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CellRapeutics™ Anti-HCMV CAR Cell Therapy Development Service

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Background Services Required Starting Materials Workflow HCMV Antigen Types Advantages FAQs Contact Us

Are you currently facing long development cycles for cell therapies, difficulty targeting persistent viral infections, challenges in achieving durable anti-viral responses in immunocompromised patients, or complex clinical trials for advanced therapies? Our CellRapeutics™ anti-HCMV CAR cell therapy development service helps you accelerate cell therapy development, obtain highly specific anti-HCMV CAR-T cells, and achieve robust and durable anti-viral responses through advanced CAR engineering, high-throughput screening platforms, and innovative cell manufacturing techniques.

The Urgency of Anti-HCMV CAR Cell Therapy Development

Human Cytomegalovirus (HCMV) infection remains a significant cause of morbidity and mortality, particularly in immunocompromised patients following organ or hematopoietic stem cell transplantation. Despite existing antiviral therapies, limitations such as drug toxicity, resistance development, and the persistence of latent virus highlight a critical unmet medical need. Current gene therapy advancements, especially in chimeric antigen receptor (CAR) T-cell technology, offer a transformative approach. Leveraging CAR T-cells to specifically target HCMV antigens, such as pp65, holds immense promise to provide highly potent, specific, and durable antiviral immunity, significantly improving patient outcomes where conventional treatments fall short.

Fig.1 HCMV infection-associated immune response. (OA Literature)Fig.1 Immune response caused by HCMV infection.1

CellRapeutics™ Anti-HCMV CAR Cell Therapy Development Service at Creative Biolabs

Creative Biolabs provides comprehensive solutions for the development of highly effective anti-HCMV CAR cell therapies, tailored to your specific project needs. We deliver robust preclinical data and cell products designed to accelerate your therapeutic pipeline.

Required Starting Materials

  • Target Antigen Information: Specific sequences or details of the HCMV antigen(s) to be targeted (e.g., pp65, UL40, IE1).
  • Cell Source Specifications: Preferred T-cell source (e.g., peripheral blood mononuclear cells from healthy donors or specific patient populations).
  • Vector Backbone Preferences: Any pre-existing preferences for viral vector types (e.g., lentiviral, retroviral) or specific backbone components.

One-stop Customized Workflow

Step 1

Target Identification & Validation

We begin by performing in-depth analysis and validation of selected HCMV target antigens to ensure optimal specificity and accessibility for CAR binding.

Step 2

CAR Design & Construction

Our experts design and construct custom CAR constructs, optimizing signaling domains (e.g., CD3ζ, 4-1BB, CD28) and scFv linkers for enhanced specificity, affinity, and T-cell activation. This involves gene synthesis and cloning into appropriate viral vectors.

Step 3

Viral Vector Production & Characterization

High-titer, clinical-grade viral vectors (e.g., lentivirus, retrovirus) are produced and rigorously characterized for purity, potency, and safety.

Step 4

T Cell Isolation, Transduction & Expansion

Primary human T cells are isolated, activated, transduced with the CAR-expressing viral vectors, and expanded to therapeutic numbers under optimized conditions, ensuring high viability and transduction efficiency

Step 5

In Vitro Efficacy & Safety Evaluation

Comprehensive in vitro assays are performed to assess CAR-T cell function, including antigen-specific cytotoxicity, cytokine secretion, proliferation, and persistence. Off-target toxicity is thoroughly evaluated.

Step 6

In Vivo Preclinical Efficacy Assessment (Optional)

For advanced projects, we conduct in vivo studies using relevant animal models to evaluate the therapeutic efficacy, persistence, and safety of the CAR-T cells in a living system.

HCMV Antigen Types

Effective CAR T-cell therapy against HCMV relies on the precise identification and targeting of viral antigens expressed on infected cells. Key HCMV antigens that serve as promising targets for CAR development include:

  • pp65 (UL83): This tegument protein is abundantly expressed during both early and late stages of HCMV infection and is a major target of the host's cytotoxic T lymphocyte (CTL) response. Its surface presentation on infected cells makes it an attractive and widely studied target for CAR T-cell approaches.
  • IE1 (UL123): As an immediate-early protein, IE1 is one of the first viral proteins expressed upon infection, making it a valuable target for early intervention.
  • UL40: Another tegument protein, UL40 is also presented on the cell surface and is recognized by T cells, contributing to the overall anti-viral immune response.
  • gB (UL55), gH (UL75), gL (UL115): These are envelope glycoproteins crucial for viral entry and are also expressed on the surface of infected cells, offering additional potential targets for CAR T-cells.

Attractive Advantages

Enhanced CAR Construct Specificity and Potency

Benefit from meticulously designed CAR constructs optimized for precise targeting of HCMV antigens.

Accelerated Preclinical Timelines

Streamlined workflows and expert methodologies help significantly reduce your development schedule.


Increased Likelihood of Clinical Success

Robust preclinical data and optimized therapeutic candidates improve prospects in clinical trials.

Durable Antiviral Responses

Achieve sustained and effective anti-viral activity, especially crucial for immunocompromised patients.

Comprehensive, Regulatory-Compliant Data Packages

Receive meticulously prepared documentation to support your regulatory submissions.

FAQs

Q1: Can your service accommodate different T-cell sources or patient-specific requirements?

A1: Absolutely! Our service is highly flexible. We can work with various T-cell sources, including peripheral blood mononuclear cells (PBMCs) from healthy donors or specific patient populations, based on your project's needs. We can also tailor aspects of the development to fit unique patient-specific considerations. Let's discuss your particular requirements.

Q2: What is the typical turnaround time for an anti-HCMV CAR T-cell development project?

A2: The timeframe can vary depending on the scope and complexity of your project, typically ranging from 12 to 24 weeks for comprehensive preclinical development. We strive to deliver efficient and timely results without compromising quality. For a more precise estimate tailored to your project, please reach out for a detailed consultation.

Related Services

To further support your research and development in cell and gene therapy, Creative Biolabs offers a series of complementary services:

Work with Creative Biolabs

Creative Biolabs is a global leader in cell and gene therapy development, offering an unparalleled commitment to innovation and client success. Our CellRapeutics™ anti-HCMV CAR cell therapy development service leverages decades of expertise and state-of-the-art platforms to deliver robust, high-quality solutions. We welcome global clients to partner with us to overcome complex challenges in CAR-T engineering and accelerate your journey from concept to therapeutic reality.

Reference

  1. Li, Xuejie et al. "Prospects of Cytomegalovirus-Specific T-Cell Receptors in Clinical Diagnosis and Therapy." Viruses vol. 15,6 1334. 7 Jun. 2023, doi:10.3390/v15061334. Distributed under Open Access License CC BY 4.0, without modification.
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