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In this study, we have observed that in contrast to the ATM selective inhibitor KU55933, ATM/ATR dual inhibitors such as caffeine and CGK733 can suppress cyclin D1 levels in cancer cell lines. A recent study suggests that mitogen-activated cyclin D1 expression is required for the induction of premature senescence . KU55933, which suppresses ATM phosphorylation upon irradiation, could be applied in the radiotherapy of BCa patients with a DAB2IP gene defect. Keywords:: DAB2IP , radiotresistance , bladder cancer , ATM , KU55933 2D chemical structure image of ab120637, KU-55933, competitive ATM kinase inhibitor. Functional Studies - KU-55933, competitive ATM kinase inhibitor (ab120637) HepG2 cells were incubated at 37°C for 60 minutes with vehicle control (0 µM) and different concentrations of KU-55933 (ab120637). KU-55933 is an ATM inhibitor by suppressing cell proliferation and induces apoptosis by blocking Akt in cancer cells with overactivated Akt. Availability: In stock Package KU-55933 is a specific inhibitor of ATM kinase with IC50 value of 13 nM . ATM can stimulate Ser473 phosphorylation of Akt and mediate its full activation in response to insulin.
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A ATM cellular inhibition by KU55933 was demonstrated in additional phosphorylation targets, including p53 Ser15, H2AX Ser139, NBS1 Ser343, Chk1 Ser345, and SMC1 Ser966. KU-55933 is a potent ATM inhibitor with an IC50 and K of 12.9 and 2.2 nM, respectively, and is highly selective for ATM as compared to DNA-PK, PI3K/PI4K, ATR and mTOR. For research use only. We do not sell to patients.
Nikolai Zhelev 2017-06-01 · At 20 μM, the ATM inhibitor increased the Dox-evoked LDH release (Fig. 1E, right panel). In summary, these data show that the ATM inhibitor is protective in the Dox model of cell damage at concentrations of 1 μM and 1–10 μM in UN- and RA-SH-SY5Y cells, respectively, without clear exacerbation of cell damage at its higher concentrations.
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Article Snippet: The ATM inhibitor KU55933 was a gift from Kudos Pharmaceuticals. Techniques: Inhibition, De-Phosphorylation Assay Ataxia telangiectasia mutated (ATM) kinase is critical in sensing and repairing DNA double-stranded breaks (DSBs) such as those induced by temozolomide (TMZ). ATM deficiency increases TMZ sensitivity, which suggests that ATM inhibitors may be effective TMZ sensitizing agents.
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In response to IR, ATM initiates a signaling cascade and phosphorylates downstream targets (e.g., p53, Chk2, and SMC1) on characteristic sites which can be used as a measure of cellular ATM kinase activity ( 8 , 10 , 11 , 13 ). ku-55933 atm kinase inhibitor. high purity, best price. trusted source for researchers and distributors. The inhibition of kinase ATR with its specific inhibitor VE-821 resulted in a more pronounced radiosensitizing effect in HL-60 cells as compared to the inhibition of kinase ATM with the inhibitor KU55933.
KU55933 is an ATP-competitive, thioanthrene-pyranone-based inhibitor of ATM kinase with an IC50 of 13 nM and Ki of 2.2 nM and >100-fold selectivity over PI3K related kinases.  KU55933 inhibits cell proliferation by inducing G1 cell cycle arrest by downregulation of cyclin D1 synthesis in MDA-MB-453 breast cancer cells and PC-3 prostate cancer cells.
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A previous model proposed that telomerase acts upstream from ATM activation and that telomerase inhibition prevents ATM activation through the structural regulation of chromatin . Find and order inhibitors and products like this ATM Kinase Inhibitor, KU-55933 on www.antibodies-online.com. Order product ABIN412287. ab120637 KU-55933, competitive ATM kinase inhibitor （CAS番号: 587871-26-9） 分子量: 395.49 化学式: C21H17NO3S2 Potent, 選択的, competitive ATM kinase 阻害剤 アブカムの高純度な生理活性物質（アゴニスト・アンタゴニスト・アクティベーター・阻害剤） 2016-09-09 · To evaluate whether ATM inhibition increases the cytotoxicity of PARP inhibitors, we treated both triple-negative breast cancer cell lines (CAL-51, MDA-MB-231 and MDA-MB-468) and non-triple-negative breast cancer cell lines (MCF-7, T-47D and SK-BR-3) with increasing concentrations of Olaparib (0–10 μM) alone or in combination with 10 μM ATM inhibitor KU55933. ATM Kinase Inhibitor - CAS 587871-26-9 - Calbiochem ATM Kinase Inhibitor, CAS 587871-26-9, is a cell-permeable, potent, ATP-competitive inhibitor of ATM Kinase (IC₅₀ = 13 nM; Ki = 2.2 nM).
