1. Immunology/Inflammation
  2. PD-1/PD-L1
  3. Sintilimab

Sintilimab  (Synonyms: 信迪利单抗; IBI308)

目录号: HY-P99048 纯度: 98.70%
COA

Sintilimab (IBI308) 是一种安全有效的人源的 IgG4 单克隆抗体,与 PD-1 结合,其 KD 值为 74 pM。Sintilimab 阻断 PD-1 与其配体 (PD-L1 和 PL-L2) 的相互作用,从而有助于恢复内源性抗肿瘤 T 细胞反应。Sintilimab 联合益生元抑制肺腺癌小鼠肿瘤体积,调节免疫细胞亚群平衡。Sintilimab 可用于经典霍奇金淋巴瘤、非小细胞肺癌和食管癌的研究。

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CAS No. : 2072873-06-2

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  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Sintilimab (IBI308) is a safe and effectivel humanized IgG4 monoclonal antibody that binds to PD-1 with a KD value of 74 pM. Sintilimab blocks the interaction of PD-1 with its ligands (PD-L1 and PL-L2), consequently helping to restore the endogenous antitumour T-cell response. Sintilimab combined with prebiotics inhibits tumor volume and regulates immune cell subpopulation balance in lung adenocarcinoma mice. Sintilimab can be used for the research of classical Hodgkin's lymphoma, non-small cell lung cancer and oesophageal cancer[1][2][3][4][5].

体外研究
(In Vitro)

Sintilimab (150 ng/μL, 12 小时) 在人外周血单核细胞 (PBMCs) 中显示出高水平的 PD-1 结合能力和优越的 T 细胞激活特性[2]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

Sintilimab (0.1 mg/kg, 1 mg/kg 和 10 mg/kg,腹腔注射, 单次剂量, 1, 8, 12, 5 天) 在人源化小鼠模型中显示出对 NCI-H292 肿瘤的抗肿瘤作用[2]
Sintilimab (1 mg/kg, 3 mg/kg 和 10 mg/kg, 皮下注射, 单剂量) 在 NCI-H292 肿瘤携带的 NOG 小鼠中对 PD-1 分子表现出很高的亲和力[2]
Sintilimab (20 mg/kg, 腹腔注射, 2 天一次,连续 21 天) 联合益生元抑制肺腺癌移植瘤体积,减轻肝、肾损伤[4]

Sintilimab (10 mg/kg, 静脉注射,单剂量) 在 hPD-1 敲入小鼠中的药代动力学参数[2]

Parameter AUC0-4 (h·μg/mL) AUCinf (h·μg/mL) CL (mL/h) Cmax (μg/mL) T1/2 (h) Vss (mL)
Sintilimab 6597.888 7846.554 0.025 218.519 35.623 1.262

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: NOG mice reconstituted with human PBMCs[2]
Dosage: 1 mg/kg, 3 mg/kg and 10 mg/kg
Administration: i.p., a single dose at 24 h and 72 h
Result: Dose-dependently showed a higher percentage of PD-1 molecule occupancy compared with MDX-1106 (HY-P9903) and MK-3475 (HY-P9902) in mice.
Animal Model: NCI-H292 tumor-bearing NOG mice[2]
Dosage: 1 mg/kg, 3 mg/kg and 10 mg/kg
Administration: s.c., a single dose at 24 h
Result: Increased PD-1 receptor occupancy in both peripheral and CD3+ tumor-infiltrating T cells (TILs) to more than 90% in NCI-H292 tumor-bearing mice.
Animal Model: NCI-H292 tumors in a humanized xenograft mouse model[2]
Dosage: 0.1 mg/kg, 1 mg/kg and 10 mg/kg
Administration: i.p., a single dose at day 1, 8, 12, 15
Result: Inhibited tumor growth much more effectively and was significantly higher in the ratio of CD8+ to Treg tumor-infiltrating lymphocytes than MDX-1106 (HY-P9903) and MK-3475 (HY-P9902) in mice.
Animal Model: C57BL/6J mice (6-8 weeks old, body mass 20-25 g) with lung adenocarcinoma[4]
Dosage: 20 mg/kg
Administration: i.p., once interval 2 days for 21 days
Result: Significantly decreased the tumor volume, showed blurred cell structure and mildly damaged liver lobules and reduced liver and kidney injury in lung adenocarcinoma mice.
Clinical Trial
CAS 号
性状

液体

颜色

Colorless to light yellow

中文名称

信迪利; 信迪利单抗

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

Format
  • Human IgG4 kappa
纯度 & 产品资料

纯度: 98.70%

参考文献
  • 摩尔计算器

  • 稀释计算器

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Sintilimab
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HY-P99048
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