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Last Updated: November 22, 2024

Claims for Patent: 9,024,007

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Summary for Patent: 9,024,007

Title:	Antisense oligonucleotides for inducing exon skipping and methods of use thereof
Abstract:	An antisense molecule capable of binding to a selected target site to induce exon skipping in the dystrophin gene, as set forth in SEQ ID NO: 1 to 202.
Inventor(s):	Wilton; Stephen Donald (Applecross, AU), Fletcher; Sue (Bayswater, AU), McClorey; Graham (Bayswater, AU)
Assignee:	The University of Western Australia (Crawley, AU)
Application Number:	14/316,609
Patent Claims:	1. An antisense oligonucleotide of 25 bases comprising a base sequence that is 100% complementary to 25 consecutive nucleotides of a target region of exon 53 of the human dystrophin pre-mRNA, wherein the target region is within annealing site H53A(+23+47) and annealing site H53A(+39+69), wherein the antisense oligonucleotide base sequence comprises at least 20 consecutive bases of C AUU CAA CUG UUG CCU CCG GUU CUG AAG GUG (SEQ ID NO: 193), in which uracil bases are thymine bases, wherein the antisense oligonucleotide is a morpholino antisense oligonucleotide, wherein the antisense oligonucleotide is chemically linked to a polyethylene glycol chain, and wherein the antisense oligonucleotide specifically hybridizes to the target region to induce exon 53 skipping. 2. A pharmaceutical composition comprising an antisense oligonucleotide of 25 bases comprising a base sequence that is 100% complementary to 25 consecutive nucleotides of a target region of exon 53 of the human dystrophin pre-mRNA, wherein the target region is within annealing site H53A(+23+47) and annealing site H53A(+39+69), wherein the antisense oligonucleotide base sequence comprises at least 20 consecutive bases of C AUU CAA CUG UUG CCU CCG GUU CUG AAG GUG (SEQ ID NO: 193), in which uracil bases are thymine bases, wherein the antisense oligonucleotide is a morpholino antisense oligonucleotide, wherein the antisense oligonucleotide is chemically linked to a polyethylene glycol chain, and wherein the antisense oligonucleotide specifically hybridizes to the target region to induce exon 53 skipping, and a pharmaceutically acceptable carrier.

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