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Entenberg D, Oktay MH, Condeelis JS. Intravital imaging to study cancer progression and metastasis. Nat Rev Cancer 2023; 23:25-42. [PMID: 36385560 PMCID: PMC9912378 DOI: 10.1038/s41568-022-00527-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/11/2022] [Indexed: 11/17/2022]
Abstract
Navigation through the bulk tumour, entry into the blood vasculature, survival in the circulation, exit at distant sites and resumption of proliferation are all steps necessary for tumour cells to successfully metastasize. The ability of tumour cells to complete these steps is highly dependent on the timing and sequence of the interactions that these cells have with the tumour microenvironment (TME), including stromal cells, the extracellular matrix and soluble factors. The TME thus plays a major role in determining the overall metastatic phenotype of tumours. The complexity and cause-and-effect dynamics of the TME cannot currently be recapitulated in vitro or inferred from studies of fixed tissue, and are best studied in vivo, in real time and at single-cell resolution. Intravital imaging (IVI) offers these capabilities, and recent years have been a time of immense growth and innovation in the field. Here we review some of the recent advances in IVI of mammalian models of cancer and describe how IVI is being used to understand cancer progression and metastasis, and to develop novel treatments and therapies. We describe new techniques that allow access to a range of tissue and cancer types, novel fluorescent reporters and biosensors that allow fate mapping and the probing of functional and phenotypic states, and the clinical applications that have arisen from applying these techniques, reporters and biosensors to study cancer. We finish by presenting some of the challenges that remain in the field, how to address them and future perspectives.
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Affiliation(s)
- David Entenberg
- Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Integrated Imaging Program, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Department of Pathology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
| | - Maja H Oktay
- Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Integrated Imaging Program, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Department of Pathology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Department of Surgery, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
| | - John S Condeelis
- Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Integrated Imaging Program, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Department of Surgery, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
- Department of Cell Biology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA.
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Longitudinal imaging of the ageing mouse. Mech Ageing Dev 2016; 160:93-116. [PMID: 27530773 DOI: 10.1016/j.mad.2016.08.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 07/30/2016] [Accepted: 08/04/2016] [Indexed: 12/13/2022]
Abstract
Several non-invasive imaging techniques are used to investigate the effect of pathologies and treatments over time in mouse models. Each preclinical in vivo technique provides longitudinal and quantitative measurements of changes in tissues and organs, which are fundamental for the evaluation of alterations in phenotype due to pathologies, interventions and treatments. However, it is still unclear how these imaging modalities can be used to study ageing with mice models. Almost all age related pathologies in mice such as osteoporosis, arthritis, diabetes, cancer, thrombi, dementia, to name a few, can be imaged in vivo by at least one longitudinal imaging modality. These measurements are the basis for quantification of treatment effects in the development phase of a novel treatment prior to its clinical testing. Furthermore, the non-invasive nature of such investigations allows the assessment of different tissue and organ phenotypes in the same animal and over time, providing the opportunity to study the dysfunction of multiple tissues associated with the ageing process. This review paper aims to provide an overview of the applications of the most commonly used in vivo imaging modalities used in mouse studies: micro-computed-tomography, preclinical magnetic-resonance-imaging, preclinical positron-emission-tomography, preclinical single photon emission computed tomography, ultrasound, intravital microscopy, and whole body optical imaging.
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Schaefer C, Schroeder M, Fuhrhop I, Viezens L, Otten J, Fiedler W, Rüther W, Hansen-Algenstaedt N. Primary tumor dependent inhibition of tumor growth, angiogenesis, and perfusion of secondary breast cancer in bone. J Orthop Res 2011; 29:1251-8. [PMID: 21381098 DOI: 10.1002/jor.21402] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2010] [Accepted: 02/10/2011] [Indexed: 02/04/2023]
Abstract
The systemic balance of angiogenic and anti-angiogenic factors has been proposed to play a key-role in primary tumor growth dependent growth suppression of secondary tumors. Despite the importance of the organ microenvironment to angiogenesis and microcirculation, the influence of a primary tumor on secondary bone tumors has not been investigated so far. Since breast cancer has a high propensity to spread to bone, we used an in vivo xenograft model to determine the impact of growing breast cancer cells (MCF-7) in the mammary fat pad on the microvascular properties of subsequently inoculated secondary breast cancer tumors in bone. Mice were either treated with a resection of the primary tumor (n = 10) or no surgery (n = 9) and intravital microscopy was performed over 25 days in bone tumors. Tumor growth in bone was temporarily suppressed by the primary tumor on days 10 and 14. While microvascular permeability and vascular diameter decreased in both groups over time, the presence of the primary tumor was accompanied by a decreased tumor perfusion on days 8 and 10 through a reduction in vessels with diameters between 5 and 20 µm. The results imply a potential benefit of a therapeutic regime in which the resection of the primary tumor is combined with an anti-angiogenic therapy in the perioperative or direct postoperative period. This might result in reduced progression of bone metastasis subsequent to excision of the primary tumor.
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Affiliation(s)
- Christian Schaefer
- Orthopaedic Spine Surgery, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.
