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5mg |
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10mg |
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25mg |
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50mg |
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100mg |
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Purity: ≥98%
ATI-2341 (ATI2341), a pepducin targeting the C-X-C chemokine receptor type 4 (CXCR4), is a novel and selective allosteric agonist of CXCR4 with anti-inflammatory and anticancer activity. It causes the production of cAMP to be inhibited and calcium mobilization to be induced by activating the inhibitory heterotrimeric G protein (Gi). In CXCR4-HEK cells, ATI-2341 could dose-dependently block NKH477-induced cAMP accumulation, but it had no effect on HEK-293 parental cells that were naive. The ability of ATI-2341 to inhibit cAMP accumulation was totally eliminated when CXCR4-HEK cells were pretreated with pertussis toxin. In addition, ATI-2341 may cause a dose-dependent rise in intracellular calcium in wild-type CXCR4-transfected cells while having no effect on untransfected cells.
Targets |
CXCR4 ( EC50 = 194 nM )
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ln Vitro |
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ln Vivo |
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Enzyme Assay |
ATI-2341 is a potent and functionally selective allosteric agonist of C-X-C chemokine receptor type 4 (CXCR4), acting as a biased ligand that prefers Gαi activation over Gα13. ATI-2341 activates the inhibitory heterotrimeric G protein (Gi) to encourage the inhibition of cAMP production and to cause calcium mobilization.
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Cell Assay |
CXCR4-eGFP receptors are transiently transfected into HEK-293 cells, and 24 hours after transfection, the cells are plated on poly-D-lysine-coated glass coverslips. The cells are treated with either vehicle alone or different concentrations of ATI-2341 for 30 minutes at 37 degrees Celsius the following day. They are then fixed with methanol for 5 minutes at -20 degrees Celsius. An inverted Zeiss Axiovert microscope is used to directly visualize GFP fluorescence. Adobe Illustrator and Photoshop are used for image processing.
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Animal Protocol |
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References |
Molecular Formula |
C104H178N26O25S2
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Molecular Weight |
2256.82
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Exact Mass |
2256.29
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CAS # |
1337878-62-2
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Related CAS # |
ATI-2341 TFA
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SMILES |
CCCCCCCCCCCCCCCC(=O)N[C@@H](CCSC)C(=O)NCC(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCSC)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC2=CC=C(C=C2)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(C)C)C(=O)O
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InChi Key |
YMLOFEANRZSEGQ-QNHYGVTPSA-N
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InChi Code |
InChI=1S/C104H178N26O25S2/c1-9-10-11-12-13-14-15-16-17-18-19-20-21-35-84(136)116-75(46-53-156-7)88(140)115-60-85(137)117-78(57-65-36-40-67(133)41-37-65)97(149)123-74(44-45-83(108)135)94(146)119-69(30-22-25-48-105)89(141)118-70(31-23-26-49-106)90(142)125-77(55-62(2)3)96(148)121-73(34-29-52-114-104(111)112)93(145)129-82(61-131)100(152)124-76(47-54-157-8)95(147)130-87(64(6)132)101(153)127-80(59-86(138)139)99(151)120-71(32-24-27-50-107)91(143)126-79(58-66-38-42-68(134)43-39-66)98(150)122-72(33-28-51-113-103(109)110)92(144)128-81(102(154)155)56-63(4)5/h36-43,62-64,69-82,87,131-134H,9-35,44-61,105-107H2,1-8H3,(H2,108,135)(H,115,140)(H,116,136)(H,117,137)(H,118,141)(H,119,146)(H,120,151)(H,121,148)(H,122,150)(H,123,149)(H,124,152)(H,125,142)(H,126,143)(H,127,153)(H,128,144)(H,129,145)(H,130,147)(H,138,139)(H,154,155)(H4,109,110,113)(H4,111,112,114)/t64-,69+,70+,71+,72+,73+,74+,75+,76+,77+,78+,79+,80+,81+,82+,87+/m1/s1
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Chemical Name |
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-5-amino-2-[[(2S)-2-[[2-[[(2S)-2-(hexadecanoylamino)-4-methylsulfanylbutanoyl]amino]acetyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-5-oxopentanoyl]amino]hexanoyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-carboxypropanoyl]amino]hexanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-5-carbamimidamidopentanoyl]amino]-4-methylpentanoic acid
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Synonyms |
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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Solubility (In Vitro) |
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Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 :Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400  (Please use freshly prepared in vivo formulations for optimal results.) |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 0.4431 mL | 2.2155 mL | 4.4310 mL | |
5 mM | 0.0886 mL | 0.4431 mL | 0.8862 mL | |
10 mM | 0.0443 mL | 0.2216 mL | 0.4431 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.
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.
Identification and characterization of the CXCR4 agonist, ATI-2341. Proc Natl Acad Sci U S A . 2010 Dec 21;107(51):22255-9. td> |
In vivo agonist activity of ATI-2341. Proc Natl Acad Sci U S A . 2010 Dec 21;107(51):22255-9. td> |
ATI-2341 induces mobilization of PMNs and CFU-GM but not lymphocytes. Proc Natl Acad Sci U S A . 2010 Dec 21;107(51):22255-9. td> |
ATI-2341 induces PMN mobilization of PMNs but not lymphocytes in non-human primates. Proc Natl Acad Sci U S A . 2010 Dec 21;107(51):22255-9. td> |