1. Anti-infection
  2. Bacterial
  3. Bezlotoxumab

Bezlotoxumab  (Synonyms: 贝洛托舒单抗; BLA761046; MBL-CDB1; MDX-1388)

目录号: HY-P9929 纯度: ≥95.0%
COA 技术支持

Bezlotoxumab (BLA761046; MBL-CDB1; MDX-1388) 是一种针对 Clostridium difficile 毒素 B 的全人源化 IgG1/kappa 单克隆抗体。Bezlotoxumab 通过介导肠道菌群的早期重建来降低复发性 Clostridium difficile 感染 (CDI) 的风险。Bezlotoxumab 可用于复发性 Clostridium difficile 感染的预防研究。

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CAS No. : 1246264-45-8

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1 mg ¥7200
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MCE 顾客使用本产品发表的 1 篇科研文献

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Bezlotoxumab (BLA761046; MBL-CDB1; MDX-1388) is a fully humanized IgG1/kappa monoclonal antibody directed against Clostridium difficile toxin B. Bezlotoxumab mediates the early reconstitution of gut microbiota to reduce the risk of recurrent Clostridium difficile infection (CDI). Bezlotoxumab can be used for the study of recurrent Clostridium difficile infection prevention[1][2][3].

IC50 & Target

toxin B

体外研究
(In Vitro)

Bezlotoxumab (100 μg/mL,18 小时预处理) 中和 TcdB 诱导的 Caco-2 和 MOCK 细胞单层的跨上皮电阻 (TER) 降低[1]
Bezlotoxumab (100 μg/mL,18 小时预处理) 随着 TcdB 浓度升高,显示出向 Caco-2 细胞顶端腔的转运增加[1]
Bezlotoxumab (100 μg/mL,18 小时预处理) 抑制 TcdB 诱导的 T84 细胞单层 TER 降低,具有不依赖 Fc 的中和效果[1]

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

体内研究
(In Vivo)

Bezlotoxumab (250 μg/mouse,腹腔注射, 感染前 1 天预处理) 联合 Actoxumab (HY-P99277) 可提高野生型和 FcRn-/- C57BL/6 小鼠在初次 CDI 模型中的存活率[1]
Bezlotoxumab (50 mg/kg,皮下注射, 每日一次,持续 4 天) 联合 Actoxumab 可增强雄性叙利亚仓鼠在 CDI 中的存活率并减轻症状[1]

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

Animal Model: 8-week-old female C57BL/6 wild-type or FcRn knockout mice[1]
Dosage: 250 μg/mouse
Administration: i.p., 1 day pre-infection
Result: Improved the survival rate of both wild-type and FcRn knockout mice.
Reduced the recurrence of CDI.
Animal Model: 100 g male Syrian hamsters[1]
Dosage: 50 mg/kg
Administration: s.c., q.d. for 4 days
Result: Improved the survival rate.
Clinical Trial
基因 ID

4914074  [NCBI]

分子量

145.54 kDa

CAS 号
性状

液体

颜色

Colorless to light yellow

中文名称

贝洛托舒单抗

储存方式

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

Format
  • Human IgG1 kappa
纯度 & 产品资料

纯度: ≥95.0%

参考文献
  • 摩尔计算器

  • 稀释计算器

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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

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Help & FAQs
  • 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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