RGD targeting of human ferritin iron oxide nanoparticles can enhance in vivo carotid MRI of experimental atherosclerosis
2011
Enhanced MRI Detection of Atherosclerosis Using RGD-Targeted Nanoparticles
Sample size: 14
publication
Evidence: moderate
Author Information
Author(s): Kitagawa Toshiro, Kosuge Hisanori, Uchida Masaki, Douglas Trevor, McConnell Michael V
Primary Institution: Stanford University School of Medicine
Hypothesis
RGD-conjugated HFn-iron oxide nanoparticles can enhance in vivo MRI detection of murine carotid atherosclerosis.
Conclusion
RGD-targeted nanoparticles provide better imaging of atherosclerosis compared to non-targeted nanoparticles.
Supporting Evidence
- Both RGD+ and RGD- HFn nanoparticles caused a reduction in lumen size of the ligated left carotid arteries.
- The effect was significantly greater with RGD+ HFn compared to RGD- HFn.
- Perl’s iron staining confirmed greater accumulation of RGD+ HFn in the lesion compared to RGD- HFn.
Takeaway
Scientists used special nanoparticles to see inside mice's arteries better, helping them understand heart disease.
Methodology
Mice underwent carotid ligation and were injected with either RGD+ or RGD- HFn nanoparticles, followed by MRI imaging.
Participant Demographics
Fourteen FVB mice were used in the study.
Statistical Information
P-Value
0.01
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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