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Referencia número: HY-184689

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ORS-14

ORS-14 is a LILRB4/ILT3 ligand with a K_d of 85.2 nM for human receptors. ORS-14 blocks SCG2-mediated LILRB4 signaling pathway, reverses SCG2-mediated immunosuppression, restores cytokine production, reduces tumor cell viability, recovers cytotoxic T cell function, and increases the frequency of granzyme B⁺ CD8⁺ T cells. ORS-14 can be used in research related to colorectal cancer and acute myeloid leukemia.

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No. CAS: 1311892-52-0
Fòrmula: C₁₇H₁₇N₅O₂
Peso molecular:323.35

Almacenamiento:

Please store the product under the recommended conditions in the Certificate of Analysis.

ORS-14 Chemical Structure

No. CAS: 1311892-52-0

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Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Actividad biológica
- Descripciòn
- IC₅₀ & Target
- In Vitro
Chemical Information
Pureza y Documentación
Referencias
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Bioz

Actividad biológica

Descripciòn

IC₅₀ & Target^[1]

LILRB4

85.2 nM (Kd)

In Vitro

ORS-14 directly binds to the extracellular domain of recombinant human LILRB4, with a K_D of 85.2 nM^[1].
ORS-14 reverses the immunosuppressive effect mediated by SCG2 in the co-culture system of PBMC and HCT116 colorectal cancer cells, restores cytokine secretion and reduces tumor cell viability^[1].
ORS-14 reverses the SCG2-mediated immunosuppressive effect in the co-culture system of PBMC and THP-1 AML, restores IFN-γ secretion, enhances cytotoxic T cell activity, and reduces tumor cell viability^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Chemical Information

No. CAS 1311892-52-0
Peso molecular 323.35
Fòrmula C₁₇H₁₇N₅O₂
SMILES

O=C(NCC1=CC=NC(OC2=CC=C(C)C(C)=C2)=C1)C3=CNN=N3
Envío

Room temperature in continental US; may vary elsewhere.
Almacenamiento

Please store the product under the recommended conditions in the Certificate of Analysis.

Pureza y Documentación

Instrucciones de manejo (2659 KB)

Referencias

[1]. Abdel-Rahman SA, et al. OracleScreen-LILRB4 (HTS-Oracle v3): machine learning-guided discovery of myeloid immune checkpoint binders validated in patient-derived cells. Bioorganic & medicinal chemistry letters. 2026 Jun 29;140:130717. [Content Brief]

Calculators

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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MOQ

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100 mg

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