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Related Experiment Video

Updated: Mar 9, 2026

Multi-layer Cortical Ca2+ Imaging in Freely Moving Mice with Prism Probes and Miniaturized Fluorescence Microscopy

Multi-layer Cortical Ca2+ Imaging in Freely Moving Mice with Prism Probes and Miniaturized Fluorescence Microscopy

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A SLM2 Feedback Pathway Controls Cortical Network Activity and Mouse Behavior.

Ingrid Ehrmann¹, Matthew R Gazzara², Vittoria Pagliarini³

¹Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK.

|December 24, 2016

Summary

This summary is machine-generated.

SLM2 protein levels are auto-regulated to maintain brain network activity. Loss of SLM2 in mice impairs neural network function, leading to anxiety and reduced novel object recognition, highlighting its role in brain function.

Keywords:

Neurexin splicing RNA binding proteins RNA-seq alternative splicing brain gene expression hippocampus neuron transcriptome

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Last Updated: Mar 9, 2026

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Published on: June 13, 2017

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Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

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Published on: June 29, 2018

Area of Science:

Neuroscience
Molecular Biology
Genetics

Background:

The brain relies on trillions of synaptic connections forming neural networks for function.
SLM2, an RNA-binding protein, is part of a family regulating pre-mRNA splicing.
The role of SLM2 in neural network activity was previously unknown.

Purpose of the Study:

To investigate the role of SLM2 in regulating neural network activity and behavior.
To elucidate the homeostatic control mechanisms of SLM2.

Main Methods:

Analysis of SLM2 homeostatic feedback control pathways.
Investigation of SLM2's role in splicing of key synaptic genes.
Assessment of neural network activity and behavior in Slm2-null mice.

Main Results:

SLM2 levels are maintained by a conserved homeostatic feedback pathway.
SLM2 regulates the splicing of multiple genes crucial for synapse function.
Slm2-null mice exhibit decreased cortical neural network activity.
Slm2-null mice display anxiety and impaired novel object recognition.

Conclusions:

SLM2 plays a critical role in regulating brain network activity and behavior.
A pathway of SLM2 homeostatic auto-regulation controls neural function.
SLM2 is essential for normal synaptic connections and cognitive processes.