Genetically encoded fluorescent sensors for studying healthy and diseased nervous systems.

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Drug Discovery Today. Disease Models. 2008;5(1):27-35. doi: 10.1016/j.ddmod.2008.07.003

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Genetically encoded fluorescent sensors for studying healthy and diseased nervous systems. Looger Lab

Tian L, Looger LL

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Abstract

Neurons and glia are functionally organized into circuits and higher-order structures via synaptic connectivity, well-orchestrated molecular signaling, and activity-dependent refinement. Such organization allows the precise information processing required for complex behaviors. Disruption of nervous systems by genetic deficiency or events such as trauma or environmental exposure may produce a diseased state in which certain aspects of inter-neuron signaling are impaired. Optical imaging techniques allow the direct visualization of individual neurons in a circuit environment. Imaging probes specific for given biomolecules may help elucidate their contribution to proper circuit function. Genetically encoded sensors can visualize trafficking of particular molecules in defined neuronal populations, non-invasively in intact brain or reduced preparations. Sensor analysis in healthy and diseased brains may reveal important differences and shed light on the development and progression of nervous system disorders. We review the field of genetically encoded sensors for molecules and cellular events, and their potential applicability to the study of nervous system disease.

PMID: 19461949 [PubMed - indexed for MEDLINE]

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Genetically encoded fluorescent sensors for studying healthy and diseased nervous systems.

Abstract

PMID: 19461949 [PubMed - indexed for MEDLINE]

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