KIR2DS4/CD158i Drug Discovery Landscape & Assay Solutions

Subtitle: Market Intelligence, Clinical Progress, and High-Purity Reagents for NK Cell Immunotherapy Development.

TarMart Solution Ecosystem & Related Targets

"Comprehensive reagent toolkit for KIR2DS4 drug discovery. Select your modality below:"

Component / Network Product Description Product Link
Antigen KIR2DS4 ECD-Fc / Mutant Protein
High purity (>95%), Endotoxin <1EU/ug. Sequence Verified. HEK293 Expressed (Native Glycosylation).
View KIR2DS4 Products
Gene Delivery KIR2DS4 Promise-ORF / Lentivirus
Full-length ORF for stable cell lines. Ideal for functional activation assays.
View KIR2DS4 Products
Benchmark Ab Anti-KIR2DS4 Recombinant Antibody
Recombinant positive control cloned from clinical benchmark sequences.
View KIR2DS4 Products
Validator KIR2DS4 siRNA Set
For knockdown verification in primary NK cells or reporter lines.
View KIR2DS4 Products
Related Target A HLA-C
Primary physiological ligand for KIR2DS4 (specifically HLA-C*04:01). Essential for binding competition assays.
View HLA-C Products
Related Target B KIR2DL1
Inhibitory counterpart sharing high sequence homology. Critical for off-target counter-screening.
View KIR2DL1 Products
Related Target C CD16a
Co-activating receptor on NK cells. Crucial for bispecific NK cell engager (NKCE) designs.
View CD16a Products
Critical Assay Challenge The TarMart Advantage (Technical Spec)
High homology cross-reactivity (KIR2DL1/L2/L3/S1/S2) Homolog panel proteins strictly verified by mass spectrometry and sequence alignment.
Conformational stability of activating receptor HEK293 mammalian expression system preserves native post-translational glycosylation.
Lack of Controls Clinical Benchmark Antibodies (Biosimilars) included
False Positives Validated siRNA included for specificity checks

Live KIR2DS4/CD158i R&D Tracker

Market data changes daily. Access the latest global pipeline status directly:

Global Clinical Landscape & Future Outlook

The race for KIR2DS4 therapeutics is intensifying, with major players shifting focus from broad-spectrum immune checkpoint inhibitors to highly selective NK cell-activating modalities. As first-generation monoclonal antibodies targeting inhibitory KIRs (such as KIR2DL1/2/3) reach advanced clinical evaluation, the next wave of R&D is targeting activating KIRs like KIR2DS4 to directly trigger NK-mediated cytolysis. Future trends point toward bispecific/trispecific NK cell engagers (NKCEs) and CAR-NK applications where KIR2DS4 acts as a key activating engine, bypassing inhibitory signals in the immunosuppressive tumor microenvironment.

Competitive Modality & Indication Snapshot

Modality Representative Players Key Indications Critical Assay Need (Why TarMart?)
Agonist mAbs Innate Pharma, Bristol Myers Squibb Hematological Malignancies, Acute Myeloid Leukemia (AML) Selectivity Screening (Need KIR2DS4 vs KIR2DL1/S1 proteins to ensure no inhibitory off-target activation)
NK Cell Engagers (NKCE) Sanofi, Affimed Solid Tumors, Refractory Lymphoma Heterodimer/Multimer Validation (Need high-purity ECD-Fc fusion proteins to verify dual/triple antigen binding)
Cell Therapy (CAR-NK) NantKwest, MD Anderson Cancer Center Advanced Solid Tumors Transduction & Expression Validation (Need Lentivirus Premade Particles for stable KIR2DS4 reporter line generation)