α-Mangostin (α-Mangostin) suppresses IDH1-R132H but not IDH1. IDH1-R132H is inhibited by α-Mangostin (α-Mangostin). According to studies, the strongest core flipped structure is seen in α-Mangostin (α-Mangostin). α-Mangostin (α-Mangostin) preferentially stimulates the demethylation of trimethylated lysine residues in histone H3 and 5-methylcellulose (5mC) in IDH1 (+/R132H) MCF10A cells [1]. Cell proliferation was markedly and dose-dependently inhibited in cells treated with α-mangostin. Additionally, α-Mangosteen raises mitochondrial caspase-9, mitochondrial caspase-3, mitochondrial poly(ADP-ribose) polymerase (PARP), and pigmentogen Bax levels [2]. α-Mangostin (α-Mangostin) notably reduces fotoThe production of reactive oxygen species (ROS) and malondialdehyde (MDA) caused by light is inhibited by α-Mangostin (α-Mangostin) at 200 μM H2O2[3].

By decreasing p53 expression in comparison to TAA_DMSO therapy, α-Mangostin (α-Mangostin) lowers the risk of liver fibrosis. Compared to DMSO alone, the therapy with α-Mangostin resulted in lower serum levels of the liver enzymes AST and ALT [4].

Interactions
Altered membrane integrity and inflammation play a key role in cardiovascular damage. /The authors/ investigated the salubrious effect of exogenously administered alpha-mangostin against beta-adrenergic cathecolamine-induced cardiovascular toxicity with special reference to membrane ATPases, lysosomal hydrolases and inflammatory mediators TNF-alpha and Cyclooxygenase-2 (COX-2) expressions in albino rats. Induction of rats with isoproterenol (150 mg/kg body wt, ip) for 2 days resulted in a significant increase in the activities of serum and cardiac lysosomal hydrolases (beta-d-glucuronidase, beta-d-galactosidase, beta-d-N-acetylglucosaminidase, acid phosphatase and cathepsin-D). A significant increase in cardiac levels of sodium, calcium with a decrease in the level of potassium paralleled by abnormal activities of membrane-bound phosphatases (Na(+)-K(+) ATPase, Ca(2+) ATPase and Mg(2+) ATPase) were observed in the heart of ISO-administered rats. Cardiac TNF-alpha and COX-2 expressions were assessed by Western blotting. Cardiac TNF-alpha and COX-2 expressions were significantly elevated in ISO-intoxicated rats. Pre-co-treatment with alpha-mangostin (200mg/kg body wt.) orally for 8 days significantly attenuated these abnormalities and restored the levels to near normalcy when compared to ISO intoxicated group of rats. In conclusion, alpha-mangostin preserves the myocardial membrane integrity and extenuates anomalous TNF-alpha and COX-2 expressions by mitigating ISO-induced oxidative stress and cellular damage effectively. Restoration of cellular normalcy accredits the cytoprotective role of alpha-mangostin.
Cisplatin (CDDP) is a chemotherapeutic agent that produces nephrotoxicity associated with oxidative/nitrosative stress. alpha-Mangostin (alpha-M) is a xanthone extracted from mangosteen with antioxidant and anti-inflammatory properties. The purpose of this study was to evaluate the renoprotective effect of alpha-M on the CDDP-induced nephrotoxicity. alpha-M was administered (12.5 mg/kg/day, i.g.) for 10 days (7 days before and 3 days after CDDP injection). On day 7, rats were treated with a single injection of CDDP (7.5 mg/Kg, i.p.); 3 days after the rats were killed. alpha-M attenuated renal dysfunction, structural damage, oxidative/nitrosative stress, decrease in catalase expression and increase in mRNA levels of tumour necrosis factor alpha and transforming growth factor beta. In conclusion the renoprotective effect of alpha-M on CDDP-induced nephrotoxicity was associated with the attenuation in oxidative/nitrosative stress and inflammatory and fibrotic markers and preservation of catalase activity.
alpha-Mangostin, isolated from the stem bark of Garcinia mangostana L., was found to be active against vancomycin resistant Enterococci (VRE) and methicillin resistant Staphylococcus aureus (MRSA), with minimum inhibitory concentration (MIC) values of 6.25 and 6.25 to 12.5 ug/mL, respectively. Our studies showed synergism between alpha-mangostin and gentamicin (GM) against VRE, and alpha-mangostin and vancomycin hydrochloride (VCM) against MRSA. Further studies showed partial synergism between alpha-mangostin and commercially available antibiotics such as ampicillin and minocycline. These findings suggested that alpha-mangostin alone or in combination with GM against VRE and in combination with VCM against MRSA might be useful in controlling VRE and MRSA infections.

