Abstract
In this study of the rat hippocampal CA1 stratum radiatum 4 days after 20 min transient cerebral ischaemia, we demonstrated ultrastructural dendritic degeneration and loss, whereas most axons appeared undamaged. Autoradiographs 4 days after ischaemia showed unchanged Na+-dependent glutamate high affinity uptake. The role of glutamate and Ca2+ for this selective postsynaptic vulnerability is discussed.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Axons / ultrastructure
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Calcium / metabolism
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Dendrites / ultrastructure
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Glutamates / metabolism*
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Glutamic Acid
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Hippocampus / metabolism
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Hippocampus / pathology*
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Ischemic Attack, Transient / metabolism
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Ischemic Attack, Transient / pathology*
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Male
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Microscopy, Electron
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Rats
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Rats, Inbred Strains
Substances
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Glutamates
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Glutamic Acid
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Calcium