Evidence-Based Complementary and Alternative Medicine

Evidence-Based Complementary and Alternative Medicine / 2004 / Article

Original Article | Open Access

Volume 1 |Article ID 638562 | https://doi.org/10.1093/ecam/neh045

Tsugiya Murayama, Nobuo Yamaguchi, Hideo Matsuno, Yoshito Eizuru, "In Vitro Anti-Cytomegalovirus Activity of Kampo (Japanese Herbal) Medicine", Evidence-Based Complementary and Alternative Medicine, vol. 1, Article ID 638562, 5 pages, 2004. https://doi.org/10.1093/ecam/neh045

In Vitro Anti-Cytomegalovirus Activity of Kampo (Japanese Herbal) Medicine

Received20 Apr 2004
Accepted30 Aug 2004

Abstract

We examined the effect of three types of Kampo medicines on human cytomegalovirus (CMV) replication in the human embryonic fibroblast cell line, MRC-5. Treatment of cells with at least 0.01 μg/ml of Kampo medicines inhibited the cytopathic effects of CMV-infected MRC-5 cells. Moreover, Kampo medicine decreased the replication of CMV without affecting the inhibition of host cells, with a concomitant decrease in CMV DNA levels. However, Kampo medicine demonstrated no virocidal effect on cell-free CMV. Furthermore, western blotting analysis demonstrated that the Kampo medicine decreased the amount of 65 kDa late antigen expression in the infected cells. These results suggest that Kampo medicine may be sufficient to inhibit viral DNA replication and late protein synthesis, resulting in anti-CMV effects. Therefore, these three Kampo medicines have the potential of being a source of new powerful anti-CMV compounds.

Copyright © 2004 Tsugiya Murayama et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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