coptis/anticancéreux

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Hollow fiber cell fishing with high-performance liquid chromatography for rapid screening and analysis of an antitumor-active protoberberine alkaloid group from Coptis chinensis.

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A novel hollow fiber cell fishing procedure with high-performance liquid chromatography (HFCF-HPLC) was developed and used for rapid screening, fishing, and analysis of bioactive compounds from traditional Chinese medicines. Human breast cancer cell MCF7, mouse breast cancer cell MADB106, and

Hollow-fiber double-solvent synergistic microextraction with high-performance liquid chromatography for the determination of antitumor alkaloids in Coptis chinensis.

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A new hollow-fiber double-solvent synergistic microextraction method was proposed for the extraction and concentration of trace active compounds in traditional Chinese medicine. The main variables affecting the method were investigated and optimized. Under the optimized conditions, linearities were

Cancer cell‑specific anticancer effects of Coptis chinensis on gefitinib‑resistant lung cancer cells are mediated through the suppression of Mcl‑1 and Bcl‑2.

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The epidermal growth factor receptor (EGFR)‑tyrosine kinase inhibitor (TKI), gefitinib, is an effective therapeutic drug used in the treatment of non‑small cell lung cancers (NSCLCs) harboring EGFR mutations. However, acquired resistance significantly limits the efficacy of EGFR‑TKIs and

Synthesis and anticancer activity of 9-O-pyrazole alkyl substituted berberine derivatives.

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BACKGROUND Berberine (BBR), an isoquinoline plant alkaloid isolated from plants such as Coptis chinensis and Hydrastis canadensis, own multiple pharmacological activities. OBJECTIVE In this study, seven BBR derivatives were synthesized and their anticancer activity against HeLa cervical and A549

[Anti-cancer activity of Zuojinwan in vivo and influence to tumor markers in mice transplanted with sarcoma 180].

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OBJECTIVE To study the anticancer action of Zuojinwan in mice transplanted with sarcoma 180 in vivo, and detect the activities of five kinds of tumor markers (TM) including acid phosphotase (ACP), alkaline phosphotase (AKP), creatine kinase (CK), aldolase (ALD) and lactate dehydrogenase (LDH) in

Exploration of anti-cancer effects and mechanisms of Zuo-Jin-Wan and its alkaloid components in vitro and in orthotopic HepG2 xenograft immunocompetent mice.

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BACKGROUND Zuo-Jin-Wan (ZJW), a two-herb formula consisting of Coptis chinensis (CC) and Evodia rutaecarpa (ER), is commonly used in traditional Chinese medicine for the treatment of cancers. However, the efficacies and mechanisms of ZJW and its alkaloid components on cancers are still

Coptis extracts enhance the anticancer effect of estrogen receptor antagonists on human breast cancer cells.

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Estrogen receptor (ER) antagonists have been widely used for breast cancer treatment, but the efficacy and drug resistance remain to be clinical concerns. The purpose of this study was to determine whether the extracts of coptis, an anti-inflammatory herb, improve the anticancer efficacy of ER

Nonsteroidal anti-inflammatory drug activated gene-1 (NAG-1) modulators from natural products as anti-cancer agents.

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Natural products are rich sources of gene modulators that may be useful in prevention and treatment of cancer. Recently, nonsteroidal anti-inflammatory drug (NSAID) activated gene-1 (NAG-1) has been focused as a target of action against diverse cancers like colorectal, pancreatic, prostate, and

Biosynthesis, characterization, and anticancer effect of plant-mediated silver nanoparticles using Coptis chinensis.

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Tremendous growth in nanotechnology has opened up new frontiers in fundamental and applied aspects, including the synthesis of nanoscale matter and understanding/utilizing its exotic physicochemical and optoelectronic properties. Green-synthesis methods employing either biological

Coptisine-induced apoptosis in human colon cancer cells (HCT-116) is mediated by PI3K/Akt and mitochondrial-associated apoptotic pathway.

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BACKGROUND Colorectal cancer is the third leading cause of cancer-related deaths in the word. Coptisine (COP), an isoquinoline alkaloid derived from Coptis chinensis Franch, possesses a wide variety of pharmacological effects. However, its anti-proliferative effect on colon cancer is not fully

The effect of coptis chinensis on the signaling network in the squamous carcinoma cells.

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The effects of Coptis chinensis on the behavior of squamous cell carcinoma have not yet been established. We examined the anticancer activity of Coptis chinensis on human squamous carcinoma cells, both in vitro and in xenografted nude mice, and applied Pathway Array Technology to understand possible

Coptidis alkaloids extracted from Coptis chinensis Franch attenuate IFN-γ-induced destruction of bone marrow cells

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Coptidis alkaloids are the primary active components of Coptis chinensis Franch. Clinical and pharmacodynamic studies have confirmed that Coptidis alkaloids have multiple therapeutic effects including anti-inflammatory, antioxidant and antitumor effects, and they are usually used to treat various

In vivo inhibition of S180 tumors by the synergistic effect of the Chinese medicinal herbs Coptis chinensis and Evodia rutaecarpa.

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The aim of the present paper was to investigate the synergistic effect and mechanism of anticancer activity of Zuojinwan ( ZJW) comprising Coptis chinensis Franch ( HL) and Evodia rutaecarpa (Juss.) Benth ( WZY) at a ratio of 6 : 1 (w/w). In vivo anticancer activity testing was carried out by

Discovery of oxyepiberberine as a novel tubulin polymerization inhibitor and an anti-colon cancer agent against LS-1034 cells

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Coptis chinensis Franch. has been extensively used in traditional Chinese medicine. The chemical structure of oxyepiberberine, as an alkaloid isolated from Coptis chinensis Franch., has been previously studied. However, anti-cancer effects and underlying mechanisms of oxyepiberberine need to be

[Screen for natural benzylisoquinoline alkaloids against tumor].

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OBJECTIVE To search for natural benzylisoquinoline alkaloids against tumor. METHODS In this study, taken DNA as target, a method was developed for screening of natural benzylisoquinoline alkaloids against tumor from traditional Chinese medicine by the use of centrifugal ultrafiltration combined with

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