Abstract: The present invention relates to a nucleic acid molecule encoding a chimeric polypeptide comprising a peptide of interest fused to one or more heterologous moieties, wherein at least one of the heterologous moieties is a ligand of the Sortilin receptor. The invention also relates to a chimeric polypeptide encoded by said nucleic acid molecule and uses thereof.

Abstract: The present invention relates to a mini-glycogen debranching enzyme ((GDE); mini-GDE) for the treatment of glycogen storage disease III (GSDIII (Cori disease). Also disclosed are functional truncated human GDE polypeptides, functional non-human GDE polypeptides, nucleic acid molecules, nucleic acid constructs, or vectors encoding functional truncated human GDE or non-human GDE polypeptides as well as host cells expressing functional truncated human GDE or non-human GDE polypeptides. In a further aspect, the disclosure provides functional truncated human GDE polypeptides, functional non-human GDE polypeptides, nucleic acid molecules, nucleic acid constructs, vectors, or cells of the invention for use in a method for treating GSDIII (Cori disease).

Abstract: Disclosed herein are methods for regulating expression of a gene located on an episomal vector in a subject in need thereof. In particular, methods include administering to the subject one or more gene editing agents that modify a region of the gene to thereby regulate the expression of the gene. Also disclosed are methods of administering to the subject a base editor system that effects a base alteration in a region of the gene or a region of an mRNA transcript of the gene to thereby regulate the expression of the gene.

Abstract: Virus vectors, virus particles, and methods and uses of screening for, detecting, analyzing and determining amounts of virus antibody, or neutralizing antibody activity of samples are provided. Such virus vectors, virus particles, and methods and uses are applicable to a broad range of virus types, such as lentiviruses, adenovirus, and adeno-associated virus (AAV) serotypes. Methods and uses include virus antibody screening, such as anti-virus immunoglobulins screened for, detected, analyzed and amounts determined.

Abstract: The present invention relates to variants of acid-alpha glucosidase and uses thereof.

Abstract: The present invention relates to hybrid transcription regulatory elements to drive gene expression, in particular hybrid promoters, designed by the fusion of at least two transcription regulatory elements with different tissue selectivity, such as two promoters driving expression in different tissues in a tissue-selective manner.

Abstract: The invention relates to a nucleic acid construct for gene therapy of FGF-23 related hypophosphatemic diseases, in particular gene therapy directed to muscle, liver or hematopoietic tissue, more particularly liver tissue. The invention relates also to a vector comprising the nucleic acid construct, and their use for the treatment of FGF-23 related hypophosphatemic diseases, in particular XLH, by gene therapy.

Abstract: The present invention relates to hybrid transcription regulatory elements to drive gene expression, in particular hybrid promoters, designed by the fusion of at least two transcription regulatory elements with different tissue selectivity, such as two promoters driving expression in different tissues in a tissue-selective manner.

Abstract: The invention relates to a recombinant adeno-associated virus (AAV) capsid protein, which is a hybrid between AAV serotype 9 (AAV9) and AAV serotype 74 (AAVrh74) capsid proteins, wherein said recombinant hybrid AAV capsid protein has a reduced liver tropism compared to the parent AAV9 and AAVrh74 capsid proteins. The invention relates also to the derived hybrid AAV serotype vector particles packaging a gene of interest and their use in gene therapy, in particular for treating neuromuscular genetic diseases.

Abstract: The invention relates to a recombinant adeno-associated virus (AAV) capsid protein, which is a hybrid between AAV serotype 9 (AAV9) and AAV serotype 74 (AAVrh74) capsid proteins, wherein said recombinant hybrid AAV capsid protein has a reduced liver tropism compared to the parent AAV9 and AAVrh74 capsid proteins. The invention relates also to the derived hybrid AAV serotype vector particles packaging a gene of interest and their use in gene therapy, in particular for treating neuromuscular genetic diseases.

Abstract: The invention relates to adeno-associated virus (AAV) serotype AAV-Rh74 and related AAV vectors, and AAV-Rh74 and related AAV vector mediated gene transfer methods and uses. In particular, AAV-Rh74 targets polynucleotides to cells, tissues or organs for expression (transcription) of genes encoding therapeutic proteins and peptides, and polynucleotides that function as or are transcribed into inhibitory nucleic acid sequences.

Abstract: The present invention relates to variants of acid-alpha glucosidase and uses thereof.

Abstract: The invention relates to a nucleic acid sequence useful in the treatment of hyperbilirubinemia, in particular in the treatment of Crigler-Najjar syndrome. More particularly, the nucleic acid sequence of the present invention is a codon-optimized UGT1A1 coding sequence.

Abstract: The present invention relates to vectors and compositions for the treatment of glycogen storage disease III.

Abstract: Disclosed herein are methods for treating patients that may develop or already have pre-existing gene therapy neutralizing antibodies by administering a protease that cleaves peptide bonds present in immunoglobulins or by administering a glycosidase that cleaves carbohydrate residues present on immunoglobulins, or other similar enzymatic cleavage of immunoglobulins in vivo. Also disclosed are methods for utilizing IdeS and other immunoglobulin G-degrading enzyme polypeptides for gene therapy treatment of a disease in a patient in need thereof.

Abstract: Nucleic acids encoding fusion proteins that contain an unwanted antigen and a leader sequence for cell secretion are described. Also described are expression cassettes, vectors, cells, and cell lines containing the nucleic acids, as well as methods of using the nucleic acids to treat autoimmune, allergic and other diseases and disorders, such as multiple sclerosis.

Abstract: The present invention relates to a nucleic acid molecule encoding a chimeric polypeptide comprising a peptide of interest fused to one or more heterologous moieties, wherein at least one of the heterologous moieties is a ligand of the Sortilin receptor. The invention also relates to a chimeric polypeptide encoded by said nucleic acid molecule and uses thereof.

Abstract: Compositions and methods are provided for inhibiting T cell mediated destruction of virally transduced, trangene containing cells.

Abstract: The present invention relates to vectors and compositions for the treatment of glycogen storage disease III.

Abstract: The present invention relates to variants of acid-alpha glucosidase and uses thereof. Said variants are sequence-optimized and/or are linked to a heterogenous signal peptide.