Abstract:
:Perinuclear actin shells have been reported in a variety of organisms. The shells have been identified by staining perinuclear material with fluorescently-labelled phalloidin, but have not been localized to a specific subcellular compartment at the ultrastructural level. We show here that the shells of 3T3 cells lie in the peripheral nuclear matrix. Nuclear shells and matrix actin in other parts of the nucleus are not usually detected by immunohistochemical staining because they are inaccessible to antibodies or to phalloidin. Immunohistochemical detection of nuclear actin is only possible during its deposition at the end of mitosis, or in interphase nuclei that have been extracted with detergent, digested with nucleases and washed with high salt buffers.
journal_name
J Cell Biochemjournal_title
Journal of cellular biochemistryauthors
Clubb BH,Locke Mdoi
10.1002/(sici)1097-4644(19980801)70:2<240::aid-jcbsubject
Has Abstractpub_date
1998-08-01 00:00:00pages
240-51issue
2eissn
0730-2312issn
1097-4644pii
10.1002/(SICI)1097-4644(19980801)70:2<240::AID-JCBjournal_volume
70pub_type
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