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. 1990;94(3):293-6.
doi: 10.1007/BF00266630.

Decrease of DNA per cell during development of the lens in chickens

A Yamamoto  1 , T Araki, M F Counis
Affiliations

Decrease of DNA per cell during development of the lens in chickens

A Yamamoto et al. Histochemistry. 1990.

Abstract

Developmental changes in the amount and conformation of DNA in chicken lens were studied. For this, DNA in situ in lens fiber cell nuclei of chickens was examined by microfluorometry with Hoechst 33258 (Hoe) fluorochrome. On 1 M NaCl-aided Hoe staining, by which the amount of DNA can be determined accurately, the fluorescence intensity of lens fiber cells was found to decrease with no change in that of the lens epithelial cells during development. On the contrary, on normal NaCl-free Hoe staining the fluorescence intensity of the lens cells was found to increase gradually during development. These results suggest that during development the amount of DNA in lens fiber cells decreases in association with some change in its conformation.

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