A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging.
BACKGROUND: Osteosarcoma (OSA) is lethal when metastatic after chemotherapy and/or surgical treatment. Thus animal models are necessary to study the OSA metastatic spread and to validate novel therapies able to control the systemic disease. We report the development of a syngeneic (Balb/c) murine OS...
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doaj-8cb0f2b013c04a7b89106a7571a201c12020-11-25T01:57:35ZengPublic Library of Science (PLoS)PLoS ONE1932-62032008-01-0133e182810.1371/journal.pone.0001828A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging.Silvia MirettiIlaria RoatoRiccardo TaulliCarola PonzettoMichele CilliMartina OliveroMaria Flavia Di RenzoLaura GodioAdriana AlbiniPaolo BuraccoRiccardo FerraciniBACKGROUND: Osteosarcoma (OSA) is lethal when metastatic after chemotherapy and/or surgical treatment. Thus animal models are necessary to study the OSA metastatic spread and to validate novel therapies able to control the systemic disease. We report the development of a syngeneic (Balb/c) murine OSA model, using a cell line derived from a spontaneous murine tumor. METHODOLOGY: The tumorigenic and metastatic ability of OSA cell lines were assayed after orthotopic injection in mice distal femur. Expression profiling was carried out to characterize the parental and metastatic cell lines. Cells from metastases were propagated and engineered to express Luciferase, in order to follow metastases in vivo. PRINCIPAL FINDINGS: Luciferase bioluminescence allowed to monitor the primary tumor growth and revealed the appearance of spontaneous pulmonary metastases. In vivo assays showed that metastasis is a stable property of metastatic OSA cell lines after both propagation in culture and luciferase trasduction. When compared to parental cell line, both unmodified and genetically marked metastatic cells, showed comparable and stable differential expression of the enpp4, pfn2 and prkcd genes, already associated to the metastatic phenotype in human cancer. CONCLUSIONS: This OSA animal model faithfully recapitulates some of the most important features of the human malignancy, such as lung metastatization. Moreover, the non-invasive imaging allows monitoring the tumor progression in living mice. A great asset of this model is the metastatic phenotype, which is a stable property, not modifiable after genetic manipulation.http://europepmc.org/articles/PMC2265554?pdf=render |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Silvia Miretti Ilaria Roato Riccardo Taulli Carola Ponzetto Michele Cilli Martina Olivero Maria Flavia Di Renzo Laura Godio Adriana Albini Paolo Buracco Riccardo Ferracini |
spellingShingle |
Silvia Miretti Ilaria Roato Riccardo Taulli Carola Ponzetto Michele Cilli Martina Olivero Maria Flavia Di Renzo Laura Godio Adriana Albini Paolo Buracco Riccardo Ferracini A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging. PLoS ONE |
author_facet |
Silvia Miretti Ilaria Roato Riccardo Taulli Carola Ponzetto Michele Cilli Martina Olivero Maria Flavia Di Renzo Laura Godio Adriana Albini Paolo Buracco Riccardo Ferracini |
author_sort |
Silvia Miretti |
title |
A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging. |
title_short |
A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging. |
title_full |
A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging. |
title_fullStr |
A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging. |
title_full_unstemmed |
A mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by Luciferase imaging. |
title_sort |
mouse model of pulmonary metastasis from spontaneous osteosarcoma monitored in vivo by luciferase imaging. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS ONE |
issn |
1932-6203 |
publishDate |
2008-01-01 |
description |
BACKGROUND: Osteosarcoma (OSA) is lethal when metastatic after chemotherapy and/or surgical treatment. Thus animal models are necessary to study the OSA metastatic spread and to validate novel therapies able to control the systemic disease. We report the development of a syngeneic (Balb/c) murine OSA model, using a cell line derived from a spontaneous murine tumor. METHODOLOGY: The tumorigenic and metastatic ability of OSA cell lines were assayed after orthotopic injection in mice distal femur. Expression profiling was carried out to characterize the parental and metastatic cell lines. Cells from metastases were propagated and engineered to express Luciferase, in order to follow metastases in vivo. PRINCIPAL FINDINGS: Luciferase bioluminescence allowed to monitor the primary tumor growth and revealed the appearance of spontaneous pulmonary metastases. In vivo assays showed that metastasis is a stable property of metastatic OSA cell lines after both propagation in culture and luciferase trasduction. When compared to parental cell line, both unmodified and genetically marked metastatic cells, showed comparable and stable differential expression of the enpp4, pfn2 and prkcd genes, already associated to the metastatic phenotype in human cancer. CONCLUSIONS: This OSA animal model faithfully recapitulates some of the most important features of the human malignancy, such as lung metastatization. Moreover, the non-invasive imaging allows monitoring the tumor progression in living mice. A great asset of this model is the metastatic phenotype, which is a stable property, not modifiable after genetic manipulation. |
url |
http://europepmc.org/articles/PMC2265554?pdf=render |
work_keys_str_mv |
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