Searching For Functional Genetic Variants In Non-Coding Dna

CLINICAL AND EXPERIMENTAL PHARMACOLOGY AND PHYSIOLOGY(2008)

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Abstract
1. The search for DNA sequence variants for complex human polygenic conditions has been a strong focus of recent genetic research. While gene loci have been identified, few variants in the coding sequences of these genes have been found, suggesting that non-coding sequence variation may underlie many complex conditions.2. Non-coding DNA harbours regulatory elements capable of making changes to gene expression. However, regulatory DNA sequences are currently difficult to recognize and their function is poorly understood, complicating the task of assigning potential functional significance to non-coding variation.3. Comparative genomics, the study of evolutionary DNA conservation, has enabled the emergent field of non-coding DNA identification in human disease analysis.4. This brief review will focus on the potential of a relatively high throughput technique based on comparative genomics, that may aid in the identification of functionally important non-coding sequence variation in complex diseases.
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Key words
comparative genomics, enhancer screening, non-coding DNA
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