Immunology
Enhancing T Cell Immunotherapy with CRISPR
CRISPR-Powered T Cell Immunotherapy
From Gene Editing to Functional Reprogramming of Immune Responses
In recent years, immunotherapy has emerged as a transformative approach in cancer treatment, with T cell–based strategies gaining particular attention. As key effectors of the adaptive immune system, T cells can recognize tumor-associated antigens and mediate cytotoxic responses, enabling precise elimination of abnormal cells. This intrinsic capability forms the foundation of T cell–based therapies.
However, in the complex tumor environment, T cell function is often significantly constrained:
· Immunosuppressive signals within the tumor microenvironment, such as immune checkpoint activation (e.g., PD-1/PD-L1), inhibit T cell activation and cytotoxicity
These factors collectively limit the therapeutic efficacy of native T cells.
To overcome these challenges, T cell engineering has become a key strategy to reshape immune function. With the advancement of CRISPR gene editing, T cell engineering has entered a more precise and programmable era.
Compared with conventional approaches, CRISPR enables targeted manipulation at endogenous genomic loci, offering enhanced controllability and flexibility for systematic T cell reprogramming. For example, multiplex editing strategies can simultaneously enhance antigen recognition, persistence, and resistance to immunosuppression—shifting from simple functional enhancement to comprehensive functional reprogramming.
Based on diverse gene editing strategies, EDITGENE provides gene knockout and knock-in services, along with robust and reliable cell models to support immune function research and cell engineering applications.
Explore Cell Models 
Request Project DesignCRISPR-Based T Cell Editing
From Gene Disruption to Precision Reprogramming
Gene editing is the core technology enabling functional modulation in T cell engineering. CRISPR-based approaches include gene knockout, knock-in, and multiplex editing strategies tailored to different research and application needs.
Gene Knockout (KO):
Gene editing is the core technology enabling functional modulation in T cell engineering. CRISPR-based approaches include gene knockout, knock-in, and multiplex editing strategies tailored to different research and application needs.
Gene Knock-In (KI):
Site-specific insertion of functional elements (e.g., CAR constructs or regulatory sequences) expands T cell capabilities, enabling new antigen recognition or regulatory features. Compared with random integration, CRISPR-mediated targeted knock-in significantly improves expression stability and consistency.
Multiplex Editing:
Simultaneous modification of multiple genes enables combinatorial optimization—enhancing cytotoxicity, persistence, and resistance to immunosuppression within a single cell.
With over a decade of gene editing experience, EDITGENE has established four knock-in platforms—HES-KI, CRISPaint, Bingo™, and CRISPR/HDR—to meet diverse KI needs with high efficiency and precision.
Applications
· Identify key regulators by analyzing functional impacts of immune-related gene variants
· Construct precise knock-in models to study mutation or functional element effects
· Compare different gene modification strategies on T cell functions (cytotoxicity, persistence)
· Validate critical nodes in immune regulatory pathways
Services & Support
· Targeted knock-in (KI) model construction across multiple immune-related genes
· Custom solutions for precise engineering at endogenous loci
Gene Knock-In Custom Service
HES-KI Technology PlatformKO Cell Model in Immunology Research
From Baseline Activity to Enhanced Cytotoxicity and Persistence
Understanding how key genes regulate T cell function is essential for precise immune intervention.
CRISPR-mediated gene knockout provides a direct and efficient approach to dissect immune regulatory mechanisms by removing gene function at the genomic level. This enables systematic evaluation of gene roles in T cell activation, differentiation, and effector function.
Key Applications
· Knockout of immunosuppressive genes to enhance T cell activation and cytotoxicity
· Disruption of signaling pathway components to study proliferation, differentiation, and persistence
· Combinatorial knockout strategies to explore synergistic or antagonistic gene interactions
KO models also support comprehensive functional validation through multi-dimensional assays, including cytotoxicity analysis, cytokine profiling, and transcriptomics—linking gene regulation to functional phenotypes.
With a robust CRISPR platform, EDITGENE delivers efficient and stable knockout solutions for systematic T cell research.
What We Provide
· Single-gene and multi-gene knockout T cell models
· Customized KO design, screening, and validation workflows
· CReliable support for immune research and cell engineering optimization
Our Advantage:
A wide range of KO strategies—including frameshift mutations, fragment deletions, and multiplex knockouts—enables precise functional evaluation while minimizing background interference.
Knockout Cell Models
Customized Gene Knockout ServicesOvercoming Immunosuppressive Barriers
From Checkpoint Inhibition to Tumor Microenvironment Resistance
Although engineered T cells show strong activity in vitro, their function is often suppressed in vivo due to the tumor microenvironment (TME).
This environment consists of tumor cells, immunosuppressive cell populations, and cytokines that collectively inhibit T cell activation and function.
CRISPR provides both targeted and systematic solutions:
Genome-wide and targeted CRISPR screening enables systematic discovery of genes regulating T cell activity, proliferation, and persistence—supporting a full workflow from target discovery to functional validation and engineering optimization.
Applications:
CRISPR-Optimized CAR-T Strategies
From Conventional CAR Design to Precision-Engineered Cell Therapies
CAR-T therapy has shown remarkable success, particularly in hematological malignancies. However, traditional approaches rely on random integration, leading to variability in expression and safety concerns.
CRISPR enables:
As CRISPR integrates with high-throughput screening and multiplex editing, next-generation CAR-T therapies are expected to achieve higher efficacy, safety, and adaptability.
End-to-End Workflow for T Cell Engineering
Immunosuppressive Mechanisms → Enhanced T Cell Function:
Immune Recognition → KO Models → Overcoming Suppression → Engineering Optimization
| Dimension | Key Question | Strategy | Product/Service |
| Gene Knockout | Which genes regulate or limit T cell function? | CRISPR-mediated KO | KO cell lines & custom KO services |
| Gene Knock-In | How to introduce new functions? | Targeted KI (CAR, mutations) | Knock-in services |
| CRISPR Screening | Which genes systematically control T cell activity? | CRISPR library screening | CRISPR libraries & screening services |
Platform Advantages
Built for Precision and Speed
EDITGENE’s capabilities are supported by a robust technological foundation designed for accuracy, efficiency, and scalability:
· Extensive KO cell line library
· Fast delivery (as short as 4 weeks)· Single-clone validation with sequencing confirmation
· Global project support and delivery
