Brilanestrant (GDC-0810)

別名:ARN-810

Brilanestrant (GDC-0810, ARN-810) is a potent ER-α binder (ER-α, IC50 = 6.1 nM; ER-β, IC50 = 8.8 nM), a full transcriptional antagonist with no agonism and displays good potency and efficacy in ER-α degradation (EC50 = 0.7 nM) and MCF-7 breast cancer cell viability (IC50 = 2.5 nM) assays with good selectivity over other nuclear hormone receptors.

Brilanestrant (GDC-0810)化学構造

CAS No. 1365888-06-7

サイズ 価格(税別) 在庫状況
JPY 23100 国内在庫あり
JPY 66300 国内在庫あり

代表番号: 045-509-1970|電子メール:[email protected]
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文献中Selleckの製品使用例(2)

製品安全説明書

現在のバッチを見る: S785501 DMSO] 89 mg/mL] false] Ethanol] 89 mg/mL] false] Water] Insoluble] false 純度: 99.98%
99.98

Brilanestrant (GDC-0810)関連製品

Estrogen/progestogen Receptor阻害剤の選択性比較

生物活性

製品説明 Brilanestrant (GDC-0810, ARN-810) is a potent ER-α binder (ER-α, IC50 = 6.1 nM; ER-β, IC50 = 8.8 nM), a full transcriptional antagonist with no agonism and displays good potency and efficacy in ER-α degradation (EC50 = 0.7 nM) and MCF-7 breast cancer cell viability (IC50 = 2.5 nM) assays with good selectivity over other nuclear hormone receptors.
Targets
ERα [1]
(Cell-free)
ERβ [1]
(Cell-free)
6.1 nM 8.8 nM
In Vitro
In vitro In cell-free radio-ligand competitive binding assays, GDC-0810 binds both ERα and ERβ with low nanomolar affinity[2]. GDC-0810 has little to no inhibition against CYP1A2, CYP2D6, or CYP3A4 (IC50 > 20 μM), modest inhibitory effect on CYP2C9 and CYP2C19 (IC50 = 2.2 and 3.3 μM respectively), and potent inhibition of CYP2C8 (IC50 of <0.1 μM). Selectivity of GDC-0810 over other nuclear hormone receptors is also found to be good. In transcriptional reporter assays for the mineralocorticoid (MR), progesterone-A (PR-A), progesterone (PR-B), and glucocorticoid (GR) receptors, GDC-0810 has minimal activity (IC50 > 1 μM). While in binding assays, GDC-0810 displays little activity toward the androgen receptor (AR; IC50 > 4 μM) and GR (IC50 = 0.99 μM)[1]. GDC-0810-mediated ERα depletion is dependent on the 26S proteasome. GDC-0810 antagonizes ERα ligand binding domain mutants in vitro and in vivo. In cell-free E2 competitive binding assays that was used to determine the binding of GDC-0810 to ER.WT, ER.Y537S and ER.D538G ligand binding domains, GDC-0810 retains its ability to potently displace E2 from the ligand binding domain, albeit with a slightly increased IC50 (WT: 2.6 nM vs. ER.Y537S: 5.5 nM and ER.D538G: 5.4 nM). GDC-0810 can compete the PGC1α co-activator peptide off the mutated ligand binding domain, implying that GDC-0810 is capable of driving an 'active' to 'inactive' conformational shift of mutant ER, though with a ~five-seven fold reduction in biochemical potency compared to wild-type ER[2].
細胞実験 細胞株 MCF-7 cells
濃度 --
反応時間 4 h
実験の流れ

