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In Vivo Two-photon Imaging Of Experience-dependent Molecular Changes In Cortical Neurons

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Molecular tools for imaging and recording neuronal activity.

Wenjing Wang^1,2,3, Christina K Kim¹, Alice Y Ting^4,5

¹Departments of Genetics, Biology, and Chemistry, Stanford University, Stanford, CA, USA.

Nature Chemical Biology

|January 20, 2019

Summary

Researchers review genetically encoded sensors for monitoring brain activity in awake animals. These tools track neuronal firing events, aiding the study of brain-behavior relationships and identifying future research directions.

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Area of Science:

Neuroscience
Molecular Biology
Genetics

Background:

Understanding the brain-behavior link requires monitoring neural activity in real-time.
Genetically encoded sensors offer a powerful approach for observing neuronal processes.

Purpose of the Study:

To review current genetically encoded tools for detecting and integrating neuronal activity in animals.
To highlight challenges and future opportunities in this field for molecular biologists.

Main Methods:

Review of existing literature on genetically encoded sensors.
Discussion of tools for monitoring action potentials, calcium dynamics, neurotransmitter release, and gene expression.

Main Results:

A variety of genetically encoded sensors are available for neuroscience research.
These tools enable the study of neural activity in awake, behaving animals.

Conclusions:

Genetically encoded sensors are crucial for advancing our understanding of brain function and behavior.
Further development is needed to overcome current limitations and explore new applications.