Abstract: Disclosed herein are recombinant meganucleases engineered to recognize and cleave a recognition sequence present in the human beta-2 microglobulin gene. The disclosure further relates to the use of such recombinant meganucleases in methods for producing genetically-modified eukaryotic cells, and to a population of genetically-modified T cells having reduced cell-surface expression of beta-2 microglobulin.

Abstract: Disclosed herein is a genetically-modified cell comprising in its genome a modified human T cell receptor alpha constant region gene, wherein the cell has reduced cell-surface expression of the endogenous T cell receptor. The present disclosure further relates to methods for producing such a genetically-modified cell, and to methods of using such a cell for treating a disease in a subject.

Abstract: Disclosed are recombinant meganucleases engineered to bind and cleave a recognition sequence present in a mutant RHO P23H allele. The invention further relates to the use of such recombinant meganucleases in a method for treating retinitis pigmentosa, wherein the mutant RHO P23H allele is preferentially targeted, cleaved, and inactivated.

Abstract: The present invention encompasses engineered nucleases which recognize and cleave a recognition sequence within the int22h-1 sequence of a Factor VIII gene. The present invention also encompasses methods of using such engineered nucleases to make genetically-modified cells, and the use of such cells in a pharmaceutical composition and in methods for treating hemophilia A. Further, the invention encompasses pharmaceutical compositions comprising engineered nuclease proteins, nucleic acids encoding engineered nucleases, or genetically-modified cells of the invention, and the use of such compositions for treating of hemophilia A.

Abstract: The present disclosure provides antibodies, and fragments thereof, having specificity for human B cell maturation antigen, pharmaceutical compositions thereof, and uses thereof. Also provided are chimeric antigen receptors (CARs) comprising such antibodies or antibody fragments, genetically-modified cells comprising such CARs, pharmaceutical compositions comprising such cells, methods for making such cells, and methods of using such cells for the treatment of disorders and diseases, such as cancer.

Abstract: The present invention encompasses engineered nucleases which recognize and cleave a recognition sequence within a Hepatitis B virus (HBV) genome. The engineered meganucleases can exhibit at least one optimized characteristic, such as enhanced specificity and/or efficiency of indel formation, when compared to the first-generation meganuclease HBV 11-12x.26. Further, the invention encompasses pharmaceutical compositions comprising engineered meganuclease proteins, nucleic acids encoding engineered meganucleases, and the use of such compositions for treating HBV infections or hepatocellular carcinoma.

Abstract: The present invention encompasses engineered meganucleases which recognize and cleave a recognition sequence within the human PCSK9 gene. The present invention also encompasses methods for using such engineered meganucleases in a pharmaceutical composition and in methods for treating or reducing the symptoms of cholesterol-related disorders, such as hypercholesterolemia. Further, the invention encompasses pharmaceutical compositions comprising engineered meganuclease proteins, nucleic acids encoding engineered meganucleases, and the use of such compositions for treating cholesterol-related disorders, such as hypercholesterolemia.

Abstract: Disclosed are recombinant meganucleases engineered to recognize and cleave recognition sequences present in a mutant RHO P23H allele. The invention further relates to the use of such recombinant meganucleases in methods for treating retinitis pigmentosa, wherein the mutant RHO P23H allele is preferentially targeted, cleaved, and inactivated.

Abstract: The present invention provides a method of treating a nucleotide repeat expansion disorder comprising delivering a pair of engineered nucleases, or genes encoding engineered nucleases, to the cells of a patient such that the two nucleases excise the nucleotide repeat responsible for the disease permanently from the genome. The invention provides a general method for treating nucleotide repeat expansion disorders and engineered nucleases suitable for practicing the method. The invention further provides vectors and techniques for delivering engineered nucleases to patient cells.

Abstract: The present invention encompasses engineered nucleases which recognize and cleave a recognition sequence within the int22h-1 sequence of a Factor VIII gene. The present invention also encompasses methods of using such engineered nucleases to make genetically-modified cells, and the use of such cells in a pharmaceutical composition and in methods for treating hemophilia A. Further, the invention encompasses pharmaceutical compositions comprising engineered nuclease proteins, nucleic acids encoding engineered nucleases, or genetically-modified cells of the invention, and the use of such compositions for treating of hemophilia A.

