Abetimus,167362-48-3

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Abetimus

CAS No. : 167362-48-3

MCE 国际站：Abetimus

产品活性：Abetimus (LJP 394 free base) 是一种免疫抑制剂，由四个双链 DNA (dsDNA) 寡核苷酸组成。Abetimus 能够交联 B 细胞表面的抗 dsDNA 抗体，并降低抗 dsDNA 抗体水平。Abetimus 具有研究系统性红斑狼疮的潜力。

研究领域：Others

作用靶点：Others

In Vitro: Administration of Abetimus (LJP 394 free base) is thought to reduce circulating anti-dsDNA Abs by at least two mechanisms. First, Abetimus (LJP 394 free base) acutely depletes circulating anti-dsDNA antibodies, presumably by forming small, soluble complexes that do not appear to result in significant activation of the complement system. Second, Abetimus (LJP 394 free base) binds B cells without T-cell activation, resulting in their apoptosis and reduced anti-dsDNA antibody production. In fact, Abetimus (LJP 394 free base) appears to induce B-cell tolerance by crosslinking anti-dsDNA surface immunoglobulin receptors on B cells and triggering the signal transduction pathways that lead to B-cell anergy or apoptosis.

In Vivo: Abetimus (LJP 394 free base) proves effective in suppressing anti-dsDNA-mediated pathologies in male BXSB mice, a model for systemic lupus. Mice dosed with Abetimus (3-300 μg/mouse) i.v. twice weekly, starting around nine weeks of age, has significantly lower titers of anti-dsDNA, lower numbers of anti-dsDNA-secreting spleen cells and less adverse renal histopathology than control mice.
Abetimus has a pharmacokinetic half-life ranging from 40 min to 1 h in mice.

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