A limonoid with diverse biological activities
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Azadiradione

Item No. 37063

Technical Information
Formal Name
(5α,7α,13α,17α)-7-(acetyloxy)-21,23-epoxy-4,4,8-trimethyl-24-norchola-1,14,20,22-tetraene-3,16-dione
CAS Number
26241-51-0
Molecular Formula
C28H34O5
Formula Weight
Purity
≥98%
Formulation
A solid
Chloroform: Sparingly soluble: 1-10 mg/mlMethanol: Slightly soluble: 0.1-1 mg/ml
SMILES
C[C@]12C([C@]([C@]3([H])C4=COC=C4)(CC[C@]1([H])[C@@]5([C@@](C(C)(C(C=C5)=O)C)([H])C[C@H]2OC(C)=O)C)C)=CC3=O
InChi Code
InChI=1S/C28H34O5/c1-16(29)33-23-14-20-25(2,3)22(31)8-11-26(20,4)19-7-10-27(5)21(28(19,23)6)13-18(30)24(27)17-9-12-32-15-17/h8-9,11-13,15,19-20,23-24H,7,10,14H2,1-6H3/t19-,20+,23-,24-,26-,27-,28-/m1/s1
InChi Key
KWAMDQVQFVBEAU-HMWIRDDCSA-N
Origin
Synthetic
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Azadiradione is a limonoid that has been found in A. indica and has diverse biological activities.1,2,3,4,5 It inhibits heparin-induced tau aggregation by 54.2% in a cell-free assay when used at a concentration of 400 µM.2 Azadiradione inhibits the tautomerase activity of human, P. falciparum, and P. yoelii migration inhibitory factor (MIF; IC50s = 35.2, 45.6, and 43 µM, respectively).1 It is cytotoxic to HL-60 leukemia and SK-BR-3 breast cancer cells (IC50s = 14.7 and 15.9 µM, respectively) but not A549 lung, AZ-521 stomach, or CRL-1579 melanoma cells (IC50s = >20 µM for all).3 Azadiradione (10 mg/kg) decreases the mutant huntingtin aggregate load in the cortex, striatum, and hippocampus, improves motor function, and increases lifespan in the R6/2 transgenic mouse model of Huntington’s disease.4 It increases the levels of heat shock factor 1 (Hsf1), heat shock protein 70 (Hsp70), and ubiquitin-protein ligase E3A (Ube3a) in the mouse cortex and striatum in the same model. Azadiradione (10 mg/kg) also reduces blood glucose levels and α-amylase activity, as well as serum triglyceride and HDL levels, in a rat model of diabetes induced by streptozotocin (Item No. 13104).5

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Alam, A., Haldar, S., Thulasiram, H.V., et alNovel anti-inflammatory activity of epoxyazadiradione against macrophage migration inhibitory factor: Inhibition of tautomerase and proinflammatory activities of macrophage migration inhibitory factor. The Journal of Biological Chemisty 287(29), 24844-24861 (2012).

    2. Gorantla, N.V., Das, R., Chidambaram, H., et alBasic limonoid modulates chaperone-mediated proteostasis and dissolve Tau fibrils. Sci. Rep. 10(1), 4023 (2020).

    3. Kikuchi, T., Ishii, K., Noto, T., et alCytotoxic and apoptosis-inducing activities of limonoids from the seeds of Azadirachta indica (neem). J. Nat. Prod. 74(4), 866-870 (2011).

    4. Singh, B.K., Vatsa, N., Nelson, V.K., et alAzadiradione restores protein quality control and ameliorates the disease pathogenesis in a mouse model of Huntington’s disease. Mol. Neurobiol. 55(8), 6337-6346 (2018).

    5. Ramkumar, S., Thulasiram, H.V., and RaviKumar, A. Improvement in serum amylase and glucose levels in diabetic rats on oral administration of bisdemethoxycurcumin from Curcuma longa and limonoids from Azadirachta indica. J. Food Biochem. 45(4), e13674 (2021).