Abstract: Disclosed herein are recombinant meganucleases engineered to recognize and cleave a recognition sequence present in the human T cell receptor alpha constant region gene. The present disclosure further relates to the use of such recombinant meganucleases in methods for producing genetically-modified eukaryotic cells.

Abstract: Disclosed are recombinant meganucleases engineered to recognize and cleave recognition sequences present in a mutant RHO P23H allele. The invention further relates to the use of such recombinant meganucleases in methods for treating retinitis pigmentosa, wherein the mutant RHO P23H allele is preferentially targeted, cleaved, and inactivated.

Abstract: The present invention encompasses engineered meganucleases which recognize and cleave a recognition sequence within the human PCSK9 gene. The present invention also encompasses methods for using such engineered meganucleases in a pharmaceutical composition and in methods for treating or reducing the symptoms of cholesterol-related disorders, such as hypercholesterolemia. Further, the invention encompasses pharmaceutical compositions comprising engineered meganuclease proteins, nucleic acids encoding engineered meganucleases, and the use of such compositions for treating cholesterol-related disorders, such as hypercholesterolemia.

Abstract: The present invention encompasses engineered meganucleases which recognize and cleave a recognition sequence within the human PCSK9 gene. The present invention also encompasses methods for using such engineered meganucleases in a pharmaceutical composition and in methods for treating or reducing the symptoms of cholesterol-related disorders, such as hypercholesterolemia. Further, the invention encompasses pharmaceutical compositions comprising engineered meganuclease proteins, nucleic acids encoding engineered meganucleases, and the use of such compositions for treating cholesterol-related disorders, such as hypercholesterolemia.

Abstract: Disclosed herein are recombinant meganucleases engineered to recognize and cleave a recognition sequence present in the human beta-2 microglobulin gene. The disclosure further relates to the use of such recombinant meganucleases in methods for producing genetically-modified eukaryotic cells, and to a population of genetically-modified T cells having reduced cell-surface expression of beta-2 microglobulin.

Abstract: The present invention encompasses engineered nucleases which recognize and cleave a recognition sequence within a Hepatitis B virus (HBV) genome. The engineered meganucleases can exhibit at least one optimized characteristic, such as enhanced specificity and/or efficiency of indel formation, when compared to the first-generation meganuclease HBV 11-12x.26. Further, the invention encompasses pharmaceutical compositions comprising engineered meganuclease proteins, nucleic acids encoding engineered meganucleases, and the use of such compositions for treating HBV infections or hepatocellular carcinoma.

Abstract: Disclosed herein is a genetically-modified cell comprising in its genome a modified human T cell receptor alpha constant region gene, wherein the cell has reduced cell-surface expression of the endogenous T cell receptor. The present disclosure further relates to methods for producing such a genetically-modified cell, and to methods of using such a cell for treating a disease in a subject.

Abstract: The present invention encompasses engineered nucleases which recognize and cleave a recognition sequence within a Hepatitis B virus (HBV) genome. The engineered meganucleases can exhibit at least one optimized characteristic, such as enhanced specificity and/or efficiency of indel formation, when compared to the first-generation meganuclease HBV 11-12x.26. Further, the invention encompasses pharmaceutical compositions comprising engineered meganuclease proteins, nucleic acids encoding engineered meganucleases, and the use of such compositions for treating HBV infections or hepatocellular carcinoma.

Abstract: The present invention provides a method of treating a nucleotide repeat expansion disorder comprising delivering a pair of engineered nucleases, or genes encoding engineered nucleases, to the cells of a patient such that the two nucleases excise the nucleotide repeat responsible for the disease permanently from the genome. The invention provides a general method for treating nucleotide repeat expansion disorders and engineered nucleases suitable for practicing the method. The invention further provides vectors and techniques for delivering engineered nucleases to patient cells.

Abstract: Disclosed are recombinant meganucleases engineered to bind and cleave a recognition sequence present in a mutant RHO P23H allele. The invention further relates to the use of such recombinant meganucleases in a method for treating retinitis pigmentosa, wherein the mutant RHO P23H allele is preferentially targeted, cleaved, and inactivated.