Early loss of somatostatin neurons in dentate hilus after cerebral ischemia in the rat precedes CA-1 pyramidal cell loss.
Research output: Contribution to journal › Journal article › Research › peer-review
Somatostatin (SS)- and cholecystokinin (CCK)-immunopositive cell somata in the rat hippocampus were quantitated at day 1, 2, 3 and 4 after cerebral ischemia. A significant (P less than 0.01) 60%-80% loss of hilar and CA-3c SS neurons took place. No CCK neurons were lost. Damage to SS neurons was significant on the second postischemic day and preceded the delayed loss of CA-1 neurons. We speculate that loss of SS neurons, which presumably innervate the inhibitory GABAergic (gamma-aminobutyric acid) interneurons, may induce hyperactivity stimulating the Ca-1 neurons to death.
Original language | English |
---|---|
Journal | Acta Neuropathologica |
Volume | 73 |
Issue number | 2 |
Pages (from-to) | 110-4 |
Number of pages | 4 |
ISSN | 0001-6322 |
Publication status | Published - 1987 |
Externally published | Yes |
Bibliographical note
Keywords: Animals; Brain Ischemia; Cholecystokinin; Hippocampus; Male; Neurons; Rats; Rats, Inbred Strains; Somatostatin
ID: 5259516