Leveraging chicken embryos for studying human enhancers.

Area of Science:

• Genetics
• Developmental Biology
• Genomics

Background:

• Gene regulatory networks control cellular functions and cell identity.
• Transcriptional enhancers, located in the non-coding genome, regulate gene expression.
• Pathogenic variants in enhancers can lead to human diseases, posing a challenge for correlation with aberrant activity.

Purpose of the Study:

• To explore the advantages of using chicken embryos for in vivo validation of human enhancer activity.
• To review advancements in using chicken embryos to study enhancer function.
• To discuss the implications for understanding human diseases linked to enhancer variants.

Main Methods:

• Utilizing epigenome data to identify putative tissue-specific enhancers.
• Employing chicken embryos as an in vivo model for enhancer activity assessment.
• Leveraging the parallels between early chick and human embryogenesis.

Main Results:

• Chicken embryos offer an accessible and effective in vivo system for studying human enhancer sequences.
• Recent advancements facilitate the elucidation of enhancer activity in a developmental context.
• This model aids in validating predicted enhancers from epigenome data.

Conclusions:

• Chicken embryos are a valuable model for in vivo validation of human enhancer function.
• Understanding enhancer activity in embryogenesis is crucial for disease gene discovery.
• This research highlights the potential of avian models in human disease research.