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In Vivo CAR-T Development Service with IVT CircRNA Technology

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The Potential of In Vivo Circular RNA-based CAR-T Engineering

As a potential tumor immunotherapy method, in vivo CAR therapy takes advantage of multiple advantages to solve the current traditional methods of preparing CAR-T ex vivo, such as more economical, more convenient production, and less toxicity. Non-viral lipid nanoparticles represent an important approach being explored for in vivo engineering. Circular RNA-based in vivo CAR-T engineering as a novel solution for tumor immunotherapy.

Fig.1 CircRNA-miRNA-mRNA networks in hematological malignancies. (Zhou, et al., 2020)Fig.1 The crosstalk among circRNA, miRNA, and mRNA in hematological malignancies.1

Our In Vivo Circular RNA-based CAR-T Cell Engineering Service

To boost the development of CAR-T therapy, Creative Biolabs has successfully established a cost-effective in vivo circular RNA-based CAR-T engineering service to satisfy the diverse demands of our global customers. Our in vivo circular RNA-based CAR-T engineering service combines novel technology to design circular RNA transcripts that drive protein expression with validated and unique LNP delivery solutions. We provide customized optimized circular RNA-LNPs which offer simplified production, improved stability, and superior yield to empower in vivo CAR-T engineering.

Fig.2 The regulatory roles of circRNAs in immunotherapy. (Fang, Jiang & Li, 2021)Fig.2 The mechanism of circRNAs in immunotherapy.2

What Will You Gain

What Will You Gain

Our Development Process

Required Starting Materials:

  • Target antigen and CAR construct sequences or design specifications.
  • Relevant cell type or animal model information for preclinical studies.
  • Desired expression duration, dosing strategies, or therapeutic endpoints.

Workflow of In Vivo Circular RNA-based CAR-T Cell Engineering. (Creative Biolabs Original)Workflow of In Vivo Circular RNA-based CAR-T Cell Engineering. (Creative Biolabs Original)

The final deliverables include a detailed experimental design report with circRNA sequence and LNP formulation, in vivo expression and functional validation data, and a comprehensive project summary with development recommendations.

Work With Creative Biolabs

In the field of in vivo CAR-T engineering, we are committed to developing new approaches to greatly enhance its effectiveness in cancer therapy. At the same time, we also provide the following related services:


Benefits for Your Program

  • Comprehensive in vivo CAR-T cell engineering, from design and optimization of CAR constructs to functional validation in preclinical models.
  • Advanced IVT circRNA and LNP delivery platforms for efficient and safe in vivo CAR expression.
  • Customizable CAR design, including target specificity, co-stimulatory domains, and optimized expression kinetics.
  • Scalable service workflow, supporting multiple therapeutic targets and research models.
  • Stringent quality control system, including analytical validation, functional assessment, and regulatory-compliant documentation.

Frequently Asked Questions

How does IVT circRNA compare to traditional viral CAR-T methods?

IVT circRNA enables transient, non-integrating CAR expression in vivo, reducing insertional mutagenesis risks and simplifying manufacturing, while maintaining high therapeutic efficacy.

Can this platform be used for solid tumor targets?

Yes, LNP formulation can be tailored for tissue-specific delivery and CAR expression, supporting diverse tumor models, though optimization may be required per application.

What safety measures are included in the service?

All circRNA sequences undergo design optimization and in vivo validation, with comprehensive monitoring of CAR expression, biodistribution, and immunological impact.

How long does CAR expression last in vivo?

Expression typically persists long enough for therapeutic activity, with duration depending on circRNA design, dosing, and target cell turnover. Repeat dosing is possible if needed.

How to Contact Us

Creative Biolabs' In Vivo CAR-T Development with IVT CircRNA Technology offers a next-generation platform to engineer functional CAR-T cells in vivo efficiently and safely. With expertise in circRNA design, LNP delivery, and preclinical validation, clients can accelerate therapeutic development, reduce costs, and enhance CAR-T performance. Reach out for detailed information and to discuss your project: Contact Our Team for More Information and to Discuss Your Project. Our experts are ready to provide tailored solutions and guidance for your in vivo CAR-T development needs.

References

  1. Zhou, Xiangxiang, et al. "The functions and clinical significance of circRNAs in hematological malignancies." Journal of hematology & oncology 13.1 (2020): 138.
  2. Fang, Zhixiao, Chunjie Jiang, and Shengli Li. "The potential regulatory roles of circular RNAs in tumor immunology and immunotherapy." Frontiers in Immunology 11 (2021): 617583.
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