Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1984-8-24
pubmed:abstractText
Unilateral microinjection of GABA agonists into the pedunculopontine nucleus (PPN) of the rat resulted in contraversive postural asymmetry and circling behavior; GABA antagonists caused ipsiversive asymmetry and circling when applied to the PPN. A hemitransection was placed immediately caudal to substantia nigra (SN) and rostral to PPN in order to interrupt all connections between the PPN and ipsilateral forebrain nuclei. After hemitransection, microinjection of GABAergic drugs into the PPN on the hemitransected side produced postural asymmetry and circling identical to that observed in intact rats. The hemitransection resulted in a loss of glutamic acid decarboxylase activity in PPN (25%) not substantially greater than that observed in animals with unilateral destruction of SN, indicating that a major proportion of GABA terminals in PPN are derived from hindbrain sources. It appears that forebrain (that is, nigrotegmental) GABAergic projections are not essential for the GABA-mediated asymmetry elicited from PPN.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0006-8993
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
304
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
387-91
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1984
pubmed:articleTitle
Circling behavior elicited from the pedunculopontine nucleus: evidence for the involvement of hindbrain GABAergic projections.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.