2. Immunology/Inflammation
  3. PD-1/PD-L1
  4. Pembrolizumab

Pembrolizumab  (Synonyms: MK-3475; Lambrolizumab)

Cat. No.: HY-P9902 Purity: 98.31%
COA

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Pembrolizumab (MK-3475) is a humanized IgG4 antibody inhibiting the programmed cell death 1 (PD-1) receptor, used in cancer immunotherapy.

For research use only. We do not sell to patients.

CAS No. : 1374853-91-4

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Based on 14 publication(s) in Google Scholar

Pembrolizumab Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Purity & Documentation

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Description

Pembrolizumab (MK-3475) is a humanized IgG4 antibody inhibiting the programmed cell death 1 (PD-1) receptor, used in cancer immunotherapy.

Isotype

Human IgG4 kappa
Recommend Isotype Controls
Species

Humanized
IC50 & Target

IC50: 0.6 nM (PD-1)
In Vitro

Pembrolizumab (MK-3475) increases the secretion of cytokines IFN-γ, TNF-α and the apoptotic cell death of A549 cells[2].
Pembrolizumab improves the αROR1-CAR T-mediated cytotoxicity, and reduces tumorigenesis in the co-cultured αROR1-CAR T and A549 cells by blocking PD-1::PD-L1 interaction in αROR1-CAR T cells[2].

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

Pembrolizumab Related Antibodies

Cell Cytotoxicity Assay[2]

Cell Line: αROR1-CAR T and A549 cells
Concentration: 10 μg/mL
Incubation Time: Adding Pembrolizumab after A549-Red-Fluc cells preconditioned in elevated pressure (+ 100 mmHg) for 7 days.
Result: Enhanced αROR1-CAR T killing of A549 lung cancer cells under elevated pressure.

Apoptosis Analysis[2]

Cell Line: A549 cells
Concentration: 10 μg/mL
Incubation Time:
Result: Increased the apoptotic cell death in A549 cells, and improve the αROR1-CAR T-mediated cytotoxicity.
In Vivo

Pembrolizumab inhibits tumor size in A549 xenograft mice pretreated by pressure[2].

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

Animal Model: Six-week-old male BALB/c athymic nude mice[2]
Dosage: 5 mg/kg
Administration: Pembrolizumab (5 mg/kg; Intravenous injection; Once)
Result: Reduced tumorigenesis in αROR1-CAR T cells and co-cultured with A549 cells.
Clinical Trial
CAS No.
Appearance

Liquid

Color

Colorless to light yellow

SMILES

[Pembrolizumab]
Shipping

Shipping with dry ice.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.
Format
  • Human IgG4 kappa
Biological Activity
  • Flow cytometry analysis of PD-1 overexpression HEK293 cells labelling PD-1 with Pembrolizumab at 67nM (Red). Goat anti human IgG Fc(Alexa Fluor488) was used as the secondary antibody at 1/400 dilution. Isotype control - human IgG (Blue). Unlabeled control - Unlabelled cells (Gray).
  • Loaded Pembrolizumab on AHC2 biosensor, can bind PD-1 Protein, Human (143a.a, HEK293, His, HY-P7396) with an affinity constant of 1.898E-09 M as determined in BLI assay.
Purity & Documentation

Purity: 99.06%

COA (291 KB)

Inhibitory Antibodies User Guide (602 KB)
References
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Pembrolizumab Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Pembrolizumab1374853-91-4MK-3475 LambrolizumabMK3475MK 3475PD-1/PD-L1PD-1/Programmed death-ligand 1PD-1 inhibitorIgG4 antibody cancerimmunologyInhibitorinhibitorinhibit

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