The external domain of rat ErbB-2 conjugated with a tetanus toxin Th-cell epitope were produced in Drosophila melanogaster S2 cell cultures, in the recent publication:
Vaccine. 2014 Feb 12;32(8):1012-8. doi: 10.1016/j.vaccine.2013.10.077. Epub 2013 Nov 11.

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