Avelumab (anti-PD-L1)

Avelumab (anti-PD-L1) (MSB0010718C) is a fully human IgG1 monoclonal antibody that targets the protein programmed death-ligand 1 (PD-L1). Avelumab exhibits potential antibody-dependent cell-mediated cytotoxicity and is used for the treatment of several kinds of carcinoma. MW=143.8 kDa.

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2 Citations

17 Nobel Prize winners
have used Selleck products

Shimon Sakaguchi

Nature Communications 2025;16, Article number:1325

David Baker

Dev Cell 2023;58(20):2163-2180.e9.

Michael Houghton

Cell Chem Biol 2020;27(7):780-792.e5

David Julius

Cell 2017;185-198.e16

Charles M. Rice

Cell 2018;172(3):423-438.e25

Quality Control

Batch: Purity: 99.99% Protein concentration: 3.2mg/ml Endotoxin Level: ＜1EU/mg

99.99

Specificity

Name	Citation	PD-1/PD-L1 interaction
PD-1/PD-L1 Inhibitor 3	13	+++
BMS-1	13	++
BMS-202	26	+
AUNP-12	3	✔

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1. "+" indicates inhibitory effect. Increased inhibition is marked by a higher "+" designation.
2. "✔" indicates inhibitory effect, but without specific value.

Mechanism of Action

Description	Avelumab (anti-PD-L1) (MSB0010718C) is a fully human IgG1 monoclonal antibody that targets the protein programmed death-ligand 1 (PD-L1). Avelumab exhibits potential antibody-dependent cell-mediated cytotoxicity and is used for the treatment of several kinds of carcinoma. MW=143.8 kDa.
In vitro	Co-incubating chordoma cells with brachyury-specific CD8+ T cells results in significant upregulation of PD-L1 on the tumour cells, mediated by the CD8+ T cells' IFN-γ production, and increases sensitivity of chordoma cells to avelumab-mediated ADCC. Residential cancer stem cell subpopulations of chordoma cells are also killed by avelumab-mediated ADCC to the same degree as non-cancer stem cell populations. As a monotherapy for chordoma, avelumab may enable endogenous NK cells, while in combination with T-cell immunotherapy, such as a vaccine, avelumab may enhance NK-cell killing of chordoma cells via ADCC.
Cell Research	Objective: Antibody-dependent cellular cytotoxicity assay Cells: UM-Chor1 cells Concentrations: 2 μg/mL Incubation Time: 30 min Method: To examine the relationship between a CSC subpopulation and ADCC activity, UM-Chor1 cells are left untreated or treated with 50 ng/mL of IFN-γ for 24 h. Cells are then plated as targets at 50,000 cells/well in 6-well round-bottom culture plates and incubated with 2 μg/mL of avelumab at room temperature for 30 min. NK cells are added at 2,500,000 cells/well at an E:T ratio of 50:1. After 4 h, tumour cells are harvested and stained with antibodies for flow cytometry. Reference: https://pubmed.ncbi.nlm.nih.gov/27172898 Avelumab can apply to humanized mice, non-humanized mice (eg: C57BL/6 mice), peripheral blood and other related assays (Only for Reference)
In vivo	An aggressive, bioluminescent orthotopic bladder cancer model, MB49 tumour cells transfected with luciferase (MB49^luc) is used to study the antitumor effects of avelumab. MB49^luc bladder tumours are highly positive for the expression of PD-L1 and avelumab administration induces significant (P<0.05) antitumor effects.
Animal Research	Objective: Measurement of individual tumours Animal Models: 16- to 18-week-old female C57BL/6 mice Formulation: DPBS Dosages: 400 μg/100 μL Administration: i.p. Reference: https://pubmed.ncbi.nlm.nih.gov/26921031/ Avelumab can apply to humanized mice, non-humanized mice (eg: C57BL/6 mice), peripheral blood and other related assays (Only for Reference)
References	[1] https://pubmed.ncbi.nlm.nih.gov/27172898/ [2] https://pubmed.ncbi.nlm.nih.gov/26921031/

Product Details

CAS No.	1537032-82-8
Isotype	Human IgG1
Source	Human
Sterility	0.2 μM filtered
Formulation	100 mM Pro-Ac, 20 mM Arg, pH 5.0
Storage	Store the undiluted solution at 4°C in the dark to avoid freeze-thaw cycles

Comparison of Clones for

^*Literature analysis of various clone (for this target) products available on the market shows that Sellecks selected clones are more frequently applied. (data until September 2024)

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