Structure of GSK126
CAS No.: 1346574-57-9
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
GSK126 is a potent, highly selective EZH2 methyltransferase inhibitor with IC50 of 9.9 nM, > 1000-fold selective for EZH2 over 20 other human methyltransferases.
Synonyms: GSK2816126A; GSK2816126
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Cells transit through a quiescent-like state to convert to neurons at high rates
Beitz, Adam M ; Teves, Joji ; Oakes, Conrad G ; Johnstone, Christopher P ; Wang, Nathan B ; Brickman, Joshua M , et al.
Abstract: While transcription factors (TFs) provide essential cues for directing and redirecting cell fate, TFs alone are insufficient to drive cells to adopt alternative fates. Rather, transcription factors rely on receptive cell states to induce novel identities. Cell state emerges from and is shaped by cellular history and the activity of diverse processes. Here, we define the cellular and molecular properties of a highly receptive state amenable to transcription factor-mediated direct conversion from fibroblasts to induced motor neurons. Using a well-defined model of direct conversion to a postmitotic fate, we identify the highly proliferative, receptive state that transiently emerges during conversion. Through examining chromatin accessibility, histone marks, and nuclear features, we find that cells reprogram from a state characterized by global reductions in nuclear size and transcriptional activity. Supported by globally increased levels of H3K27me3, cells enter a quiescent-like state of reduced RNA metabolism and elevated expression of REST and p27, markers of quiescent neural stem cells. From this transient state, cells convert to neurons at high rates. Inhibition of Ezh2, the catalytic subunit of PRC2 that deposits H3K27me3, abolishes conversion. Our work offers a roadmap to identify global changes in cellular processes that define cells with different conversion potentials that may generalize to other cell-fate transitions.
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CAS No. : | 1346574-57-9 |
Formula : | C31H38N6O2 |
M.W : | 526.67 |
SMILES Code : | O=C(C1=CC(C2=CC=C(N3CCNCC3)N=C2)=CC4=C1C(C)=CN4[C@@H](C)CC)NCC5=C(C)C=C(C)NC5=O |
Synonyms : |
GSK2816126A; GSK2816126
|
MDL No. : | MFCD23381067 |
InChI Key : | FKSFKBQGSFSOSM-QFIPXVFZSA-N |
Pubchem ID : | 68210102 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H317 |
Precautionary Statements: | P280-P305+P351+P338 |
Target |
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In Vitro:
Cell Line
|
Concentration | Treated Time | Description | References |
RMG1 cells | 100 nM | 12 days | GSK126 selectively inhibits the growth of ARID1A knockdown cells, significantly reducing cell growth compared to controls. | PMC4352133 |
OVISE cells | 5 μM | 12 days | GSK126 significantly reduces 3D growth of ARID1A mutated cells, while the effects on ARID1A wild type cells are not significant. | PMC4352133 |
Primary hepatocytes | 5 μM | 48 h | GSK126 reversed the effects of HBx on D-GalN-induced ferroptosis in hepatocytes, leading to a rebound in SLC7A11 expression and improved cell viability, MDA, GSH, and iron levels. | PMC8495979 |
BT12 cells | 6 μM | 72 h | To evaluate the effect of GSK126 on cell proliferation, the results showed that GSK126 significantly inhibited the metabolic activity of BT12 cells. | PMC9081147 |
NUH40 cells | 6 μM | 72 h | To evaluate the effect of GSK126 on cell proliferation, the results showed that GSK126 significantly inhibited the metabolic activity of NUH40 cells. | PMC9081147 |
Kelly cells | 5 μM | 48 h | GSK126 inhibited EZH2 methyltransferase activity but had minimal effects on MYCN expression | PMC8748958 |
NCI-H82 cells | 5 μM | 48 h | GSK126 partially reduced MYC expression and inhibited cell proliferation | PMC8748958 |
