RT Journal Article
SR Electronic
T1 Comparison of Hippocampal Dendritic Spines in Culture and in Brain
JF The Journal of Neuroscience
JO J. Neurosci.
FD Society for Neuroscience
SP 5294
OP 5300
DO 10.1523/JNEUROSCI.18-14-05294.1998
VO 18
IS 14
A1 Christopher Boyer
A1 Thomas Schikorski
A1 Charles F. Stevens
YR 1998
UL http://www.jneurosci.org/content/18/14/5294.abstract
AB We have quantified hippocampal spine structure at the light and ultrastructural levels in cell cultures ∼1- 3 weeks old and in the brains of rodents 5 and 21 d old. The number of spines bearing synapses increases with age in cultures and in brain, but the structures are similar in both. In culture, about half of the synapses are formed on spines and the remainder are formed on dendritic shafts. In the 5-d-old brain, about half of the synapses occur on dendritic shafts, by 3 weeks of age only ∼20% of synapses are found on dendritic shafts, and in the adult shaft synapses are very rare.