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Lunt SJ, Gray C, Reyes-Aldasoro CC, Matcher SJ, Tozer GM. Application of intravital microscopy in studies of tumor microcirculation. JOURNAL OF BIOMEDICAL OPTICS 2010; 15:011113. [PMID: 20210439 DOI: 10.1117/1.3281674] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
To grow and progress, solid tumors develop a vascular network through co-option and angiogenesis that is characterized by multiple structural and functional abnormalities, which negatively influence therapeutic outcome through direct and indirect mechanisms. As such, the morphology and function of tumor blood vessels, plus their response to different treatments, are a vital and active area of biological research. Intravital microscopy (IVM) has played a key role in studies of tumor angiogenesis, and ongoing developments in molecular probes, imaging techniques, and postimage analysis methods have ensured its continued and widespread use. In this review we discuss some of the primary advantages and disadvantages of IVM approaches and describe recent technological advances in optical microscopy (e.g., confocal microscopy, multiphoton microscopy, hyperspectral imaging, and optical coherence tomography) with examples of their application to studies of tumor angiogenesis.
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Affiliation(s)
- Sarah Jane Lunt
- University of Sheffield, School of Medicine, Department of Oncology, Sheffield, United Kingdom
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Iguchi K, Oh G, Ookawa K, Yanagi K, Sakai M, Yamamoto T, Ishikawa S, Onizuka M. In vivo observation of pulmonary micrometastasis of colon cancer in normal rats. Microvasc Res 2007; 73:206-13. [PMID: 17382972 DOI: 10.1016/j.mvr.2007.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2006] [Revised: 01/11/2007] [Accepted: 02/13/2007] [Indexed: 11/16/2022]
Abstract
The initial kinetics of cancer cell metastasis to organs requires investigation to establish an effective strategy against malignant disease. In vivo observation of pulmonary micrometastasis at an extremely early stage is of particular importance, and it is desirable from a clinical perspective to use an animal model with a normal immune system. RCN-9 cells labeled with green fluorescent protein were injected into the liver parenchyma of Fischer F344 male rats and the lungs were observed using real-time confocal laser scanning microscopy from 3 to 10 weeks after injection. Metastasis at the single cell level was observed throughout this period, but the number of pulmonary micrometastases did not increase significantly with time. The largest metastasis was 300 mum in diameter, and the mean size of the metastases did not increase with time. There were two types of micrometastases in terms of shape: round and linear metastases, with the latter resembling the pulmonary microvasculature. The precise location of each pulmonary micrometastasis was revealed by acridine orange infusion. We could observe a single cancer cell and a small cancer mass in endothelial and interstitial locations in vivo, and we found proliferating cancer cells both inside and outside of microvessels. Most of the pulmonary micrometastases stayed dormant as a single cell or a cancer mass of less than 100 microm in diameter until 10 weeks after cancer-cell injection into the liver.
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Affiliation(s)
- Kesato Iguchi
- Graduate School of Comprehensive Human Sciences, Department of Respiratory Surgery, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
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Erbay SH, O'Callaghan MG, Bhadelia RA, Polak JF. Unusual case of 2 renal cell carcinoma metastases ipsilateral to an occluded internal carotid artery. J Neuroimaging 2006; 16:176-8. [PMID: 16629743 DOI: 10.1111/j.1552-6569.2006.00022.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Hemodynamic factors may play a role in the seeding and subsequent growth of cerebral metastasis. The authors present a case with 2 foci of cerebral metastasis in the same vascular territory ipsilateral to an occluded internal carotid artery. A 65-year-old man with chronic left frontal lobe infarct and left internal carotid artery occlusion was diagnosed with 2 large hemorrhagic metastases in the left middle cerebral artery territory. Diminished flow signals were seen in the trunk and branches of the left middle cerebral artery on magnetic resonance angiography. This case illustrates preferential seeding and growth of cerebral metastases in a region of the brain with diminished blood flow.
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Affiliation(s)
- Sami H Erbay
- Department of Radiology, Tufts-New England Medical Center Hospitals, Boston, Massachusetts 02111, USA.
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Storey BT, Pittman HK, Christian JF, Haisch CE, Verbanac KM. Characterization of Lewis lung clonal variants in a model of syngeneic pulmonary murine metastases. Clin Exp Metastasis 2004; 21:265-73. [PMID: 15387377 DOI: 10.1023/b:clin.0000037728.44457.13] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Lung cancer is the leading cause of cancer-related mortality world-wide. Since the majority of cancer deaths result from metastatic complications, understanding cellular alterations contributing to organ specific metastases is a continuing cancer research goal. Desirable models involve easy, efficient methodologies for development of pulmonary metastases utilizing genetically related syngeneic tumor cell lines varying in clonogenic frequency and growth rate for comparative studies. This work focused on development and characterization of primary and metastatic Lewis lung subclones (LLCC3, LLC1, LLCab) in a histocompatible C57B1/6 model. Surgical resection of primary tumors utilizing these cell lines resulted in reliable development of pulmonary metastases (> 90% of injected mice), while tail-vein injection proved sporadic (20% of injected mice). The preliminary analysis of selected cell-surface molecules indicates potential genetic differences that may underlie phenotypic variations. The combination of subcutaneous resection methodology and variant cell lines results in robust metastatic lung cancer for testing potential therapeutic interventions.
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Affiliation(s)
- Bill T Storey
- Department of Pathology and Laboratory Medicine, Brown University School of Medicine and Division of Medical Oncology, Rhode Island Hospital, Providence, Rhode Island 02903, USA.
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