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Chemical Structure| 1433286-70-4 Chemical Structure| 1433286-70-4

Structure of 666-15
CAS No.: 1433286-70-4

Chemical Structure| 1433286-70-4

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666-15 is a potent and selective CREB inhibitor with an IC50 of 81 nM, which suppresses tumor growth in a breast cancer xenograft model.

Synonyms: Compound 3i

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Product Details of 666-15

CAS No. :1433286-70-4
Formula : C33H31Cl2N3O5
M.W : 620.52
SMILES Code : O=C(NCCOC1=C(C(NC2=CC=C(Cl)C=C2O)=O)C=C3C=CC=CC3=C1)C4=C(OCCCN)C=C5C=CC=CC5=C4.[H]Cl
Synonyms :
Compound 3i
MDL No. :MFCD30182343
InChI Key :LELLCPHHYHLWBH-UHFFFAOYSA-N
Pubchem ID :71566396

Safety of 666-15

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P280-P301+P312-P302+P352-P305+P351+P338

Related Pathways of 666-15

epigenetics
TLR

Isoform Comparison

Biological Activity

Target
  • bromodomain

    CREB, IC50:81 nM

In Vitro:

Cell Line
Concentration Treated Time Description References
143B cells 0.1 μM 24 hours 666-15 inhibited CREB activity, thereby reducing ITGA10 expression, which in turn suppressed the activation of the PI3K/AKT signaling pathway, ultimately attenuating tumor cell proliferation and chemoresistance. PMC8549349
patient-derived astrocytes 10 μM 1 day CREB inhibitor 666-15 attenuated the BDNF and GDNF increase induced by n-3 PUFAs in astrocytes PMC10034857
HEK 293T cells 0.25 ± 0.11 μM 30 minutes Evaluate the inhibitory effect of 666-15 on CREB-mediated gene transcription, results showed IC50 of 666-15 is 0.081 ± 0.04 μM PMC10355536
HS-SY-II cells 0.13-2.5 µmol/L 72 hours To assess the effect of 666-15 on the viability of HS-SY-II cells, results showed a significant reduction in cell viability. PMC9187574
CME-1 cells 0.09-0.18 µmol/L 20 hours To assess the effect of 666-15 on the viability and apoptosis of CME-1 cells, results showed reduced cell viability and induced apoptosis. PMC9187574
SYO-I cells 0.13-2.5 µmol/L 72 hours To assess the effect of 666-15 on the viability of SYO-I cells, results showed a significant reduction in cell viability. PMC9187574
human skin mast cells 5 μM 2 days Inhibition of CREB function reduced the number of identifiable cells, demonstrating the critical role of CREB in SCF/KIT axis-mediated mast cell survival. PMC9966046
HEK 293T cells 0.081 ± 0.04 μM 30 minutes Evaluate the inhibitory effect of 666-15 on CREB-mediated gene transcription, and the results showed that 666-15 is a potent and selective inhibitor of CREB-mediated gene transcription. PMC4493896
A549 cells 0.47 μM 72 hours Evaluate the inhibitory effect of 666-15 on the proliferation of A549 cells, and the results showed that 666-15 has a potent inhibitory effect on A549 cells. PMC4493896
MCF-7 cells 0.31 μM 72 hours Evaluate the inhibitory effect of 666-15 on the proliferation of MCF-7 cells, and the results showed that 666-15 has a potent inhibitory effect on MCF-7 cells. PMC4493896
MDA-MB-231 cells 0.073 μM 72 hours Evaluate the inhibitory effect of 666-15 on the proliferation of MDA-MB-231 cells, and the results showed that 666-15 has a potent inhibitory effect on MDA-MB-231 cells. PMC4493896
MDA-MB-468 cells 0.046 μM 72 hours Evaluate the inhibitory effect of 666-15 on the proliferation of MDA-MB-468 cells, and the results showed that 666-15 has a potent inhibitory effect on MDA-MB-468 cells. PMC4493896
mCCD(cl.1) cells 100–250 nM 24 hours Inhibits CREB-mediated gene transcription, reduces ddAVP-induced Aqp2 and Slc22a17 mRNA expression PMC6862280

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
nude mice xenograft tumor model by subcutaneous injection of 143B cells intraperitoneal injection 10 mg/kg Single dose, monitored for 7 days 666-15 inhibited CREB activity, thereby reducing ITGA10 expression, which in turn suppressed the activation of the PI3K/AKT signaling pathway, ultimately attenuating tumor growth and chemoresistance. PMC8549349
chicken chicken chorioallantoic membrane (CAM) model topical administration 20 mg/kg Three times per week for 3 weeks To assess the effect of 666-15 on SYO-I tumor growth in the CAM model, results showed significant inhibition of tumor growth. PMC9187574
Nude mice MDA-MB-468 xenograft model Intraperitoneal injection 40 mg/kg/day Once daily for 2 weeks Evaluate the antitumor activity of 666-15 in the MDA-MB-468 xenograft model, and the results showed that 666-15 completely suppressed tumor growth without overt toxicity. PMC4493896

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

1.61mL

0.32mL

0.16mL

8.06mL

1.61mL

0.81mL

16.12mL

3.22mL

1.61mL

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