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Breadth of CD8 T-cell mediated inhibition of replication of diverse HIV-1 transmitted-founder isolates correlates with the breadth of recognition within a comprehensive HIV-1 Gag, Nef, Env and Pol potential T-cell epitope (PTE) peptide set

PLoS ONE. 2021-11; 
Peter Hayes, Natalia Fernandez, Christina Ochsenbauer, Jama Dalel, Jonathan Hare, Deborah King, Lucas Black, Claire Streatfield, Vanaja Kakarla, Gladys Macharia, Julia Makinde, Matt Price, Eric Hunter, Jill Gilmour
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Catalog Peptides a pool of 138 15mer peptides overlapping by 11 amino acids matched to the Cytomegalovirus (CMV) pp65 protein (Genscript Biotech, Netherlands) or the 7 Nef peptide pools of the 1st dimension of the Nef matrix. Get A Quote

摘要

Full characterisation of functional HIV-1-specific T-cell responses, including identification of recognised epitopes linked with functional antiviral responses, would aid development of effective vaccines but is hampered by HIV-1 sequence diversity. Typical approaches to identify T-cell epitopes utilising extensive peptide sets require subjects' cell numbers that exceed feasible sample volumes. To address this, CD8 T-cells were polyclonally expanded from PBMC from 13 anti-retroviral naïve subjects living with HIV using CD3/CD4 bi-specific antibody. Assessment of recognition of individual peptides within a set of 1408 HIV-1 Gag, Nef, Pol and Env potential T-cell epitope peptides was achieved by sequential IFNγ... More

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