Long-term culture of human lung adenocarcinoma A549 cells enhances the replication of human influenza A viruses
Long-term culture of the human lung adenocarcinoma cell line A549 promotes the differentiation of these cells toward an alveolar type II cell phenotype. Here, we evaluated the susceptibility of long-term cultured A549 cells to human influenza viruses. A549 cells were cultured continuously for 25 day...
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| Published in | Journal of general virology Vol. 100; no. 10; pp. 1345 - 1349 |
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| Main Authors | , , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
England
Microbiology Society
01.10.2019
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| Subjects | |
| Online Access | Get full text |
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| Abstract | Long-term culture of the human lung adenocarcinoma cell line A549 promotes the differentiation of these cells toward an alveolar type II cell phenotype. Here, we evaluated the susceptibility of long-term cultured A549 cells to human influenza viruses. A549 cells were cultured continuously for 25 days (D25-A549) or 1 day (D1-A549) in Ham’s F12K medium. Six human influenza A viruses grew much faster in D25-A549 cells than in D1-A549 cells; however, two influenza B viruses replicated poorly in both cell types. Two avian influenza viruses replicated efficiently in both cell types, with similar titres. Expression levels of human virus receptors were higher in D25-A549 cells than in D1-A549 cells. D25-A549 cells thus more efficiently support the replication of human influenza A viruses compared with D1-A549 cells. Our data suggest that long-term cultured A549 cells will be useful for influenza A virus research. |
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| AbstractList | Long-term culture of the human lung adenocarcinoma cell line A549 promotes the differentiation of these cells toward an alveolar type II cell phenotype. Here, we evaluated the susceptibility of long-term cultured A549 cells to human influenza viruses. A549 cells were cultured continuously for 25 days (D25-A549) or 1 day (D1-A549) in Ham’s F12K medium. Six human influenza A viruses grew much faster in D25-A549 cells than in D1-A549 cells; however, two influenza B viruses replicated poorly in both cell types. Two avian influenza viruses replicated efficiently in both cell types, with similar titres. Expression levels of human virus receptors were higher in D25-A549 cells than in D1-A549 cells. D25-A549 cells thus more efficiently support the replication of human influenza A viruses compared with D1-A549 cells. Our data suggest that long-term cultured A549 cells will be useful for influenza A virus research. Long-term culture of the human lung adenocarcinoma cell line A549 promotes the differentiation of these cells toward an alveolar type II cell phenotype. Here, we evaluated the susceptibility of long-term cultured A549 cells to human influenza viruses. A549 cells were cultured continuously for 25 days (D25-A549) or 1 day (D1-A549) in Ham's F12K medium. Six human influenza A viruses grew much faster in D25-A549 cells than in D1-A549 cells; however, two influenza B viruses replicated poorly in both cell types. Two avian influenza viruses replicated efficiently in both cell types, with similar titres. Expression levels of human virus receptors were higher in D25-A549 cells than in D1-A549 cells. D25-A549 cells thus more efficiently support the replication of human influenza A viruses compared with D1-A549 cells. Our data suggest that long-term cultured A549 cells will be useful for influenza A virus research.Long-term culture of the human lung adenocarcinoma cell line A549 promotes the differentiation of these cells toward an alveolar type II cell phenotype. Here, we evaluated the susceptibility of long-term cultured A549 cells to human influenza viruses. A549 cells were cultured continuously for 25 days (D25-A549) or 1 day (D1-A549) in Ham's F12K medium. Six human influenza A viruses grew much faster in D25-A549 cells than in D1-A549 cells; however, two influenza B viruses replicated poorly in both cell types. Two avian influenza viruses replicated efficiently in both cell types, with similar titres. Expression levels of human virus receptors were higher in D25-A549 cells than in D1-A549 cells. D25-A549 cells thus more efficiently support the replication of human influenza A viruses compared with D1-A549 cells. Our data suggest that long-term cultured A549 cells will be useful for influenza A virus research. |
| Author | Nakamura, Kazuya Kawaoka, Yoshihiro Sakai-Tagawa, Yuko Watanabe, Shinji Ujie, Michiko Imai, Masaki Ito, Mutsumi Kiso, Maki Takada, Kosuke |
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| Title | Long-term culture of human lung adenocarcinoma A549 cells enhances the replication of human influenza A viruses |
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