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Página 1 a partir de 43 resultados
Effect of Polygala tenuifolia root extract on the tumor necrosis factor-alpha secretion from mouse astrocytes.
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We investigated whether an aqueous extract of Polygala tenuifolia root (PTAE) inhibits secretion of tumor necrosis factor-alpha (TNF-alpha) from primary cultures of mouse astrocytes. PTAE dose-dependently inhibited the TNF-alpha secretion by astrocytes stimulated with substance P (SP) and
A water-soluble polysaccharide from the roots of Polygala tenuifolia suppresses ovarian tumor growth and angiogenesis in vivo.
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PTP, one polysaccharide extracted from the roots of Polygala tenuifolia, has displayed anti-cancer activity in several types of ovarian cancer cells. This study aims to elucidate the structure of PTP and investigate its anticancer effects against SKOV3 xenograft tumor growth in BALB/c mice, as well
Anticancer potentials of root extract of Polygala senega against benzo[a]pyrene-induced lung cancer in mice.
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OBJECTIVE
To evaluate anticancer potentials of Polygala senega on lung cancer induced by benzo[a]pyrene (B[a]P) in mice.
METHODS
Swiss albino mice were divided into five groups with each containing six animals. Group 1 served as control, and the animals received olive oil as vehicle. Group 2 animals
Polygala tenuifolia polysaccharide PTP induced apoptosis in ovarian cancer cells via a mitochondrial pathway.
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One purified polysaccharide protein tyrosine phosphatase (PTP) was isolated from the roots of Polygala tenuifolia. The aim of the present study is to investigate the antitumor effect of PTP on human ovarian cancer OVCAR-3 cells and explore the molecular mechanism of the action involved. The results
Euxanthone suppresses tumor growth and metastasis in colorectal cancer via targeting CIP2A/PP2A pathway.
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OBJECTIVE
Colorectal cancer (CRC) accounts for over 600,000 deaths annually worldwide. Euxanthone is a flavonoid compound extracted from Polygala caudata, with documented anti-neoplastic actions. The current study aimed to determine the therapeutic potential of euxanthone in CRC.
METHODS
Cell
Euxanthone inhibits glycolysis and triggers mitochondria-mediated apoptosis by targeting hexokinase 2 in epithelial ovarian cancer.
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Epithelial ovarian cancer (EOC) is one of the most prevalent gynaecological cancers. Euxanthone, an active ingredient of the medicinal plant Polygala caudata, exhibits a selective cytotoxic effect in tumour cells. The present study was aimed to determine whether euxanthone could suppress ovarian
Autophagy is a pro-survival mechanism in ovarian cancer against the apoptotic effects of euxanthone.
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BACKGROUND
Ovarian cancer is one of the most prevalent gynecological malignancies and thus the development of novel therapeutic agents for managing ovarian cancer is imperative. Euxanthone, a xanthone derived from Polygala caudata, has been found to exert cytotoxic effects on cancerous cells. This
A pectin-like polysaccharide from Polygala tenuifolia inhibits pancreatic cancer cell growth in vitro and in vivo by inducing apoptosis and suppressing autophagy
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Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal malignant carcinomas, which is characterized by apoptosis- and autophagy-dependent tumorigenic growth. Autophagy constitutes a stress adaptation that suppresses apoptosis. To explore new leading compound against PDAC, a pectin-like
Cytotoxic and tumor inhibitory agent from Polygala macradenia Gray (Polygalaceae): 4'-demethyldeoxypodophyllotoxin.
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The chloroform fraction of Polygala macradenia exhibited activity against the P-388 lymphocytic leukemia and human epidermoid carcinoma of the nasopharynx test systems. The constituent responsible for this activity was a lignan, 4'-demethyldeoxypodophyllotoxin (C21H20O7). The identity was proven by
Xanthones from Polygala alpestris (Rchb.).
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Bioactivity-guided fractionation of Polygala alpestris L. (Rchb.) extracts led to the identification of two new xanthones, 1,3,7-trihydroxy-2,6-dimethoxyxanthone (1) and 2,3-methylenedioxy-4,7-dihydroxyxanthone (2). In addition five known compounds 3,4-dimethoxy-1,7-dihydroxyxanthone (3),
Clionosterol and ethyl cholestan-22-enol isolated from the rhizome of Polygala tenuifolia inhibit phosphatidylinositol 3-kinase/Akt pathway.
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Phosphatidylinositol 3-kinase (PI3K)/Akt inhibitors were isolated from the rhizome of Polygala tenuifolia WILLD (PT, Polygalaceae), which has been used in traditional Chinese medicine for inflammation, dementia, amnesia, neurasthenia and cancer, by activity-guided fractionation. For the assay of
Poligapolide, a PI3K/Akt inhibitor in immunodeficiency virus type 1 TAT-transduced CHME5 cells, isolated from the rhizome of Polygala tenuifolia.
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The rhizome of Polygala tenuifolia WILLD (PT, family Polygalaceae) has been used in traditional Chinese medicine for inflammation, dementia, amnesia, neurasthenia and cancer. The phosphoinositide 3-kinase (PI3K)/Akt inhibitor(s) was isolated from PT by using the cytoprotective phenotype of human
Antinociceptive properties of the hydroalcoholic extract and the flavonoid rutin obtained from Polygala paniculata L. in mice.
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The present study examined the antinociceptive effects of a hydroalcoholic extract of Polygala paniculata in chemical and thermal behavioural models of pain in mice. The antinociceptive effects of hydroalcoholic extract was evaluated in chemical (acetic-acid, formalin, capsaicin, cinnamaldehyde and
Anti-angiogenic effect of triterpenoidal saponins from Polygala senega.
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Senegasaponins [senegin II (1), senegin III (2), senegin IV (3), senegasaponin a (4), and senegasaponin b (5)] from Polygala senega were re-discovered as selective anti-proliferative substances against human umbilical vein endothelial cells (HUVECs). Senegasaponins (1-5) showed anti-proliferative
Tenuigenin inhibits RANKL-induced osteoclastogenesis by down-regulating NF-κB activation and suppresses bone loss in vivo.
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Tenuigenin, a major active component of polygala tenuifolia root, has been used to treat patients with insomnia, dementia, and neurosis. In this study, we aimed to investigate the effects of tenuigenin on osteoclastogenesis and clarify the possible mechanism. We showed that tenuigenin inhibited
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