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Seeing how we smell
Helene Benveniste, … , Yuri Lazebnik, Nora D. Volkow
Helene Benveniste, … , Yuri Lazebnik, Nora D. Volkow
Published January 23, 2017
Citation Information: J Clin Invest. 2017;127(2):447-449. https://doi.org/10.1172/JCI91305.
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Seeing how we smell

Abstract

PET allows noninvasive imaging of a variety of events in the body, including the activity of neuronal circuits in the brain that are involved in cognition and behaviors, by using radiotracers that detect relevant biological reactions. A major impediment to expanding PET applications to study the brain has been the lack of radiotracers that can identify and measure specific types of neurons or glial cells. In this issue of the JCI, Van de Bittner and colleagues describe a promising step toward solving this problem by identifying and describing a radiotracer, [11C]GV1-57, that appears to specifically label olfactory sensory neurons (OSNs), which are essential for olfaction (Figure 1). This tracer, if its specificity is confirmed, has the potential to become a prototype for future radiotracers that can identify other neuronal cell types and would allow visualization and in-depth characterization of these neurons and their genesis.

Authors

Helene Benveniste, Yuri Lazebnik, Nora D. Volkow

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