Abstract:
:Glufosinate ammonium, a structural analogue of glutamate, is an active herbicidal ingredient. The neuronal activities of this compound were investigated by use of a microdialysis system that allowed us to measure nitric oxide production in the rat cerebellum in vivo. Kainate (0.3-30 nmol/10 microliter), N-methyl-D-aspartate (NMDA) (3-300 nmol/10 microliter) and glufosinate ammonium (30-3000 nmol/10 microliter), which were administered through the microdialysis probe at a rate of 1 microliter/min for 10 min, stimulated nitric oxide production. The glufosinate ammonium-elicited increase in nitric oxide production was suppressed by an inhibitor of nitric oxide synthase and was antagonized by NMDA receptor antagonists, but not by a kainate/(+/-)-alphaamino-3-hydroxy-5-methylisoxazole-4-propionic acid receptor antagonist. These results suggest that glufosinate ammonium stimulates nitric oxide production through NMDA receptors.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Nakaki T,Mishima A,Suzuki E,Shintani F,Fujii Tdoi
10.1016/s0304-3940(00)01363-xkeywords:
subject
Has Abstractpub_date
2000-09-01 00:00:00pages
209-12issue
3eissn
0304-3940issn
1872-7972pii
S030439400001363Xjournal_volume
290pub_type
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