Human sapovirus propagation in human cell lines supplemented with bile acids
Hirotaka Takagi, Oka T, Takashi Shimoike, Hiroyuki Saito, Takayuki Kobayashi, Tomoko Takahashi, Chika Tatsumi, Michiyo Kataoka, Qiuhong Wang, Linda J. Saif, Mamoru Noda
Abstract
-fold. We also detected double-stranded RNA, viral nonstructural and structural proteins in the cell cultures, and intact HuSaV particles. We confirmed the infectivity of progeny viruses released into the cell culture supernatants by passaging. These results indicate the successful growth of HuSaVs in vitro. Additionally, we determined the minimum infectious dose and tested the sensitivities of HuSaV GI.1 and GII.3 to heat and ultraviolet treatments. This system is inexpensive, scalable, and reproducible in different laboratories, and can be used to investigate mechanisms of HuSaV replication and to evaluate antivirals and/or disinfection methods for HuSaVs.