Obinutuzumab (anti-CD20)

目录号:A2023 别名: Gazyva, GA101, Gazyvaro, Afutuzumab 中文名称:阿托珠单抗, 奥滨尤妥珠单抗

For research use only.
Not for use in humans.

Obinutuzumab (Gazyva, GA101, Gazyvaro, Afutuzumab) (anti-CD20) 是一种新型的II型糖工程化人源化抗CD20的单克隆抗体,已开发用于治疗淋巴细胞白血病和B细胞起源的淋巴瘤。

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CD markers抑制剂选择性比较

生物活性

产品描述 Obinutuzumab (Gazyva, GA101, Gazyvaro, Afutuzumab) (anti-CD20) 是一种新型的II型糖工程化人源化抗CD20的单克隆抗体,已开发用于治疗淋巴细胞白血病和B细胞起源的淋巴瘤。
体外研究

GA101 is the first Fc-engineered, type II humanized IgG1 antibody against CD20. Relative to rituximab, GA101 has increased direct and immune effector cell-mediated cytotoxicity and exhibits superior activity in cellular assays and whole blood B-cell depletion assays.[3]

体内研究

In human lymphoma xenograft models, GA101 exhibits superior antitumor activity, resulting in the induction of complete tumor remission and increased overall survival. In nonhuman primates, GA101 demonstrates superior B cell–depleting activity in lymphoid tissue, including in lymph nodes and spleen.[3]

推荐的实验操作(此推荐来自于公开的文献所以Selleck并不保证其有效性)

细胞实验:
- 合并
  • Objective: Annexin V/PI FACS assay
    Cells: NHL cell lines
    Concentrations: 10 μg/mL
    Incubation Time: 36 hr
    Method: For CD40 stimulation of hCD20 cells from transgenic mice, red blood cells (RBCs) are removed by hypotonic ammonium-chloride-potassium (ACK) lysis, and untouched splenic B cells are purified by anti-CD43–mediated depletion of non-B cells (MACS). B cells are incubated in conditioned complete RPMI 1640 medium containing 10% fetal bovine serum for 2 hours (with or without 10 μg/mL mitogenic stimulation) and either anti-CD40 or anti-IgM Fab2 antibodies. This is followed by 36 hours of anti-CD20 stimulation (GA101 or rituximab 10 μg/mL). As positive controls for the induction of cell death, the following agents are used: 100nM staurosporine for mitochondrial-mediated apoptosis, or 1 μg/mL anti-CD95 Fas for the extrinsic induction of apoptosis.
    Reference: https://pubmed.ncbi.nlm.nih.gov/20194898/

    Obinutuzumab can apply to humanized mice (eg:SCID beige mice), peripheral blood and other related assays (Only for Reference)

动物实验:
- 合并
  • Objective: Tumor control ratio (TCR) and tumor growth inhibition (TGI)
    Animal Models: 4- to 8-week-old female SCID beige mice
    Formulation: --
    Dosages: 30 mg/kg
    Administration: i.p.
    Reference: https://pubmed.ncbi.nlm.nih.gov/24304419/

    Objective: NHL xenograft studies in SCID beige mice
    Animal Models: 4 to 5-week-old female SCID beige mice
    Formulation: --
    Dosages: 10 mg/kg, 30 mg/kg
    Administration: i.p.
    Reference: https://pubmed.ncbi.nlm.nih.gov/20194898/

    Obinutuzumab can apply to humanized mice (eg:SCID beige mice), peripheral blood and other related assays (Only for Reference)

抗体信息

CAS No. 949142-50-1
配制 PBS buffer, pH 7.2
同型 Humanized IgG1
来源 Humanized (from mouse)
储存条件 Store the undiluted solution at 4°C in the dark to avoid freeze-thaw cycles

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID