Fenebrutinib (GDC-0853)

製品コードS8421

Fenebrutinib (GDC-0853)化学構造

分子量(MW):664.80

Fenebrutinib (GDC-0853) is a potent, selective, and non-covalent bruton's tyrosine kinase (BTK) inhibitor with an Ki value of 0.91 nM for Btk with >100-fold selectivity over 3 off-targets (Bmx :153-fold, Fgr: 168-fold, Src:131-fold).

サイズ 価格(税別)  
JPY 21168.70
JPY 32688.16
JPY 113760.45

製品安全説明書

BTK阻害剤の選択性比較

生物活性

製品説明 Fenebrutinib (GDC-0853) is a potent, selective, and non-covalent bruton's tyrosine kinase (BTK) inhibitor with an Ki value of 0.91 nM for Btk with >100-fold selectivity over 3 off-targets (Bmx :153-fold, Fgr: 168-fold, Src:131-fold).
ターゲット
BTK [1]
(Cell-free assay)
BTK C481R [1]
(Cell-free assay)
BTK C481S [1]
(Cell-free assay)
BTK T474M [1]
(Cell-free assay)
BTK T474I [1]
(Cell-free assay)
0.91 nM(Ki) 1.3 nM(Ki) 1.6 nM(Ki) 3.4 nM(Ki) 12.6 nM(Ki)
体外試験

When tested at 1 μM against a broad panel of human kinase biochemical assays, GDC-0853 inhibits only 3 of 286 off-target kinases. Based on the determined IC50 values, the selectivity for Btk is >100-fold against each of these 3 off-targets: Bmx (153-fold), Fgr (168-fold), and Src (131-fold). GDC-0853 blocks both B-cell BCR and monocyte FcγR signaling. In in vitro biochemical Btk enzyme assay, GDC-0853 displays an average residence time with Btk of 18.3 ± 2.8 hours. GDC-0853 blocks cellular autophosphorylation of WT Btk and the C481S mutant[1]. CLL (chronic lymphocytic leukemia) cells treated with GDC-0853 in vitro before BCR stimulation demonstrate reduced levels of BTK phosphorylation and diminished activation of downstream targets including PLCγ2, AKT, and ERK. GDC-0853 inhibits NF-κB–dependent transcription, reduces activation, and impairs migration. GDC-0853 lacks inhibition of EGFR and ITK in cellular system and does not affect T-cell receptor activation[3].

体内試験

In rats administrated 0.2 mg/kg GDC-0853 via intraperitoneal injection or 1 mg/kg PO, GDC-0853 has moderate clearance of 27.4 mL/min/kg and excellent bioavailability (F=65%). The plasma clearance is 27.4 mL/min/kg, the volume of distribution (Vd) is 5.42 L/kg and the plasma half-life (t1/2) is 2.2 h. GDC-0853 also demonstrates favorable PK properties in dogs. The 3.8-hour half-life (Clp 10.9 mL/min/kg, Vd 2.96 L/kg) and high oral bioavailability (85%) also enable attainment of sufficient exposures in dog toxicology studies. GDC-0853 is well tolerated in both rats and dogs and displays an overall favorable safety profile. GDC-0853 is useful in treating rheumatoid arthritis and other B-cell or myeloid cell mediated autoimmune diseases. In a single ascending dose (SAD) study (0.5 mg to 600 mg) and multiple ascending dose (MAD) study for 14 days (250 mg BID to 500 mg QD), GDC-0853 is very well tolerated with no severe adverse events, no safety signals, and no dose limiting toxicities. GDC-0853 is well absorbed and had linear, doseproportional pharmacokinetics[1]. In Sprague-Dawley (SD) rats, administration of GDC-0853 and other structurally diverse BTK inhibitors for 7 days or longer cause pancreatic lesions consisting of multifocal islet-centered hemorrhage, inflammation, fibrosis, and pigment-laden macrophages with adjacent lobular exocrine acinar cell atrophy, degeneration, and inflammation. Similar findings are not observed in mice or dogs at much higher exposures[2].

