3-Methyladenine (Synonyms: 3-MA) |
Catalog No.GC10710 |
3-Methyladenine est un inhibiteur classique de l'autophagie.
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 5142-23-4
Sample solution is provided at 25 µL, 10mM.
- Phytother Res 37.1 (2023):211-230.PMID:36086852
- Acta Pharmacol Sin (2024):1-14.PMID:38992120
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- Bba Mol Basis Dis (2023):166887.
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3-Methyladenine est un inhibiteur classique de l'autophagie. Il inhibe la phosphatidylinositol 3-kinase (PI3K), qui se trouve en amont de la voie IGF/PI3K/mTOR/ULK. 3-Méthyladénine peut induire une diminution cohérente et brutale de la viabilité cellulaire dans une série de lignées cellulaires humaines ontologiquement non liées. De plus, la cytotoxicité induite par 3-Méthyladénine n'était pas liée à l'inhibition de l'axe AKT/mTOR.
Une étude in vitro a indiqué que l'inhibition de l'autophagie par 3-Méthyladénine abolissait la différenciation induite par l'acide urique des fibroblastes rénaux en myofibroblastes et l'activation des voies de signalisation TGF-β1, EGFR et Wnt dans des fibroblastes interstitiels rénaux cultivés. De plus, 3-Méthyladénine était efficace pour atténuer la déposition de protéines de matrice extracellulaire (ECM) rénale et l'expression de l'α-actine musculaire lisse (α-SMA), tout en réduisant les cellules épithéliales rénales arrêtées au stade G2/M du cycle cellulaire.
Une étude in vivo a démontré que l'administration de 3-Méthyladénine inhibait les voies de signalisation Wnt/β-caténine et Notch/Jagged-1, ainsi que supprime la voie de signalisation EGFR/ERK1/2. De plus, le traitement par 3-MA inhibait de manière remarquable l'infiltration des macrophages et des lymphocytes, ainsi que la libération de multiples cytokines/chemokines profibrogéniques dans le rein blessé.
References:
[1]. Yang F, et al. Rapamycin and 3-Methyladenine Influence the Apoptosis, Senescence, and Adipogenesis of Human Adipose-Derived Stem Cells by Promoting and Inhibiting Autophagy: An In Vitro and In Vivo Study. Aesthetic Plast Surg. 2021 Jun;45(3):1294-1309.
[2].Chicote J, et al. Cell Death Triggered by the Autophagy Inhibitory Drug 3-Methyladenine in Growing Conditions Proceeds With DNA Damage. Front Pharmacol. 2020 Oct 15;11:580343.
[3].Bao J, et al. Pharmacological inhibition of autophagy by 3-MA attenuates hyperuricemic nephropathy. Clin Sci (Lond). 2018 Nov 2;132(21):2299-2322.
Expériences cellulaires [1]: | |
Lignées cellulaires | Fibroblastes interstitiels rénaux de rat (NRK-49F) |
Méthode de préparation | Les fibroblastes interstitiels rénaux de rat (NRK-49F) ont été cultivés dans du DMEM avec F12 contenant 10 % de FBS, 1 % de pénicilline et de streptomycine, dans une atmosphère de 5 % de CO2 et 95 % d'air à 37 °C. Les cellules ont été privées de nutriments pendant 24 heures avec du DMEM contenant 0,5 % de FBS. |
Conditions de réaction | Les cellules ont été exposées à l'acide urique (800 μM) pendant 36 heures en présence ou en absence de 3-Méthyladénine (0–10 mM). |
Domaines d'application | La 3-Méthyladénine pouvait abolir l'expression de l'α-SMA et du collagène I induite par l'acide urique. L'acide urique a également déclenché une régulation significative à la hausse de LC3II/I et de Beclin-1. La 3-Méthyladénine a supprimé ces réponses de manière dose-dépendante. De plus, le traitement par 3-MA a diminué les niveaux d'expression de TGF-βRI et le ratio de p-Smad3/Smad3 de manière dose-dépendante. |
Expériences animales [2]: | |
Modèles animaux | Rats mâles Sprague-Dawley (SD) (2 mois; poids 200 ± 20 g) |
Méthode de préparation | Les rats ont été maintenus dans un cycle lumineux/nocturne de 12 heures et avaient accès à de la nourriture et de l'eau ad libitum. Tous les rats ont été préentraînés à nager sans charge pendant une semaine. Le groupe traité avec du sérum physiologique a reçu une injection intraveineuse de 500 μL de sérum physiologique stérile à l'aide d'une aiguille de calibre 26 1/2 par la veine caudale; le groupe traité avec 3-MA a reçu une injection intraveineuse de 500 μL de 3-Méthyladénine à l'aide d'une aiguille de calibre 26 1/2 par la veine caudale. |
Forme de dosage | 15 mg/kg |
Domaines d'application | La 3-Méthyladénine pouvait diminuer la distorsion des fibres myocardiques ainsi que réduire significativement la largeur des cardiomyocytes des souris. De plus, le traitement par 3-Méthyladénine a réduit de manière évidente la formation d'autophagosomes dans le myocarde. La 3-Méthyladénine pouvait également prévenir la réduction de Bcl-2/Bax dans le ventricule gauche des rats OE. |
Références : [1]. Bao J, et al. Pharmacological inhibition of autophagy by 3-MA attenuates hyperuricemic nephropathy. Clin Sci (Lond). 2018 Nov 2;132(21):2299-2322. [2]. Liu H, et al. Autophagy inhibitor 3-methyladenine alleviates overload-exercise-induced cardiac injury in rats. Acta Pharmacol Sin. 2017 Jul;38(7):990-997. |
Cas No. | 5142-23-4 | SDF | |
Synonymes | 3-MA | ||
Chemical Name | 3-methylpurin-6-amine | ||
Canonical SMILES | CN1C=NC(=C2C1=NC=N2)N | ||
Formula | C6H7N5 | M.Wt | 149.15 |
Solubility | ≥ 7.45mg/mL in DMSO, ≥ 5mg/mL in Water | Storage | Store at 2-8°C,Solutions of 3-MA are best fresh-prepared |
General tips | Please select the appropriate solvent to prepare the stock solution according to the
solubility of the product in different solvents; once the solution is prepared, please store it in
separate packages to avoid product failure caused by repeated freezing and thawing.Storage method
and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored
at -20°C, please use it within 1 month. To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time. |
||
Shipping Condition | Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request. |
Prepare stock solution | |||
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1 mg | 5 mg | 10 mg |
1 mM | 6.7047 mL | 33.5233 mL | 67.0466 mL |
5 mM | 1.3409 mL | 6.7047 mL | 13.4093 mL |
10 mM | 0.6705 mL | 3.3523 mL | 6.7047 mL |
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Quality Control & SDS
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- Purity: >96.00%
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