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Screening of Kozak-motif-located SNPs and analysis of their association with human diseases

The Kozak motif, which is located near the translational start codon, often regulates the protein translation. Moreover, it is believed that the conserved positions −3 and +4 contribute the most. Since changes that occur in this motif have a great impact on protein yield and in some cases are associ...

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Bibliographic Details
Published in:Biochemical and biophysical research communications 2010-01, Vol.392 (1), p.89-94
Main Authors: Xu, Heng, Wang, Ping, You, Jin, Zheng, Yufang, Fu, Yujie, Tang, Quan, Zhou, Li, Wei, Zejun, Lin, Bin, Shu, Yang, Zhu, Yufei, Hu, Landian, Kong, Xiangyin
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Language:English
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Summary:The Kozak motif, which is located near the translational start codon, often regulates the protein translation. Moreover, it is believed that the conserved positions −3 and +4 contribute the most. Since changes that occur in this motif have a great impact on protein yield and in some cases are associated with disease, we screened the human SNP database for all Kozak-motif-located SNPs (kSNPs) and focused on the strong-changed kSNPs (sckSNPs). Many intron-located and synonymous SNPs are reported to be associated with disease, though the mechanisms underlying these associations are poorly understood. Here, we performed haplotype analysis on sckSNP-containing genes and found that there are some sckSNPs that exist in the same haplotype blocks of reported intron-located and synonymous disease-associated SNPs, indicating that those kSNPs could be a true risk factor for disease-association by affecting the efficiency of protein expression. Our findings provide a candidate explanation for how diseases are associated with intron-located and synonymous SNPs .
ISSN:0006-291X
1090-2104
DOI:10.1016/j.bbrc.2010.01.002