosarcoma cells as assayed in vitro. An in vitro pull-down assay revealed the binding of the recombinant S100A7 protein with its putative receptor, the receptor for advanced glycation end products (RAGE). The downregulation of RAGE by a specific siRNA markedly suppressed the migration and invasion of osteosarcoma cells. Furthermore, the matrix metalloproteinase activity of osteosarcoma cells was enhanced by S100A7 and suppressed by the downregulation of RAGE. These results indicate that S100A7 promotes the migration and invasion of osteosarcoma cells through RAGE. The S100A7-RAGE axis may thus be a new target for preventing the invasion and/or metastasis of osteosarcoma.
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Affiliation(s)
- Ken Kataoka
- Department of Cell Biology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
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7
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Ueda T, Healey JH, Huvos AG, Ladanyi M. Amplification of the MYC Gene in Osteosarcoma Secondary to Paget's Disease of Bone. Sarcoma 2011; 1:131-4. [PMID: 18521214 PMCID: PMC2395365 DOI: 10.1080/13577149778209] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Purpose. In a previous series of 25 human osteosarcoma samples studied for MYC gene amplification, we found amplification in two cases (8%), including one arising in association with Paget's disease (pagetic osteosarcoma). Based on this observation, we further investigated the prevalence of MYC gene amplification in pagetic osteosarcomas.Methods. MYC gene amplification was assessed by Southern blot analysis using frozen tissue samples in five cases of pagetic osteosarcoma and 53 cases of primary (non-pagetic) osteosarcoma. Amplification was considered present if the MYC copy number was six or greater.Results. Three out of five patients (60%) with pagetic osteosarcoma showed MYC gene amplification, whereas it was present in only 5/53 patients (9.4%) with primary osteosarcoma. The incidence of MYC amplification in pagetic osteosarcoma was thus significantly higher than that in primary osteosarcoma (p = 0.016).Discussion. The finding that MYC gene amplification may be more common in pagetic than primary osteosarcoma warrants further study and suggests pathogenetic differences between primary osteosarcomas and those arising in the setting of Paget's disease. Three of the four pagetic osteosarcomas from the present study were previously shown to be immunoreactive for p53, suggesting that p53 mutation may also be a frequent genetic lesion in these tumors.
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Affiliation(s)
- T Ueda
- Department of Surgery Orthopaedic Service Memorial Sloan-Kettering Cancer Center New York USA
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8
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Sasaki T, Tazawa H, Hasei J, Kunisada T, Yoshida A, Hashimoto Y, Yano S, Yoshida R, Uno F, Kagawa S, Morimoto Y, Urata Y, Ozaki T, Fujiwara T. Preclinical evaluation of telomerase-specific oncolytic virotherapy for human bone and soft tissue sarcomas. Clin Cancer Res 2011; 17:1828-38. [PMID: 21325287 DOI: 10.1158/1078-0432.ccr-10-2066] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Tumor-specific replication-selective oncolytic virotherapy is a promising antitumor therapy for induction of cell death in tumor cells but not of normal cells. We previously developed an oncolytic adenovirus, OBP-301, that kills human epithelial malignant cells in a telomerase-dependent manner. Recent evidence suggests that nonepithelial malignant cells, which have low telomerase activity, maintain telomere length through alternative lengthening of telomeres (ALT). However, it remains unclear whether OBP-301 is cytopathic for nonepithelial malignant cells. Here, we evaluated the antitumor effect of OBP-301 on human bone and soft tissue sarcoma cells. EXPERIMENTAL DESIGN The cytopathic activity of OBP-301, coxsackie and adenovirus receptor (CAR) expression, and telomerase activity were examined in 10 bone (OST, U2OS, HOS, HuO9, MNNG/HOS, SaOS-2, NOS-2, NOS-10, NDCS-1, and OUMS-27) and in 4 soft tissue (CCS, NMS-2, SYO-1, and NMFH-1) sarcoma cell lines. OBP-301 antitumor effects were assessed using orthotopic tumor xenograft models. The fiber-modified OBP-301 (termed OBP-405) was used to confirm an antitumor effect on OBP-301-resistant sarcomas. RESULTS OBP-301 was cytopathic for 12 sarcoma cell lines but not for the non-CAR-expressing OUMS-27 and NMFH-1 cells. Sensitivity to OBP-301 was dependent on CAR expression and not on telomerase activity. ALT-type sarcomas were also sensitive to OBP-301 because of upregulation of human telomerase reverse transcriptase (hTERT) mRNA following virus infection. Intratumoral injection of OBP-301 significantly suppressed the growth of OST and SYO-1 tumors. Furthermore, fiber-modified OBP-405 showed antitumor effects on OBP-301-resistant OUMS-27 and NMFH-1 cells. CONCLUSIONS A telomerase-specific oncolytic adenovirus is a promising antitumor reagent for the treatment of bone and soft tissue sarcomas.