[1]. Discovery of α-mangostin as a novel competitive inhibitor against mutant isocitrate dehydrogenase-1. Bioorg Med Chem Lett. 2015 Dec 1;25(23):5625-31.

[2]. Antitumor and apoptosis-inducing effects of α-mangostin extracted from the pericarp of the mangosteen fruit (Garcinia mangostana L.) in YD-15 tongue mucoepidermoid carcinoma cells. Int J Mol Med. 2016 Apr;37(4):939-48.

Alpha-mangostin is a member of the class of xanthones that is 9H-xanthene substituted by hydroxy group at positions 1, 3 and 6, a methoxy group at position 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antioxidant, antimicrobial and antitumour activities. It has a role as an antineoplastic agent, an antimicrobial agent, an antioxidant and a plant metabolite. It is a member of xanthones, a member of phenols and an aromatic ether.
Mangostin is a plant/plant extract used in some OTC (over-the-counter) products. It is not an approved drug.
alpha-Mangostin has been reported in Garcinia cowa, Garcinia merguensis, and other organisms with data available.
See also: Garcinia mangostana fruit rind (part of).

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Therapeutic Uses
*Xanthones; Protein Kinase Inhibitors
/EXPERIMENTAL THERAPY/The mangosteen fruit has a long history of medicinal use in Chinese and Ayurvedic medicine. Recently, the compound a-mangostin, which is isolated from the pericarp of the fruit, was shown to induce cell death in various types of cancer cells in in vitro studies. This led us to investigate the antitumor growth and antimetastatic activities of a-mangostin in an immunocompetent xenograft model of mouse metastatic mammary cancer having a p53 mutation that induces a metastatic spectrum similar to that seen in human breast cancers. Mammary tumors, induced by inoculation of BALB/c mice syngeneic with metastatic BJMC3879luc2 cells, were subsequently treated with a-mangostin at 0, 10 and 20 mg/kg/day using mini-osmotic pumps and histopathologically examined. To investigate the mechanisms of antitumor ability by a-mangostin, in vitro studies were also conducted. Not only were in vivo survival rates significantly higher in the 20 mg/kg/day a-mangostin group versus controls, but both tumor volume and the multiplicity of lymph node metastases were significantly suppressed. Apoptotic levels were significantly increased in the mammary tumors of mice receiving 20 mg/kg/day and were associated with increased expression of active caspase-3 and -9. Other significant effects noted at this dose level were decreased microvessel density and lower numbers of dilated lymphatic vessels containing intraluminal tumor cells in mammary carcinoma tissues. In vitro, a-mangostin induced mitochondria-mediated apoptosis and G1-phase arrest and S-phase suppression in the cell cycle. Since activation by Akt phosphorylation plays a central role in a variety of oncogenic processes, including cell proliferation, anti-apoptotic cell death, angiogenesis and metastasis, we also investigated alterations in Akt phosphorylation induced by a-mangostin treatment both in vitro and in vivo. Quantitative analysis and immunohistochemistry showed that a-mangostin significantly decreased the levels of phospho-Akt-threonine 308 (Thr308), but not serine 473 (Ser473), in both mammary carcinoma cell cultures and mammary carcinoma tissues in vivo. Since lymph node involvement is the most important prognostic factor in breast cancer patients, the antimetastatic activity of a-mangostin as detected in mammary cancers carrying a p53 mutation in the present study may have specific clinical applications. In addition, a-mangostin may have chemopreventive benefits and/or prove useful as an adjuvant therapy, or as a complementary alternative medicine in the treatment of breast cancer.
