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. 2019 Jun;55(3):406-410.
doi: 10.1007/s11262-019-01646-2. Epub 2019 Feb 13.

The BeWo cell line derived from a human placental choriocarcinoma is permissive for respiratory syncytial virus infection

M A Velázquez-Cervantes  1 , M Martínez-Castillo  1 , L D González-García  1 , T A Vargas-Pavía  1 , M G Martínez-Salazar  1 , I Mancilla-Herrera  2 , G León-Reyes  1 , J García-Cordero  3 , A C Helguera-Repetto  1 , M León-Juárez  4
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The BeWo cell line derived from a human placental choriocarcinoma is permissive for respiratory syncytial virus infection

M A Velázquez-Cervantes et al. Virus Genes. 2019 Jun.

Abstract

The respiratory syncytial virus (RSV) is the main pathogen associated with upper respiratory tract infections during early childhood. Vertical transmission of this virus has been suggested in humans, based on observations recorded during animal studies that revealed an association of RSV with persistent structural and functional changes in the developing lungs of the offspring. However, human placentas have not yet been evaluated for susceptibility to RSV infection. In this study, we examined the capacity of RSV to infect a human trophoblast model, the BeWo cell line. Our results suggest that BeWo cells are susceptible to RSV infection since they allow RNA viral replication, viral protein translation, leading to the production of infectious RSV particles. In this report, we demonstrate that a human placenta model system, consisting of BeWo cells, is permissive to RSV infection. Thus, the BeWo cell line may represent a useful model for studies that aim to characterize the events of a possible RSV infection at the human maternal-fetal interface.

Keywords: BeWo cells; Placenta; Respiratory syncytial virus; Trophoblast; Viral cycle replication.

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