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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Krutzsch, H. Fenton, J. W. Mckeown, L. P. Gralnick, H. R. Williams, S. Hansmann, K. |
| Description | Author Affiliation: Gralnick HR ( Hematology Service, National Institutes of Health, Bethesda, MD 20892.); |
| Abstract | alpha-Thrombin binding to and activation of platelets are of major importance in the initiation of physiologic thrombi and in the genesis of arterial thrombus formation. We have studied the site(s) and affinity of thrombin binding to human platelets. Our studies of the peptide inhibition of thrombin binding indicate that the glycoprotein Ib alpha binding site is of high affinity, Kd approximately 10(-10) M, while the seven-transmembrane-domain site is a moderate-affinity thrombin binding site, Kd approximately 10(-8) M. Further studies to modulate the high- or moderate-affinity thrombin binding can be directed to a specific class of sites. This would allow partial or total inhibition of specific thrombin-platelet interaction(s) in different clinical settings. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 14 |
| Volume Number | 91 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1994-08-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Blood Platelets Physiology Peptide Fragments Pharmacology Platelet Aggregation Drug Effects Platelet Membrane Glycoproteins Chemistry Metabolism Thrombin Amino Acid Sequence Binding Sites Kinetics Molecular Sequence Data Chemical Synthesis Peptide Mapping Peptides Structure-Activity Relationship Wasp Venoms Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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