Peptide-Based Vectors: A Biomolecular Engineering Strategy for Gene Delivery

Area of Science:

• Biomedical Engineering
• Molecular Biology
• Gene Therapy

Background:

• Gene therapy has advanced cancer treatment and genetic disease management, with notable FDA-approved treatments like Luxturna and Zolgensma.
• A significant hurdle in gene therapy is the safe and effective delivery of nucleic acids to target sites.
• Peptides present a promising solution for improving nucleic acid delivery due to their adaptable interactions.

Purpose of the Study:

• To explore the potential of peptides in enhancing gene therapy delivery.
• To highlight peptide strategies for targeting cancer-specific signatures and subcellular organelles.
• To discuss emerging methods for improving peptide stability and bioavailability.

Main Methods:

• Review of existing literature on peptide-assisted gene delivery.
• Analysis of cell-penetrating peptides and intracellular targeting peptides.
• Examination of strategies for enhancing peptide stability and bioavailability.

Main Results:

• Peptides can be engineered to facilitate targeted gene delivery to cancer cells and specific organelles.
• Cell-penetrating and intracellular targeting peptides show promise for improving intracellular nucleic acid delivery.
• Emerging strategies are being developed to enhance peptide stability and bioavailability for clinical use.

Conclusions:

• Peptide-based strategies offer a versatile approach to overcome challenges in gene therapy delivery.
• Targeted delivery using peptides can improve the efficacy of gene therapies for cancer and genetic disorders.
• Further research into peptide stability and bioavailability is crucial for the long-term implementation of these advanced therapies.