| CPC A61K 48/0058 (2013.01) [A61P 27/16 (2018.01); C07K 14/4716 (2013.01); C12N 2750/14143 (2013.01)] | 25 Claims | 
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               1. A polynucleotide comprising a first region having at least 85% sequence identity to SEQ ID NO: 1 or a functional portion thereof comprising the sequence of SEQ ID NO: 3 and/or SEQ ID NO: 4, operably linked to a second region having at least 85% sequence identity to SEQ ID NO: 2 or a functional portion thereof comprising the sequence of SEQ ID NO: 8 and/or SEQ ID NO: 9, wherein the first region is fused directly to the second region or is joined to the second region by a linker comprising one to one hundred nucleotides. 
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