BRACO19 trihydrochloride|cas 351351-75-2|DC Chemicals

Cas No.:	351351-75-2
Chemical Name:	N-[9-[4-(dimethylamino)anilino]-6-(3-pyrrolidin-1-ylpropanoylamino)acridin-3-yl]-3-pyrrolidin-1-ylpropanamide
Synonyms:	CHEMBL336434; UNII-Z7C5CD91WI; 9-[4-(N,N-dimethylamino)phenylamino]-3,6-bis(3-pyrrolodinopropionamido) acridine; N,N'-(9-((4-(Dimethylamino)phenyl)amino)-3,6-acridinediyl)bis(1-pyrrolidinepropanamide); 9-[4-(N,N-dimethylamino)phenylamino]-3,6-bis (3-pyrrolodino-propionamido) acridine; BRACO-19; 1-Pyrrolidinepropanamide, N,N'-(9-((4-(dimethylamino)phenyl)amino)-3,6-acridinediyl)bis-; CHEBI:33534; C20202; N-{9-[4'-(N,N-dimethylamino)phenylamino]}-3,6-bis(3-pyrrolidinopropionamido)acridine;
SMILES:	CN(C)C1=CC=C(C=C1)NC2=C3C(C=C(NC(=O)CCN4CCCC4)C=C3)=NC5C2=CC=C(NC(=O)CCN6CCCC6)C=5
Formula:	C₃₅H₄₃N₇O₂^.₃[HCl]
M.Wt:	703.14444
Purity:	>98%
Sotrage:	2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Description:	Braco-19 is a potent telomerase/telomere inhibitor, preventing the capping and catalytic action of telomerase. Braco-19 acts as G-quadruplex (GQ) binding ligand, stabilizing G-quadruplexes formation at the 3V telomeric DNA overhang and produce rapid senescence or selective cell death. Braco-19 is also a HAdV virus replication inhibitor[1][2].
Target:	IC50: telomerase/telomere[1]
In Vivo:	BRACO-19 (oral administration or intraperitoneal injection; 2 or 5 mg/kg; 3 weeks) oral dosing regimen are always inactive and the animals have to be sacrificed due to high tumor burden before overall termination of the study, Chronic, i.p. BRACO-19 administration, qdx5 is efficient in inhibiting tumor growth in earlystage xenografts but not advanced-stage xenografts[1]. BRACO-19 (intraperitoneal injection; 2 mg/kg; 3 weeks; starting 6 days after transplantation of UXF1138LX fragments) inhibits tumor growth significantly and under these conditions, marked single-agent antitumor activity is observed, with some animals in the group showing complete regressions (5 of 12 tumors)[1]. Animal Model: Established UXF1138LX Xenografts in nude mice[1] Dosage: 2 mg/kg Administration: Intraperitoneal injection; 3 weeks; starting 6 days after transplantation of UXF1138LX fragments Result: Showed partial tumor regressions with an optimal T/C on day 28 of 4.1%, equal to 95.9% inhibition of tumor growth compared with control.
In Vitro:	Braco-19, as a well-known GQ binding ligand, interacts specifically with the HAdV GQs and increases their stability, and blocks the HAdV multiplication[2]. BRACO-19 (1.0-10 μM; 5 day) cause zero growth inhibition is found 1 μM, the IC50 for BRACO-19 in UXF1138L cells is 2.5 μM, the IC100 is 5 μM[1]. BRACO-19 (1 μM; 24 hours) shows dramatically reduced nuclear hTERT expression. However, residual cytoplasmic hTERT staining is observed accompanied by the occurrence of atypical mitoses[1]. BRACO-19 (0-40 μM; 24 hours) decreases the AdV virus growth in a dose-dependent manner in eGFP-transinfected HEK 293 cells[2]. BRACO-19 (0-150 μM; 24 hours) shows a decrease in band intensity in an increasing concentration-dependent manner[2]. Cell Viability Assay[1] Cell Line: HEK 293 cells Concentration: 20 μM; 40 μM Incubation Time: 24 hours Result: Displayed low cytotoxicity and decreased the eGFP fluorescence.
References:	[1]. Angelika M Burger, et al. The G-quadruplex-interactive Molecule BRACO-19 Inhibits Tumor Growth, Consistent With Telomere Targeting and Interference With Telomerase Function. Cancer Res. 2005 Feb 15;65(4):1489-96. [2]. Prativa Majee, et al. Genome-wide Analysis Reveals a Regulatory Role for G-quadruplexes During Adenovirus Multiplication. Virus Res. . 2020 Jul

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