/EXPERIMENTAL THERAPY/This study was conducted to examine the activity of alpha-mangostin against Candida albicans, the most important microorganism implicated in oral candidiasis. Its activity was compared to Clotrimazole and Nystatin. Results showed that alpha-mangostin was effective against C. albicans, the minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) were 1,000 and 2,000 ug/mL, respectively. The C. albicans killing activity of alpha-mangostin was more effective than Clotrimazole and Nystatin. The cytotoxicity of alpha-mangostin was determined and it was found that alpha-mangostin at 4,000 ug/mL was not toxic to human gingival fibroblast for 480 min. The strong antifungal activity and low toxicity of alpha-mangostin make it a promising agent for treatment of oral candidiasis.
/EXPERIMENTAL THERAPY/ Alzheimer's disease (AD) is a progressive neurodegenerative disease characterized by the accumulation of beta-sheet-rich amyloid oligomers or fibrils which are associated with cellular toxicity in the brain. Inhibition of Abeta aggregation could be a viable therapeutic strategy for slowing and/or preventing the progress of AD. Here /the authors/ reported that a-mangostin (a-M), a polyphenolic xanthone derivative from mangosteen, concentration-dependently attenuated the neurotoxicity induced by Abeta-(1-40) or Abeta-(1-42) oligomers (EC(50) = 3.89 nM, 4.14 nM respectively) as observed by decreased cell viability and impaired neurite outgrowth in primary rat cerebral cortical neurons. Molecular docking and dynamics simulations demonstrated that a-M could potentially bind to Abeta and stabilize alpha-helical conformation. a-M was found to directly dissociate Abeta-(1-40) and Abeta-(1-42) oligomers by blotting with oligomer-specific antibodies. ThioflavinT fluorescence assay and electron microscopy imaging further demonstrated that a-M blocked the fibril formation as well as disturbed the pre-formed fibrils. Taken together, /these/ results indicate that a-M is capable /of/ inhibiting and dissociating the Abeta aggregation, which could contribute to its effect of attenuating Abeta oligomers-induced neurotoxicity. Thus, a-M could be a great potential candidate for AD treatment...

C24H26O6

410.4596

410.172

C, 70.23; H, 6.38; O, 23.39

6147-11-1

beta-Mangostin; 20931-37-7

5281650

Yellow solid solid

1.3±0.1 g/cm3

640.1±55.0 °C at 760 mmHg

182ºC

220.3±25.0 °C

0.0±2.0 mmHg at 25°C

1.624

5.45

3

6

5

30

677

0

O1C2C([H])=C(C(C([H])([H])/C(/[H])=C(\C([H])([H])[H])/C([H])([H])[H])=C(C=2C(C2=C1C([H])=C(C(=C2C([H])([H])/C(/[H])=C(\C([H])([H])[H])/C([H])([H])[H])OC([H])([H])[H])O[H])=O)O[H])O[H]

GNRIZKKCNOBBMO-UHFFFAOYSA-N

InChI=1S/C24H26O6/c1-12(2)6-8-14-16(25)10-19-21(22(14)27)23(28)20-15(9-7-13(3)4)24(29-5)17(26)11-18(20)30-19/h6-7,10-11,25-27H,8-9H2,1-5H3

1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methylbut-2-enyl)xanthen-9-one

NSC 27593; NSC 139154; NSC 30552; Alpha-Mangostin; NSC27593; NSC139154; NSC30552

2934.99.9001

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

DMSO : ~110 mg/mL (~267.99 mM)
H2O : < 0.1 mg/mL

Solubility in Formulation 1: ≥ 2.75 mg/mL (6.70 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 27.5 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

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