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In vivo CAR-T Insights Series (6) — Antibody Discovery: Why use mRNA for immunity?


 

Antibody discovery is evolving rapidly — and mRNA immunization is reshaping how we generate high-affinity antibodies for next-generation therapies, including Ab-LNP–based in vivo CAR-T platforms.

🔹 Why mRNA over Protein or DNA Immunization?

Compared with protein immunization: mRNA enables in vivo antigen production that better mimics natural conformation, inducing a broader and stronger immune response.

Compared with DNA immunization: mRNA delivers faster antigen expression without the risk of genomic integration.

🔹 Immune Response: Speed and Diversity

mRNA triggers rapid and transient antigen expression, leading to an early and robust antibody response. Its flexibility allows for multi-antigen or variant designs, enabling discovery of diverse antibody repertoires — critical for targeting complex diseases.

🔹 Applications in Antibody Discovery

mRNA immunization has been successfully applied in generating antibodies against challenging membrane proteins, GPCRs, and ion channels — areas where traditional protein-based immunization often falls short.

⚡ Key Insight

mRNA bridges upstream antibody discovery and downstream Ab-LNP development, creating a seamless workflow from antigen design to targeted delivery — accelerating the entire innovation cycle of in vivo CAR-T and beyond.

Levostar’s off-the-shelf mRNA products

Levostar Biotech offers over 150+ catalog mRNA products, including solutions for various cutting-edgeresearch areas. Our catalog features mRNA products for 60+ antibody targets, 20+ CAR targets,

20+ADC targets, 30+ cytokine & growth factor targets and 10+ iPSC reprogramming providing comprehensive support for advancing antibody discovery, drug development, and more.

Product Advantages

  • Efficiency – Optimize mRNA sequences and produce via monoPlasmid plasmid to ensure stability.
  • Speed – Rapid production cycles significantly shorten your development timelines.
  • Versatility – Supports nearly all membrane proteins, including GPCRs, ion channels, and transporters.
  • Innovation – LNP encapsulation ensures efficient delivery,stability, and robust immune responses.

 Let’s accelerate the future of cell therapy — directly inside the body.