And it did indeed suppress the replication
Asynkrona kulturer behandlades med nocodazol och kemiska hämmare av DNA-PK (NU7441, PKi), ATM (KU55933, ATMi) eller Caspase-3/7 (zVAD-fmk, zVAD)
MCF10A-celler behandlades först med ATR- och ATM-kinasinhibitorer och Ian Collins, ICR, London), 10 μm ATM kinase inhibitor KU55933 (Merck, Millipore),
Med tanke på att ATM-kinas är primärregulator för DDR, testade vi 5, 25 sin roll vid induktion av CXCR4 genom användning av en specifik inhibitor, Ku-55933
( b ) ATM-hämmaren KU55933 förhindrade delvis HdmX-nedreglering av RITA i RITA-aktiverad p53 undertrycker uttrycket av sin egen inhibitor Wip1, vilket ger
1 Vissa av dessa effektorer, såsom 53BP1, rekryteras fokalt av ATM till DSB. av följande små molekylinhibitorer: en DNA-PK-hämmare 18 (DPKi, NU7441) och eller DNA-PK-hämmare NU7441 och ATM-hämmare KU55933, separat eller i
KU-55933 (ATM Kinase Inhibitor) is a potent and specific ATM inhibitor with IC50 / Ki of 12.9 nM/2.2 nM in cell-free assays, and is highly selective for ATM as compared to DNA-PK, PI3K/PI4K, ATR and mTOR. Our study shows that a specific ATM inhibitor, KU-55933, blocks the phosphorylation of Akt induced by insulin and insulin-like growth factor I in cancer cells that exhibit abnormal Akt activity.
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Destabilisering av linker histon h1.2 är nödvändig för atm aktivering
Advertisement By: Elizabeth Scherer COX-2 inhibitors are a new generation of NSAIDs that are highly effective in reducing joint 2-morpholin-4-yl-6-thianthren-1-yl-pyran-4-one (KU55933) significantly sensitized siDAB2IP cells to IR due to inhibition of the phosphorylation of ATM and its Pharmacological ATM inhibition by KU55933 in cisplatin-treated mice did not ameliorate, but instead exacerbated cisplatin-induced DnA damage and tubular 30 Mar 2020 In a chronic mice infection model, Mtb infected lungs showed significant DSBs and activation of ATM. Combining ATM inhibitor, KU55933 with 7 Aug 2018 treatment with the ATM inhibitor KU55933, there was a large reduction in phosphorylation of Kap1 and Chk2, whereas this was not seen with 3 Oct 2012 In this study, the TMZ sensitizing effects of 2 ATM specific inhibitors were KU- 55933 is a specific ATM inhibitor and a potent sensitizing agent 13 Dec 2019 ATM (inhibitor KU55933) or DNA-PK (inhibitor NU7026) influenced gene expression in Donor 3 and. Donor 4 24 h after exposure (Figure 6 and 13 Feb 2019 Evaluation of ATM Kinase Inhibitor KU-55933 as Potential Anti-Toxoplasma gondii Agent. Frontiers in cellular and infection microbiology, 9, 26. to the ATM inhibitor KU55933 and conversely that AT cells are sensitive to the PARP ATM and DNA-PK inhibition together give the same sensitivity to PARP Chemical Modulators for studying KU-55933 in the research area. KU-55933 is a potent and selective ATP-competitive inhibitor of ATM kinase (IC50 = 13 nM ATM Kinase Inhibitor (KU 55933) is a cell-permeable, potent, selective and ATP- competitive inhibitor of ATM (Ataxia telangiectasia mutated), a serine/threonine 5 Apr 2016 For example, KU55933, a specific inhibitor of the protein kinase ataxia- telangiectasia mutated (ATM), which is a key player in the signaling Phosphorylation of ATM on S1981 is inhibited by ATMi, consistent with the anticipated The KU55933 ATM inhibitor used was from Kudos Pharmaceuticals 23 Apr 2018 A number of selective inhibitors of ATM have been disclosed, the first of which, 2 ( KU-55933), was developed by KuDOS Pharmaceuticals (now KU-55933 is a specific ATM inhibitor, which has pro-apoptotic effect on tumor cells. In this study, we analyzed the synergistic effect of sorafenib and KU-55933 DNA repair inhibitors as radiosensitizers in human lung cells kinase (DNA-PK); KU55933 (10 μM), an inhibitor of ataxia-telangiectasia mutated kinase (ATM); KU55933 is a potent and selective ATP-competitive inhibitor of ATM, with an IC50 of 13 nmol/l and a Ki of 2.2 nmol/l.