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The Role Of Proximal And Distal Sequence Variations In The Presentation Of An Immunodominant Ctl Epitope Encoded By The Ecotropic Ak7 Mulv, Victor Kim, William R. Green
The Role Of Proximal And Distal Sequence Variations In The Presentation Of An Immunodominant Ctl Epitope Encoded By The Ecotropic Ak7 Mulv, Victor Kim, William R. Green
Dartmouth Scholarship
An emv-14-derived, replication-competent ecotropic murine leukemia virus [MuLV], designated AK7, was previously cloned from the AKXL-5 recombinant inbred mouse strain and partially characterized. While genetically encoding for an envelope-derived immunodominant CTL epitope [KSPWFTTL] located in the transmembrane region of p15TM, this virus, unlike the emv-11-derived virus AKR623, fails to be efficiently recognized by AKR/Gross MuLV-specific cytotoxic T lymphocytes [CTL]. AK7 thus provides the opportunity to study the role of retroviral sequence variations that are located outside of the immunodominant epitope as a mechanism of escape from CTL-mediated immune surveillance. In an attempt to identify which region[s] of the AK7 genome …