Journal
AMERICAN JOURNAL OF NEURORADIOLOGY
Volume 31, Issue 9, Pages 1577-1583Publisher
AMER SOC NEURORADIOLOGY
DOI: 10.3174/ajnr.A2264
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Funding
- Center for Translational Molecular Medicine
- Netherlands Science Organization [NWO-Veni 700.56.407, NWO-Athena700.58.801]
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In the foreseeable future, the MI field could greatly assist neuroradiologists. Reporter molecules provide information on specific molecular or cellular events that could not only aid diagnosis but potentially differentiate stages of disorders and treatments. To accomplish this, reporter molecules literally need to pass a barrier, the BBB, which is designed to repel nonessential molecules from the brain. Although this is not a trivial task, several transport systems could be tricked into guiding molecules into the brain. The noninvasive nature in conjunction with a wide availability makes MR imaging particularly suitable for longitudinal neurologic imaging studies. This review explains the principles of MR imaging contrast, delineates different types of reporter molecules, and describes strategies to transport reporters into the brain. It also discusses recent advances in MR imaging hardware, pulse sequences, the development of targeted reporter probes, and future directions of the MR neuroimaging field.
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