EZ-editor™ KO Cell Lysate | Ubigene
The Gold Standard for Antibody Validation 
EZ-editor™ KO Cell Lysate
10,000+ KO Cell Models Powering Antibody Specificity Validation
KO Cell Lysates
The Benchmark Tool for Gene Knockout-Based Antibody Validation
Knockout (KO) cell lysates are built on gene-edited cell line models that provide an ideal negative control system through the specific ablation of a target gene. Unlike traditional knockdown models, KO models eliminate the confounding effects of residual protein expression. By comparing detection signals between WT and KO samples, researchers can directly evaluate an antibody's target recognition specificity, making it the gold standard for antibody validation. Ubigene builds KO cell models using the EZ-editor™ platform, verifies knockout efficiency via Sanger sequencing or Western Blot (WB), and prepares standardized, ready-to-use KO protein lysates.
EZ-editor™ KO Cell Lysate Products
Ubigene provides over 10,000 monoclonal KO cell lysate products to meet diverse target validation needs. All lines are validated by Sanger sequencing or WB. Researchers can obtain standardized, ready-to-use KO protein samples without complex experimental workflows, directly accelerating antibody specificity verification, screening, and protein function studies. If you cannot find your target, custom services are available—contact us for details.
KO Cell Lysate (Monoclonal)
Knockout (KO) Cell Lines
10000+KO Cell Models: The Gold Standard for antibody validation
Accurately Differentiating Specific Signals from Non-Specific Backgrounds
Antibody specificity directly impacts experimental accuracy and reliability, yet non-specific binding, cross-reactivity, and batch-to-batch variations remain common challenges. Traditional siRNA methods struggle with incomplete target deletion due to efficiency limits, which can compromise specificity assessments. KO cell models achieve complete target protein ablation via gene knockout, serving as reliable negative controls. Comparing signal differences between WT and KO samples allows for precise evaluation of antibody specificity and effectively rules out background interference. Currently, KO validation is widely applied in WB, immunoassays, and protein function research.
Comparison of Validation Effect Across Different Models
| Comparison Metrics | siRNA Knockdown Model | KO Cell Lysate (Cell Pool) | KO Cell Lysate (Monoclonal)  |
|---|---|---|---|
| Action Level | RNA-level knockdown | DNA-level gene knockout | DNA-level gene knockout |
| Target Protein Expression | Partially reduced | Significantly reduced/absent | Absent |
| Negative Control Reliability | Low★★★★★ | High★★★★★ | Higher★★★★★ |
| Antibody Specificity Validation | Limited | Good | Gold Standard 👍 |
| Non-Specific Signal Exclusion | Weak | Strong | Stronger 😊 |
| Cell Population Homogeneity | Transfection efficiency-dependent | Cellular heterogeneity exists | Single clone, uniform & stable |
| Experimental Reproducibility | Susceptible to conditions | Relatively stable | Highly stable |
| Applicable Scenarios | Preliminary gene function studies | Rapid screening & preliminary validation | Antibody development, performance evaluation, publication-grade validation |
Ubigene Antibody Validation Case Studies
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