Abstract:
:Plasmid DNA vaccines encoding full-length antigen often induce both potent antibody and cytotoxic T lymphocyte (CTL) responses. Here, we examine strategies to exclusively elicit epitope-specific CTL responses using DNA constructs expressing a minimal class I MHC-restricted epitope of the nucleoprotein (NP) of influenza virus. The effects of the addition of an ER leader sequence or cytokine combination on minigene-induced CTL responses in vivo were assessed following both delivery by needle injection into skeletal muscle and by gene gun bombardment into skin epidermis. Our data indicate that the leader sequence enhanced the magnitude of the CTL responses, whereas co-injection of the cytokine genes IL-12 and GM-CSF had a minimal effect. An antibody response against NP was not observed in any of the mice receiving the minigene constructs.
journal_name
Vaccinejournal_title
Vaccineauthors
Iwasaki A,Dela Cruz CS,Young AR,Barber BHdoi
10.1016/s0264-410x(98)00411-3subject
Has Abstractpub_date
1999-04-09 00:00:00pages
2081-8issue
15-16eissn
0264-410Xissn
1873-2518pii
S0264-410X(98)00411-3journal_volume
17pub_type
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