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Opinions on the CPE of Polio

Fri Mar 1 12:17:47 EST 1996

My opinion has always been that the majority of enterovirus CPE is 
due to the disruptions in host-cell protein translation due to 
cleavage of 4F.  As well, the induction and activation of anti-viral 
mechanism such as DAI kinanse which further inhibits the 
translational machinery and 2'5'-oligo adenylate synthase which 
activates RNase L and degrades host and viral RNA.  With high 
viral burst these mechanism are likely at play very early in 
infection, and could all account for the alterations in cytoskeletal 
changes (morphological changes, intracellular transport).  The 
timeframe of all of this I am not sure.  I will ask my cytoskeletal 

Dan Anderson

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