お薦めの試験操作(参考用のみ)

キナーゼ試験:

[1]

+ 展開

Kinase selectivity:

Btk inhibitor kinase selectivity is assessed at a concentration of 1 µM in a panel of up to 287 recombinant human kinase activity and binding assays, including cytoplasmic and receptor tyrosine kinases, serine/threonine kinases, and lipid kinases. The kinase activity assays measure peptide phosphorylation or ADP production while the binding assays monitored displacement of ATP sitebinding probes. The ATP concentrations used in the activity assays are typically within 2-fold of the experimentally determined apparent Michaelis constant (Kmapp) value for each kinase while the competitive binding tracer concentrations used in the binding assays are generally within 3-fold of the experimentally determined dissociation constant (Kd) values. Inhibitors are tested in duplicate against each kinase and the mean % Inhibition values are reported. For kinases that are inhibited by close to or greater than 80% at the test concentration, 10-point inhibitor titrations using the same assays are carried out in order to determine the inhibitor concentrations that caused 50% inhibition (IC50).
細胞試験:

[3]

+ 展開
  • 細胞株: CLL cells
  • 濃度: 1 μM
  • 反応時間: 48 hours
  • 実験の流れ:

    Cells are treated with 1 µM BTK inhibitor for 48 hours and measured for viability by flow cytometry.


    (参考用のみ)
動物試験:

[2]

+ 展開
  • 動物モデル: Sprague-Dawley, Wistar-Han and Fischer-344 rats (6 to 12 weeks old)
  • 製剤: 1.0% (w/v) 4000 cps hydroxypropylmethylcellulose, 0.2% (v/v) Tween 80 and 100 mM citrate buffer (pH 3.0 ± 0.1) prepared in reverse osmosis water
  • 投薬量: 5 or 10 mL/kg
  • 投与方法: p.o.
    (参考用のみ)

溶解度 (25°C)

体外 DMSO 8 mg/mL (12.03 mM)
Water Insoluble
Ethanol Insoluble

* 溶解度測定はSelleck技術部門によって行われており、その他文献に示されている溶解度と差異がある可能性がありますが、同一ロットの生産工程で起きる正常な現象ですからご安心ください。

化学情報

分子量 664.80
化学式

C37H44N8O4

CAS No. 1434048-34-6
保管
in solvent
別名 N/A

便利ツール

モル濃度計算器

モル濃度計算器

求めたい質量、体積または濃度を計算してください。

質量 (g) = 濃度 (mol/L) x 体積 (L) x 分子量 (g/mol)

モル濃度計算器方程式

  • 質量
    濃度
    体積
    分子量

*貯蔵液を準備するとき、常に、オンであるとわかる製品のバッチに特有の分子量を使って、を通してラベルとMSDS/COA(製品ページで利用可能な)。

希釈計算器

希釈計算器

貯蔵液を準備するために必要な希釈率を計算してください。Selleck希釈計算器は、以下の方程式に基づきます:

開始濃度 x 開始体積 = 最終濃度 x 最終体積

希釈の計算式

この方程式は、一般に略語を使われます:C1V1 = C2V2 ( 入力 出力 )

  • C1
    V1
    C2
    V2

常に貯蔵液を準備するとき、小びんラベルとMSDS/COA(オンラインで利用できる)で見つかる製品のバッチに特有の分子量を使ってください。

連続希釈計算器方程式

  • 連続希釈剤

  • 計算結果

  • C1=C0/X C1: LOG(C1):
    C2=C1/X C2: LOG(C2):
    C3=C2/X C3: LOG(C3):
    C4=C3/X C4: LOG(C4):
    C5=C4/X C5: LOG(C5):
    C6=C5/X C6: LOG(C6):
    C7=C6/X C7: LOG(C7):
    C8=C7/X C8: LOG(C8):
分子量計算器

分子量计算器

そのモル質量と元素組成を計算するために、合成物の化学式を入力してください:

総分子量:g/mol

チップス: 化学式は大文字と小文字の区別ができます。C10H16N2O2 c10h16n2o2

モル濃度計算器

質量 濃度 体積 分子量

技術サポート

ストックの作り方、阻害剤の保管方法、細胞実験や動物実験の際に注意すべき点など、製品を取扱う時に問い合わせが多かった質問に対しては取扱説明書でお答えしています。

Handling Instructions

他に質問がある場合は、お気軽にお問い合わせください。

  • * 必須

BTKシグナル伝達経路

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細胞株 試験類型 濃度 培養時間 溶剤類型 活性叙述 PMID