ECS modulator (research)
UnscheduledWWL70
[4-(4-carbamoylphenyl)phenyl] N-methyl-N-[(3-pyridin-4-ylphenyl)methyl]carbamate
Aliases.WWL-70
Synthetic ABHD6 inhibitor: it slows a secondary route of 2-AG degradation. A laboratory tool.
Updated on
Level of detail
Harm-reduction warning
No characterised human dose: animal / in vitro data only. Effect profile, safety margin and acute toxicity are not documented in human clinical practice. Extremely potent compound: severe effects, seizures and deaths reported in the literature.
Identifiers
- Formula
- C₂₇H₂₃N₃O₃
- Molar mass
- 437.50 g·mol⁻¹
- CAS
- -
- PubChem CID
- 17759121
- First described
- Décrit en 2007 par Weiwei Li, Jacqueline Blankman et Benjamin Cravatt, au Scripps Research Institute, dans un travail de protéomique fonctionnelle publié au Journal of the American Chemical Society. Une bibliothèque de carbamates a été criblée contre le protéome des sérine hydrolases par profilage d'activité compétitif, ce qui a permis d'isoler WWL70 comme inhibiteur d'une hydrolase alors mal caractérisée, ABHD6. Sa place dans la signalisation du 2-arachidonoylglycérol a été établie en 2010 par les équipes de Nephi Stella et de Benjamin Cravatt.
- Origin
- A synthetic molecule, absent from cannabis and from every living organism. WWL70 exists solely as a laboratory reagent, supplied to research teams to study endocannabinoid metabolism. It enters into no medicine, no food supplement and no consumer product.
- InChIKey
- QTWNORFUQILKJL-UHFFFAOYSA-N
In plain terms
WWL70 is a molecule made in a laboratory, entirely absent from hemp. It blocks a human enzyme that destroys 2-AG, a cannabinoid the body produces itself, which lets the latter act a little longer where it is released. It has never been administered to human beings and is found in no consumer product.
Receptors and activity
- ABHD6IC50 proche de 70 nM en profilage d'activité compétitif ; environ 285 nM sur ABHD6 humaine recombinante avec substrat fluorogèneModulator
- CB1Modulator
- CB2Modulator
- COX-2 / prostaglandine E synthasesModulator
- MAGLModulator
- Agonist
- Partial agonist
- Antagonist
- Modulator
- Inverse agonist
Hover over a row for the precise value (Ki, EC50…)
Subjective signature
Hover over an axis to read its definition.
- Calm5
- Clarity5
- Sleep5
- Appetite5
- High5
Editorial estimate, not clinical.
Pharmacology
WWL70 is a carbamate that covalently inhibits alpha/beta-hydrolase domain 6 (ABHD6), a membrane serine hydrolase responsible for a minor but strategically placed fraction of the degradation of 2-arachidonoylglycerol. Competitive activity-based profiling puts its IC50 at around 70 nM at ABHD6, a value measured at about 285 nM at the recombinant human enzyme with a fluorogenic substrate; at these concentrations monoacylglycerol lipase, which carries out most of the hydrolysis of brain 2-AG, is untouched. Blocking ABHD6 therefore does not alter the global 2-AG pool, unlike inhibition of MAGL, but lets 2-AG accumulate in a manner dependent on neuronal activity: this is enough to bring about a CB1-dependent long-term depression in the cortex and to strengthen the CB2 responses of immune cells. WWL70 itself does not interact directly with CB1 or with CB2. Interpretation calls for caution: in mice, its anti-inflammatory and antinociceptive effects persist in the presence of cannabinoid antagonists and are reproduced neither by knockout of the ABHD6 gene nor by other inhibitors of the same enzyme, the molecule also lowering the expression of cyclooxygenase 2 and of the prostaglandin E synthases. A re-evaluation published in 2018 concludes that the benefit attributed to ABHD6 blockade in demyelination models remains modest and partly off-target. Human data are entirely lacking.
Key sources.
