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- Title
Human T-cell leukemia virus type 1 Tax protein stimulates the interferon-responsive enhancer element via NF-κB activity<sup>1</sup><FN ID="FN1"><NO>1</NO>The nucleotide sequences for rat 2,5-oligoadenylate synthetase-2, CyCAP/90K/MAC-2 binding protein, schlafen-4, and calpain-6 have been submitted to GenBank database under accession numbers AF068268, AF065438, AF168795, and AF067793, respectively.</FN>
- Authors
Shimizu, Toshiki; Kawakita, Shigenari; Li, Qin-Hua; Fukuhara, Shirou; Fujisawa, Jun-ichi
- Abstract
Gene expression in Rat-1 fibroblast cells transformed by Tax from human T-cell leukemia virus type 1 was studied using the reverse transcriptase polymerase chain reaction differential display technique. The analysis revealed eight genes that were upregulated and one gene that was suppressed in Tax-transformed cells. Interestingly, at least four of the upregulated genes were interferon-stimulated genes. Promoter analysis of the 2′,5′-oligoadenylate synthetase gene, which was activated in both Tax-transformed Rat-1 cells and primary adult T-cell leukemia cells, demonstrated that Tax indirectly activates its interferon-responsive enhancer element in a nuclear factor-κB pathway-dependent manner, indicating a close association of interferon signaling with the transformation by Tax.
- Subjects
HTLV; REVERSE transcriptase
- Publication
FEBS Letters, 2003, Vol 539, Issue 1-3, p73
- ISSN
0014-5793
- Publication type
Article
- DOI
10.1016/S0014-5793(03)00200-X