berberrubine/neoplasms

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Induction of topoisomerase II-mediated DNA cleavage by a protoberberine alkaloid, berberrubine.

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Topoisomerase II is the cytotoxic target for a number of clinically relevant antitumor drugs. Berberrubine, a protoberberine alkaloid which exhibits antitumor activity in animal models, has been identified as a specific poison of topoisomerase II in vitro. Topoisomerase II-mediated DNA cleavage

Antitumor activity of 13-methyl-berberrubine derivatives.

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The antitumor activity of several 13-alkyl-berberrubine and newly synthesized ester derivatives, using experimental tumors (S-180, NF sarcoma, Ehrlich carcinoma and L-1210) in mice was tested. For chemotherapeutic evaluation, the therapeutic indices and ratios were determined. Our present findings

Identification of berberrubine metabolites in rats by using ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry.

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Berberrubine, an isoquinoline alkaloid isolated from many medicinal plants, possesses diverse pharmacological activities, including glucose-lowering, lipid-lowering, anti-inflammatory, and anti-tumor effects. This study aimed to investigate the metabolic profile of berberrubine in vivo. Therefore, a

Synthesis of 9-O-3-(1-piperazinyl/morpholinyl/piperidinyl)pentyl-berberines as Potential Antioxidant and Cytotoxic Agents.

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A new series of 9-O-3-(1-piperazinyl/morpholinyl/piperidinyl)pentyl-berberines has been efficiently formulated via coupling 1,5-dibromopentane with berberrubine which was obtained by treating berberine in a vacuum oven at optimum temperature and pressure. Nucleophilic substitution of a variety of

[Primary study on fluro [ 19F] berberine derivative for human hepatocellular carcinoma targetting in vitro].

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[ 18F]HX-01, a Fluorine-18 labeled berberine derivative, is a potential positron emission tomography (PET) tumor imaging agent, while [ 19F]HX-01 is a nonradioactive reference substance with different energy state and has the same physical and chemical properties. In order to collect data for

Investigating the potential for toxicity from long-term use of the herbal products, goldenseal and milk thistle.

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Two-year toxicity studies were conducted on the widely used herbal products, goldenseal and milk thistle, in male and female F344/N rats and B6C3F1 mice. With goldenseal root powder, the primary finding was an increase in liver tumors in rats and mice, and with milk thistle extract, a decrease in

Anti-Inflammation Associated Protective Mechanism of Berberine and its Derivatives on Attenuating Pentylenetetrazole-Induced Seizures in Zebrafish.

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Epileptic seizures are characterized by synchronized discharges of neurons, leading to the activation of inflammatory responses that in turn contributes to seizure progression. Berberine (BBR), a bioactive constituent extracted from berberis, has been known to relieve seizures in rodent models. In

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