Use of Caco-2 Cells for Isolation of Influenza Virus

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  • Caco-2細胞を用いたインフルエンザウイルスの分離
  • Caco-2 サイボウ オ モチイタ インフルエンザ ウイルス ノ ブンリ

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Abstract

In this study we assessed the usefulness of Caco-2 cells, derived from a human colon carcinoma, to isolate an influenza virus.<BR>Throat washings collected from 30 patients with influenza-like illnesses in Miyazaki Prefecture in 1997 were inoculated in MDCK and Caco-2 cells, 17 influenza virus strains were isolated in MDCK cells, and 20 in Caco-2 cells. Of all the viruses isolated, only one strain was identified as influenza virus type B; other strains were identified as type A (H3N2). Furthermore, some influenza viruses were isolated in Caco-2 cells also from the specimens collected between 1991 and 1997. With Caco-2 cells, each type of influenza virus was isolated effectively without the supplement of trypsin in the culture medium.<BR>These facts indicate the usefulness of Caco-2 cells as a host to isolate influenza virus as shown to be suitable in the detection of many types of enteric viruses. Caco-2 cells will serve as a useful cell line for the surveillance of infectious disease because Caco-2 cells are sensitive to a wide range of virus.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 72 (4), 347-351, 1998

    The Japanese Association for Infectious Diseases

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