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pennogenin/cáncer
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10 resultados
In-vitro Antitumor Activity and Antifungal Activity of Pennogenin Steroidal Saponins from paris Polyphylla var. yunnanensis.
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Paris polyphylla Smith var. yunnanensis, has been used in traditional Chinese medicine for its antibiotic and anti-inflammatory properties; in addition it has been used to cure liver cancer in particular. In this current study, β-ecdysterone (1) and three pennogenin steroidal saponins (2-4) were
[Anti-tumor constituents from Paris polyphylla var. yunnanensis].
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OBJECTIVE
To study the anti-tumor active constituents from the rhizome of Paris polyphylla var. yunnanensis.
METHODS
The compounds were isolated by column chromatography with silica gel, and purified by Sephadex LH-20 columu chromafography and reverse-phase preparative, HPLC. The structures were
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
Paris Polyphylla Inhibits Colorectal Cancer Cells via Inducing Autophagy and Enhancing the Efficacy of Chemotherapeutic Drug Doxorubicin.
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Colorectal cancer is one of the most common cancers worldwide and chemotherapy is the main approach for the treatment of advanced and recurrent cases. Developing an effective complementary therapy could help to improve tumor suppression efficiency and control adverse effects from chemotherapy.
Novel steroidal saponins from Liriope graminifolia (Linn.) Baker with anti-tumor activities.
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Phytochemical investigation of the underground parts of Liriope graminifolia (Linn.) Baker resulted in the isolation of two new steroidal saponins lirigramosides A (1) and B (2) along with four known compounds. The structures were determined by extensive spectral analysis, including two-dimensional
Substituting one Paris for another? In vitro cytotoxic and in vivo antitumor activities of Paris forrestii, a substitute of Paris polyphylla var. yunnanensis.
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BACKGROUND
Chong-lou (Paris polyphylla var. yunnanensis or P. polyphylla var. chinensis) is traditionally used as an anticancer medicine in China. It is also the material basis of some Chinese patent anticancer medicines, such as Gan-Fu-Le capsules, Bo-Er-Ning capsules, Lou-Lian capsules, Ruan-Jian
Steroidal saponins from two species of Dracaena.
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Four new steroidal saponins (1-4) were isolated from the stem and bark of two species of Dracaena: deistelianosides A and B (1 and 2) from D. deisteliana and arboreasaponins A and B (3 and 4) from D. arborea. Six known saponins and one known sapogenin were also isolated. The structures of 1-4 were
[Separation and identification of active constituents of Paris vietnamensis].
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OBJECTIVE
To study the anti-tumor bioactive steroid saponins of Paris vietnamensis (Takht.).
METHODS
The constituents were isolated and purified by chromatography and their structures were identified by spectral analysis and physicochemical properties. The cytotoxic bioactivities of the constituents
A steroidal saponin form Paris vietnamensis (Takht.) reverses temozolomide resistance in glioblastoma cells via inducing apoptosis through ROS/PI3K/Akt pathway.
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Glioblastoma is one of the most difficult cancers to treat with a 5-year overall survival rate less than 5%. Temozolomide (TMZ) is an effective drug for prolonging the overall survival time of patients, while drug-resistance is an important clinical problem at present.
TTB2 induces apoptosis in Ewing sarcoma cells.
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A steroidal saponin named pennogenin 3-O-α-L-rhamnopyranosyl-(1→2) [α-L-rhamnopyranosyl-(1→4)]-β-D-glucoyranoside(TTB2) has been successfully separated from the n-BuOH extracts of Trillium tschonoskii Maxim and is able to induce cytotoxicity to some types cancer cells. The present study aimed to
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