Emerging engineered magnetic nanoparticulate probes for molecular MRI of atherosclerosis: how far have we come?

Rupinder K Kanwar1, Rajneesh Chaudhary, Takuya Tsuzuki

  • 1Nanomedicine, Laboratory of Immunology & Molecular Biomedical Research, Center for Biotechnology & Interdisciplinary Biosciences, Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria 3217, Australia.

Insights

Atherosclerosis diagnosis needs better noninvasive methods to detect vulnerable plaques. Molecular MRI with targeted nanoparticles shows promise for early detection of high-risk lesions before clinical events.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Radiology

Background:

  • Atherosclerosis is a silent, progressive inflammatory disease of arteries, leading to major cardiovascular events like heart attack and stroke.
  • Current diagnostic challenges include the need for safe, noninvasive, and accurate methods to identify high-risk vulnerable plaques before catastrophic events.
  • Understanding the molecular pathogenesis of atherosclerosis is crucial for developing advanced diagnostic tools.

Purpose of the Study:

  • To review the molecular pathogenesis of atherosclerosis.
  • To explore advancements in molecular magnetic resonance imaging (MRI) for atherosclerosis detection.
  • To highlight the potential of novel nanoparticulate probes for identifying vulnerable plaques.

Main Methods:

  • Review of current literature on atherosclerosis pathogenesis.
  • Discussion of molecular MRI techniques and engineered magnetic nanoparticulate probes.
  • Focus on probes targeting molecular and cellular players in early lesion to plaque rupture.

Main Results:

  • Recent understanding of molecular pathogenesis provides new targets for diagnosis.
  • Engineered magnetic nanoparticulate probes show potential for molecular MRI.
  • These probes can target key processes like inflammation, angiogenesis, and apoptosis in vulnerable plaques.

Conclusions:

  • Molecular MRI with targeted nanoparticles offers a promising noninvasive approach for early detection of high-risk atherosclerotic plaques.
  • This technology could enable timely intervention to prevent major cardiovascular events.
  • Further development and validation of these probes are essential for clinical application.

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