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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yokosawa, N. Kubota, T. Fujii, N. |
| Copyright Year | 1998 |
| Abstract | Poor induction of interferon-induced 2′,5′-oligoadenylate synthetase (2-5AS) has been demonstrated in cells persistently infected with mumps virus as compared with uninfected cells. As for the number of interferon (IFN) receptors and the level of IFN regulatory factors (IRF-1 and IRF-2) mRNAs, there was little difference between them. Therefore, it is suggested that the IFN-α signaling system is ineffective in the persistently infected cells. Components of IFN-stimulating gene factor 3α (ISGF-3α), STAT-1α (p91) and STAT-2 (p113), were investigated in human amnion (FL), human nasopharyngeal cancer (KB), human T-lymphoid (HUT 78), and human B-lymphoid (Akata) cells persistently infected with mumps virus. STAT-1α, but not STAT-2, disappeared in these persistently infected cells, and this factor was not restored by treatment of these cells with IFN. However, no difference was observed between the levels of STAT-1α mRNA transcript in persistently infected and uninfected control cells. It is reason- able to infer that the poor induction of 2-5AS activity is due to the decrease of STAT-1α in correlation with the IFN-signal transduction pathway. Furthermore, induction of other IFN-stimulated genes (ds-RNA activated protein kinase, PKR, and MxA protein) was also reduced in the cells persistently infected with mumps virus. |
| Starting Page | 1985 |
| Ending Page | 1992 |
| Page Count | 8 |
| File Format | |
| ISSN | 03048608 |
| Journal | Archives of Virology |
| Volume Number | 143 |
| Issue Number | 10 |
| e-ISSN | 14328798 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2014-04-08 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Virology Medical Microbiology Infectious Diseases |
| Content Type | Text |
| Resource Type | Article |
| Subject | Virology Medicine |
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