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One of the newly sequenced gag genes (BS72) was apparently derived through recombination between F2 and CRF36_cpx parental viruses, one of the nef genes was apparently derived through recombination between F and CRF22_01A1 parental viruses. The phylogenetic analysis of gag sequences derived from the Cameroonian samples further revealed four sequences (BS09, BS25, BS16 and BS42) situated on diverge
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Mpled sequences are likely CRF02_AG (accounting for 50 of HIV-1M infections), with the other "pure" subtypes (G, D, A, and F) and CRFs (CRF11_cpx, 36_cpx, 37_cpx, and CRF01_AE) accounting for the remainder of infections. CRF02_AG and clade G viruses are broadly distributed across west central Africa and have apparently been circulating stably there for many years [3,17-19], consistent with the pr
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Ion of immortalized MARCO and SR-AI/II-deficient murine alveolar macrophage cell linesHongwei Zhou1, Amy Imrich1 and Lester Kobzik*1,Address: 1Department of Environmental Health, Harvard School of Public Health, Boston, MA, 02115, USA and 2Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA Email: Hongwei Zhou - hzhou@hsph.harvard.edu; Amy Imrich -
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Ion of immortalized MARCO and SR-AI/II-deficient murine alveolar macrophage cell linesHongwei Zhou1, Amy Imrich1 and Lester Kobzik*1,Address: 1Department of Environmental Health, Harvard School of Public Health, Boston, MA, 02115, USA and 2Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA Email: Hongwei Zhou - hzhou@hsph.harvard.edu; Amy Imrich -
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Duced CD55 promotes T-cell proliferation and Th1 cytokine expression. In addition to C3 production, APCs cleave C3 leading to autocrine and paracrine C3R signaling. C3R signaling promotes MHC class II expression, IL-12 production and B7 co-stimulatory molecules. Dendritic cells that fail to express C3aR suffer reduced T-cell activation. Anaphylatoxins are well known initiators of inflammation but
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Two samples for which only gag or nef was typed, these were classified as belonging to CRF11_cpx. Notably, despite subtypes B and C collectively accounting for approximately 75 infections worldwide [16], none of our sequences were classified as belonging to either of these clades. In 10/46 samples from which both nef and gag sequences were analysed, they were classified as belonging to different
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Onfim I, Camacho RJ, Vandamme AM, Lemey P: Phylodynamics of the HIV-1 CRF02_AG clade in Cameroon. Infect Genet Evol 2012, 12:453?60. 20. Zhang M, Foley B, Schultz AK, Macke JP, Bulla I, Stanke M, Morgenstern B, Korber B, Leitner T: The role of recombination in the emergence of a complex and dynamic HIV epidemic. Retrovirology 2010, 7:25. 21. Carr JK, Salminen MO, Albert J, Sanders-Buell E, Gotte D
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Type 1: subtype G is a circulating recombinant form. J Virol 2007, 81:8543?551.doi:10.1186/1743-422X-10-29 Cite this article as: Tongo et al.: Characterization of HIV-1 gag and nef in Cameroon: further evidence of extreme diversity at the origin of the HIV-1 group M epidemic. Virology Journal 2013 10:29.Submit your next manuscript to BioMed Central and take full advantage of:?Convenient online sub