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Article: A cytochemical study of lysosomal system in rat junctional epithelium after intravenous horseradish peroxidase injection

TitleA cytochemical study of lysosomal system in rat junctional epithelium after intravenous horseradish peroxidase injection
Authors
Issue Date1989
Citation
Japanese Journal Of Oral Biology, 1989, v. 31 n. 6, p. 671-681 How to Cite?
AbstractLysosome formation was studied in rat junctional epithelium (JE) by detection of acid phosphatase (ACPase) using the cerium reaction method after intravenous injection of horseradish peroxidase (HRP). Intravenously injected HRP was endocytosed by the whole JE, especially at the coronal portion. ACPase activity was also observed in numerous organellae (vacuoles, dense bodies, multivesicular bodies and Golgi cisternae) in the junctional epithelial cells. These ACPase positive organellae often fused with each other, and their contents were mixed in the fused structures. The numbers of the ACPase-positive organellae in the HRP-exposed JE were more numerous than those in the JE without HRP, especially at the coronal portion. Thus, the distribution of the ACPase-positive products in the JE was closely related to that of HRP-positive products. These findings indicated that the whole JE has not only endocytotic ability but also intracellular digestion ability by the lysosomal enzymes.
Persistent Identifierhttp://hdl.handle.net/10722/153694
ISSN

 

DC FieldValueLanguage
dc.contributor.authorAyasaka, Nen_US
dc.contributor.authorIijima, Ten_US
dc.contributor.authorKondo, Ten_US
dc.contributor.authorGoto, Ten_US
dc.contributor.authorTanaka, Ten_US
dc.date.accessioned2012-08-08T08:21:05Z-
dc.date.available2012-08-08T08:21:05Z-
dc.date.issued1989en_US
dc.identifier.citationJapanese Journal Of Oral Biology, 1989, v. 31 n. 6, p. 671-681en_US
dc.identifier.issn0385-0137en_US
dc.identifier.urihttp://hdl.handle.net/10722/153694-
dc.description.abstractLysosome formation was studied in rat junctional epithelium (JE) by detection of acid phosphatase (ACPase) using the cerium reaction method after intravenous injection of horseradish peroxidase (HRP). Intravenously injected HRP was endocytosed by the whole JE, especially at the coronal portion. ACPase activity was also observed in numerous organellae (vacuoles, dense bodies, multivesicular bodies and Golgi cisternae) in the junctional epithelial cells. These ACPase positive organellae often fused with each other, and their contents were mixed in the fused structures. The numbers of the ACPase-positive organellae in the HRP-exposed JE were more numerous than those in the JE without HRP, especially at the coronal portion. Thus, the distribution of the ACPase-positive products in the JE was closely related to that of HRP-positive products. These findings indicated that the whole JE has not only endocytotic ability but also intracellular digestion ability by the lysosomal enzymes.en_US
dc.languageengen_US
dc.relation.ispartofJapanese Journal of Oral Biologyen_US
dc.subject.meshAcid Phosphatase - Metabolismen_US
dc.subject.meshAnimalsen_US
dc.subject.meshEndocytosisen_US
dc.subject.meshEpithelial Attachment - Enzymologyen_US
dc.subject.meshHistocytochemistryen_US
dc.subject.meshHorseradish Peroxidaseen_US
dc.subject.meshLysosomes - Enzymologyen_US
dc.subject.meshRatsen_US
dc.titleA cytochemical study of lysosomal system in rat junctional epithelium after intravenous horseradish peroxidase injectionen_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.pmid2519301-
dc.identifier.scopuseid_2-s2.0-0024893917en_US
dc.identifier.volume31en_US
dc.identifier.issue6en_US
dc.identifier.spage671en_US
dc.identifier.epage681en_US
dc.identifier.scopusauthoridAyasaka, N=6602293449en_US
dc.identifier.scopusauthoridIijima, T=7401741334en_US
dc.identifier.scopusauthoridKondo, T=35353700200en_US
dc.identifier.scopusauthoridGoto, T=7403938313en_US
dc.identifier.scopusauthoridTanaka, T=7406724568en_US

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