Cemiplimab (anti-PD-1) PD-1/PD-L1 inhibitor | Read Reviews & Product Use Citations

Cemiplimab (anti-PD-1) is an intravenous human monoclonal antibody directed against programmed cell death-1 receptor (PD-1) and blocks its interaction with programmed death ligands 1 (PD-L1) and 2 (PD-L2). Cemiplimab blocks T-cell inactivation and enhances the immune system's anti-tumor response.

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1 Citation

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.

David Julius

Cell 2017, 185-198.e16

Michael Houghton

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

Charles M. Rice

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

Quality Control

Batch: Purity: 99.3% Protein concentration: 5 mg/ml Endotoxin Level: <1 EU/mg

99.3

Specificity

Name	Citation	PD-1/PD-L1 interaction	PD-1	PD-L1	PD-1/PD-L1	Others
GS-4224	0	++++			++++
INCB086550	1	++			++
BMS-1001	0	+			+
BMS-1166	8	+++
PD-1/PD-L1 Inhibitor 3	13	+++
BMS-1	13	++
BMS202	26	+
CA-170 (AUPM-170)	0			✔
SR 0987	1		✔			IL17,RORγt
Spartalizumab (anti-PD-1)	3		✔
Camrelizumab (anti-PD-1)	2		✔
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	Cemiplimab (anti-PD-1) is an intravenous human monoclonal antibody directed against programmed cell death-1 receptor (PD-1) and blocks its interaction with programmed death ligands 1 (PD-L1) and 2 (PD-L2). Cemiplimab blocks T-cell inactivation and enhances the immune system's anti-tumor response.
Features	Human IgG4
In vitro	In cell-based assays, REGN2810 reverses PD-1-dependent attenuation of T-cell receptor signaling in engineered T cells and enhances responses of human primary T cells.
Cell Research	Objective: T cell activation bioassays Cells: Jurkat/AP-1-Luc/hPD-1 cells, HEK293/hCD20 cells, HEK293/hCD20/hPD-L1 cells Concentrations: 0.1 pM-0.1 μM Incubation Time: 4-6 h Method: Antigenpresenting cell (APC)-like HEK293 cells are generated by lentiviral transduction of human CD20 and human PD-L1. T-cell receptor (TCR) activation is achieved by an antiCD3 x anti-CD20 bispecific antibody. To generate a dose response curve for anti-CD3 x anti-CD20, the bispecific molecule is serially diluted and tested with 50,000/well Jurkat/AP-1-Luc/hPD-1 and 10,000/well HEK293/hCD20 or HEK293/hCD20/hPD-L1 cells in a 96-well plate. Serially diluted REGN2810 is tested under similar conditions in the presence of a fixed concentration of anti-CD3 x anti-CD20 (100 pM). Plates are incubated at 37°C for 4-6 hours. Reference: https://pubmed.ncbi.nlm.nih.gov/28265006/ Objective: T cell activation bioassays Cells: HEK293/hCD20/hPD-L1 cells, CD4+ T cells, HEK293/hCD20/hPD-L1 cells Concentrations: 0.1 pM-0.1 μM Incubation Time: 72 h Method: HEK293/hCD20/hPD-L1 cells are treated with 50 mg/mL mitomycin C for 30 minutes at 37°C to inhibit proliferation. Serially diluted REGN2810 is incubated with 50,000/well preactivated CD4+ T cells and 25,000/well of HEK293/hCD20/hPD-L1 cells in the presence of 2 nM anti-CD3 x anti-CD20 bispecific antibody in a 96-well plate for 72 hours. Reference: https://pubmed.ncbi.nlm.nih.gov/28265006/ Cemiplimab can apply to nude mice, various cancer cell lines and other related assays (Only for Reference)
In vivo	Cemiplimab (REGN2810) binds the humanized PD-1 receptor and inhibits growth of MC38 murine tumors in human PD-1 knock-in mice. As REGN2810 binds to cynomolgus monkey PD-1 with high affinity, pharmacokinetic and toxicologic assessment of REGN2810 is performed in cynomolgus monkeys. High doses of REGN2810 are well tolerated, without adverse immune-related effects.
Animal Research	Objective: MC38 mouse colon carcinoma Animal Models: adult human PD-1 knock-in mice Formulation: -- Dosages: 0.3 mg/kg, 1 mg/kg, 3 mg/kg, 10 mg/kg Administration: i.p. Reference: https://pubmed.ncbi.nlm.nih.gov/28265006 Objective: pharmacokinetic (PK) study Animal Models: cynomolgus monkeys (Macaca fascicularis) Formulation: -- Dosages: 1 mg/kg, 5 mg/kg, 15 mg/kg Administration: i.v. Reference: https://pubmed.ncbi.nlm.nih.gov/28265006 Cemiplimab can apply to nude mice, various cancer cell lines and other related assays (Only for Reference)
References	[1] https://pubmed.ncbi.nlm.nih.gov/28265006/

Product Details

CAS No.	1801342-60-8
Isotype	Human IgG4
Source	HEK293
Sterility	0.2 μM filtered
Formulation	PBS buffer. Contains no stabilizers or preservatives
Storage (From the date of receipt)	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 Selleck's selected clones are more frequently applied. (data until September 2024)

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