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Article: Differences in the transport systems between cementocytes and osteocytes in rats using microperoxidase as a tracer

TitleDifferences in the transport systems between cementocytes and osteocytes in rats using microperoxidase as a tracer
Authors
KeywordsCementocyte
Microperoxidase
Osteocyte
Transport System
Issue Date1992
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/archoralbio
Citation
Archives Of Oral Biology, 1992, v. 37 n. 5, p. 363-369 How to Cite?
AbstractMicroperoxidase (MP) tracer was injected intravenously into rats to investigate any differences in transport pathways of tissue fluids in the lacunae and canaliculi of cementum and bone. Light microscopically, in deep cementum lacunae, pericellular spaces contained a large amount of MP, while close to the cementum surface, the spaces contained scarcely any. In bone, MP was detected throughout all pericellular spaces. MP was detected intracellularly as granular reaction products in most cementocytes and osteocytes. Electron microscopically, MP was found in the pericellular spaces of cementum and bone lacunae, particularly on collagen fibrils and amorphous material. MP deposits were also intense along the plasma membrane of cementocytes in the deep cementum and along the innermost edge of the deep cementum matrix and bone matrix. In uptake of MP by cementocytes, although extracellular tracer was deposited extensively along the plasma membrane of the deeply positioned cementocytes, uptake by these deep cementocytes was less than that of those close to the surface. However, in bone, most osteocytes showed uniform uptake. These results suggest that the transport pathways for tissue fluids in cementum are in the pericellular spaces, but that cementum has an uneven circulation of tissue fluid. In cementum, although there seems to be a well-developed canalicular system to transport tissue fluid into the deep regions, the deep cementocytes had less endocytotic ability than those close to the surface.
Persistent Identifierhttp://hdl.handle.net/10722/153774
ISSN
2015 Impact Factor: 1.733
2015 SCImago Journal Rankings: 0.713
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAyasaka, Nen_US
dc.contributor.authorKondo, Ten_US
dc.contributor.authorGoto, Ten_US
dc.contributor.authorKido, MAen_US
dc.contributor.authorNagata, Een_US
dc.contributor.authorTanaka, Ten_US
dc.date.accessioned2012-08-08T08:21:30Z-
dc.date.available2012-08-08T08:21:30Z-
dc.date.issued1992en_US
dc.identifier.citationArchives Of Oral Biology, 1992, v. 37 n. 5, p. 363-369en_US
dc.identifier.issn0003-9969en_US
dc.identifier.urihttp://hdl.handle.net/10722/153774-
dc.description.abstractMicroperoxidase (MP) tracer was injected intravenously into rats to investigate any differences in transport pathways of tissue fluids in the lacunae and canaliculi of cementum and bone. Light microscopically, in deep cementum lacunae, pericellular spaces contained a large amount of MP, while close to the cementum surface, the spaces contained scarcely any. In bone, MP was detected throughout all pericellular spaces. MP was detected intracellularly as granular reaction products in most cementocytes and osteocytes. Electron microscopically, MP was found in the pericellular spaces of cementum and bone lacunae, particularly on collagen fibrils and amorphous material. MP deposits were also intense along the plasma membrane of cementocytes in the deep cementum and along the innermost edge of the deep cementum matrix and bone matrix. In uptake of MP by cementocytes, although extracellular tracer was deposited extensively along the plasma membrane of the deeply positioned cementocytes, uptake by these deep cementocytes was less than that of those close to the surface. However, in bone, most osteocytes showed uniform uptake. These results suggest that the transport pathways for tissue fluids in cementum are in the pericellular spaces, but that cementum has an uneven circulation of tissue fluid. In cementum, although there seems to be a well-developed canalicular system to transport tissue fluid into the deep regions, the deep cementocytes had less endocytotic ability than those close to the surface.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/archoralbioen_US
dc.relation.ispartofArchives of Oral Biologyen_US
dc.subjectCementocyteen_US
dc.subjectMicroperoxidaseen_US
dc.subjectOsteocyteen_US
dc.subjectTransport Systemen_US
dc.titleDifferences in the transport systems between cementocytes and osteocytes in rats using microperoxidase as a traceren_US
dc.typeArticleen_US
dc.identifier.emailGoto, T:gototk@hku.hken_US
dc.identifier.authorityGoto, T=rp01434en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/0003-9969(92)90019-5en_US
dc.identifier.pmid1610305-
dc.identifier.scopuseid_2-s2.0-0026477152en_US
dc.identifier.volume37en_US
dc.identifier.issue5en_US
dc.identifier.spage363en_US
dc.identifier.epage369en_US
dc.identifier.isiWOS:A1992HU23700007-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridAyasaka, N=6602293449en_US
dc.identifier.scopusauthoridKondo, T=35353700200en_US
dc.identifier.scopusauthoridGoto, T=7403938313en_US
dc.identifier.scopusauthoridKido, MA=7102220426en_US
dc.identifier.scopusauthoridNagata, E=7005836211en_US
dc.identifier.scopusauthoridTanaka, T=7406724568en_US
dc.identifier.citeulike1907225-

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