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CYSTINE KNOT PEPTIDES BINDING TO ALPHA IIb BETA 3 INTEGRINS AND METHODS OF USE
CYSTINE KNOT PEPTIDES BINDING TO ALPHA IIb BETA 3 INTEGRINS AND METHODS OF USE
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机译:与αIIbβ3整合素结合的半胱氨酸结肽及其使用方法
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摘要
Disclosed are peptides having a cystine knot structural motif and comprising a sequence engineered for specificity against αIIbβ3 integrin, found on platelets, and a method of using the same in anti-thrombotic therapies. The present peptides utilize a cystine knot scaffold derived from modified agouti-related protein or agatoxin, An alternate library screening strategy was used to isolate variants of peptides that selectively bound to αIIbβ3 integrin or to both αIIbβ3 and αVβ3 integrins. Unique consensus sequences were identified within the identified peptides suggesting alternative molecular recognition events that dictate different integrin binding specificities. In addition, the engineered peptides prevented human platelet aggregation in a plasma-based assay and showed high binding affinity for αIIbβ3 integrin.
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