Manganese-Enhanced Magnetic Resonance Imaging: Application in Central Nervous System Diseases

Jun Yang1, Qinqing Li1

  • 1Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital & Cancer Center, Kunming, China.

Frontiers in Neurology
|March 13, 2020
PubMed

Insights

Manganese-enhanced MRI (MEMRI) uses Mn2+ to visualize brain structures and neural activity. This technique aids in studying central nervous system diseases, including neurodegeneration and injuries, in preclinical models.

Area of Science:

  • Neuroimaging
  • Biophysics
  • Cellular Neuroscience

Background:

  • Manganese-enhanced MRI (MEMRI) leverages the paramagnetic properties of Mn2+.
  • Mn2+ acts as a calcium analog, entering excitable cells via voltage-gated calcium channels.
  • Fast axonal transport facilitates Mn2+ movement along neuronal axons.

Purpose of the Study:

  • To review the applications of MEMRI in studying central nervous system (CNS) diseases.
  • To highlight MEMRI's utility in preclinical models for understanding disease mechanisms.
  • To explore MEMRI's role in neuroanatomy, neural activity monitoring, and axonal transport assessment.

Main Methods:

  • Utilizing Mn2+ as a contrast agent in MRI.
  • Exploiting Mn2+ uptake through voltage-gated calcium channels.
  • Leveraging fast axonal transport for neuronal tracing.

Main Results:

  • MEMRI effectively visualizes neuroanatomical structures.
  • The technique monitors neural activity and evaluates axonal transport rates.
  • MEMRI provides valuable insights into CNS disease mechanisms in preclinical models.

Conclusions:

  • MEMRI is a versatile tool for neuroscience research.
  • Its application extends to various CNS conditions, including neurodegenerative diseases and injuries.
  • MEMRI enhances the study of disease mechanisms in preclinical settings.

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