Disrupting Mechanisms that Regulate Genomic Repeat Elements to Combat Cancer and Drug Resistance

Area of Science:

• Genomics and Cancer Biology
• Evolutionary Medicine
• Retrovirology

Background:

• Cancer drug resistance significantly limits treatment efficacy and patient outcomes.
• Traditional research has focused on genetic mutations under drug pressure as the primary cause of resistance.
• Emerging evidence points to the role of endogenous viral elements in cancer progression and therapeutic challenges.

Approach:

• Reviewing recent findings on the interplay between endogenous viral elements and cancer evolution.
• Examining the role of genomic repeat elements, including retrotransposons, in tumor development and drug resistance.
• Synthesizing current knowledge on how these elements might be targeted for novel cancer therapies.

Key Points:

• The human genome contains ancient endogenous viral elements (like retrotransposons) that can influence cancer.
• Dysregulation of these repetitive genomic elements is implicated in tumor evolution and resistance to therapies.
• Understanding the balance between these viral elements and host restriction factors offers new therapeutic avenues.

Conclusions:

• Exploiting the role of retrotransposons and other repetitive elements presents a novel strategy for cancer therapy.
• Further research into the evolutionary dynamics of endogenous viral elements in cancer is crucial for developing effective treatments.
• This review highlights the potential of targeting genomic elements for overcoming drug resistance.