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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Prolonged amelioration of acute lung allograft rejection by overexpression of human interleukin-10 under control of a long acting ubiquitin C promoter in rats.

BACKGROUND: The prolonged effect of electroporation-mediated human interleukin-10 (hIL-10) overexpression in skeletal muscle under the control of the constitutional polyubiquitin C promoter (pUb hIL-10) on rat lung allograft rejection was evaluated. METHODS: Left lung allotransplantation was performed from Brown-Norway to Fischer-F344 rats. Either 2.5 mug pCIK hIL-10 (hIL-10/cytomegalovirus early promoter enhancer) alone (Group I/sacrifice Day 5 and II/sacrifice Day 10) or in combination with 2.5 mug pUb hIL-10 (hIL-10/UbC promoter; Group III/sacrifice Day 10) were injected into the tibialis anterior muscle of the recipient, followed by electroporation 24 hours before transplantation. Animals in Control Groups IV and V without gene transfer were euthanized on Day 5 and 10, respectively. All animals received a daily non-therapeutic dose of cyclosporine A (2.5 mg/kg). RESULTS: In Control Group IV, complete rejection (median A3B3) was noted on Day 5 with a Pao(2) of 43 +/- 9 mm Hg. In recipients of Control Group V, measurement of gas exchange on Day 10 and rejection grading was impossible because of complete destruction of the allograft. Group I animals on Day 5 (233 +/- 123 mm Hg; p = 0.02 vs Group IV) and Group II animals on Day 10 (150 +/- 139 mm Hg; p = 0.15 vs Group IV) demonstrated improved graft function. Graft function in Group III was further improved on Day 10 (299 +/- 123 mm Hg; p = 0.002 vs Group IV; p = 0.05 vs Group II; p = 0.36 vs Group I). Rejection was significantly reduced in Group III (median, A2B2) compared with Group II (median, A4B3; p < 0.05). CONCLUSIONS: Interleukin-10 overexpression under control of the constitutive ubiquitin C promoter ameliorates acute rejection and preserves lung graft function for a prolonged time.[1]

References

  1. Prolonged amelioration of acute lung allograft rejection by overexpression of human interleukin-10 under control of a long acting ubiquitin C promoter in rats. Stammberger, U., Bilici, M., Gugger, M., Gazdhar, A., Hamacher, J., Hyde, S.C., Schmid, R.A. J. Heart Lung Transplant. (2006) [Pubmed]
 
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