Plasma glycocalicin levels are not elevated in patients with a history of transient ischaemic event and are normal in aspirinated normal volunteers.
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| Abstract |
Glycocalicin (GC) is the soluble portion of platelet membrane protein GP1b, and may be cleaved from the platelet surface during platelet activation. Previous study has indicated that plasma glycocalicin/platelet (GC/plt) levels are elevated in patients presenting with acute stroke. The present study was undertaken to determine the GC/plt levels in patients being treated for transient ischaemic episodes, to assess whether the elevated GC/plt level in acute stroke is due to a detectable, constitutive premorbid state of platelet activation. In sixteen consecutive patients attending a vascular surgery clinic, GC levels were measured on a citrated plasma sample, and corrected for circulating platelet count. Since 15 of 16 patients were taking aspirin when seen at clinic, a control study was undertaken to assess the effect of aspirin on sequential plasma GC/plt levels measured over 10 days--5 pre and post daily aspirin for 5 days, 4 acting as non-aspirinated controls. Plasma GC/plt levels in normal plasma were 21.6 +/- 8.0 fg; mean +/- SD. In the 16 patients the GC/plt levels were 13.1 fg/plt; SD 5.4, range 2.9-24.3. All platelet counts were in the normal range in all patients involved. While a masking effect due to aspirin cannot be completely ruled out, these studies indicate that plasma GC/plt level is not useful as a predictor of acute stroke in the premorbid population.
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| Authors | P J Huggan, A A Milne, H Bessos, A Atkinson, W G Murphy |
| Journal | Thrombosis research (Thromb Res) Vol. 81 Issue 3 Pg. 339-43 (Feb 01 1996) ISSN: 0049-3848 [Print] United States |
| PMID | 8928091 (Publication Type: Journal Article) |
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