The lamin B receptor (LBR) provides essential chromatin docking sites at the nuclear envelope

dc.contributor.authorPyrpasopoulou, A.en
dc.contributor.authorMeier, J.en
dc.contributor.authorMaison, C.en
dc.contributor.authorSimos, G.en
dc.contributor.authorGeorgatos, S. D.en
dc.date.accessioned2015-11-24T19:38:37Z
dc.date.available2015-11-24T19:38:37Z
dc.identifier.issn0261-4189-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/24165
dc.rightsDefault Licence-
dc.subjectAnimalsen
dc.subject*Antineoplastic Combined Chemotherapy Protocolsen
dc.subjectBinding Sitesen
dc.subjectChromatin/*metabolismen
dc.subjectChromosomesen
dc.subjectCyclophosphamideen
dc.subjectDoxorubicinen
dc.subjectMicroscopy, Electronen
dc.subjectNuclear Envelope/*metabolism/ultrastructureen
dc.subjectRatsen
dc.subjectReceptors, Cytoplasmic and Nuclear/*metabolismen
dc.subjectVincristineen
dc.titleThe lamin B receptor (LBR) provides essential chromatin docking sites at the nuclear envelopeen
heal.abstractMorphological studies have established that peripheral heterochromatin is closely associated with the nuclear envelope. The tight coupling of the two structures has been attributed to nuclear lamins and lamin-associated proteins; however, it remains to be determined which of these elements are essential and which play an auxiliary role in nuclear envelope-chromatin interactions. To address this question, we have used as a model system in vitro reconstituted vesicles assembled from octyl glucoside-solubilized nuclear envelopes. Comparing the chromosome binding properties of normal, immunodepleted and chemically extracted vesicles, we have arrived at the conclusion that the principal chromatin anchorage site at the nuclear envelope is the lamin B receptor (LBR), a ubiquitous integral protein of the inner nuclear membrane. Consistent with this interpretation, purified LBR binds directly to chromatin fragments and decorates the surface of chromosomes in a distinctive banding pattern.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/9003786-
heal.journalNameEMBO Jen
heal.journalTypepeer-reviewed-
heal.languageen-
heal.publicationDate1996-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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