Isolated hippocampal neurons in cryopreserved long-term cultures: Development of neuroarchitecture and sensitivity to NMDA

Mark P. Mattson, S. B. Kater

Research output: Contribution to journalArticle

Abstract

Isolated neurons in long-term culture provide a unique opportunity to address important problems in neuronal development. In the present study we established conditions for cryopreservation and long-term primary culture of isolated embryonic hippocampal neurons. This culture system was then used for initial characterizations of the development of neuroarchitecture and neurotransmitter response systems. Cryoprotection with 8% dimethylsulfoxide, slow freezing, and rapid thawing provided high-yield cultures which appeared normal in terms of cell types, mitotic ability, axonal and dendritic outgrowth, and sensitivity to glutamate neurotoxicity. A reduced medium volume and moderate elevation in extracellular K+ to 20 mM promoted survival of isolated neurons through 3 weeks of culture. The outgrowth of axons and dendrites in pyramidal-like neurons was found to differ over a 3-week culture period such that axons continued to grow at a relatively constant rate while dendritic outgrowth slowed during the second week and ceased by the end of week 3. Developmental changes were also observed in the sensitivity of pyramidal neurons to glutamate neurotoxicity; functional kainate/ quisqualate receptors were present during the first week of culture, while responses to N-methyl-d-aspartic acid (NMDA) did not appear until the second week. The technologies for cryopreservation and long-term culture of isolated hippocampal neurons reported here provide a useful system in which to address a variety of problems in developmental neuroscience.

Original languageEnglish (US)
Pages (from-to)439-452
Number of pages14
JournalInternational Journal of Developmental Neuroscience
Volume6
Issue number5
DOIs
StatePublished - 1988
Externally publishedYes

Fingerprint

Aspartic Acid
Neurons
Pyramidal Cells
Cryopreservation
Glutamic Acid
Kainic Acid Receptors
AMPA Receptors
Neurosciences
Dendrites
Dimethyl Sulfoxide
Freezing
Neurotransmitter Agents
Axons
Technology

Keywords

  • Axonal and dendritic outgrowth
  • cell survival
  • depolarization
  • dimethylsulfoxide
  • glutamate
  • hippocampus
  • neuroarchitecture
  • pyramidal neurons

ASJC Scopus subject areas

  • Developmental Biology
  • Developmental Neuroscience

Cite this

Isolated hippocampal neurons in cryopreserved long-term cultures : Development of neuroarchitecture and sensitivity to NMDA. / Mattson, Mark P.; Kater, S. B.

In: International Journal of Developmental Neuroscience, Vol. 6, No. 5, 1988, p. 439-452.

Research output: Contribution to journalArticle

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