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Volume 24, Number 8—August 2018
Research

Human Norovirus Replication in Human Intestinal Enteroids as Model to Evaluate Virus Inactivation

Veronica CostantiniComments to Author , Esther K. Morantz, Hannah Browne, Khalil Ettayebi, Xi-Lei Zeng, Robert L. Atmar, Mary K. Estes, and Jan Vinjé
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (V. Costantini, J. Vinjé); Synergy America, Inc., Atlanta (E.K. Morantz); Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA (H. Browne); Baylor College of Medicine, Houston, Texas, USA (K. Ettayebi, X.-L. Zeng, R.L. Atmar, M.K. Estes)

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Figure 4

Testing for human norovirus replication in human intestinal enteroids (HIEs) by assessment of kinetics of infection for 4 GII genotypes. We inoculated jejunal HIE monolayers (J3 line) with A) GII.4 Pe-GII.4 Sydney (3.3 × 105 RNA copies/well), B) GII.P12-GII.3 (5.3 × 105 RNA copies/well), C) GII.P16-GII.2 (3.2 × 105 RNA copies/well), or D) GII.Pg-GII.1 (9.3 × 105 RNA copies/well). After 1 h at 37°C in 5% CO2, monolayers were washed, and media was replaced with differentiation media and incubated

Figure 4. Evaluation as human norovirus replication in human intestinal enteroids (HIEs) by assessment of kinetics of infection for 4 GII genotypes. We inoculated jejunal HIE monolayers (J3 line) with A) GII.4 Pe-GII.4 Sydney (3.3 × 105 RNA copies/well), B) GII.P12-GII.3 (5.3 × 105 RNA copies/well), C) GII.P16-GII.2 (3.2 × 105 RNA copies/well), or D) GII.Pg-GII.1 (9.3 × 105 RNA copies/well). After 1 h at 37°C in 5% CO2, monolayers were washed, and media was replaced with differentiation media and incubated for 3 d. For the growth curve, we extracted RNA from frozen lysates (cells and supernatant) at the indicated time points. For the cells vs. supernatant experiment, we removed supernatants by centrifugation before harvesting the cells. Data represent mean ± SD of 2 experiments with 3 wells for each time point. Dotted lines represent RT-quantitative PCR limit of detection.

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Page created: July 18, 2018
Page updated: July 18, 2018
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