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. 1979 Jul;76(7):3387-91.
doi: 10.1073/pnas.76.7.3387.

Junctional modulation in mouse embryonal carcinoma cells by Fab fragments of rabbit anti-embryonal carcinoma cell serum

I Dunia, J F Nicolas, H Jakob, E L Benedetti, F Jacob

Junctional modulation in mouse embryonal carcinoma cells by Fab fragments of rabbit anti-embryonal carcinoma cell serum

I Dunia et al. Proc Natl Acad Sci U S A. 1979 Jul.

Abstract

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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