Abstract: Therapeutic peptides of the following sequence are disclosed: Xaa1-Xaa2-Xaa3-Xaa4-Xaa5, and optionally further comprising Xaa6, wherein Xaa represents an amino acid; Xaa3 is proline; and subscripts represent the positions of each amino acid in the peptide sequence starting from the amino terminus of said peptide extending to the C-terminus. A therapeutic peptide optionally includes a linker that cyclizes the peptide. Also described are methods of treating a neurodegenerative disorder and/or injury in a human subject in need of such treatment by administering to the subject a therapeutically effective amount of a therapeutic peptide as disclosed herein.

Abstract: Therapeutic peptides of the following sequence are disclosed: Xaa1-Xaa2-Xaa3-Xaa4-Xaa5, and optionally further comprising Xaa6, wherein Xaa represents an amino acid; Xaa3 is proline; and subscripts represent the positions of each amino acid in the peptide sequence starting from the amino terminus of said peptide extending to the C-terminus. A therapeutic peptide optionally includes a linker that cyclizes the peptide. Also described are methods of treating a neurodegenerative disorder and/or injury in a human subject in need of such treatment by administering to the subject a therapeutically effective amount of a therapeutic peptide as disclosed herein.

Abstract: Therapeutic peptides of the following sequence are disclosed: Xaa1-Xaa2-Xaa3-Xaa4-Xaa5, and optionally further comprising Xaa6, wherein Xaa represents an amino acid; Xaa3 is proline; and subscripts represent the positions of each amino acid in the peptide sequence starting from the amino terminus of said peptide extending to the C-terminus. A therapeutic peptide optionally includes a linker that cyclizes the peptide. Also described are methods of treating a neurodegenerative disorder and/or injury in a human subject in need of such treatment by administering to the subject a therapeutically effective amount of a therapeutic peptide as disclosed herein.