Fusion proteins for delivery of GDNF to the CNS
First Claim
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1. A composition comprising a neurotherapeutic peptide comprising an amino acid sequence which is at least 80% identical to the amino acid sequence of mature human GDNF (SEQ ID NO:
- 52), wherein the neurotherapeutic peptide is covalently linked at its amino terminus to the carboxy terminus of the heavy chain or light chain of an antibody that is capable of crossing the blood brain barrier (BBB) by binding on an endogenous BBB receptor.
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Abstract
The invention provides compositions, methods, and kits for increasing transport of GDNF across the blood brain barrier while allowing its activity to remain substantially intact. The GDNF is transported across the blood brain barrier via one or more endogenous receptor-mediated transport systems.
95 Citations
23 Claims
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1. A composition comprising a neurotherapeutic peptide comprising an amino acid sequence which is at least 80% identical to the amino acid sequence of mature human GDNF (SEQ ID NO:
- 52), wherein the neurotherapeutic peptide is covalently linked at its amino terminus to the carboxy terminus of the heavy chain or light chain of an antibody that is capable of crossing the blood brain barrier (BBB) by binding on an endogenous BBB receptor.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A composition for treating a neurological disorder comprising a neurotherapeutic peptide comprising an amino acid sequence which is at least 80% identical to the amino acid sequence of mature human GDNF (SEQ ID NO:
- 52) covalently linked at its amino terminus to the carboxy terminus of the light chain or heavy chain of an immunoglobulin that is capable of crossing the blood brain barrier, wherein the composition is capable of crossing the BBB in an amount that is effective in treating the neurological disorder.
- View Dependent Claims (11)
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12. A method for treating Parkinson'"'"'s disease, a motor neuron disease, spinal cord injury, brain injury, focal brain ischemia, or global brain ischemia in an individual comprising peripherally administering to the individual an effective amount of a composition comprising a neurotherapeutic peptide comprising an amino acid sequence which is at least 80% identical to the amino acid sequence of mature human GDNF (SEQ ID NO:
- 52), wherein the neurotherapeutic peptide is covalently linked at its amino terminus to the carboxy terminus of the heavy chain or light chain of an antibody that is capable of crossing the blood brain barrier (BBB) by binding an endogenous BBB receptor.
- View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for treating drug addiction or alcohol addiction in an individual, comprising administering to the individual an effective amount of a composition comprising a neurotherapeutic peptide comprising an amino acid sequence which is at least 80% identical to the amino acid sequence of mature human GDNF (SEQ ID NO:
- 52), wherein the neurotherapeutic peptide is covalently linked at its amino terminus to the carboxy terminus of the heavy chain or light chain of an antibody that is capable of crossing the blood brain barrier (BBB) by binding an endogenous BBB receptor.
- View Dependent Claims (19, 20, 21, 22, 23)
Specification