CNVs of noncoding cis-regulatory elements in human disease.

Area of Science:

• Genomics
• Human Genetics
• Molecular Biology

Background:

• Structural aberrations like genomic rearrangements and copy-number variations (CNVs) are key contributors to human phenotypic variation and disease.
• While pathogenic effects of structural aberrations in coding regions are established, noncoding variants are gaining attention for their disease association.

Purpose of the Study:

• To review recent advances in identifying genomic rearrangements and CNVs in noncoding genomic regions.
• To explore the consequences of these noncoding structural variations on human disease pathogenesis.

Main Methods:

• Review of current literature on genomic rearrangements and CNVs in noncoding DNA.
• Analysis of disease phenotypes associated with regulatory noncoding variants.
• Integration of findings with ENCODE project data for a broader understanding of gene regulation.

Main Results:

• Noncoding variants, particularly those affecting regulatory elements, can lead to striking and tissue-specific phenotypes.
• Genomic rearrangements and CNVs in noncoding regions are implicated in various human diseases.
• The frequency of these noncoding changes is expected to be higher in complex developmental disorders.

Conclusions:

• Noncoding structural variations represent a significant, yet underappreciated, source of human disease.
• Further research integrating genomic data, like ENCODE, will enhance understanding of gene regulation and disease mechanisms.
• Identifying noncoding variants is crucial for a comprehensive view of human health and disease.