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Role of multipotent fibroblasts in the healing colonic mucosa of rabbits. Ultrastructural and immunocytochemical study

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dc.contributor.authorMori, Naokies
dc.contributor.authorDoi, Y.es
dc.contributor.authorHara, K.
dc.contributor.authorYoshizuka, M.
dc.contributor.authorOhsato, K.
dc.contributor.authorFujimoto, Sunao
dc.date.accessioned2011-02-01T08:47:59Z
dc.date.available2011-02-01T08:47:59Z
dc.date.issued1992
dc.description.abstractLight- and electron microscopy and immunocytochemistry were used to study the healing colonic mucosa of rabbits after experimental excision. Between 3 and 5 days, abundant young fibroblasts which retained many features of mesenchymal cells invaded the growing capillaries into the loose connective tissue of the healing colonic mucosa. Our electron microscopy revealed the transformation of these young fibroblasts into smooth muscle cells, into histiocyte-like cells involved in phagocytotic activity, and into vasoformative cells incorporated into the growing capillaries. The mitotic proliferation of pre-existing smooth muscle cells at the ulcer margin did not seem to be the major reason for re-establishment of the muscular tissue. The present immunocytochemistry revealed an active production of fibronectin in rough endoplasmic reticulum in the young fibroblasts. This may mean that this glycoprotein is involved in the re-establishment of both connective and muscular tissues by enhancement of adhesion and chemoattractant activities of such cells. In addition, the immunoreaction of endothelial celis of the growing capillaries suggests a role of this glycoprotein in the acceleration of the neocapillarization.es
dc.formatapplication/pdfes
dc.format.extent8es
dc.identifier.issn0213-3911es
dc.identifier.urihttp://hdl.handle.net/10201/18363
dc.languageenges
dc.publisherMurcia : F. Hernándezes
dc.relation.ispartofHistology and histopathologyes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectFibronectines
dc.subjectColonic mucosaes
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicina::611 - Anatomíaes
dc.titleRole of multipotent fibroblasts in the healing colonic mucosa of rabbits. Ultrastructural and immunocytochemical studyes
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol. 7, nº 4 (1992)