Abstract:
:Human platelets have unique and reproducible mRNA profiles, with evidence for distinct profiles in haematopoietic stem cell disorders associated with thrombocytosis. Platelet transcript profiling is traditionally studied by microarray analysis, quantitative reverse transcription-PCR or serial analysis of gene expression, techniques that are labor- and technically-intensive. We have now applied a novel multiplex-based platform for quantitative transcript profiling of human platelets. Simultaneous quantification of 17 platelet transcripts was assayed using intact platelet-rich plasma or gel-filtered platelets lysed in vitro. Accurate and reproducible profiles could be obtained from as few as 5 x 10(7) platelets (a platelet mass corresponding to approximately 100 microl of whole blood), even for the low-abundant platelet transcripts. Correlation coefficients of this 17-member gene set to platelet Affymetrix microarrays were excellent (r(2) = 0.949, p < 1 x 10(-10)), with no correlation to in kind-derived leukocyte profiles, highlighting the cell-specificity of the platform. These data demonstrate that transcript multiplexing using fluorescent microspheres can be adapted for rapid molecular profiling using intact platelets (bypassing the need for RNA isolation methods), with potential applicability irrespective of baseline platelet counts.
journal_name
Thromb Haemostjournal_title
Thrombosis and haemostasisauthors
Gnatenko DV,Zhu W,Bahou WFsubject
Has Abstractpub_date
2008-11-01 00:00:00pages
929-36issue
5eissn
0340-6245issn
2567-689Xpii
08110929journal_volume
100pub_type
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journal_title:Thrombosis and haemostasis
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journal_title:Thrombosis and haemostasis
pub_type: 杂志文章
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journal_title:Thrombosis and haemostasis
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journal_title:Thrombosis and haemostasis
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journal_title:Thrombosis and haemostasis
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pub_type: 杂志文章,评审
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journal_title:Thrombosis and haemostasis
pub_type: 杂志文章
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journal_title:Thrombosis and haemostasis
pub_type: 杂志文章
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pub_type: 杂志文章,meta分析
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