Acute food restriction increases collagen breakdown and phagocytosis by mature decidual cells of mice

dc.contributor.authorSpadacci-Morena, D. D.
dc.contributor.authorKatz, S. G.
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionInst Butantan
dc.date.accessioned2016-01-24T12:31:25Z
dc.date.available2016-01-24T12:31:25Z
dc.date.issued2001-06-01
dc.description.abstractAn ultrastructural study was undertaken on antimesometrial mature decidual tissue of fed and food-restricted mice, on day 9 of pregnancy. the mean ad libitum food intake was established on mice from the 8th till the 9th day of pregnancy. Fed mice were used as controls. Experimental animals were divided into two groups: one was allowed to feed 25% of normal diet and the other 50%. Extracellular collagen fibrils were scarce in fed animals and conspicuous in food restriction. Granular electron-dense deposits and filamentous aggregates of disintegrating collagen fibrils were observed in all food-deprived mice but were rarely noted in fed animals. Intracellular vacuolar structures exhibited other typical cross-banded collagen immersed in finely granular electron-translucent material (clear vacuole) or electron-dense material containing collagen fibrils with a faint periodicity (dark vacuole), the clear and dark vacuoles were scarce in fed animals and evident in food-restricted mice, mainly in those 25% food restricted. Although collagen breakdown may be part of the normal process of decidual tissue remodelling our results suggest that it is enhanced in food-restricted animals. Thus it seems that collagen breakdown is a normal mechanism that may be regulated by the food intake of the pregnant animal. (C) 2001 Harcourt Publishers Ltd.en
dc.description.affiliationUniversidade Federal de São Paulo, Sch Med, Dept Histol, BR-04023900 São Paulo, Brazil
dc.description.affiliationInst Butantan, Lab Pathophysiol, BR-05503900 São Paulo, Brazil
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Sch Med, Dept Histol, BR-04023900 São Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent249-257
dc.identifierhttp://dx.doi.org/10.1054/tice.2001.0172
dc.identifier.citationTissue & Cell. Edinburgh: Churchill Livingstone, v. 33, n. 3, p. 249-257, 2001.
dc.identifier.doi10.1054/tice.2001.0172
dc.identifier.issn0040-8166
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/26579
dc.identifier.wosWOS:000169853500005
dc.language.isoeng
dc.publisherChurchill Livingstone
dc.relation.ispartofTissue & Cell
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectdeciduaen
dc.subjectfood restrictionen
dc.subjectpregnancyen
dc.subjectelectron microscopyen
dc.subjectmiceen
dc.titleAcute food restriction increases collagen breakdown and phagocytosis by mature decidual cells of miceen
dc.typeinfo:eu-repo/semantics/article
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