Anti-Human CTLA-4 Reference Antibody (GIGA-564, RUO) (HB651186)

Name: Anti-Human CTLA-4 Reference Antibody (GIGA-564, RUO)
Brand: abinScience
SKU: HB651186
Price: 370 USD
Availability: InStock

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Número de catálogo	HB651186
Reactividad de especies	Human
Aplicaciones	ELISA, Bioactivity: FCM, Functional assay, Research in vivo
Especie huésped	Human
Clonalidad	Monoclonal
Isotipo	IgG
ID de clon	GIGA-564
Actividad biológica	GIGA-564 (0.001-100 ug/mL) exhibits extremely low activity in blocking the binding of CTLA-4 to CD80 and CD86 in ELISA assays [1]. GIGA-564 (5 mg/kg; i.p.; once every 3 days; 3 doses) induces a lower level of peripheral Treg proliferation than Ipilimumab () in hCTLA-4 KI mice bearing MC38 tumors [1]. GIGA-564 (0.3 mg/kg; i.p.; once every 3 days; 3 doses) exhibits excellent anti-tumor activity in hCTLA-4 KI mice bearing MC38 tumors [1]. GIGA-564 (30 mg/kg; i.p.; once every 3 days; 9 doses) induces less toxicity than Ipilimumab () in hCTLA-4 knock-in (KI) and hCTLA-4/hPD-1 double knock-in (KI) mice, as evidenced by lower liver enzyme levels, reduced colitis, and the absence of skin lesions at the tested dose [1].
Objetivo	CD152, CTLA-4, CTLA4, Cytotoxic T-lymphocyte protein 4, Cytotoxic T-lymphocyte-associated antigen 4
Nivel de endotoxinas	< 10 EU/mg
Pureza	>95% as determined by SDS-PAGE.
Purificación	Protein A/G purified from cell culture supernatant.
Número de acceso	P16410
Forma	Liquid
Buffer de almacenamiento	0.01M PBS pH 7.4. Consulte la información específica del buffer en la copia impresa del datasheet o en el COA específico del lote.
Estabilidad y almacenamiento	Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Nombres alternativos	GIGA-564, GIGA564, GIGA564
Fondo	Cytotoxic T-lymphocyte protein 4 (CD152/CTLA4) is a ~24 kDa protein. Inhibitory receptor acting as a major negative regulator of T-cell responses. Acts as a decoy receptor: the affinity of CTLA4 for its natural B7 family ligands, CD80 and CD86, is considerably stronger than the affinity of their cognate stimulatory coreceptor CD28. CD152 is the therapeutic target of ipilimumab (Yervoy). 1. Schwartz, JC. et al. (2001) Nature 410, 604-8. PMID: 11279501 2. Stamper, CC. et al. (2001) Nature 410, 608-11. PMID: 11279502 3. Teft, WA. et al. (2006) Annual review of immunology 24, 65-97. PMID: 16551244 4. Linsley, PS. et al. (1991) The Journal of experimental medicine 174, 561-9. PMID: 1714933 5. Zheng, Y. et al. (2008) Journal of immunology (Baltimore, Md. : 1950) 181, 1683-91. PMID: 18641304 6. Ramagopal, UA. et al. (2017) Proceedings of the National Academy of Sciences of the United States of America 114, E4223-E4232. PMID: 28484017
Referencias	1. Stone E L, et al. GIGA-564, a third generation anti-CTLA-4 with minimal ability to block CTLA-4 binding to B7 ligands, has enhanced efficacy but reduced toxicity compared to ipilimumab in pre-clinical models//JOURNAL FOR IMMUNOTHERAPY OF CANCER. BRITISH MED ASSOC HOUSE, TAVISTOCK SQUARE, LONDON WC1H 9JR, ENGLAND: BMJ PUBLISHING GROUP, 2022, 10: A1443-A1443. [HB651186]
Nota	For research use only. Not suitable for clinical or therapeutic use.