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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Coronary artery disease and the thrombospondin single nucleotide polymorphisms.

GeneQuest was a high throughput, large-scale analysis of single nucleotide polymorphisms (SNPs) to identify gene associated with familial, premature coronary artery disease and myocardial infarction. The three SNPs showing the highest and most significant associations with disease were all members of the thrombospondin gene family, thrombospondin-1, thrombospondin-2 and thrombospondin-4. These unanticipated associations have kindled efforts to understand how the three SNPs influence the structures and functions of the thrombospondins. The SNP in thrombospondin-1 and thrombospondin-4 reside in their coding regions and result in single amino acid changes: in thrombospondin-1, the predominant asparagine at position 700 is changed to a serine while, in thrombospondin-4, it is a change of an alanine to a proline at position 387. The SNP in thrombospondin-2 is a base change in the 3'-untranslated region of the mRNA. At this early stage of investigation, predictive analyses suggest that the substitutions in thrombospondin-2 and thrombospondin-4 should alter structure, and there is direct evidence to indicate that the thrombospondin-1 SNP alters conformational stability. In addition, profound differences in the function of the thrombospondin-4 SNP variants have been identified with respect to their capacity to support endothelial cell adhesion and proliferation. While substantial additional information is needed to understand if and how the polymorphic forms of the thrombospondins affect coronary artery disease, the data assembled to date suggest marked effects of these SNPs on the structures and functions of the thrombospondins, which are consistent with induction of a proatherogenic and prothrombotic phenotype.[1]

References

  1. Coronary artery disease and the thrombospondin single nucleotide polymorphisms. Stenina, O.I., Byzova, T.V., Adams, J.C., McCarthy, J.J., Topol, E.J., Plow, E.F. Int. J. Biochem. Cell Biol. (2004) [Pubmed]
 
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