Membrane-Bound TNFα CHO Cell Line

Membrane-Bound TNFα CHO Cell Line
Artikelnummer
BPS78971
Verpackungseinheit
2 vials
Hersteller
BPS Bioscience

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Applications: Use as target cells to measure anti-TNFα antibodies ADCC (antibody dependent cellular cytotoxicity) responses.Measuring antibody binding affinity to mTNFα.

Background: Tumor necrosis factor (TNF, also known as TNFα) is produced predominantly by activated macrophages and T lymphocytes. It has been identified as a key regulator in inflammatory and immune responses. TNF signaling pathways are triggered by binding to one of two distinct receptors, designated TNFR1 (TNF receptor 1) and TNFR2, which are differentially regulated on various cell types in normal and diseased tissues. TNFα exists in both a trimeric membrane-bound form (mTNFα) and as a soluble protein.  TNFα is synthetized in a precursor form, a cell surface type II transmembrane protein, which is cleaved by metalloproteinases such as TACE (TNFα converting enzyme) into a soluble peptide. Soluble TNFα can then bind to its receptors and activate downstream signaling pathways. Transmembrane TNFα can also bind to TNFα receptors and induce cellular responses. For instance, it enhances cytotoxicity of NK cells, while in the liver it can trigger hepatitis. Anti-TNFα antibodies can bind to the mTNFα and trigger antibody-dependent cell-mediated cytotoxicity (ADCC) or complement-dependent cytotoxicity (CDC) to destroy the mTNFα-expressing inflammatory cells, being a promising therapy for inflammatory diseases.

Description: The Membrane-Bound TNFα CHO Cell Line is a clonal CHO cell line stably expressing human membrane-bound TNFα (tumor necrosis factor alpha) driven by an EF1a promoter. The cells were generated by transduction with Membrane-Bound TNFα (mTNFα) Lentivirus (#78955).

Host Cell Line: CHO-K1

Mycoplasma Testing: The cell line has been screened to confirm the absence of Mycoplasma species.

Storage Stability: Cells are shipped in dry ice and should immediately be thawed or stored in liquid nitrogen upon receipt. Do not use a -80°C freezer for long term storage. Contact technical support at support@bpsbioscience.com if the cells are not frozen in dry ice upon arrival.

Supplied As: Each vial contains ˃1 x 106 cells in 1 ml of Cell Freezing Medium (BPS Bioscience #79796)

Warnings: Avoid freeze/thaw cycles

Biosafety Level: BSL-1

References: Wang F., et al., 2017 Mol Med Rep 16: 1021-1030. 
Horiuchi T., et al., 2010 Rheumatology 49(7):1215-1228. 
Mehr Informationen
Artikelnummer BPS78971
Hersteller BPS Bioscience
Hersteller Artikelnummer 78971
Green Labware Nein
Verpackungseinheit 2 vials
Mengeneinheit PAK
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