| 名称 | Abatacept |
| 描述 | Abatacept (CTLA4lg) is a soluble fusion protein consisting of the extracellular domain of human CTLA4 and a fragment of the Fc portion of human IgG1 (hinge and CH2 and 3 domains). It is a selective T-cell co-stimulation modulator and a protein drug for autoimmune diseases. |
| 动物实验 | Animal Model: Male Lewis rats (6-9 weeks old) with weights of 150-175 g. Dosage: 10 mg/kg (i.v.), 20 mg/kg (s.c. single-dose), 20 mg/kg (SC Multiple-dose) on day 21 with 10 mg/kg SC doses on days 23, 25, 27, and 29. Administration: i.v. or s.c. [2] |
| 体内活性 | Abatacept reduces paw edema, and the SC Multiple-dose group shows significantly greater (tobs = 2.50) paw edema reduction compared with the IV dose group. Abatacept exhibits linear PK across the studied doses. The NCA clearance (CL) is 20.8 mL/day/kg, volume (Vss) is 146 mL/kg, and bioavailability (F) of the SC dose dosing is 57.7% [2]. Abatacept (oral; 10 mg/kg; every 2 days) reduces the proportion of activated T cells (CD44highCD62L–) and inhibits the up-regulation of ICOS and CD71 in homozygous DO11.10 RAG-2–/–BALB/c (H-2d/d) mice [3]. |
| 存储条件 | store at low temperature | -20°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
| 关键字 | Abatacept |
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