According to further features in preferred embodiments of the invention described below {HEAD ~ the method} of delivering a therapeutic or a cosmetic agent into a tissue further comprising culturing {TAIL ~ the at least one stinging cell} expressing the therapeutic, cosmetic or diagnostic agent prior to step  
comprising culturing
According to further features in preferred embodiments of the invention described below { HEAD ~ the method } of delivering a therapeutic or a cosmetic agent into a tissue further comprising culturing { TAIL ~ the at least one stinging cell } expressing the therapeutic , cosmetic or diagnostic agent prior to step
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH