Genome-wide analysis of c-MYC-regulated mRNAs and miRNAs, and c-MYC DNA binding by next-generation sequencing

Area of Science:

• Oncology
• Molecular Biology
• Genomics

Background:

• The c-MYC oncogene is frequently activated in human cancers, playing a critical role in tumor initiation and progression.
• Understanding c-MYC's genome-wide targets is crucial for deciphering its role in various cancer types.
• The c-MYC transcription factor regulates gene expression, including mRNA and miRNA, and binds to specific DNA elements.

Purpose of the Study:

• To provide protocols for analyzing c-MYC-mediated gene regulation using next-generation sequencing (NGS).
• To demonstrate the application of NGS for genome-wide characterization of c-MYC targets and functions.
• To facilitate accelerated and comprehensive analysis of c-MYC's role in cancer.

Main Methods:

• Utilized next-generation sequencing (NGS) for genome-wide analysis of mRNA and miRNA expression.
• Employed NGS to determine c-MYC DNA binding patterns across the genome.
• Described protocols for integrated analysis of c-MYC-regulated transcription and chromatin modifications.
• Included methods for validation of identified c-MYC targets.

Main Results:

• Established NGS-based protocols for analyzing c-MYC-regulated mRNA and miRNA expression.
• Generated genome-wide maps of c-MYC DNA binding.
• Demonstrated the ability of NGS to provide integrated insights into c-MYC-mediated gene regulation.
• Validated specific c-MYC targets identified through NGS.

Conclusions:

• NGS offers a powerful and high-resolution approach for comprehensive c-MYC target analysis.
• These integrated NGS-based methods accelerate the understanding of c-MYC function in diverse cellular contexts.
• Illuminating c-MYC's role is critical for advancing cancer research and therapeutic strategies.