ArticleJournal of virology2024
Propagating and banking genetically diverse human sapovirus strains using a human duodenal cell line: investigating antigenic differences between strains.
Article in Journal of virology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Norovirus inter-species transmission in an ex vivo model is dependent on virus internalization capacity.Emerging microbes & infections · 2026Article
- CD36 is a receptor for human sapovirus.Science advances · 2026Article
- Human Sapovirus in the Post-Rotavirus Vaccine Era: From an Overlooked Gastroenteritis Pathogen to a Target for Precision Surveillance.Reviews in medical virology · 2026Review
- Bile acids accumulate norovirus-like particles and enhance binding to and entry into human enteric epithelial cells.Journal of virology · 2026Article
- CD36 is required for human sapovirus propagation.Journal of virology · 2025Article
- Establishment of a Novel Caco-2-Based Cell Culture System for Human Sapovirus Propagation.Genes to cells : devoted to molecular & cellular mechanisms · 2025Article
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Authors and funding
15 authors.
Funding
Abstract
There are four genogroups and 18 genotypes of human sapoviruses (HuSaVs) responsible for acute gastroenteritis. To comprehend their antigenic and virological differences, it is crucial to obtain viral stocks of the different strains. Previously, we utilized the human duodenum-derived cell line HuTu80, and glycocholate, a conjugated bile acid, to replicate and propagate GI.1, GI.2, and GII.3 HuSaVs (H. Takagi et al., Proc Natl Acad Sci U S A 117:32078-32085, 2020, https://10.1073/pnas.2007310117). First, we investigated the impact of HuTu80 passage number on HuSaV propagation. Second, we demonstrated that taurocholate improved the initial replication success rate and viral RNA levels in fecal specimens relative to glycocholate. By propagating 15 HuSaV genotypes (GI.1-7, GII.1-5, -8, and GV.1-2) and accomplishing preparation of viral stocks containing 1.0 × 10 IMPORTANCE: The control of human sapovirus, which causes acute gastroenteritis in individuals of all ages, is challenging because of its association with outbreaks similar to those caused by human norovirus. The establishment of conditions for efficient viral propagation of various viral strains is essential for understanding the infection mechanism and identifying potential control methods. In this study, two critical factors for human sapovirus propagation in a conventional human duodenal cell line were identified, and 15 strains of different genotypes that differed at the genetic and antigenic levels were isolated and used to prepare virus stocks. The preparation of virus stocks has not been successful for noroviruses, which belong to the same family as sapoviruses. Securing virus stocks of multiple human sapovirus strains represents a significant advance toward establishing a reliable experimental system that does not depend on limited virus-positive fecal material.
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