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Pàgina 1 des de 32 resultats
Garcinone C suppresses colon tumorigenesis through the Gli1-dependent hedgehog signaling pathway
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Background: Although garcinone C, a natural xanthone derivative identified in the pericarp of Garcinia mangostana, has been demonstrated to exert different health beneficial activities in oxidative stress and β-amyloid aggregation, the
Garcinone E, a xanthone derivative, has potent cytotoxic effect against hepatocellular carcinoma cell lines.
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Treatment of hepatocellular carcinomas (HCCs) with chemotherapy has generally been disappointing and it is most desirable to have more effective new drugs. We extracted and purified 6 xanthone compounds from the rinds (peel) of the fruits of Garcinia mangostana L., using partitioned chromatography
Garcinone C exerts antitumor activity by modulating the expression of ATR/Stat3/4E‑BP1 in nasopharyngeal carcinoma cells.
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Nasopharyngeal carcinoma (NPC) is one of the most common head and neck malignancies and is typically treated with radiotherapy and chemotherapy. Garcinone C, a natural compound isolated from Garcinia oblongifolia Champ., is a xanthone derivative with potential cytotoxic effects on certain cancers.
Garcinone D, a natural xanthone promotes C17.2 neural stem cell proliferation: Possible involvement of STAT3/Cyclin D1 pathway and Nrf2/HO-1 pathway.
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Garcinia mangostana L. (Mangosteen) has been used to treat various pathological conditions, including inflammation and urinary tract infections. Here, we observed that garcinone D, a natural xanthone from mangosteen, promoted the proliferation of C17.2 neural progenitor cells and also resulted in a
Garcinone E induces apoptosis and inhibits migration and invasion in ovarian cancer cells.
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Ovarian cancer remains the most lethal gynecological malignant tumor. In this study, 24 xanthones were isolated and identified from the pericarps of mangosteen (Garcinia mangostana), and their anti-proliferative activities were tested in ovarian cancer cells. Garcinone E (GE) was found to exhibit
Prenylated xanthones from mangosteen as promising cholinesterase inhibitors and their molecular docking studies.
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Garcinia mangostana is a well-known tropical plant found mostly in South East Asia. The present study investigated acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activities of G. mangostana extract and its chemical constituents using Ellman's colorimetric method.
Xanthones Isolated from the Pericarp of Mangosteen Inhibit Neurotransmitter Receptors Expressed in Xenopus Oocytes.
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OBJECTIVE
This study aimed to evaluate inhibitory effects of 7 xanthones and 3 extracts obtained from the pericarp of mangosteen on serotonin (5-HT), N-methyl-D-aspartate (NMDA) and glycine receptors expressed in Xenopus oocytes.
METHODS
Xenopus oocytes were injected with RNA of either 5-HT NMDA or
A geranylated biphenyl derivative from Garcinia malvgostana.
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Extracts of root bark, stem bark and the latex collected from the green fruits of Garcinia mangostana gave alpha-mangostin, beta-mangostin, gamma-mangostin, garcinone-E, methoxy-beta-mangostin and a new geranylated biphenyl derivative 3-hydroxy-4-geranyl-5-methoxybiphenyl. The latex of G. mangostana
Antifibrotic constituents from Garcinia mangostana.
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From the CHCl3-soluble fraction of the fruits of Garcinia mangostana (Clusiaceae), six xanthone derivatives, alpha-mangostin (1), gamma-mangostin (2), gartanin (3), deoxygartanin (4), 1-isomangstanin (5) and garcinone E (6), were isolated. All these compounds significantly inhibited HSC-T6 viability
Xanthones from the green fruit hulls of Garcinia mangostana.
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Three new xanthones, mangostenol (1), mangostenone A (2), and mangostenone B (3), were isolated from the green fruit hulls of Garcinia mangostana, along with the known xanthones, trapezifolixanthone, tovophyllin B (4), alpha- and beta-mangostins, garcinone B, mangostinone, mangostanol, and the
A new prenylated xanthone from Garcinia xipshuanbannaensis Y.H. Li.
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A new prenylated xanthone, named bannaxanthone I, has been isolated from the leaves of Garcinia xipshuanbannaensis, along with five other known compounds, bannaxanthone E, mangostinone, tovophyllin A, garcinone E, and γ-mangostin. The structure of the new compound was elucidated on the basis of
Xanthones from Garcinia mangostana (Guttiferae).
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Studies on the stem of Garcinia mangostana have led to the isolation of one new xanthone mangosharin (1) (2,6-dihydroxy-8-methoxy-5-(3-methylbut-2-enyl)-xanthone) and six other prenylated xanthones, alpha-mangostin (2), beta-mangostin (3), garcinone D (4),
A new xanthone from the pericarp of Garcinia mangostana.
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A new prenylxanthone, garcimangostanol (1), was isolated from the EtOAc-soluble partition of the ethanol extract of the pericarp of Garcinia mangostana L., along with three known compounds, namely 8-deoxygartanin (2), 1-isomangostin (3), and garcinone C (4). The structure of compound 1 was
Cytotoxic prenylated xanthones from the pericarps of Garcinia mangostana.
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Bioassay-guided fractionation of an ethanol extract of the pericarps of Garcinia mangostana led to the isolation of two new prenylated xanthones, named 1,3,7-trihydroxy-2-(3-methyl-2-butenyl)-8-(3-hydroxy-3-methylbutyl)-xanthone (1) and
Inhibition of CDK2/CyclinE1 by xanthones from the mangosteen ( Garcinia mangostana): a structure-activity relationship study
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Uncontrolled regulation of cyclin dependent kinases (CDKs) has negative implications in many cancers and malignancies and has recently led to the approval of select CDK inhibitors. Herein we present data reporting that xanthones, a class of compounds isolated from the purple mangosteen (Garcinia
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