Abstract:
:We investigated the influence of the site of administration of DNA vaccine on the induced immune response. DNA vaccines were administered by electroporation at three different sites: tibial cranial muscle, abdominal skin and ear pinna. Aiming to draw general conclusions about DNA vaccine delivery, we successively used several plasmids encoding either luciferase and ovalbumin as models or gp160 and P1A as vaccines against HIV and P815 mastocytoma, respectively. Low levels and duration of luciferase transgene expression were observed after electroporation of the abdominal skin, partly explaining its lower immunogenic performance as compared to the other sites of administration. Analyses of OT-I CD8+ and OT-II CD4+ T cell responses highlighted the differential impact of the delivery site on the elicited immune response. Muscle electroporation induced the strongest humoral immune response and both muscle and ear pinna sites induced cellular immunity against gp160. Ear pinna delivery generated the highest level of CTL responses against P1A but electroporation of muscle and ear pinna were equally efficient in delaying P815 growth and improving mice survival. The present study demonstrated that the site of administration is a key factor to be tested in the development of DNA vaccine.
journal_name
Vaccinejournal_title
Vaccineauthors
Vandermeulen G,Vanvarenberg K,De Beuckelaer A,De Koker S,Lambricht L,Uyttenhove C,Reschner A,Vanderplasschen A,Grooten J,Préat Vdoi
10.1016/j.vaccine.2015.05.005subject
Has Abstractpub_date
2015-06-22 00:00:00pages
3179-85issue
28eissn
0264-410Xissn
1873-2518pii
S0264-410X(15)00619-2journal_volume
33pub_type
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