Inhibition of Ganciclovir-Resistant Human Cytomegalovirus Replication by Kampo (Japanese Herbal Medicine)

Autor: Murayama, Tsugiya, Yamaguchi, Nobuo, Iwamoto, Kozo, Eizuru, Yoshito
Zdroj: Antiviral Chemistry & Chemotherapy; February 2006, Vol. 17 Issue: 1 p11-16, 6p
Abstrakt: We examined the effect of Kampo on the replication of ganciclovir (GCV)-resistant human cytomegalovirus (HCMV) in the human embryonic fibroblast cell line MRC-5. Treatment of HCMV-infected cells with Sho-seiryu-to (SST; Xiao-Qing-Long-Tang in Chinese) resulted in the inhibition of viral replication without affecting the cell growth. SST treatment decreased the synthesis of viral DNA, but had no virucidal effect on cell-free HCMV. However, the inhibitory effect of SST on HCMV replication was ablated by anti-interferon-β (IFN-β) antibody suggesting that SST inhibits the replication of GCV-resistant HCMV through the induction of IFN-β. These results suggest that SST is a novel compund with potential as an anti-HCMV.
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