1.Anti-human Cytomegalovirus Activity of Hot Water Extract from Sasa senanensis Rehder
Rie YAMADA ; Kazuhiko AKUZAWA ; Changxiao BI ; Zhuan LI ; Hidetaka SADANARI ; Keiko MATSUBARA ; Tsugiya MURAYAMA
Japanese Journal of Complementary and Alternative Medicine 2009;6(1):17-25
Objective: Anti-Human cytomegalovirus (HCMV) activity of Kumazasa (Sasa senanensis Rehder) extract were investigated in the human embryonic lung (HEL) fibroblast cell.
Method: This study examined the effect of hot water extract from Sasa senanensis Rehder on HCMV replication, viral-specific major immediate early (IE) gene expression, and protein synthesis.
Results: Treatment of HCMV-infected HEL cells with that Sasa senanensis Rehder extract inhibited the cytopathic effect and viral production in a dose-dependent manner. Further, real-time RT-PCR assay and Western blotting analysis revealed that Sasa senanensis Rehder extract decreased expression of the HCMV IE gene in virus-infected HEL cell.
Conclusion: These results suggest that Sasa senanensis Rehder extract have anti-HCMV activity by inhibitting of IE gene expression.
2.Anti-Human Cytomegalovirus Activity of Chemical Constituents from Kumazasa Hot Water Extract
Kazuhiko AKUZAWA ; Rie YAMADA ; Changxiao BI ; Hidetaka SADANARI ; Keiko MATSUBARA ; Yuuzou TSUCHIDA ; Kunitomo WATANABE ; Masayuki NINOMIYA ; Mamoru KOKETSU ; Tsugiya MURAYAMA
Japanese Journal of Complementary and Alternative Medicine 2010;7(1):25-33
Objective: Anti-human cytomegalovirus (HCMV) activity of 5 compounds, especially tricin, isolated from Kumazasa extract were investigated in the human embryonic lung (HEL) fibroblast cell.
Method: This study examined the effect of tricin on HCMV replication, viral-specific major immediate early (IE) gene expression, and protein synthesis.
Results: Pretreatment of HEL cells before HCMV infection with tricin inhibited viral production in a dose-dependent manner, as well as posttreatment of HCMV-infected HEL cells with tricin. Real-time RT-PCR assay and Western blotting analysis indicated that tricin decreased expression of the HCMV IE gene in virus-infected HEL cell.
Conclusion: These date suggest that the primary mechanism of anti-HCMV activity for tricin, isolated from Kumazasa hot water extract, inhibit IE gene expression.
3.Inhibition of Human Cytomegalovirus Replication by Compound Derivative from Sasa albomarginata is Associated with CCL2/CCR2 Interaction
Yumiko AKAI ; Kaori MOGI ; Hidetaka SADANARI ; Masaya TAKEMOTO ; Keiko MATSUBARA ; Tohru DAIKOKU ; Yuuzo TSUCHIDA ; Daisuke SAKURAI ; Tsugiya MURAYAMA
Japanese Journal of Complementary and Alternative Medicine 2017;14(2):83-91
We previously reported that treatment with tricin (4’,5,7-trihydroxy-3’,5’-dimethoxyflavone) after human cytomegalovirus (HCMV) infection significantly suppressed both infectious virus production and HCMV replication in human embryonic lung fibroblast (HEL) cells. Moreover, we recently revealed that HCMV infection can increase the expression of CC-motif ligand 2 (CCL2/MCP-1) and CCR2, a specific receptor for CCL2, which can enhance HCMV infection and replication, in turn. In this study, we examined whether CCL2 and/or CCR2 are involved in the anti-HCMV effects of tricin in HEL cells. Exposure of fibroblasts to tricin inhibited infectious HCMV production, with concomitant decreases in CCL2 and CCR2 transcript levels and CCL2 protein levels in a dose-dependent manner. Propagermanium, an inhibitor of CCR2 function, has also been shown to inhibit infectious HCMV production with concomitant decreases in CCL2 protein levels. We further observed that tricin and propagermanium reduced mRNA expression of HCMV immediate early gene and DNA polymerase in a dose-dependent manner. These results suggest that tricin is a novel anti-inflammatory compound with potential anti-HCMV activity, and CCL2/CCR2 interactions are associated with HCMV replication.
4.Clinical Trial of the Use of Moxibustion in Version for Breech Presentation.
Kuniaki NIWA ; Yoichi KANAKURA ; Hidetaka MATSUBARA ; Yoshihisa NOMURA ; Fumitaka NAGATA ; Yasutaka SHINZATO ; Hiroshi KAMATSUKI ; Shigetoshi MORIKAWA ; Kunio KOMETANI ; Yasumoto TOKUNAGA
Kampo Medicine 1994;45(2):345-350
Correction of fetal malpresentation such as knee-chest positioning and external cephalic version, has long been performed in cases of breech presentation. The reliability and safety of such treatment, however, remains unclear. We performed moxibustion on three acupoints, namely, Saninko, Shiin, and Yusen to correct the condition.
We studied a total of 28 women, 22 of whom were observed until delivery, and six who had not reached full term by the end of the study. Cephalic presentation was achieved in 25 (89.3%), All but one of the fetuses that were corrected to cephalic presentation had full term vaginal delivery. The remaining one underwent premature delivery due to premature rupture of the membrane at 35 weeks 6 days. None of the babies showed any abnormalities. Correction could not be achieved in three women by the time of delivery. One of these three had dicornate uterus and underwent caesarian section due to premature rupture of the membrane. The other two had full term vaginal delivery of live babies. These results indicate that the correction of breech presentation by moxibustion is a safe method which cause no adverse effects on the mother or baby.