BioMed Research International / 2019 / Article / Fig 6

Research Article

Rapid Production of Human VEGF-A following Intradermal Injection of Modified VEGF-A mRNA Demonstrated by Cutaneous Microdialysis in the Rabbit and Pig In Vivo

Figure 6

Concentrations of human VEGF-A in microdialysis eluates from 100 kDa microdialysis probes intradermally inserted on the pig (n=3) abdomen. Values presented as individual values in eluate from each probe. Six intradermal VEGF-A mRNA injections (50 μL each, total 24, 120, or 600 μg VEGF-A mRNA) were given at t=0 h. At t=1.5 h after the injections, microdialysis was started. Eluates were collected during the time intervals from 1.5 h to 3.5 h, from 3.5 h to 5.5 h, and from 5.5 h to 7.5 h, respectively. Dotted vertical line indicates Lower Limit of Quantification (33.4 pg/mL); eluate samples below LLOQ are depicted as 0.5LLOQ=16.7 pg/mL. Six probes were inserted in each pig, two probes per dose except the 120 μg dose, where only four probes were used to assess human VEGF-A production following injection of 24 or 600 μg VEGF-A mRNA. The remaining two probes were used to study effects following injection of citrate/saline vehicle.

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