Bone Metastasis
Bone Metastasis - Related Videos
08:49
Models of Bone Metastasis
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Cited by 115 •
2012
Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.
07:00
Intra-iliac Artery Injection for Efficient and Selective Modeling of Microscopic Bone Metastasis
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Cited by 43 •
2016
This manuscript provides the detailed procedure of intra-iliac artery (IIA) injection, a technique to deliver cancer cells specifically to hind limb tissues including bones to establish experimental bone metastases. Although initially established with breast tumor models, this protocol can be easily extended to other cancer types.
06:53
Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
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Cited by 14 •
2020
Bone metastasis models do not develop metastasis uniformly or with a 100% incidence. Direct intra-osseous tumor cell injection can result in embolization of the lung. We present our technique modeling primary bone tumors and bone metastasis using solid tumor graft implantation into bone, leading to reproducible engraftment and growth.
12:23
Multi-modal Imaging of Angiogenesis in a Nude Rat Model of Breast Cancer Bone Metastasis Using Magnetic Resonance Imaging, Volumetric Computed Tomography and Ultrasound
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Cited by 16 •
2012
In the pathogenesis of bone metastasis, angiogenesis is a crucial process and therefore represents a target for imaging and therapy. Here, we present a rat model of site-specific breast cancer bone metastasis and describe strategies to non-invasively image angiogenesis in vivo using magnetic resonance imaging, volumetric computed tomography and ultrasound.
08:28
Experimental Metastasis Assay
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Cited by 28 •
2010
This article describes the procedures of an experimental metastasis assay that is used to determine the metastatic potential of human cancer cell lines.
FAQs
After traveling through the circulation, cancer cells interact with the local bone-forming and bone-resorbing activities rather than existing independently of the tissue. These interactions can alter the balance between osteoclasts and osteoblasts, producing conditions that support additional tumor growth while weakening skeletal tissue. This relationship makes the bone microenvironment a central focus of cancer research.
Osteoclasts resorb bone, whereas osteoblasts build it. Bone metastasis can disrupt the coordinated activity of these cell types, so skeletal breakdown and rebuilding no longer remain balanced. Studying this disruption helps researchers connect abnormal bone remodeling with complications such as pain and fractures, while identifying opportunities to target either tumor cells or the remodeling process.
Tumor cells and bone cells can influence one another in ways that promote continued disease activity. Disrupted remodeling may weaken the skeleton, while the altered bone environment can support further tumor growth, creating a reinforcing cycle rather than a single one-time injury. Researching this cycle helps explain why bone involvement can progress and produce recurring skeletal complications.
Cell and animal models provide experimental systems for examining how tumor cells interact with bone and how abnormal remodeling develops. They support investigation of the disease process and the development of potential treatments that target tumor cells or skeletal changes. Findings from these models can also guide the study of biomarkers, imaging strategies, and disease-associated outcomes.
Biomarkers and imaging strategies help researchers assess the presence or effects of skeletal tumor involvement and investigate how the condition changes over time. Within cancer research, these approaches support risk assessment and evaluation of disease-related bone changes. Their development is intended to improve understanding of patient status and help guide efforts to control complications.
The two targets address different parts of the disease process. Treatments directed at tumor cells focus on the cancerous component, whereas approaches aimed at abnormal bone remodeling address the disrupted activity of osteoclasts and osteoblasts. Studying both strategies is relevant because bone metastasis combines tumor growth with skeletal damage, and research aims to improve symptom control and patient outcomes.