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Pagina 1 a partire dal 16 risultati
Identification of the perturbed metabolic pathways associating with prostate cancer cells and anticancer affects of obacunone.
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Functional metabolomics could bring correlative information about specific cell types under different conditions for exploring cell properties and functions. In this study, we adopt a non-targeted cell metabolomics strategy to reveal the proliferation inhibition mechanism of obacunone on 22RV1
Apoptosis mediated cytotoxicity of citrus obacunone in human pancreatic cancer cells.
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Obacunone is one of the oxygenated triterpenoids found in rutaceae family. It has been demonstrated for various biological activities including inhibition of cancer cells proliferation and tumor. The current study is an attempt to understand the mode of cytotoxicity of obacunone using cultured
Species-related difference between limonin and obacunone among five liver microsomes and zebrafish using ultra-high-performance liquid chromatography coupled with a LTQ-Orbitrap mass spectrometer.
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BACKGROUND
Limonin and obacunone are two major limonoids distributed in the Rutaceae and Meliaceae families. Their defined anti-tumor activity is closely connected with the furan ring and the multi-carbonyls in their structures. In vivo and in vitro biotransformations may influence their structures
Obacunone exhibits anti-proliferative and anti-aromatase activity in vitro by inhibiting the p38 MAPK signaling pathway in MCF-7 human breast adenocarcinoma cells.
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Overexpression of the aromatase enzyme CYP19 has been implicated in the onset of estrogen-dependent breast carcinogenesis. Obacunone, a natural compound present in citrus fruits, has been demonstrated for various biological activities including anti-cancer and anti-inflammatory properties. In the
Limonoids and their anti-proliferative and anti-aromatase properties in human breast cancer cells.
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Lemons are a widely used citrus crop and have shown several potential health benefits. In the present study, the mechanism and effectiveness of the anti-cancer and anti-aromatase properties of limonoids were investigated for the first time. Defatted lemon (Citrus lemon L. Burm) seed powder was
Differential inhibition of human cancer cell proliferation by citrus limonoids.
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Limonoids have been shown to inhibit the growth of estrogen receptor-negative and -positive human breast cancer cells in culture. The primary objective of this study was to test the antiproliferative activity of limonoids (obacunone 17 beta-D-glucopyranoside, nomilinic acid 17
Simultaneous separation and identification of limonoids from citrus using liquid chromatography-collision-induced dissociation mass spectra.
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Limonoids are considered as potential cancer chemopreventive agents and are widely distributed in the Citrus genus as aglycones and glucosides. In the present study, reversed-phase HPLC coupled with CID mass spectra was developed for the simultaneous separation and identification of aglycones and
[Chemical constituents from root barks of Dictamnus dasycarpus and their cytotoxic activities].
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Nineteen compounds, including kihadanin D (1), obacunone (2), kihadanin A (3), kihadanin B (4), kihadanin C (5), limonin (6), evodol (7), fraxinellone (8), furo[2,3-b]quinolin-4-ol (9), preskimmianine (10), ifflaiamine (11), dictamnol (12), naringenin (13), diosmetin (14), wogonin (15), scopoletin
Antiproliferative effects of citrus limonoids against human neuroblastoma and colonic adenocarcinoma cells.
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Limonoids, a family of triterpenoids with putative anticancer properties, occur in fruits as glucosides and aglycones. Both highly purified forms were isolated from seeds and molasses of citrus fruits and tested for toxic effects against two human cancer cell lines, SH-SY5Y neuroblastoma and Caco-2
Isolation of limonoids and alkaloids from Phellodendron amurense and their multidrug resistance (MDR) reversal activity.
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Three limonoids and five alkaloids were isolated from the chloroform layer of the MeOH extract of the bark of Phellodendron amurense (Rutaceae). The structures of the compounds isolated were determined to be obacunone (1), limonin (2), 12alpha-hydroxylimonin (3), gamma-fagarine (4), oxyberberine
Further studies on the anticancer activity of citrus limonoids.
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Research in this laboratory has shown that some citrus limonoids can inhibit the development of 7,12-dimethylbenz[a]anthracene-induced oral tumors. The data from these studies have suggested that certain rings in the limonoid nucleus may be critical to antineoplastic activity. Using the hamster
Grapefruit bioactive limonoids modulate E. coli O157:H7 TTSS and biofilm.
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Limonoids are important constituents of the grapefruit and other citrus fruits. Research on health benefits suggests that citrus limonoids may act as anti-cancer, cholesterol lowering, anti-HIV and anti-feedant compounds. However, antimicrobial activities of citrus limonoids are not reported. In the
Developing an activity and absorption-based quality control platform for Chinese traditional medicine: Application to Zeng-Sheng-Ping(Antitumor B).
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BACKGROUND
Zeng-Sheng-Ping (ZSP), also called antitumor B, is a marketed Chinese traditional medicine used for cancer prevention.
OBJECTIVE
Currently, for the quality control of Chinese traditional medicines, marker compounds are not selected based on bioactivities and pharmaceutical behaviors in
Chemopreventive effect of a mixture of Chinese Herbs (antitumor B) on chemically induced oral carcinogenesis.
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In this study, we evaluated chemopreventive efficacy of Antitumor B, a Chinese herbal mixture of six plants (Sophora tonkinensis, Polygonum bistorta, Prunella vulgaris, Sonchus arvensis L., Dictamnus dasycarpus, and Dioscorea bulbifera) on the development of 4-nitroquinoline-1-oxide (4NQO) induced
Pharmacokinetics and Pharmacodynamics of Promising Arginase Inhibitors.
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Up-regulation of arginase activity in several chronic disease conditions, including cancer and hypertension, may suggest new targets for treatment. Recently, the number of new arginase inhibitors with promising therapeutic effects for asthma, cancer, hypertension, diabetes mellitus, and erectile
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