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Establishment and characterization of a cell line derived from Eptesicus nilssonii.

ABSTRACT: Bats of the genus Eptesicus have several non-retroviral RNA virus-derived sequences in their genomes, among which an endogenous bornavirus-like L element, named eEBLL-1, was suggested to encode functional proteins in the hosts. However, the function of eEBLL-1 remains unclear due to a lack of appropriate investigation tools, such as cultured cells expressing eEBLL-1. Here, we established a continuous cell line, named HAMOI-EnK cells, from kidney of Eptesicus nilssonii. HAMOI-EnK cells are robust and could be passaged for at least 10 months. eEBLL-1 in the genomes of HAMOI-EnK cells retains an intact open reading frame. Additionally, eEBLL-1 is transcribed in the sense-orientation in cells. To our knowledge, this is the first report to demonstrate that eEBLL-1 is transcribed in cultured cells.

SUBMITTER: Horie M

PROVIDER: S-EPMC5138430 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Establishment and characterization of a cell line derived from Eptesicus nilssonii.

Horie Masayuki M Akasaka Takumi T Matsuda Sachiko S Ogawa Haruko H Imai Kunitoshi K

The Journal of veterinary medical science 20160808 11

Bats of the genus Eptesicus have several non-retroviral RNA virus-derived sequences in their genomes, among which an endogenous bornavirus-like L element, named eEBLL-1, was suggested to encode functional proteins in the hosts. However, the function of eEBLL-1 remains unclear due to a lack of appropriate investigation tools, such as cultured cells expressing eEBLL-1. Here, we established a continuous cell line, named HAMOI-EnK cells, from kidney of Eptesicus nilssonii. HAMOI-EnK cells are robust ...[more]

PMID: 27499253

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Project description:PurposeGastric hepatoid adenocarcinoma is a rare subtype of primary gastric cancer and is a high-grade form of malignancy. However, the pathogenesis and molecular biology of gastric hepatoid adenocarcinoma remain poorly understood. The aim of this study was to establish and characterize a new human gastric hepatoid adenocarcinoma cell line, GC-030-35.Materials and methodsThe GC-030-35 cell line was established from tumor cells from a 58-year-old Chinese man with gastric hepatoid adenocarcinoma. The cultured cells underwent immunocytochemistry and flow cytometry to confirm the tumor cell phenotype. RNA sequencing was performed to analyze the differences in gene expression between GC-030-35 cells compared with normal gastric epithelial cells. A zebrafish assay was performed. Gene enrichment analysis and interrogation of the bioinformatics databases, the Gene Ontology (GO) database and the Kyoto Encyclopedia of Genes and Genomes (KEGG) database, were used for pathway analysis.ResultsFlow cytometry analysis of the GC-030-35 cells showed a positive expression rate for CD44+ of 10.7%, high cell clonality, an average plating efficiency of 32%, cell-doubling time of 29.2 hours, and cell proliferation for >15 generations in serial culture. The zebrafish assay showed the ability of the GC-030-35 cells to proliferate, promote angiogenesis, and metastasize. RNA sequencing identified the functional clustering of 6,601 differentially expressed genes of GC-030-35, which were significantly different when compared with nonneoplastic gastric epithelial cells. Pathway enrichment analysis and interrogation of the GO and KEGG bioinformatics databases identified genes for microbial metabolism in diverse environments (63 genes), metabolism of xenobiotics by cytochrome P450 (CYP450; 25 genes), and the drug metabolism cytochrome P450 (28 genes).ConclusionA human gastric hepatoid adenocarcinoma cell line, GC-030-35, was developed and characterized by comparison with normal gastric epithelial cells. Bioinformatics and gene analysis data showed that the CYP450 gene was significantly differentially expressed by GC-030-35 cells.

Dataset Information

Establishment and characterization of a cell line derived from Eptesicus nilssonii.

Publications

Establishment and characterization of a cell line derived from Eptesicus nilssonii.

Similar Datasets

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