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Ascorbic acid inhibits replication and infectivity of avian RNA tumor virus.

Proc Natl Acad Sci U S A 1980 May;77(5):2711-5 (ISSN: 0027-8424)

Bissell MJ; Hatie C; Farson DA; Schwarz RI; Soo WJ

Ascorbic acid, at nontoxic concentrations, causes a substantial reduction in the ability of avian tumor viruses to replicate in both primary avian tendon cells and chicken embryo fibroblasts. The virus-infected cultures appear to be less transformed in the presence of ascorbic acid by the criteria of morphology, reduced glucose uptake, and increased collagen synthesis. The vitamin does not act by altering the susceptibility of the cells to initial infection and transformation, but instead appears to interfere with the spread of infection through a reduction in virus replication and virus infectivity. The effect is reversible and requires the continuous presence of the vitamin in the culture medium.

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