- Li W, Blankman JL, Cravatt BF. A functional proteomic strategy to discover inhibitors for uncharacterized hydrolases. J Am Chem Soc. 2007 (identification de WWL70 comme inhibiteur d'ABHD6)PMID 17629278
- Marrs WR et al. The serine hydrolase ABHD6 controls the accumulation and efficacy of 2-AG at cannabinoid receptors. Nat Neurosci. 2010PMID 20657592
- Cao JK, Kaplan J, Stella N. ABHD6: its place in endocannabinoid signaling and beyond. Trends Pharmacol Sci. 2019PMID 30853109
- Alhouayek M et al. Implication of the anti-inflammatory bioactive lipid prostaglandin D2-glycerol ester in the control of macrophage activation and inflammation by ABHD6. PNAS. 2013PMID 24101490
- Tanaka M et al. WWL70 attenuates PGE2 production derived from 2-arachidonoylglycerol in microglia by ABHD6-independent mechanism. J Neuroinflammation. 2017PMID 28086912
- Wen J et al. WWL70 protects against chronic constriction injury-induced neuropathic pain in mice by cannabinoid receptor-independent mechanisms. J Neuroinflammation. 2018PMID 29310667
- Re-examining the potential of targeting ABHD6 in multiple sclerosis. Neuropharmacology. 2018 (effets hors cible de WWL70, bénéfice modeste)PMID 30171986
- Biochemical and proteomic characterization of recombinant human alpha/beta hydrolase domain 6. Sci Rep. 2019 (IC50 de WWL70 sur ABHD6 humaine)PMID 30696836
- Tchantchou F, Zhang Y. Selective inhibition of alpha/beta-hydrolase domain 6 attenuates neurodegeneration in a mouse model of traumatic brain injury. J Neurotrauma. 2013PMID 23151067
- PubChem, composé CID 17759121 (WWL70), noms et identifiants
Origin (research tool)
No natural biosynthetic pathway: WWL70 is a purely synthetic compound, obtained by carbamate chemistry from a biphenyl phenol. It does not derive from cannabigerol and is produced by no plant or animal.
Legal framework
France
WWL70 is named in no French classification text. It does not appear in annex IV of the decree of 22 February 1990, which covers tetrahydrocannabinols, their esters, ethers, salts as well as the salts of the aforementioned derivatives: WWL70 being neither a tetrahydrocannabinol nor an ester or ether of THC, this generic clause does not cover it. It therefore falls in the position of substances unclassified as narcotics, and not under a nominative classification by the ANSM. This absence of classification does not make it consumable for all that: without a marketing authorisation, without food assessment and without a human safety dossier, placing it on sale for human use would remain unlawful on other grounds. It circulates lawfully only as a chemical product intended for research.
European Union
WWL70 appears neither in the international conventions on narcotic and psychotropic substances, nor among the new psychoactive substances that have been the subject of control measures at Union level. It has not been assessed by the World Health Organization expert committee and corresponds to no medicine authorised by the European Medicines Agency. Its practical status is that of a laboratory chemical, subject to the general rules applicable to chemical substances and their labelling, and not to the narcotics regulations.
Sources: EUR-Lex, UNODC, CND, ANSM, IUPHAR/BPS, ChEBI, EUDA. Our method.
Structural classification
- Class
- ECS modulator (research)
- Origin
- A synthetic molecule, absent from cannabis and from every living organism. WWL70 exists solely as a laboratory reagent, supplied to research teams to study endocannabinoid metabolism. It enters into no medicine, no food supplement and no consumer product.
- Status
- Unscheduled
Carbamate biaryle entièrement synthétique : un motif biphényle portant une fonction carboxamide, estérifié en carbamate N-méthylé dont l'azote porte un groupe benzyle substitué par une pyridine. Aucune parenté structurale avec les cannabinoïdes du chanvre, qui reposent sur un squelette terpénophénolique.
Pharmacokinetics
Les paramètres pharmacocinétiques de WWL70 n'ont pas été publiés : ni biodisponibilité, ni demi-vie plasmatique, ni rapport de concentration entre cerveau et plasma. Ce que la littérature établit reste indirect : administré par voie intrapéritonéale chez le rongeur, il inhibe l'activité ABHD6 dans le système nerveux central, ce qui suppose un passage de la barrière hémato-encéphalique. Comme les autres carbamates de cette série, il agit de façon covalente, si bien que la durée de l'effet dépend du renouvellement de l'enzyme plutôt que de l'élimination du composé. Aucune donnée humaine n'existe.
