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A1480LS

A1480LS is a peripherally restricted, orally effective covalently irreversible inhibitor of DAGLα and DAGLβ, with IC50 values of 6 nM and 4 nM for human targets, respectively, and ≤15 nM in mice, rats, dogs, monkeys, and humans.
A1480LS
A1480LS Chemical Structure Product category: Protease
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
A1480LS is a peripherally restricted, orally effective covalently irreversible inhibitor of DAGLα and DAGLβ, with IC50 values of 6 nM and 4 nM for human targets, respectively, and ≤15 nM in mice, rats, dogs, monkeys, and humans. A1480LS reduces the levels of 2-arachidonic acid glycerol, arachidonic acid, and cyclooxygenase and lipoxygenase-derived eicosate derivatives. A1480LS inhibits the production of 2-arachidonic acid glycerol and arachidonic acid induced by peripheral sciatic nerve injury and suppresses the response of high-threshold and wide dynamic range-like dorsal horn neurons to mechanical stimulation. A1480LS alleviates pain behavior in rat models of inflammatory pain, neuropathic pain, and chemotherapy-induced peripheral neuropathy.
Biological Activity I Assay Protocols (From Reference)
ln Vivo
A1480LS (1-20 mg/kg; orally; twice) produced dose-dependent relief of mechanoalgae hyperalgesia in a CFA-induced rat model of inflammatory pain by inhibiting peripheral DAGL without altering 2-AG levels in the brain, with an ED50 of 7.7 mg/kg [1]. A1480LS (15, 20 mg/kg; orally) rapidly relieved and sustained the inhibition of paclitaxel-induced mechanoalgae hyperalgesia in rats, remaining effective even after 5 days of continuous administration. In addition, it reversed and maintained CCI-induced mechanoalgae hyperalgesia in rats to the level of the sham-operated group, while restoring 2-AG and AA levels caused by sciatic nerve injury to normal without affecting the levels of these lipids in the brain [1]. A1480LS (1 mg/kg; intravenously) selectively inhibited the activity of HT and WDR-like neurons in the dorsal horn of the spinal cord in anesthetized CCI rats without affecting the activity of LTMRs, indicating that it inhibits spinal nociceptive input [1]. A1480LS (8-30 mg/kg; orally) did not affect pentylenetetrazole (PTZ)-induced epilepsy susceptibility or brain 2-AG levels in rats and was well tolerated in rats, with only a slight, transient decrease in abdominal muscle tone observed in some animals; these results suggest that it does not pose a risk of central nervous system-induced epilepsy [1].
Animal Protocol
Animal/Disease Models:Sprague Dawley mice (male, 176-206 g, paw-injected with CFA)[1]
Doses: 1 mg/kg; 2.5 mg/kg; 5 mg/kg; 10 mg/kg; 20 mg/kg
Route of Administration: Oral; Two-dose administration (2 hours before CFA injection, 24 hours after CFA injection)
Experimental Results: Four hours after the second dose, the mechanical withdrawal threshold increased in a dose-dependent manner, with an ED50 of 7.7 mg/kg. At a dose of 20 mg/kg, the mean plasma concentration reached 1.1 μM (free plasma concentration = 1.5 nM), and the EC50 for inhibiting hyperalgesia was 0.22 μM. It inhibited renal DAGLβ activity and reduced renal 2-AG concentration in a dose-dependent manner. At doses of 10 and 20 mg/kg, it caused partial inhibition of DAGLα/β in the brain, but did not lead to depletion of 2-AG in the brain.
Animal/Disease Models:Sprague Dawley mice (male, intraperitoneal injection of paclitaxel, 1 mg/kg, once daily for 5 days)[1]
Doses: 15 mg/kg (single dose; to establish a hyperalgesia model); 15 mg/kg (repeated dose; to maintain antihyperalgesia effect)
Route of Administration: Oral; single dose on day 7; once daily for 5 days (days 15-18)
Experimental Results: A single oral dose of 15 mg/kg on day 7 reduced established mechanical hyperalgesia 4 hours after administration. Repeated administration of 15 mg/kg once daily from day 15-18 maintained a significant antihyperalgesia effect for 5 days, comparable to duloxetine.
Animal/Disease Models:Sprague Dawley (male, weight 200-220 g at surgery; weight 233-289 g at administration, chronic compression injury of the left sciatic nerve) [1]
Doses: 20 mg/kg (repeated administration; reversal of hyperalgesia); 20 mg/kg (single administration; lipid analysis)
Route of Administration: Oral; once daily for 5 days (days 14-18); single administration 14 days after CCI
Experimental Results: Repeated administration of 20 mg/kg reversed hyperalgesia and restored the von Frey threshold to the sham surgery level, with efficacy comparable to naproxen and pregabalin. A single administration of 20 mg/kg reduced the concentration of 2-AG in the damaged sciatic nerve and restored the concentration of AA to normal; CCI resulted in a 7-fold increase in the concentration of 2-AG and a 2-fold increase in the concentration of AA.
Animal/Disease Models:Sprague Dawley mice (male, 250-315 g, chronic compression injury of the left sciatic nerve, right jugular vein catheter implanted) [1]
Doses: 0.1 mg/kg; 0.3 mg/kg; 1 mg/kg
Route of Administration: Intravenous injection; single bolus injection after baseline vector recording
Experimental Results: Dose-dependent high-threshold (HT) and wide dynamic range-like (WDR-like) single-cell response modulation was produced, with significant inhibition at 1 mg/kg. Low-threshold mechanoreceptor (LTMR) single-cell activity was not modulated at 1 mg/kg.
Animal/Disease Models:Sprague Dawley (male, 208-263 g, subcutaneous injection of pentylenetetrazol 80 mg/kg) [1]
Doses: 8 mg/kg; 16 mg/kg; 30 mg/kg
Route of Administration: Oral; single dose, 4 hours before pentylenetetrazol injection
Experimental Results: No changes were made to seizure latency or incidence at any of the tested doses. No changes were made to 2-AG levels in the brain after administration.
References

[1]. Suppression of pain transmission and behavior by inhibition of peripheral diacylglycerol metabolism. Cell Chem Biol. 2026;33(1):74-90.e19.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Appearance
Typically exists as solids at room temperature
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*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 : PEG300Tween 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).
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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)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL 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).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Calculator

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g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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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.

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