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QS 11

Catalog No.GC17251

QS 11은 EC50이 1.5μM인 ARFGAP1(ADP-리보실화 인자 GTPase 활성화 단백질 1)의 억제제입니다. QS 11은 단백질 트래피킹에 대한 효과를 통해 Wnt/β-카테닌 신호전달을 조절합니다. QS 11은 ARFGAP 과발현 유방암 세포의 이동을 억제합니다.

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QS 11 Chemical Structure

Cas No.: 944328-88-5

Size 가격 재고 수량
10mg
US$157.00
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50mg
US$661.00
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Sample solution is provided at 25 µL, 10mM.

Description Protocol Chemical Properties Product Documents Related Products

EC50: 1.5 μM for ARFGAP1 enzymatic assay [1] and 0.5 μM for Wnt synergist [2]

Purine derivative QS11 is a Wnt synergistic agonist by inhibiting the GTPase activating protein of ADP-ribosylation factor 1 (ARFGAP1). ARFGAP1 promotes hydrolysis of ARF1-bound GTP and is required in membrane trafficking and /or vesicle transport.

In vitro: QS11 showed potent Wnt Synergist activity with little cytotoxicity in HEK293 cells (EC50 = 0.5 μM) and human primary fibroblast cells (EC50 ≥ 10 μM). QS11 at 2.5 μM activated the Super(8X)TOPFlash reporter ~200-fold in the presence of Wnt-3a conditioned medium. Synergistic effect was also observed when QS11 was combined with recombinant Wnt-3a protein (10–200 ng/ml) [2].

In vivo: In Wnt signaling test model, embryos were injected with QS11, XWnt-8 RNA or a combination of QS11and XWnt-8 RNA. Compared with QS11 alone and XWnt-8 RNA alone, injection of a combination of XWnt-8 RNA and QS11 induced significantly more full (20.9%) and partial (30.2%) double axis formation [2]..

Clinical trial: So far, no clinical study has been conducted.

References:
[1] Singh MK1, Gao H1, Sun W1, Song Z1, Schmalzigaug R2, Premont RT2, Zhang Q3.  Structure-activity relationship studies of QS11, a small molecule Wnt synergistic agonist. Bioorg Med Chem Lett. 2015 Nov 1;25(21):4838-42.
[2] Zhang Q1, Major MB, Takanashi S, Camp ND, Nishiya N, Peters EC, Ginsberg MH, Jian X, Randazzo PA, Schultz PG, Moon RT, Ding S.  Small-molecule synergist of the Wnt/beta-catenin signaling pathway. Proc Natl Acad Sci U S A. 2007 May 1;104(18):7444-8. Epub 2007 Apr 25.

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