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Analysis of the Impact of Known SPINK1 Missense Variants on Pre-mRNA Splicing and/or mRNA Stability in a Full-Length Gene Assay.

Hao WuArnaud BoullingDavid N CooperZhao-Shen LiZhuan LiaoClaude FérecJian-Min Chen
Published in: Genes (2017)
It is increasingly appreciated that missense variants may not only alter protein structure and function but may also influence pre-mRNA splicing and/or mRNA stability. Here we explore this issue in the context of currently known SPINK1 missense variants using a full-length gene assay. We demonstrated that 4 (17%) out of 24 variants tested significantly reduced pre-mRNA splicing and/or stability as compared with the wild-type. However, since the strongest effect observed was a 23% reduction from normal, the contribution of SPINK1 missense variants to the clinical phenotype through an impact on mRNA processing alone may be relatively minor compared with their effects in relation to protein structure/function.
Keyphrases
  • copy number
  • binding protein
  • intellectual disability
  • genome wide
  • high throughput
  • small molecule
  • genome wide identification