Identification of a major GpVI-binding locus in human type III collagen.
Identification of a major GpVI-binding locus in human type III collagen.
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DOI:
10.1182/blood-2007-08-108472
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发表时间:
2008-05-15
期刊:
影响因子:
20.3
通讯作者:
Farndale RW
中科院分区:
文献类型:
--
作者:
Jarvis GE;Raynal N;Langford JP;Onley DJ;Andrews A;Smethurst PA;Farndale RW
We have analyzed the adhesion of human and murine platelets, and of recombinant human and murine GpVI ectodomains, to synthetic triple-helical collagen-like peptides. These included 57 peptides derived from the sequence of human type III collagen and 9 peptides derived from the cyanogen bromide fragment of bovine type III collagen, α1(III)CB4. We have identified several peptides that interact with GpVI, in particular a peptide designated III-30 with the sequence GAOGLRGGAGPOGPEGGKGAAGPOGPO. Both human and murine platelets bound to peptide III-30 in a GpVI-dependent manner. III-30 also supported binding of recombinant GpVI ectodomains. Cross-linked III-30 induced aggregation of human and murine platelets, although with a lower potency than collagen-related peptide. Modifications of the peptide sequence indicated that the hydroxyproline residues play a significant role in supporting its GpVI reactivity. However, many peptides containing OGP/GPO motifs did not support adhesion to GpVI. These data indicate that the ability of a triple-helical peptide to bind GpVI is not solely determined by the presence or spatial arrangement of these OGP/GPO motifs within the peptides.
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影响因子:
7.3
作者:
Jarvis, GE;Atkinson, BT;Watson, SP
通讯作者:
Watson, SP
影响因子:
4.1
作者:
MORTON, LF;HARGREAVES, PG;BARNES, MJ
通讯作者:
BARNES, MJ
影响因子:
4.8
作者:
Raynal, N;Hamaia, SW;Farndale, RW
通讯作者:
Farndale, RW
影响因子:
7.5
作者:
BARNES, MJ;BAILEY, AJ;MACINTYRE, DE
通讯作者:
MACINTYRE, DE
影响因子:
20.3
作者:
Lisman, Ton;Raynal, Nicolas;Farndale, Richard W.
通讯作者:
Farndale, Richard W.