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Article: A Morphological Study of Neurons Expressing NADPH Diaphorase Activity in the Visual Cortex of the Golden Hamster

TitleA Morphological Study of Neurons Expressing NADPH Diaphorase Activity in the Visual Cortex of the Golden Hamster
Authors
Issue Date1996
PublisherS Karger AG. The Journal's web site is located at http://www.karger.com/BBE
Citation
Brain, Behavior And Evolution, 1996, v. 48 n. 4, p. 221-230 How to Cite?
AbstractThe distribution of the enzyme nicotinamide adenine dinucleotide phosphate (NADPH) diaphorase, which is identical to nitric oxide synthase (NOS), was examined in cortical area 17 and the 17/18a border region in the brain of the golden hamster. The activity of the enzyme was present as a network of processes and in special populations of neurons in the visual cortex. The dense enzyme-positive network exhibited numerous varicosities distributed throughout the cortex. The prominent orientation of the processes in layer I and the white matter are parallel to the surface of the brain, but those in layers II-IV are perpendicular to the surface of the brain. However, the processes in layers V and VI seem to run randomly. The NADPH diaphorase-positive cells could be divided into two classes: heavily stained neurons and lightly stained neurons. For the lightly stained NADPH diaphorase-positive neurons, only the cell bodies could be observed, whereas for the heavily stained neurons, the cell bodies and their varicosity-carrying dendrites and, occasionally, the smooth, thin and weakly stained axons were visible. The heavily stained neurons were morphologically diverse, but no pyramidal or spiny neurons were found. Multipolar and bipolar neurons were located throughout the depth of the cortex, including the white matter, more frequently in layers V and VI. Occasionally, monopolar neurons were found in layer VI. Callosal projecting neurons in the visual cortex were labeled retrogradely with the use of FluoSpheres applied at the opposite visual cortex, but these neurons did not co-localize with the NADPH diaphorase-positive neurons, suggesting that the callosal projecting neurons and NADPH diaphorase-positive neurons belong to two populations of cells in the visual cortex.
Persistent Identifierhttp://hdl.handle.net/10722/67812
ISSN
2015 Impact Factor: 2.103
2015 SCImago Journal Rankings: 1.075
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorXiao, YMen_HK
dc.contributor.authorDiao, YCen_HK
dc.contributor.authorSo, KFen_HK
dc.date.accessioned2010-09-06T05:58:28Z-
dc.date.available2010-09-06T05:58:28Z-
dc.date.issued1996en_HK
dc.identifier.citationBrain, Behavior And Evolution, 1996, v. 48 n. 4, p. 221-230en_HK
dc.identifier.issn0006-8977en_HK
dc.identifier.urihttp://hdl.handle.net/10722/67812-
dc.description.abstractThe distribution of the enzyme nicotinamide adenine dinucleotide phosphate (NADPH) diaphorase, which is identical to nitric oxide synthase (NOS), was examined in cortical area 17 and the 17/18a border region in the brain of the golden hamster. The activity of the enzyme was present as a network of processes and in special populations of neurons in the visual cortex. The dense enzyme-positive network exhibited numerous varicosities distributed throughout the cortex. The prominent orientation of the processes in layer I and the white matter are parallel to the surface of the brain, but those in layers II-IV are perpendicular to the surface of the brain. However, the processes in layers V and VI seem to run randomly. The NADPH diaphorase-positive cells could be divided into two classes: heavily stained neurons and lightly stained neurons. For the lightly stained NADPH diaphorase-positive neurons, only the cell bodies could be observed, whereas for the heavily stained neurons, the cell bodies and their varicosity-carrying dendrites and, occasionally, the smooth, thin and weakly stained axons were visible. The heavily stained neurons were morphologically diverse, but no pyramidal or spiny neurons were found. Multipolar and bipolar neurons were located throughout the depth of the cortex, including the white matter, more frequently in layers V and VI. Occasionally, monopolar neurons were found in layer VI. Callosal projecting neurons in the visual cortex were labeled retrogradely with the use of FluoSpheres applied at the opposite visual cortex, but these neurons did not co-localize with the NADPH diaphorase-positive neurons, suggesting that the callosal projecting neurons and NADPH diaphorase-positive neurons belong to two populations of cells in the visual cortex.en_HK
dc.languageengen_HK
dc.publisherS Karger AG. The Journal's web site is located at http://www.karger.com/BBEen_HK
dc.relation.ispartofBrain, Behavior and Evolutionen_HK
dc.rightsBrain, Behavior and Evolution. Copyright © S Karger AG.en_HK
dc.subject.meshAnimalsen_HK
dc.subject.meshCricetinaeen_HK
dc.subject.meshFemaleen_HK
dc.subject.meshNADPH Dehydrogenase - metabolismen_HK
dc.subject.meshNeurons - enzymologyen_HK
dc.subject.meshVisual Cortex - anatomy & histology - enzymologyen_HK
dc.titleA Morphological Study of Neurons Expressing NADPH Diaphorase Activity in the Visual Cortex of the Golden Hamsteren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0006-8977&volume=48&spage=221&epage=230&date=1996&atitle=A+morphological+study+of+neurons+expressing+NADPH+diaphorase+activity+in+the+visual+cortex+of+the+golden+hamsteren_HK
dc.identifier.emailSo, KF:hrmaskf@hkucc.hku.hken_HK
dc.identifier.authoritySo, KF=rp00329en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid8886393-
dc.identifier.scopuseid_2-s2.0-0030332139en_HK
dc.identifier.hkuros21494en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030332139&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume48en_HK
dc.identifier.issue4en_HK
dc.identifier.spage221en_HK
dc.identifier.epage230en_HK
dc.identifier.isiWOS:A1996VH94000005-
dc.publisher.placeSwitzerlanden_HK
dc.identifier.scopusauthoridXiao, YM=7403260801en_HK
dc.identifier.scopusauthoridDiao, YC=7004284577en_HK
dc.identifier.scopusauthoridSo, KF=34668391300en_HK

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