ArticleClinical & experimental metastasis2013
A micro-imaging study linking bone cancer pain with tumor growth and bone resorption in a rat model.
Article in Clinical & experimental metastasis, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 16 citations in OpenAlex.
- Dichotomic effects of clinically used drugs on tumor growth, bone remodeling and pain management.Scientific reports · 2019Article
- Effect of sex in the MRMT-1 model of cancer-induced bone pain.F1000Research · 2015Article
- Using animal models to understand cancer pain in humans.Current pain and headache reports · 2014Review
- Conjugation of a brain-penetrant peptide with neurotensin provides antinociceptive properties.The Journal of clinical investigation · 2014Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Bone metastases represent a frequent complication of advanced breast cancer. As tumor growth-induced bone remodeling progresses, episodes of severe pain and fractures of weight-bearing limbs increase. All of these skeletal-related events influence the patient's quality of life and survival. In the present study, we sought to determine whether some of these pain-related behaviors could be directly correlated to tumor progression and bone remodeling. For this purpose, we used a rat model of bone cancer pain based on the implantation of mammary carcinoma cells in the medullary cavity of the femur. The bone content and tumor growth were monitored over time by magnetic resonance imaging (MRI) and micro X-ray computed tomography (μCT). The same animals were evaluated for changes in their reflexive withdrawal responses to mechanical stimuli (allodynia) and weight-bearing deficits. As assessed by MRI, we found a negative correlation between tumor volume and allodynia or postural deficits throughout the experiment. Using μCT, we found that the bone volume/total volume (BV/TV) ratios for trabecular and cortical bone correlated with both mechanical hypersensitivity and weight-bearing impairment. However, whereas trabecular BV/TV stabilized between days 7 and 10 post-tumor detection, the cortical bone loss reached its maximum at that time. Our imaging approach also allowed us to consistently detect the tumor before the onset of pain, paving the way for the preemptive identification of at-risk patients. Altogether, these results improve our understanding of the events leading to tumor-induced bone pain and could eventually help in the design of novel strategies for the management of bone diseases.
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