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Pagina 1 a partire dal 37 risultati
[Effect of Ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid on human gastric cancer cells and its mechanism].
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OBJECTIVE
To investigate the apoptosis-inducing effect of Ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F), a compound isolated from Pteris semipinnata L (PsL), on human gastric cancer SGC7901 cells and explore its mechanism.
METHODS
The inhibitory effect of 5F on SGC7901 cells was observed by MTT
Ent-11α-Hydroxy-15-oxo-kaur-16-en-19-oic-acid Inhibits Growth of Human Lung Cancer A549 Cells by Arresting Cell Cycle and Triggering Apoptosis.
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OBJECTIVE
To examine the apoptotic effect of ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F), a compound isolated from Pteris semipinnata L (PsL), in human lung cancer A549 cells.
METHODS
A549 cells were treated with 5F (0-80 μg/ml) for different time periods. Cytotoxicity was examined using a
Synergistic anti-proliferative and pro-apoptotic activities of 5F and cisplatin in human non-small cell lung cancer NCI-H23 cells.
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Two-drug combination chemotherapy, often including cisplatin and one other drug, remains the standard of care for patients with advanced non-small cell lung cancer (NSCLC). To improve the treatment of late-stage NSCLC and decrease the toxicity of combination chemotherapy, the search for novel drugs
Alpha-ecdysone, a new bracken fern factor responsible for neoplasm induction in the Egyptian toad (Bufo regularis).
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Neoplastic lesions were induced in 10 out of 58 experimental toads (Bufo regularis) force-fed with alpha-ecdysone, which naturally occurs in the leaves of bracken fern (Pteris aquilina). The results of this study prove that alpha-ecdysone may be one of the factors responsible for the carcinogenicity
Induction of breast and lung neoplastic lesions in mice by alpha-ecdysone.
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Alpha ecdysone is naturally present in the leaves of some plants, including the carcinogenic plant bracken fern (Pteris aquilina). Feeding mice with alpha-ecdysone at a dose level of 3 ppm/25 g body weight, 2 times per week for 22 months induced a significant increase in the body weight of the
Induction of tumors of the urinary bladder in female mice following surgical implantation of glass beads and feeding of bracken fern.
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The carcinogenic effect of bracken fern (Pteris aquilina) to the urinary bladder of mice was studied. Powdered bracken fern mixed with a basic commercial diet (1:4 by weight) was fed to a group of 40 ICR strain mice for 20 weeks after the implantation of a glass bead into the bladder. A total
Cytotoxic pterosins from Pteris multifida roots against HCT116 human colon cancer cells.
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Two new pterosin glycosides, (2S,3S)-pterosin C 3-O-β-d-(4'-(E)-caffeoyl)-glucopyranoside (1) and (2S,3S)-pterosin C 3-O-β-d-(6'-(E)-p-coumaroyl)-glucopyranoside (2), were isolated from Pteris multifida (Pteridaceae) roots along with ten known pterosin compounds (3-12). The chemical structures of
Inhibition of breast cancer cell growth by the Pteris semipinnata extract ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid.
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Previous studies have demonstrated strong anti-tumor effects of ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F), an extract from Pteris semipinnata, in liver, lung, stomach and anaplastic thyroid cancer cells. However, whether 5F inhibits the growth of breast cancer cells remains unclear. The
Over-expression of Bcl-2 against Pteris semipinnata L-induced apoptosis of human colon cancer cells via a NF-kappa B-related pathway.
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Ent-11 alpha-hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F), an antitumor component, is a chemical compound isolated from Pteris semipinnata L (PsL), a Chinese traditional herb. We examined whether 5F could affect apoptosis in human colon cancer HT-29 cells, and test whether and how the over-expression
Ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid induces apoptosis of human malignant cancer cells.
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Ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F) is a chemical compound isolated from Pteris semipinnata L (PsL), a Chinese traditional herb. 5F has been known to exert antitumor activity in several kinds of human malignant cancer cells by leading cancer cell to apoptosis. 5F translocated Bax into
A study on the antitumour effect of total flavonoids from Pteris multifida Poir in H22 tumour-bearing mice.
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The objective of this paper was to investigate the inhibitory effect of total flavonoids from Pteris multifida Poir on growth of transplanted H22 tumour in mice. H22 tumour-bearing mice model was established; the experimental animals were divide/d into the model group, Pteris multifida Poir total
Cell death induced by Pteris semipinnata L. is associated with p53 and oxidant stress in gastric cancer cells.
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In this study, we demonstrated that Ent-11alpha-hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F) had stronger cytotoxicity against MKN-45, a gastric cancer cell line bearing wild-type p53 than MKN-28, another gastric cancer cell line containing missense mutation in p53. The rapid increase of ROS level was
Suppression of SOS response in E. coli PQ 37, antioxidant potential and antiproliferative action of methanolic extract of Pteris vittata L. on human MCF-7 breast cancer cells.
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Pteris vittata L. from the foothills of Kangra district, Himachal Pradesh, India has been investigated for its potential to combat reactive oxygen species and DNA damaging agents. DPPH radical, superoxide anion radical, ABTS(+.) radical cation decolorization, reducing power, deoxyribose degradation,
Anticancer activity of Adiantum capillus veneris and Pteris quadriureta L. in human breast cancer cell lines.
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Breast cancer is the most common cancer worldwide that costs lives of millions of people every year. Plant products with potential anticancer activities have become a vital source of novel agents in treating cancer. Adiantum capillus veneris (ACV) and Pteris Quadriureta (PQ) are such traditional
[Chemical constituents from Pteris dispar and their anti-tumor activity in vitro].
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The dried whole plant of Pteris dispar were milled and extracted with 95% EtOH. The resulting dried extract was isolated by kinds of chromatographic column, including polyamide, Sephadex LH-20, preparative HPLC. As a result, ten diterpenes were isolated from the plant. By analyzing of ESI-MS and NMR
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