DLBCL cell lines | 4 μM | 4 days | To investigate the effect of GSK126 on MHC-I expression, results showed that GSK126 treatment significantly increased HLA-B and NLRC5 transcription | PMC7874576 |
KB1P-G3 | 7.5 µM | 72 h | Single agent GSK126 treatment induced 17% reduction of viability, while the combination with AZD1390 displayed 93% cytotoxicity in BRCA1-deficient cells. | PMC9206299 |
KB1P-B11 | 7.5 µM | 72 h | Single agent GSK126 treatment induced 17% reduction of viability, while the combination with AZD1390 displayed 93% cytotoxicity in BRCA1-deficient cells. | PMC9206299 |
SUM149 | 7.5 µM | 72 h | Single agent GSK126 treatment induced 17% reduction of viability, while the combination with AZD1390 displayed 77-79% cytotoxicity in BRCA1-mutant cells. | PMC9206299 |
GES-1 cells | 2 µM | 72 h | Inhibited H3K27me3 methylation, reduced RPL15 expression, and attenuated Wnt signaling pathway | PMC11328474 |
A549 cells | 5 µM | 11 days | By inhibiting EZH2, GSK126 moderately activated the reporter in A549 cells, indicating it promoted partial activation of EMT. | PMC7904264 |
H1944 cells | 5 µM | 11 days | By inhibiting EZH2, GSK126 moderately activated the reporter in H1944 cells, indicating it promoted partial activation of EMT. | PMC7904264 |
In Vivo:
Species
|
Animal Model
|
Administration | Dosage | Frequency | Description | References |
Immunocompromised mice | ARID1A mutated ovarian cancer model | Intraperitoneal injection | 50 mg/kg | Daily for 3 weeks | GSK126 treatment causes regression of ARID1A mutated tumors and significantly reduces the number of tumor nodules in the peritoneal cavity. | PMC4352133 |
C57BL/6 mice | LPS/D-GalN-induced acute liver failure model | Intraperitoneal injection | 150 mg/kg | Single dose, continued until the end of the experiment | GSK126 partially reversed the effects of HBx on LPS/D-GalN-induced acute liver failure and ferroptosis, improving liver histopathology, MDA, GSH, and iron levels. | PMC8495979 |
Athymic mice | Intracranial AT/RT xenograft model | Intraperitoneal injection | 100 mg/kg | Once daily for 20 days | To evaluate the anti-tumor effect of GSK126 in intracranial AT/RT xenograft models, the results showed that GSK126 monotherapy significantly inhibited tumor growth and prolonged the survival of mice. | PMC9081147 |
mice | Kelly xenograft model | intraperitoneal injection | 25 mg/kg, 50 mg/kg, 100 mg/kg | once daily for 2 weeks | GSK126 at 25 mg/kg significantly inhibited H3K27me3 but had minimal effects on MYCN expression and tumor growth | PMC8748958 |
mice | BRCA1-deficient mammary tumor model | intraperitoneal injection (GSK126), oral gavage (AZD1390) | 150 mg/kg | daily for 28 consecutive days | Combined treatment with GSK126 and AZD1390 significantly increased anti-tumor activity and prolonged progression-free survival in BRCA1-deficient mammary tumor-bearing mice. | PMC9206299 |
Clinical Trial:
NCT Number | Conditions | Phases | Recruitment | Completion Date | Locations |
NCT02082977 | Cancer|Neoplasms | PHASE1 | TERMINATED | 2017-06-20 | GSK Investigational Site, Chic... More >>ago, Illinois, 60611, United States|GSK Investigational Site, New York, New York, 10021, United States|GSK Investigational Site, Villejuif cedex, 94805, France|GSK Investigational Site, Sutton, Surrey, SM2 5PT, United Kingdom|GSK Investigational Site, Southampton, SO16 6YD, United Kingdom Less << |
Bio Calculators | ||||
Preparing Stock Solutions | ![]() |
1mg | 5mg | 10mg |
1 mM 5 mM 10 mM |
1.90mL 0.38mL 0.19mL |
9.49mL 1.90mL 0.95mL |
18.99mL 3.80mL 1.90mL |
Tags: GSK126 | GSK2816126A | GSK 126 | GSK-126 | Histone Methyltransferase | EZH2 inhibitor | H3K27me3 | PRC2 | epigenetics | Enhancer of Zeste Homolog 2 | | Polycomb Repressive Complex 2 (PRC2) | histone methylation | trimethylation of histone H3 at lysine 27 | epigenetic alterations | tumor suppressor genes | EZH2-overexpressing cancers | lymphomas | 1346574-57-9
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