Methods and compositions for increasing arylsulfatase A activity in the CNS
First Claim
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1. A fusion antibody comprising:
- (a) a fusion protein comprising the amino acid sequences of an immunoglobulin heavy chain and an arylsulfatase A monomer (ASA), and (b) an immunoglobulin light chain;
wherein the fusion antibody crosses the blood brain barrier (BBB).
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Abstract
Provided herein are methods and compositions for treating a subject suffering from a deficiency in arylsulfatase A in the CNS. The methods include systemic administration of a bifunctional fusion antibody comprising an antibody to a human insulin receptor and an arylsulfatase A.
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26 Claims
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1. A fusion antibody comprising:
- (a) a fusion protein comprising the amino acid sequences of an immunoglobulin heavy chain and an arylsulfatase A monomer (ASA), and (b) an immunoglobulin light chain;
wherein the fusion antibody crosses the blood brain barrier (BBB). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
- (a) a fusion protein comprising the amino acid sequences of an immunoglobulin heavy chain and an arylsulfatase A monomer (ASA), and (b) an immunoglobulin light chain;
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26. A fusion antibody comprising:
- (a) a fusion protein comprising the amino acid sequences of an immunoglobulin heavy chain and an arylsulfatase A monomer, and (b) an immunoglobulin light chain;
wherein the fusion antibody crosses the blood brain barrier (BBB), wherein the amino acid sequence of the arylsulfatase A is covalently linked to the carboxy terminus of the amino acid sequence of the immunoglobulin heavy chain.
- (a) a fusion protein comprising the amino acid sequences of an immunoglobulin heavy chain and an arylsulfatase A monomer, and (b) an immunoglobulin light chain;
Specification