1. Signaling Pathways
  2. Protein Tyrosine Kinase/RTK
  3. Btk

Btk (布鲁顿酪氨酸激酶)

Bruton tyrosine kinase (Btk) is a member of the Tec family kinases with a well-characterized role in B-cell antigen receptor (BCR)-signaling and B-cell activation.

Btk plays a crucial role in B cell development and activation through the BCR signaling pathway and represents a new target for diseases characterized by inappropriate B cell activity. Btk is a kinase expressed exclusively in B cells and myeloid cells and has a well characterized, vital role in B cells highlighted by the human primary immune deficiency disease, X-linked agammaglobulinemia (XLA), which results from mutation in the Btk gene. Btk plays an essential role in the BCR signaling pathway. Antigen binding to the BCR results in B cell receptor oligomerization, Syk and Lyn kinase activation, followed by Btk kinase activation. Once activated, Btk forms a signaling complex with proteins such as BLNK, Lyn, and Syk and phosphorylates phospholipase C (PLC)γ2. This leads to downstream release of intracellular Ca2+ stores and propagation of the BCR signaling pathway through extracellular signal-regulated kinase and NF-κB signaling, ultimately resulting in transcriptional changes to foster B cell survival, proliferation, and/or differentiation.

Btk 相关产品 (6):

目录号 产品名 作用方式 纯度
  • HY-100342
    Ibrutinib-biotin Inhibitor 99.09%
    Ibrutinib-biotin 是一种由 Ibrutinib 通过长链接头连接到生物素上组成的探针,具体可参考 WO2014059368A1 中 Compound 1-5,抑制 BTKIC50 值为 0.755-1.02 nM。
  • HY-112646
    CG-806 Inhibitor 98.07%
    CG-806 是一种口服,有效且非共价的泛-FLT3/泛-BTK 抑制剂,对 FLT3IC50 值为 0.08 µM。CG-806 对 FLT3 野生型转染的 Ba/F3 细胞的 IC50 值为 11 nM。
  • HY-18009
    LFM-A13 Inhibitor 99.97%
    LFM-A13 是一种有效的 BTKJAK2PLK 抑制剂,可抑制 BTK,Plx1 和 PLK3 的活性,IC50 分别为 2.5 μM,10 μM 和 61 μM。
  • HY-78727
    Ibrutinib deacryloylpiperidine Inhibitor 99.96%
    Ibrutinib deacryloylpiperidine (IBT4A) 是 Ibrutinib 的一种杂质。Ibrutinib 是一种不可逆的选择性 Btk 抑制剂,IC50 为 0.5 nM。
  • HY-18010
    PCI 29732 Inhibitor 99.68%
    PCI 29732 是一种有效的可逆 BTK 抑制剂,对 BTK、Lck 和 Lyn 的 Kiapp 值分别为 8.2、4.6 和 2.5 nM。PCI 29732 对另一种 Tec 家族激酶 Itk 仅有适度的抑制活性。PCI 29732 通过竞争性结合ABCG2 的 ATP 结合位点来抑制 ABCG2 的功能。
  • HY-17600S
    Acalabrutinib D4 Inhibitor ≥98.0%
    Acalabrutinib D4 (ACP-196 D4) 是 Acalabrutinib 的一种氘代化合物。Acalabrutinib (ACP-196) 是一种具有口服活性,不可逆的,高度选择性的第二代 BTK 抑制剂。
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