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XB-ART-53562
Rouxs Arch Dev Biol 1988 May 01;1973:190-192. doi: 10.1007/BF00427923.
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Crystallins during Xenopus laevis free lens formation.

Kumar Brahma S , Grunz H .


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The ontogeny and localization of crystallins during free lens development (i.e. lens development without the optic vesicle) were investigated in Xenopus laevis using the indirect immunofluorescence staining method with an antiserum raised against homologous total lens soluble proteins. Since the developing free lenses pass through stages similar to those of the lenses regenerated from the inner cell layer of the outer cornea following lentectomy in the same species Freeman's classification was used to identify the stages of free lens development. The first appearance of a positive reaction occurred at early stage IV in a number of cells in an area where future lens fibre cells would develop. With further differentiation of the free lens more and more cells in the fibre area started to show a positive reaction and the first positive reaction in the epithelium was observed late in stage V. Histological examination revealed that a fully differentiated free lens and a normally developed lens are similar but that the free lens is smaller.

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References [+] :
BALINSKY, On the eyecup-lens correlation in some South African amphibians. 1951, Pubmed