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Affiliation(s)
- Tsuyoshi Sasaki
- Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Kita-ku, Okayama, Japan
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Nakano T, Tani M, Ishibashi Y, Kimura K, Park YB, Imaizumi N, Tsuda H, Aoyagi K, Sasaki H, Ohwada S, Yokota J. Biological properties and gene expression associated with metastatic potential of human osteosarcoma. Clin Exp Metastasis 2003; 20:665-74. [PMID: 14669798 DOI: 10.1023/a:1027355610603] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Lung metastasis has a great influence on the prognosis of patients with osteosarcoma. We previously established two high-metastatic sublines, M112 and M132, from the HuO9 human osteosarcoma cell line by in vivo selection. In this study, we newly isolated a high-metastatic subline, H3, and three low-metastatic sublines, L6, L12 and L13, from HuO9 by the dilution plating method. Three high-metastatic sublines produced more than 200 metastatic nodules in the lung, while three low-metastatic sublines produced no or few nodules after injection of 2 x 10(6) cells into the tail vein of nude mice. There were significant differences in the motility and invasiveness between high- and low-metastatic sublines, whereas the growth rates in vitro and the tumorigenicity in vivo showed no correlation with their metastatic abilities. Early adherence to culture plates was significantly lower in two of three low-metastatic sublines, which occupied smaller surface areas on the culture plates than other sublines did. Comparison of the expression of 637 cancer-related genes by cDNA microarray revealed that seven genes were differentially expressed between high- and low-metastatic sublines. Among them, five genes (AXL, TGFA, COLL7A1, WNT5A, and MKK6) were associated with adherence, motility, and/or invasiveness. These results suggest that the differences in motility/invasiveness and adhesive abilities are key determinants of lung metastasis in osteosarcoma.
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Affiliation(s)
- Tetsuhiro Nakano
- Division of Biology, National Cancer Center Research Institute, Tokyo, Japan
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Kimura K, Nakano T, Park YB, Tani M, Tsuda H, Beppu Y, Moriya H, Yokota J. Establishment of human osteosarcoma cell lines with high metastatic potential to lungs and their utilities for therapeutic studies on metastatic osteosarcoma. Clin Exp Metastasis 2002; 19:477-85. [PMID: 12405284 DOI: 10.1023/a:1020395816633] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Relevant animal models for metastasis of osteosarcoma is needed to understand the biology and to develop the treatment modality of metastasis of human osteosarcoma. Therefore, we screened six human osteosarcoma cell lines for metastatic ability in nude mice. The HuO9 cell line was identified as being metastatic to the lung after intravenous injection. We established two sublines, HuO9-M112 and HuO9-M132, with high metastatic potential to the lung from the parental HuO9 cells by in vivo selection. There were no differences between these two sublines and the parental cells in the growth rate in vitro and the tumorigenicity after subcutaneous injection in nude mice, however, mice injected with the metastatic sublines became moribund earlier than mice injected with the parental HuO9 cells did. Thus, adriamycin (ADR) and recombinant interleukin-12 (IL-12) were administered to mice injected with the HuO9-M112 subline to suppress experimental lung metastases. Production of lung colonies was significantly suppressed and the prognoses of mice were significantly improved by both ADR and IL-12 treatments. These results indicate that both ADR and IL-12 are effective agents against pulmonary metastatic osteosarcoma, and that these sublines are useful for studies on the biological behavior and treatment of pulmonary metastatic osteosarcoma.
