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  • Title: Constitutive cytokine release by simian T-cell lymphotrophic virus type I (STLV-I) and human T-cell lymphotrophic virus types I/II (HTLV-I/II) transformed cell lines.
    Author: Lazo A, Bailer RT.
    Journal: J Med Primatol; 1996 Aug; 25(4):257-66. PubMed ID: 8906604.
    Abstract:
    Simian T-cell lymphotrophic virus type I (STLV-I) and human T-cell lymphotrophic virus types I/II (HTLV-I/II) contain the tax gene which can transactivate the transcription of viral and cellular genes including several cytokines. These investigations used two STLV-I and four different HTLV-I/II transformed cell lines to quantitate constitutive cytokine release, p24 antigen production, and to correlate gag p24 antigen and cytokine release. These investigations are the first to report 1) quantitative comparison of constitutive release of multiple cytokines by several STLV-I and HTLV-I/II transformed cell lines and to determine the cytokines constitutively released by STLV-I transformed cell lines as IL-6, b-FGF, and GM-CSF (and TNF-beta, and PDGF in a higher viral producing line); 2) statistically significant differences in levels of cytokines produced by STLV-I and HTLV-I/II transformed cell lines, dependent on the method of results quantification; and 3) a correlation between levels of STLV-I and HTLV-I/II and gag p24 antigen production and cytokine production.
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