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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100ug
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Каталожный номер	HB651186
Реактивность видов	Human
Применения	ELISA, Bioactivity: FCM, Functional assay, Research in vivo
Хозяинский вид	Human
Клоональность	Monoclonal
Изотип	IgG
ID клона	GIGA-564
Биологическая активность	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].
Цель	CD152, CTLA-4, CTLA4, Cytotoxic T-lymphocyte protein 4, Cytotoxic T-lymphocyte-associated antigen 4
Уровень эндотоксинов	< 10 EU/mg
Чистота	>95% as determined by SDS-PAGE.
Очистка	Protein A/G purified from cell culture supernatant.
Номер доступа	P16410
Форма	Liquid
Буфер хранения	0.01M PBS pH 7.4. Пожалуйста, обратитесь к конкретной информации о буфере в печатной версии даташита или в индивидуальном сертификате качества (COA) для партии.
Устойчивость и хранение	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.
Альтернативные названия	GIGA-564, GIGA564, GIGA564
Фон	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
Ссылки	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]
Примечание	For research use only. Not suitable for clinical or therapeutic use.