Culturing hippocampal and cortical neurons

Area of Science:

• Neuroscience
• Cell Biology
• Biochemistry

Background:

• Primary cultures of rat and mouse hippocampus and cerebral cortex are essential for studying neuronal properties.
• Existing protocols for long-term, pure neuronal cultures can be complex.
• Short-term culturing is often straightforward, but long-term cultures require more effort.

Purpose of the Study:

• To describe simpler, effective protocols for establishing long-term primary neuronal cultures.
• To provide methods for obtaining relatively pure neuronal populations from hippocampus and cerebral cortex.
• To facilitate the study of neuronal properties like axonal extension, synaptic transmission, and excitotoxicity.

Main Methods:

• Utilizing simplified techniques for cleaning and coating coverslips.
• Employing glia-conditioned medium to avoid individual neuron-glia cocultures.
• Dissecting rat and mouse hippocampus and cerebral cortex for primary culture establishment.

Main Results:

• Protocols consistently yield hippocampal and cortical cultures with dendritic spines and synapses.
• Neuronal cultures survive for over 3 weeks.
• Cortical neurons provide substantial tissue for biochemical assays requiring large protein amounts.

Conclusions:

• The described methods offer a less complicated approach to long-term primary neuronal culturing.
• These simplified protocols enable the study of neuronal properties in well-defined cultures.
• The methods are suitable for researchers needing pure neuronal populations for various neuroscience applications.