MCF-7 cells are trypsinized and washed twice in phenol red free RPMI containing 5% charcoal dextran stripped FBS with 20 mM HEPES and NEAA and adjusted to a concentration of 200000 cells per mL with the same medium. Next, 16 μL of the cell suspension (3200 cells) is added to each well of a poly-D-lysine coated 384-well plate, and the cells are incubated at 37℃ over 4 days to allow the cells to adhere and grow. On day 4, a 10-point, serial 1:5 dilution of each compound is added to the cells in 16 μL at a final concentration ranging from 10−5 M to 5.12 × 10−12 M or 10−6 M to 5.12 × 10−13 M for fulvestrant. At 4 h post compound addition, the cells are fixed by adding 16 μL of 30% formalin to the 32 μL of cells and compound (10% formalin final concentration) for 20 min. Cells are then washed twice with PBS Tween 0.1% and then permeabilized in PBS 0.1% Triton (50 μL/well) for additional 15 min. The PBS 0.1% triton is decanted, and the cells are washed: LI-COR blocking buffer (50 μL/well) was added, the plate is spun at 3000 rpm, and then the blocking buffer is decanted. Additional LI-COR blocking buffer (50 μL/well) is added, and the cells are incubated overnight at 4℃. The blocking buffer is decanted, and the cells are incubated overnight at 4℃ with SP1 anti-ER rabbit monoclonal antibody diluted 1:1000 in LI-COR blocking buffer/0.1% Tween-20. Wells, which are treated with blocking buffer with Tween but no antibody, are used as a background control. Wells are washed twice with PBS Tween 0.1% to remove free SP1 antibodies, and the cells are incubated at room temp for 60−90 min in LI-COR goat antirabbit IRDyeTM 800CW (1:1000) and DRAQ5 DNA dye diluted in LI-COR blocking buffer containing 0.1% Tween-20 and 0.01% SDS. Cells are then washed with 0.1%Tween-20/PBS three times. Plates are scanned on a LI-COR Odyssey infrared imaging system.

In Vivo
In Vivo The pharmacokinetic profile of GDC-0810 shows it is a low clearance molecule across species, with good bioavailability (40−60%). As would be expected for a lipophilic carboxylic acid, the compound is highly bound to plasma proteins (>99.5% across species) and has a low to moderate volume of distribution (Vss = 0.2−2.0 L/kg across species). GDC-0810 exhibits good bioavailability across species and displays robust activity in tamoxifen-sensitive and tamoxifen-resistant xenograft models of breast cancer[1]. GDC-0810 displays mild estrogenic activity in uterine models in vitro and in vivo[2].
動物実験 動物モデル a tamoxifen-sensitive MCF-7 xenograft model
投与量 30 and 100 mg/kg
投与経路 p.o.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT02802670 Completed
Healthy Volunteers
Genentech Inc.
May 2016 Phase 1
NCT02621957 Completed
Breast Cancer
Genentech Inc.
December 2015 Phase 1
NCT02569801 Terminated
Breast Cancer
Genentech Inc.
December 4 2015 Phase 2
NCT01823835 Terminated
Breast Cancer
Genentech Inc.
December 29 2014 Phase 1|Phase 2

化学情報

分子量 446.90 化学式

C26H20ClFN2O2

CAS No. 1365888-06-7 SDF --
Smiles CCC(=C(C1=CC=C(C=C1)C=CC(=O)O)C2=CC3=C(C=C2)NN=C3)C4=C(C=C(C=C4)F)Cl
保管

In vitro
Batch:

DMSO : 89 mg/mL ( (199.14 mM); 吸湿したDMSOは溶解度を減少させます。新しいDMSOをご使用ください。)

Ethanol : 89 mg/mL

Water : Insoluble

モル濃度計算器

in vivo
Batch:

Add solvents to the product individually and in order.

投与溶液組成計算機

実験計算

モル濃度計算器

質量 濃度 体積 分子量

投与溶液組成計算機(クリア溶液)

ステップ1:実験データを入力してください。(実験操作によるロスを考慮し、動物数を1匹分多くして計算・調製することを推奨します)

mg/kg g μL

ステップ2:投与溶媒の組成を入力してください。(ロット毎に適した溶解組成が異なる場合があります。詳細については弊社までお問い合わせください)

% DMSO % % Tween 80 % ddH2O
%DMSO %

計算結果:

投与溶媒濃度: mg/ml;

DMSOストック溶液調製方法: mg 試薬を μL DMSOに溶解する(濃度 mg/mL, 注:濃度が当該ロットのDMSO溶解度を超える場合はご連絡ください。 )

投与溶媒調製方法:Take μL DMSOストック溶液に μL PEG300,を加え、完全溶解後μL Tween 80,を加えて完全溶解させた後 μL ddH2O,を加え完全に溶解させます。

投与溶媒調製方法:μL DMSOストック溶液に μL Corn oil,を加え、完全溶解。

注意:1.ストック溶液に沈殿、混濁などがないことをご確認ください;
2.順番通りに溶剤を加えてください。次のステップに進む前に溶液に沈殿、混濁などがないことを確認してから加えてください。ボルテックス、ソニケーション、水浴加熱など物理的な方法で溶解を早めることは可能です。

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