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November 1, 1985Molecular and Cellular Biology

Poliovirus Mutant That Does Not Selectively Inhibit Host Cell Protein Synthesis

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Population

HeLa and monkey kidney (CV-1) cells

Comparison

Poliovirus type I mutant with a three base pair… vs Wild-type poliovirus

Design

Preclinical

Authors

HBHarris D. BernsteinNational Institute of Diabetes and Digestive and Kidney Diseases
Nahum Sonenberg
Nahum SonenbergRutgers, The State University of New Jersey
David Baltimore
David BaltimoreCalifornia Institute of Technology

Discussion

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Implication

P220 cleavage is required for poliovirus host translation shutoff; extends mechanistic insight but leaves open in vivo and therapeutic relevance.

Structured PICO

P
Population
HeLa and monkey kidney (CV-1) cells
I
Intervention
Poliovirus type I (Mahoney strain) mutant with a three base pair insertion in the P2 segment
C
Comparator
Wild-type poliovirus
O
Outcome
Host cell protein synthesis and viral RNA/protein synthesissurrogate

The study demonstrates that cleavage of P220 is crucial for normal poliovirus-mediated translational inhibition of host cells.

Cite This Study

Bernstein et al. (1985) studied this question.

synapsesocial.com/papers/6a716670f44fa9f079df3287https://doi.org/10.1128/mcb.5.11.2913-2923.1985
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Separation of quantitation of intracellular forms of poliovirus RNA by agarose gel electrophoresis1977 · 39 citations
  2. 2Regulation of Simian Virus 40 Transcription: Sensitive Analysis of the RNA Species Present Early in Infections by Virus or Viral DNA1979 · 621 citations
  3. 3Inactivation of cap-binding proteins accompanies the shut-off of host protein synthesis by poliovirus.1982 · 107 citations
  4. 4Inhibition of HeLa cell protein synthesis following poliovirus infection correlates with the proteolysis of a 220,000-dalton polypeptide associated with eucaryotic initiation factor 3 and a cap binding protein complex.1982 · 591 citations
  5. 5Inhibition of translation by poliovirus: inactivation of a specific initiation factor.1978 · 200 citations