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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Isolation and characterization of vitamin A-sensitive Chinese hamster lung cell lines.

Retinyl acetate (RA)-sensitive variants (RAs-2 and RAs-3) of V79 cell line were isolated after mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine. The variants were stable and showed a 3- to 4-fold increase in sensitivity to RA compared to parental V79 cells. The RAs-2 clone was also sensitive to retinol and retinol palmitate. The RA-sensitivity behaves as a recessive trait in all hybrids of RAs-2 and V79. A number of physiological parameters were indistinguishable in V79 and RAs-2 cells, including the extent of uptake of [3H]retinol, the release of K+ from the cells induced by RA, and the levels of retinol and retinoic acid binding proteins. However, one possible correlation with the RA-sensitive phenotype was observed: Gomori acid-phosphatase staining of RA-treated RAs-2 and V79 cells indicated that lysosomal membrane of RAs-2 cells was more labile than those of the parental V79 cells.[1]

References

  1. Isolation and characterization of vitamin A-sensitive Chinese hamster lung cell lines. Ikezaki, K., Akiyama, S., Nakamura, M., Komiyama, S., Kuwano, M. J. Cell. Physiol. (1983) [Pubmed]
 
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