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Affiliation(s)
- Kenji Kimura
- Biology Division, National Cancer Center Research Institute, Tokyo, Japan
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11
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Kawai A, Noguchi M, Beppu Y, Yokoyama R, Mukai K, Hirohashi S, Inoue H, Fukuma H. Nuclear immunoreaction of p53 protein in soft tissue sarcomas. A possible prognostic factor. Cancer 1994; 73:2499-505. [PMID: 8174045 DOI: 10.1002/1097-0142(19940515)73:10<2499::aid-cncr2820731008>3.0.co;2-g] [Citation(s) in RCA: 97] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND Tumor suppressor gene p53, located on the short arm of chromosome 17, frequently mutates in various types of cancers and plays a critical role in the multiple stages of carcinogenesis. However, there is little information about the clinicopathologic significance of alterations of the p53 gene in soft tissue sarcomas (STS). METHODS Because it is known that nuclear accumulation of p53 protein correlates closely with the presence of mutations in the p53 gene, immunohistochemical detection of this protein was performed. A polyclonal antibody (RSP-53) raised against synthetic human p53 peptide was used to detect nuclear accumulation of the protein. Pathologic specimens of 96 patients with STS were collected from the surgical pathology files of the National Cancer Center Hospital and examined. RESULTS Nuclear accumulation of p53 protein was detected in 31 (32.3%) patients. The percentage of patients with a positive immunoreaction was high in patients with malignant schwannoma (100%), rhabdomyosarcoma (71.4%), and synovial sarcoma (50.0%), whereas it was low in patients with liposarcoma (13.6%) and 0% in those with fibrosarcoma. It was closely associated with the histologic grade of malignancy (grade 1, 12.0%; grade 2, 30.8%; grade 3, 44.4%) and the patient's age (younger than 40 years, 46.9%; 40 years of age or older, 25.0%). Both overall and metastasis-free survival rates were significantly lower for patients with a nuclear p53 immunoreaction than for those without it. CONCLUSIONS The nuclear p53 immunoreaction is considered a marker of tumor aggressiveness and appears to be a useful prognostic factor for STS.
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Affiliation(s)
- A Kawai
- Department of Orthopaedic Surgery, National Cancer Center Hospital, Tokyo, Japan
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12
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Mathieu E, Merregaert J. Characterization of the stromal osteogenic cell line MN7: mRNA steady-state level of selected osteogenic markers depends on cell density and is influenced by 17 beta-estradiol. J Bone Miner Res 1994; 9:183-92. [PMID: 8140931 DOI: 10.1002/jbmr.5650090207] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The steady-state mRNA levels of different osteogenic markers and their modulation by 17 beta-estradiol in the murine osteogenic cell line MN7 during proliferation and differentiation in vitro were examined. mRNA of collagen type I, osteopontin, bone morphogenetic protein 2, plasminogen activator inhibitor 1, alkaline phosphatase, and osteocalcin were isolated from MN7 cultures grown for 7, 11, 14, and 17 days. Northern blot analysis revealed steady-state transcript levels depending on MN7 cell density. The order of appearance of Col I, OP, ALP, and OC resembled the pattern of gene expression observed during osteoblast maturation in vitro. Furthermore, PAI-1 steady-state transcript levels peaked during subconfluence (day 11) but BMP-2 RNA levels reached their maximum after the culture had become confluent. 17 beta-Estradiol showed a dose-dependent stimulation of the different osteoblast-related transcripts present in a subconfluent MN7 culture at the time of analysis. Furthermore, the effects of 17 beta-estradiol (17 beta E2) at different time points of MN7 growth varied according to cell density. 17 beta E2 added to subconfluent MN7 cultures modulated the transcript level in a negative way, but RNA levels of the investigated osteogenic markers in confluent cultures were stimulated with 100 nM 17 beta-estradiol. No effect of 17 beta-estradiol on proliferation was detected. The present studies have revealed differential osteoblast gene expression related to MN7 cell proliferation and differentiation in vitro and emphasize the importance of 17 beta E2 in the regulation of growth of this preosteoblastic cell line in vitro.
