[HSV1-derived vectors: a powerful and flexible system for genes transfers]

Area of Science:

• Molecular Biology
• Virology
• Gene Therapy

Context:

• Herpes simplex virus type 1 (HSV1) derived vectors, known as amplicons, are non-integrative and defective.
• Amplicon genomes lack viral genes, ensuring low toxicity to host cells and minimal pathogenicity in vivo.
• These vectors can accommodate large foreign DNA inserts (up to 150 kbp).

Purpose:

• To review the applications of amplicon vectors in gene transfer.
• To highlight the advantages of amplicons as viral vectors.
• To discuss challenges in achieving stable and physiological transgene expression.

Summary:

• Amplicons are highly effective gene transfer vectors derived from HSV1.
• Their non-integrative nature, lack of viral genes, and large DNA capacity make them non-toxic and promising for therapeutic applications.
• Current research focuses on overcoming challenges for stable and controlled transgene expression.

Impact:

• Amplicons represent a significant advancement in viral vector technology for gene therapy.
• Their unique properties offer potential for treating genetic disorders.
• Further research is needed to optimize transgene expression for clinical translation.