ISSN:
1432-041X
Keywords:
δ-crystallin
;
Chick embryonic brain
;
Cell culture
;
Ectopic expression
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Summary Expression of δ-crystallin, a lens-specific protein, in 6-day-old chick embryonic brain cells was examined in situ and in vitro. The presence of minute amounts of δ-crystallin and its mRNA (δ-mRNA) in brain cells in situ was demonstrated by immunoblot and Northern blot analysis. In spreading cultures of the brain cells, δ-crystallin and δ-mRNA showed a significant increase from their in situ level. Immunohistological staining (peroxidase antiperoxidase) with monospecific anti-serum against δ-crystallin revealed that δ-producers were both epithelial cells and dendritic cells. Neither lentoidogenesis nor α-crystallin expression was observed. Stimulation of δ-crystallin synthesis in cultured brain cells differed when compared with transdifferentiating cultures of neural retina cells. In the latter, δ-crystallin synthesis occurred concomitantly with differentiation of morphologically distinct lens cells containing α-crystallin.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00444037
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