The world's first wiki where authorship really matters (Nature Genetics, 2008). Due credit and reputation for authors. Imagine a global collaborative knowledge base for original thoughts. Search thousands of articles and collaborate with scientists around the globe.

wikigene or wiki gene protein drug chemical gene disease author authorship tracking collaborative publishing evolutionary knowledge reputation system wiki2.0 global collaboration genes proteins drugs chemicals diseases compound
Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Molecular targeting with recombinant cytotoxins of interleukin-13 receptor alpha2-expressing glioma.

A restricted receptor for interleukin 13 (IL-13R alpha2) is over-expressed in high-grade astrocytoma (HGA), but not in normal organs. In order to design and examine new anti-HGA therapies, which are molecularly directed against IL-13R alpha2, we established an IL-13R alpha2-expressing syngeneic immunocompetent murine model of HGA. The model was obtained by transfecting G-26 murine glioma cells with IL-13R alpha2. G-26-IL-13R alpha2(+) cells, but not mock-transfected cells, became susceptible to IL-13 mutant-based cytotoxic proteins that kill human HGA cells. G-26-IL-13R alpha2(+) cells maintained their tumorigenicity in immunocompetent C57BL/J6 mice and preserved their expression of IL-13R alpha2 in vivo. These characteristics of the G-26-IL-13R alpha2(+) tumors allowed us to test molecularly defined anti-glioma passive immunotherapy. A targeted recombinant chimera cytotoxin composed of multiply mutated IL-13 (IL-13.E13Y/R66D/S69D) and a derivative of Pseudomonas exotoxin (PE), PE1E, IL-13.E13Y/R66D/S69D-PE1E, was used in anti-tumor experiments. G-26-IL-13R alpha2(+) cells were killed by IL-13.E13Y/R66D/S69D-PE1E in an IL-4-independent fashion. To test the cytotoxin in vivo, G-26-IL-13R alpha2(+) tumors were established in C57BL/J6 mice and when the tumors reached a size of at least 50 mm3, the mice were treated with IL-13.E13Y/R66D/S69D-PE1E. In the mice treated with the targeted fusion cytotoxin, the tumors regressed and 80% of the animals were cured. This study documents the establishment of an IL-13R alpha2-positive model of HGA in immunocompetent rodents. Furthermore, the effectiveness and safety of the targeted IL-13-based cytotoxin against IL-13R alpha2-expressing tumors in a more clinically relevant in vivo HGA model is promising with regard to the future clinical utility of the cytotoxin.[1]


  1. Molecular targeting with recombinant cytotoxins of interleukin-13 receptor alpha2-expressing glioma. Mintz, A., Gibo, D.M., Madhankumar, A.B., Debinski, W. J. Neurooncol. (2003) [Pubmed]
WikiGenes - Universities