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001-es BibID:BIBFORM029089
Első szerző:Ádány Róza (megelőző orvostan és népegészségtan szakorvos)
Cím:Factor XIII of blood coagulation as a nuclear crosslinking enzyme / Ádány R., Bárdos H., Antal M., Módis L., Sárváry A., Szűcs S., Balogh I.
Dátum:2001
Megjegyzések:Intracellular localization and distribution of Factor XIII subunit A (FXIIIA) was investigated in association with monocyte-macrophage differentiation in a long term culture of human monocytes by light- and electron microscopical as well as biochemical and immunobiochemical techniques. To allow the detection of FXIIIA in cells with well-preserved ultrustructure, immunosera against glutaraldehyde-derivatized recombinant FXIIIA were developed in rabbits, then characterized and used in this study. In the early phase of macrophage differentiation intranuclear accumulation of FXIIIA was detected as a transient phenomenon in cells of the 2nd day culture by optical sectioning with 0,7 microm steps in laser scanning confocal microscopy and immunoblotting technique. FXIIIA could be detected by immunoelectron microscopic postembedding staining over electrodense DNA-containing areas. Fluoresceinated monodansylcadaverine incorporation assay was used to demonstrate that FXIIIA is not only present in the nuclei, but also expresses its transglutaminase activity. Our finding of the nuclear accumulation of FXIIIA in differentiating human macrophages is also unique in that a blood clotting factor has, for the first time, been localized in nuclei and has been shown to be an intracellular crosslinking enzyme. The possible role of nuclear FXIIIA in association with cellular processes involving chromatin structure remodeling, such as cell death, cell differentiation or cellular proliferation requires further in-depth investigation.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Thrombosis and Haemostasis. - 85 : 5 (2001), p. 845-851. -
További szerzők:Bárdos Helga (1969-) (megelőző orvostan és népegészségtan szakorvos) Antal Miklós (1951-) (orvos, anatómus) Módis László (1939-) (anatómus, kötőszövetbiológus) Sárváry Attila (1971-) (népegészségtan szakorvos) Szűcs Sándor (1958-) (biokémikus, vegyész) Balogh Imre
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
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