date:Apr 02, 2013
were 256 ng/mL, compared to 742 ng/mL in healthy individuals.
The study report says that vitamin A modulates the expression of type 1 interferon receptor which enhances the antireplication effect of interferon on hepatitis C virus. This explains in part why patients with lower vitamin A are more likely to be nonresponsive to treatment.
However, vitamin A deficiency may not be a cause for the non-responsiveness of the hepatitis C treatment, but a result from the infection. More research is n