| CPC A61K 48/005 (2013.01) [A61K 48/0075 (2013.01); A61P 21/00 (2018.01); C07K 14/4707 (2013.01); C12N 15/86 (2013.01); A61K 45/06 (2013.01)] | 17 Claims |

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1. A recombinant AAV (rAAV) vector comprising an AAV capsid and a gene expression cassette comprising a polynucleotide sequence encoding γ-sarcoglycan and a muscle specific control element, wherein the polynucleotide sequence encoding γ-sarcoglycan is under the transcriptional control of the muscle specific control element, wherein the polynucleotide sequence comprises a nucleotide sequence at least 95% identical to SEQ ID NO: 1 or SEQ ID NO: 3.
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