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A five-year longitudinal analysis of sooty mangabeys naturally infected with simian immunodeficiency virus reveals a slow but progressive decline in CD4+ T-cell count whose magnitude is not predicted by viral load or immune activation.
Taaffe J, Chahroudi A, Engram J, Sumpter B, Meeker T, Ratcliffe S, Paiardini M, Else J, Silvestri G. Taaffe J, et al. Among authors: ratcliffe s. J Virol. 2010 Jun;84(11):5476-84. doi: 10.1128/JVI.00039-10. Epub 2010 Mar 24. J Virol. 2010. PMID: 20335252 Free PMC article.
Immunological and virological analyses of rhesus macaques immunized with chimpanzee adenoviruses expressing the simian immunodeficiency virus Gag/Tat fusion protein and challenged intrarectally with repeated low doses of SIVmac.
Cervasi B, Carnathan DG, Sheehan KM, Micci L, Paiardini M, Kurupati R, Tuyishime S, Zhou XY, Else JG, Ratcliffe SJ, Ertl HC, Silvestri G. Cervasi B, et al. Among authors: ratcliffe sj. J Virol. 2013 Sep;87(17):9420-30. doi: 10.1128/JVI.01456-13. Epub 2013 Jun 26. J Virol. 2013. PMID: 23804645 Free PMC article.
Depletion of CD4⁺ T cells abrogates post-peak decline of viremia in SIV-infected rhesus macaques.
Ortiz AM, Klatt NR, Li B, Yi Y, Tabb B, Hao XP, Sternberg L, Lawson B, Carnathan PM, Cramer EM, Engram JC, Little DM, Ryzhova E, Gonzalez-Scarano F, Paiardini M, Ansari AA, Ratcliffe S, Else JG, Brenchley JM, Collman RG, Estes JD, Derdeyn CA, Silvestri G. Ortiz AM, et al. Among authors: ratcliffe s. J Clin Invest. 2011 Nov;121(11):4433-45. doi: 10.1172/JCI46023. Epub 2011 Oct 17. J Clin Invest. 2011. PMID: 22005304 Free PMC article.
Vaccine-induced, simian immunodeficiency virus-specific CD8+ T cells reduce virus replication but do not protect from simian immunodeficiency virus disease progression.
Engram JC, Dunham RM, Makedonas G, Vanderford TH, Sumpter B, Klatt NR, Ratcliffe SJ, Garg S, Paiardini M, McQuoid M, Altman JD, Staprans SI, Betts MR, Garber DA, Feinberg MB, Silvestri G. Engram JC, et al. Among authors: ratcliffe sj. J Immunol. 2009 Jul 1;183(1):706-17. doi: 10.4049/jimmunol.0803746. J Immunol. 2009. PMID: 19542473
Correlates of relative resistance against low-dose rectal simian immunodeficiency virus challenges in peripheral blood mononuclear cells of vaccinated rhesus macaques.
Kurupati R, Tuyishime S, Kossenkov AV, Sazanovich M, Haut LH, Lasaro MO, Ratcliffe SJ, Bosinger SE, Carnathan DG, Lewis M, Showe LC, Silvestri G, Ertl HC. Kurupati R, et al. Among authors: ratcliffe sj. J Leukoc Biol. 2013 Mar;93(3):437-48. doi: 10.1189/jlb.0612287. Epub 2012 Dec 27. J Leukoc Biol. 2013. PMID: 23271702 Free PMC article.
Vaccine-induced T cells provide partial protection against high-dose rectal SIVmac239 challenge of rhesus macaques.
Lasaro MO, Haut LH, Zhou X, Xiang Z, Zhou D, Li Y, Giles-Davis W, Li H, Engram JC, Dimenna LJ, Bian A, Sazanovich M, Parzych EM, Kurupati R, Small JC, Wu TL, Leskowitz RM, Klatt NR, Brenchley JM, Garber DA, Lewis M, Ratcliffe SJ, Betts MR, Silvestri G, Ertl HC. Lasaro MO, et al. Mol Ther. 2011 Feb;19(2):417-26. doi: 10.1038/mt.2010.238. Epub 2010 Nov 16. Mol Ther. 2011. PMID: 21081905 Free PMC article.
413 results