Junctional modulation in mouse embryonal carcinoma cells by Fab fragments of rabbit anti-embryonal carcinoma cell serum.
Author(s) -
Irène Dunia,
Jean–François Nicolas,
H Jakob,
E. L. Benedetti,
F Jacob
Publication year - 1979
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.76.7.3387
Subject(s) - embryonal carcinoma , gap junction , tight junction , microbiology and biotechnology , cell culture , biology , cell , chemistry , carcinoma , cell junction , cellular differentiation , biochemistry , intracellular , genetics , gene
Mouse embryonal carcinoma PCC4 cells are connected by extensive gap and tight junctions. When the cells are incubated in a medium containing Fab fragments against embryonal carcinoma F9 cells, they round up and a process of junctional removal is initiated. In particular, gap junctions are internalized and after 30 hr of incubation with the anti-F9 Fab fragments both tight and gap junctions are no longer present at the cell surface; however, the cells are still in contact by means of small attachment sites.
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