GANT61

Alias: NSC 136476; GANT61; nsc136476; GANT 61; nsc 136476; GANT-61; nsc-136476;
Cat No.:V1337 Purity: ≥98%
GANT61 (GANT 61; nsc 136476; GANT-61; nsc-136476) is a novel and potent small-molecule inhibitor for GLI1 (glioma-associated oncogene 1) and GLI2-induced transcription with potential anticancer activity.
GANT61 Chemical Structure CAS No.: 500579-04-4
Product category: Hedgehog(Smoothened) ROCK
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

GANT61 (GANT 61; nsc 136476; GANT-61; nsc-136476) is a novel and potent small-molecule inhibitor for GLI1 (glioma-associated oncogene 1) and GLI2-induced transcription with potential anticancer activity. In GLI1-expressing HEK293T cells, it inhibits the hedgehog pathway with an IC50 of 5 μM and exhibits selectivity against other pathways like TNF and glucocorticoid receptor gene transactivation. The way that GANT61 works is by stopping DNA binding. Its ability to cause dose-dependent cell death in Ewing's sarcoma family tumor (ESFT) cell lines has been shown.

Biological Activity I Assay Protocols (From Reference)
Targets
GLI1 ( IC50 = 5 μM )
ln Vitro

In vitro activity: GANT61 is an inhibitor of transcription induced by both GLI1 and GLI2. GANT61 prevents GLI1 from being able to bind DNA. GANT61 inhibits hedgehog signaling with IC50 of 5 μM, displays selectivity over other pathways, such as TNF signaling/NFκB activation, glucocorticoid receptor gene transactivation, and the Ras–Raf–Mek–Mapk cascade. In a GLI-dependent manner, GANT61 effectively inhibited the proliferation of tumor cells in vitro.[1] Normal B cells are not subjected to apoptosis induction by GANT61, but CLL cells are. [2] In human colon cancer cell lines, GANT61 eliminates clonogenicity and induces strong cytotoxicity.[3] In early S-phase human colon cancer cell lines, GANT61 inhibits DNA replication, which triggers DNA damage signaling via the ATM–Chk2 axis and results in cell death.[4] Within acute myeloid leukemia (AML) cells, GANT61 (30 μM) induces both growth arrest and apoptosis.[5]

ln Vivo
GANT61 causes growth regression in nude mice injected with GLI1-positive 22Rv1 prostate cancer cells until there is no more palpable tumor.[1] GANT61 treatment (oral gavage, 50 mg/kg) significantly inhibits tumor growth at Day 12 in nude mice carrying SK-N-AS neuroblastoma xenografts, as the tumor volume is reduced to 63% compared with controls.[6]
Enzyme Assay
On 10-cm plates (day 0), HEK293 cells are transfected with the GLI1 expression plasmid along with the reporter plasmids 12×GliBSLuc and R-Luc. After twenty-four hours, cells are seeded at a density of 15,000 per well in white, transparent 96-well plates. Compounds are added to cells at a final concentration of 10 μM in DMSO (0.5% final DMSO concentration) after allowing the cells to attach (day 1.5). After growing the cells for a further twenty-four hours, they are lysed and the Dual Luciferase kit is used for analysis.
Cell Assay
BrdU Incorporation Assay. On white 96-well plates with clear bottoms, subconfluent cells are grown in reduced FBS (2.5%) for 48 hours while being exposed to 5 μM test compound (or DMSO). The cells are then fixed, labeled with BrdU for two hours, and examined.
Animal Protocol
The assay uses humanized NOD/SCID/IL2Rgammanull mice. Prior to administering CSCs, mice are rendered humane by injecting human normal CD34+ peripheral blood stem/progenitor cells into their tail veins. Through the tail vein, 500 cells/mouse, 50–75 μL volume of CD34+ peripheral blood stem/progenitor cells are injected. The NOD/SCID IL2R-null mice (4–6 weeks old) have their flanks subcutaneously injected with human pancreatic CSCs (1×103 cells mixed with Matrigel, Becton Dickinson, Bedford, MA, in 75 μL total volume, 50:50 ratio) after 3 days. Mice (10 per group) are given GANT-61 (0 or 40 mg/kg body weight) intraperitoneally three times a week for six weeks following two weeks of CSC implantation. The experiment ends with the death of the mice and the isolation of the tumors for biochemical examination.
References

[1]. Proc Natl Acad Sci U S A . 2007 May 15;104(20):8455-60.

[2]. Oncogene . 2010 Sep 2;29(35):4885-95.

[3]. Cancer Res . 2011 Feb 1;71(3):1092-102.

[4]. Cancer Res . 2011 Sep 1;71(17):5904-14.

[5]. Leuk Res . 2012 Jun;36(6):742-8.

[6]. Int J Cancer . 2013 Apr 1;132(7):1516-24.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C27H35N5
Molecular Weight
429.6
Exact Mass
429.29
Elemental Analysis
C, 75.49; H, 8.21; N, 16.30
CAS #
500579-04-4
Related CAS #
500579-04-4
Appearance
White to off-white solid powder
SMILES
CN(C)C1=CC=CC=C1CN2CCCN(C2C3=CC=NC=C3)CC4=CC=CC=C4N(C)C
InChi Key
KVQOGDQTWWCZFX-UHFFFAOYSA-N
InChi Code
InChI=1S/C27H35N5/c1-29(2)25-12-7-5-10-23(25)20-31-18-9-19-32(27(31)22-14-16-28-17-15-22)21-24-11-6-8-13-26(24)30(3)4/h5-8,10-17,27H,9,18-21H2,1-4H3
Chemical Name
2-[[3-[[2-(dimethylamino)phenyl]methyl]-2-pyridin-4-yl-1,3-diazinan-1-yl]methyl]-N,N-dimethylaniline
Synonyms
NSC 136476; GANT61; nsc136476; GANT 61; nsc 136476; GANT-61; nsc-136476;
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: 12~25 mg/mL (27.9~58.2 mM)
Water: <1 mg/mL
Ethanol: <1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 5 mg/mL (11.64 mM) (saturation unknown) in 10% EtOH + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 50.0 mg/mL clear EtOH stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: 5 mg/mL (11.64 mM) in 10% EtOH + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 50.0 mg/mL clear EtOH stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 5 mg/mL (11.64 mM) (saturation unknown) in 10% EtOH + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 50.0 mg/mL clear EtOH stock solution to 900 μL of corn oil and mix well.


Solubility in Formulation 4: ≥ 2.5 mg/mL (5.82 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 5: 2.5 mg/mL (5.82 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 6: ≥ 2.5 mg/mL (5.82 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

Solubility in Formulation 7: ≥ 2.5 mg/mL (5.82 mM) (saturation unknown) in 5% DMSO + 40% PEG300 + 5% Tween80 + 50% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 8: 2.5 mg/mL (5.82 mM) in 5% DMSO + 95% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 9: 5% DMSO+95% Corn oil: 30 mg/mL

Solubility in Formulation 10: 8 mg/mL (18.62 mM) in Cremophor EL (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.3277 mL 11.6387 mL 23.2775 mL
5 mM 0.4655 mL 2.3277 mL 4.6555 mL
10 mM 0.2328 mL 1.1639 mL 2.3277 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Biological Data
  • GANT61

    Human prostate cancer xenograft. Proc Natl Acad Sci U S A. 2007 May 15;104(20):8455-60.
  • GANT61

    Inhibition of GLI1 DNA binding. Proc Natl Acad Sci U S A. 2007 May 15;104(20):8455-60.
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