Transporters comprising spaced arginine moieties
First Claim
1. A composition comprising a biologically active compound and a transport moiety, wherein the transport moiety comprises a structure selected from the group consisting of (ZYZ)nZ, (ZY)nZ, (ZYY)nZ and (ZYYY)nZ, wherein each Z is L-arginine or D-arginine, and each Y is independently an amino acid that does not comprise an amidino or guanidino moiety, and wherein n is an integer of from 2 to 10.
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Abstract
The present invention provides compositions and methods for enhancing transport of biologically active compounds across biological membranes and across and into animal epithelial or endothelial tissues. The composition includes a biologically active agent and a transport moiety. The transport moiety includes a structure selected from the group consisting of (ZYZ)nZ, (ZY)nZ, (ZYY)nZ and (ZYYY)nZ. Subunit “Z” is L-arginine or D-arginine, and subunit “Y” is an amino acid that does not comprise an amidino or guanidino moiety. Subscript “n” is an integer ranging from 2 to 10. The method for enhancing transport involves the administration of the aforementioned composition.
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Citations
35 Claims
- 1. A composition comprising a biologically active compound and a transport moiety, wherein the transport moiety comprises a structure selected from the group consisting of (ZYZ)nZ, (ZY)nZ, (ZYY)nZ and (ZYYY)nZ, wherein each Z is L-arginine or D-arginine, and each Y is independently an amino acid that does not comprise an amidino or guanidino moiety, and wherein n is an integer of from 2 to 10.
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30. A method for increasing the transport of a biologically active compound across a biological membrane comprising:
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administering a composition comprising a biologically active compound and a transport moiety, wherein the transport compound comprises a structure selected from the group consisting of (ZYZ)nZ, (ZY)nZ, (ZYY)nZ and (ZYYY)nZ, wherein Z is L-arginine or D-arginine, and wherein Y is an amino acid that does not comprise an amidino or guanidino moiety, and wherein n is an integer ranging from 2 to 10, wherein transport of the biologically active compound across the biological membrane is increased relative to transport of the biologically active compound in the absence of said transport moiety.
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Specification