Autoradiographic Study With [35s]-sodium Sulphate Of Loss Of Sulphated Glycosaminoglycans During Amelogenesis In The Guinea Pig

dc.creatorBlumen G.
dc.creatorMerzel J.
dc.date1976
dc.date2015-06-26T17:50:28Z
dc.date2015-11-26T14:23:14Z
dc.date2015-06-26T17:50:28Z
dc.date2015-11-26T14:23:14Z
dc.date.accessioned2018-03-28T21:25:11Z
dc.date.available2018-03-28T21:25:11Z
dc.identifier
dc.identifierArchives Of Oral Biology. , v. 21, n. 9, p. 513 - 521, 1976.
dc.identifier39969
dc.identifier10.1016/0003-9969(76)90016-9
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0017103208&partnerID=40&md5=787363a11ac4ee2cdbc066c5fd257d63
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/96435
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/96435
dc.identifier2-s2.0-0017103208
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1245048
dc.descriptionThe fate of sulphated organic compounds, probably glycosaminoglycans (GAG), during amelogenesis was studied by autoradiography in molar teeth of guinea pigs that had received a single dose of 2.5 μCi/g of body weight of [35S]-sodium sulphate and killed from 10 min to 168 hr after injection. The sulphation site was the Golgi region of ameloblasts, from where the sulphated compounds migrated into the young enamel matrix along the entire zone lined by secretory ameloblasts. After forming an ill-defined band along the Tomes processes and the adjacent matrix, the 35S diffused through the whole thickness of the matrix, reaching the dentine-enamel junction. By correlating the silver grain concentration over matrix with the growth of the tooth. it was shown that the radioactive reaction, after attaining a maximum of intensity at 24 hr. decreased at 48 hr when the matrix moved from one region to the next, which was still related to the secretory ameloblasts. After this sharp decrease, the concentration of silver grains tended to be relatively constant and the remaining labelled compound seemed to be stable. The results were interpreted as indicating that the removal of organic material in enamel maturation is related at least in part to the secretory ameloblasts. © 1976.
dc.description21
dc.description9
dc.description513
dc.description521
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dc.languageen
dc.publisher
dc.relationArchives of Oral Biology
dc.rightsfechado
dc.sourceScopus
dc.titleAutoradiographic Study With [35s]-sodium Sulphate Of Loss Of Sulphated Glycosaminoglycans During Amelogenesis In The Guinea Pig
dc.typeArtículos de revistas


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