ECB-ART-30717
Mol Cell Biochem
1976 Feb 25;103:131-5. doi: 10.1007/bf01731683.
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Inhibition of cell growth by near ultraviolet light photoproducts of tryptophan.
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Exposure of dilute aqueous solutions of tryptophan to near UV light (320 to 390 nm) at subsolar levels yields fluorescent photoproducts capable of inhibiting the growth and differentiation of cultured mouse embryonic fibroblasts and fertilized sea urchin eggs. The ability of these cells to incorporate labelled precursors of protein, RNA, and DNA into their respective macromolecules was markedly inhibited by adding tryptophan preirradiated with near UV light to their incubation media. Thus the inhibition of growth and differentiation of these cells seems to result from a depression of their ability to synthesize macromolecules in the presence of the photoproducts.
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Genes referenced: LOC100887844 LOC115919910
References [+] :
Tyrrell,
Induction of pyrimidine dimers in bacterial DNA by 365 nm radiation.
1973, Pubmed