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Epstein-Barr Virus Infection of Pseudostratified Nasopharyngeal Epithelium Disrupts Epithelial Integrity.


ABSTRACT: Epstein-Barr virus (EBV) is a human oncogenic virus that causes several types of tumor, such as Burkitt's lymphoma and nasopharyngeal carcinoma (NPC). NPC tumor cells are clonal expansions of latently EBV-infected epithelial cells. However, the mechanisms by which EBV transforms the nasopharyngeal epithelium is hampered, because of the lack of good in vitro model to pursue oncogenic process. Our primary nasopharyngeal epithelial cell cultures developed pseudostratified epithelium at the air-liquid interface, which was susceptible to EBV infection. Using the highly sensitive RNA in situ hybridization technique, we detected viral infection in diverse cell types, including ciliated cells, goblet cells, and basal cells. EBV-encoded small RNA-positive cells were more frequently detected in the suprabasal layer than in the basal layer. We established the most physiologically relevant EBV infection model of nasopharyngeal epithelial cells. This model will advance our understanding of EBV pathogenesis in the development of NPC.

SUBMITTER: Yu F 

PROVIDER: S-EPMC7564236 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Epstein-Barr Virus Infection of Pseudostratified Nasopharyngeal Epithelium Disrupts Epithelial Integrity.

Yu Fenggang F   Lu Yanan Y   Li Yingying Y   Uchio Yuji Y   Pangnguriseng Utomo Andi UA   Kartika Andy Visi AV   Iizasa Hisashi H   Yoshiyama Hironori H   Loh Kwok Seng KS  

Cancers 20200922 9


Epstein-Barr virus (EBV) is a human oncogenic virus that causes several types of tumor, such as Burkitt's lymphoma and nasopharyngeal carcinoma (NPC). NPC tumor cells are clonal expansions of latently EBV-infected epithelial cells. However, the mechanisms by which EBV transforms the nasopharyngeal epithelium is hampered, because of the lack of good in vitro model to pursue oncogenic process. Our primary nasopharyngeal epithelial cell cultures developed pseudostratified epithelium at the air-liqu  ...[more]

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