Metabolism
Le devenir métabolique de WWL70 n'a pas été caractérisé. Le mécanisme d'inhibition transfère la fonction carbamate sur la sérine catalytique de l'enzyme cible et libère le phénol biphénylique comme groupe partant, mais aucune étude n'a identifié les métabolites circulants ni les enzymes de phase I et de phase II impliquées. Les voies de conjugaison et d'excrétion restent inconnues.
Toxicology and risks
Aucune étude de toxicologie réglementaire n'a été conduite sur WWL70 : pas de dose sans effet nocif observé, pas de toxicité à doses répétées, pas de génotoxicité, pas d'évaluation de la reproduction. Les publications précliniques ne signalent pas d'effet indésirable manifeste chez des rongeurs traités plusieurs jours de suite, mais ces protocoles ne visaient pas à détecter une toxicité et portent sur de petits effectifs. Deux réserves comptent : la molécule agit par acylation covalente, un mécanisme qui expose à des réactions avec d'autres sérine hydrolases, et ses effets hors cible sur la voie des prostaglandines sont établis. Aucune donnée humaine n'est disponible, et aucun usage humain n'est justifié.
Detection and analysis
Aucune méthode analytique dédiée à WWL70 n'a été publiée en toxicologie médico-légale, et le composé n'apparaît pas dans les bibliothèques spectrales de routine. Il n'est pas recherché par les dépistages cannabinoïdes, qui ciblent le THC et ses métabolites, et un immunoessai cannabinoïde ne le détecterait pas. En recherche, son action est suivie indirectement par profilage d'activité des sérine hydrolases et par dosage du 2-arachidonoylglycérol en chromatographie liquide couplée à la spectrométrie de masse, plutôt que par dosage du composé lui-même.
References
- 1.Li W, Blankman JL, Cravatt BF. A functional proteomic strategy to discover inhibitors for uncharacterized hydrolases. J Am Chem Soc. 2007 (identification de WWL70 comme inhibiteur d'ABHD6)PMID 17629278
- 2.Marrs WR et al. The serine hydrolase ABHD6 controls the accumulation and efficacy of 2-AG at cannabinoid receptors. Nat Neurosci. 2010PMID 20657592
- 3.Cao JK, Kaplan J, Stella N. ABHD6: its place in endocannabinoid signaling and beyond. Trends Pharmacol Sci. 2019PMID 30853109
- 4.Alhouayek M et al. Implication of the anti-inflammatory bioactive lipid prostaglandin D2-glycerol ester in the control of macrophage activation and inflammation by ABHD6. PNAS. 2013PMID 24101490
- 5.Tanaka M et al. WWL70 attenuates PGE2 production derived from 2-arachidonoylglycerol in microglia by ABHD6-independent mechanism. J Neuroinflammation. 2017PMID 28086912
- 6.Wen J et al. WWL70 protects against chronic constriction injury-induced neuropathic pain in mice by cannabinoid receptor-independent mechanisms. J Neuroinflammation. 2018PMID 29310667
- 7.Re-examining the potential of targeting ABHD6 in multiple sclerosis. Neuropharmacology. 2018 (effets hors cible de WWL70, bénéfice modeste)PMID 30171986
- 8.Biochemical and proteomic characterization of recombinant human alpha/beta hydrolase domain 6. Sci Rep. 2019 (IC50 de WWL70 sur ABHD6 humaine)PMID 30696836
- 9.Tchantchou F, Zhang Y. Selective inhibition of alpha/beta-hydrolase domain 6 attenuates neurodegeneration in a mouse model of traumatic brain injury. J Neurotrauma. 2013PMID 23151067
- 10.PubChem, composé CID 17759121 (WWL70), noms et identifiants
Structured data
- InChIKey
- QTWNORFUQILKJL-UHFFFAOYSA-N
- SMILES
- CN(CC1=CC(=CC=C1)C2=CC=NC=C2)C(=O)OC3=CC=C(C=C3)C4=CC=C(C=C4)C(=O)N
- Formula
- C27H23N3O3
- Molar mass
- 437.50 g·mol⁻¹
- PubChem CID
- 17759121
LLM ingestion format: a structured superset of the entry (identifiers, binding, versioned legal status). Full corpus.