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Affiliation(s)
- E Mathieu
- Department of Biochemistry, University of Antwerp, Wilrijk, Belgium
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Mathieu E, Schoeters G, vander Plaetse F, Merregaert J. Establishment of an osteogenic cell line derived from adult mouse bone marrow stroma by use of a recombinant retrovirus. Calcif Tissue Int 1992; 50:362-71. [PMID: 1571849 DOI: 10.1007/bf00301635] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In order to characterize fibroblastic colony-forming units (CFU-F) from murine bone marrow in relation to osteogenesis, adherent cells of 7-day-old BALB/c mouse bone marrow cultures were infected with a recombinant retrovirus (N2/ delta fosB) containing the bacterial neomycin resistance gene. One of the G418-resistant clones, MN7, was selected for further analysis on the basis of its high expression of the bone-specific alkaline phosphatase. The cells have now been in culture for more than 1 year and maintain a stable phenotype. The osteogenic nature of the immortalized clone MN7 was demonstrated as follows: (1) Mineralization was detected by 85Sr uptake and with the Von Kossa staining method only after in vitro cultivation on a collagen type I matrix. (2) Osteoblastic phenotype markers, including the synthesis of type I collagen, osteonectin, and the bone-specific isoenzyme of alkaline phosphatase were expressed in vitro. (3) MN7 cells responded to bone effectors such as parathyroid hormone and 1,25-dihydroxyvitamin D3. (4) Intraperitoneal injection of MN7 cells into 1-day-old BALB/c mice produced typical osteosarcomas in all animals. We conclude that MN7, derived entirely in vitro from a stromal CFU-F colony, represents a stable murine osteosarcoma cell line expressing the osteoblastic phenotype and provides the first direct evidence needed to establish adult mouse marrow-derived, nonhematopoietic stromal cells as osteoprogenitors.
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Affiliation(s)
- E Mathieu
- University of Antwerp, UIA, Department of Biochemistry, Belgium
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Sonobe H, Mizobuchi H, Manabe Y, Furihata M, Iwata J, Hikita T, Oka T, Ohtsuki Y, Goto T. Morphological characterization of a newly established human osteosarcoma cell line, HS-Os-1, revealing its distinct osteoblastic nature. VIRCHOWS ARCHIV. B, CELL PATHOLOGY INCLUDING MOLECULAR PATHOLOGY 1991; 60:181-7. [PMID: 1679269 DOI: 10.1007/bf02899545] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A newly established human osteosarcoma cell line, HS-Os-1, from an osteoblastic tumor arising in the left humerus of an 11-year-old girl was morphologically characterized in vitro and in vivo. HS-Os-1 cells in a monolayer have been maintained for more than 2 years since the initial cultivation, and were round or polygonal in shape with marked pleomorphism. Their cytoplasm was strongly positive for specific markers of osteoblasts, such as alkaline phosphatase and osteocalcin. Tumors induced in nude mice by HS-Os-1 cell inoculation at passage 12 or 23 revealed typical histological features of osteoblastic osteosarcoma, similar to those observed in the original tumor, producing prominent osteoid matrix with calcification. Ultrastructurally, HS-Os-1 cells in vitro and tumor cells in vivo showed similar well-developed, markedly dilated rough endoplasmic reticulum, polysomes and microfilaments in their cytoplasm. Additionally, many collagen fibers associated with deposition of electron-dense material were detected in the stroma featuring osteoid matrix. Thus, the HS-Os-1 cell line was shown to exhibit its osteoblastic nature in vitro and in vivo, and therefore might become an extremely useful tool for various pathomorphological investigations on human osteosarcomas.
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Affiliation(s)
- H Sonobe
- Second Department of Pathology, Kochi Medical School, Japan
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