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Decreased 3H-uridine incorporation and increased 3H-adenosine incorporation by hela cells exposed to autologous culture fluid

✍ Scribed by Roger Tilley; C. N. Nair


Book ID
102883603
Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
702 KB
Volume
86
Category
Article
ISSN
0021-9541

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✦ Synopsis


Actively growing HeLa monolayer cultures briefly exposed to the culture fluids (CF) from confluent HeLa cultures and labeled simultaneously or subsequently, incorporated less 3H-uridine ( 3H-UR ) but more 3H-adenosine ( 3H-AR) than control cultures similarly exposed to fresh medium and labeled. Exposure to CF inhibited the uptake as well as the incorporation of 3H-UR by cultures. The inhibition of 3H-UR incorporation by CF-exposed cultures could be reduced by increasing the concentration of 3H-UR in the labeling medium. Both the inhibition of 3H-UR incorporation and the stimulation of 3H-AR incorporation were


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