3-O-Acetyloleanolic acid

3-O-Acetyloleanolic acid
Product Name 3-O-Acetyloleanolic acid
CAS No.: 4339-72-4
Catalog No.: CFN98668
Molecular Formula: C32H50O4
Molecular Weight: 498.8 g/mol
Purity: >=98%
Type of Compound: Triterpenoids
Physical Desc.: Powder
Targets: Caspase | VEGFR
Source: The herbs of Phytolacca americana
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: $188/10mg
3-O-Acetyloleanolic acid exhibits anti-angiogenic effects, it inhibits proliferation, migration and tube formation of umbilical vein endothelial cells (HUVECs) in a dose-dependent manner; it can inhibit VEGF-A-induced lymphangiogenesis and lymph node metastasis in an oral squamous cell carcinoma animal model. 3-O-Acetyloleanolic acid has antihyperglycemic activity, it shows a significant decrease in the glucose level of STZ-induced diabetic rats.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Biotechnol Lett. 2013 Nov;35(11):1807-15.
    3-O-Acetyloleanolic acid exhibits anti-angiogenic effects and induces apoptosis in human umbilical vein endothelial cells.[Pubmed: 23801119]
    3-O-Acetyloleanolic acid, a pentacyclic triterpenoid isolated from cowpea seeds, inhibited proliferation, migration and tube formation of human umbilical vein endothelial cells (HUVECs) in a dose-dependent manner. HUVECs.
    METHODS AND RESULTS:
    The induced apoptosis was characterized by detection of cell surface annexin V and sub-G1 populations. The number of cells immunostained with annexin V-fluorescein isothiocyanate increased after treatment with 3-O-Acetyloleanolic acid. The sub-G1 cell populations were also increased in treated HUVECs. 3-O-Acetyloleanolic acid induced activation of caspase 3, a critical mediator of apoptosis signaling. It also significantly inhibited angiogenesis in an in vivo Matrigel plug assay.
    CONCLUSIONS:
    3-O-Acetyloleanolic acid thus exhibits anti-angiogenic effects and induces apoptosis in HUVECs and the results suggest that it has a potential use for suppression of the tumor growth stimulated by angiogenesis.
    J Nat Prod. 2006 Dec;69(12):1687-91.
    Antihyperglycemic activity and chemical constituents of Eysenhardtia platycarpa.[Pubmed: 17190443]
    The methanolic extracts from branches (BEP) and leaves (LEP) of Eysenhardtia platycarpa significantly decreased the blood glucose levels in normal and streptozotocin (STZ)-induced diabetic rats.
    METHODS AND RESULTS:
    One new flavone, (1"R)-5,4',1"-trihydroxy-6,7-(3",3"-dimethylchroman)flavone (1), together with the known compounds 5,7-dihydroxy-6-methyl-8-prenylflavanone (3), 5,7-dihydroxy-8-methyl-6-prenylflavanone (4), 5,7-dihydroxy-6-prenylflavanone (5), 5,7-dihydroxy-8-prenylflavanone (6), 3-O-Acetyloleanolic acid (7), oleanolic acid, 3beta-acetoxy-11alpha,12alpha-epoxy-oleanan-28,13beta-olide, lupeol, betulinic acid, beta-sitosterol, beta-sitosteryl beta-D-glucopyranoside, beta-sitosteryl palmitate, and 3-O-methyl-myo-inositol were isolated from BEP. Additionally, one new flavanone, (2S)-4'-O-methyl-6-methyl-8-prenylnaringenin (2), as well as the known compounds 3, 4, 6, 4'-O-methyl-8-prenylnaringenin (8), and 5-hydroxy-7-methoxy-8-prenylflavanone (9) were isolated from LEP. 3-O-Acetyloleanolic acid (7), identified as the major constituent of BEP, showed a significant decrease (31 mg/kg of body weight, P < 0.05) in the glucose level of STZ-induced diabetic rats.
    CONCLUSIONS:
    The obtained results correlate with the traditional use of this species.
    Phytother Res. 2012 Oct;26(10):1541-6.
    3-O-acetyloleanolic acid induces apoptosis in human colon carcinoma HCT-116 cells.[Pubmed: 22359244 ]
    The cytotoxic effect of 3-O-Acetyloleanolic acid, an oleanolic acid derivative isolated from the seeds of Vigna sinensis K., was investigated in human colon carcinoma HCT-116 cells.
    METHODS AND RESULTS:
    3-O-Acetyloleanolic acid dose-dependently inhibited the viability of HCT-116 cells. Apoptosis was characterized by detection of cell surface annexin V and sub-G1 apoptotic cell populations. The number of immunostained cells with annexin V-FITC was increased after treatment with 3-O-Acetyloleanolic acid. The sub-G1 cell population was also increased. Expression of TRAIL-mediated apoptosis signaling-related death receptor DR5 was increased in 3-O-Acetyloleanolic acid-treated HCT-116 cells. Activation of caspase-8 and caspase-3, critical mediators of extrinsic apoptosis signaling, was also increased by 3-O-Acetyloleanolic acid.
    CONCLUSIONS:
    The results indicate that 3-O-Acetyloleanolic acid induces apoptosis in HCT-116 cells mediated by an extrinsic apoptosis signaling cascade via up-regulation of DR5.
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