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11 rezultatima
Novel dauricine derivatives suppress cancer via autophagy-dependent cell death.
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Eleven dauricine derivatives were synthesized and evaluated for their anti-cancer effect in different cancer cells and their autophagic activity in HeLa model cell. Among these newly synthesized compounds, carbamates 2a, 2b, carbonyl ester 3a and sulfonyl ester 4a exhibited potent cytotoxic effects
Natural autophagy blockers, dauricine (DAC) and daurisoline (DAS), sensitize cancer cells to camptothecin-induced toxicity.
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Autophagy is a cellular bulk degradation pathway implicated in various diseases. Inhibition of autophagy has been regarded as a new therapeutic strategy for cancer treatment, especially in combination with chemotherapy. In our study, we identified two natural compounds, dauricine (DAC) and
Dauricine suppresses the growth of pancreatic cancer in vivo by modulating the Hedgehog signaling pathway.
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Pancreatic cancer is a highly malignant cancer associated with high expression levels of sonic hedgehog signaling molecule (Shh), patched 1 (Ptch1), smoothened frizzled class receptor (Smo) and glioma-associated oncogene family zinc finger 1 (Gli1) in the hedgehog (Hh) signaling pathway. Inhibition
Dauricine can inhibit the activity of proliferation of urinary tract tumor cells.
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OBJECTIVE
To explore the anti-tumor effects of asiatic moonseed rhizome extraction-dauricine on bladder cancer EJ cell strain, prostate cancer PC-3Mcell strain and primary cell culture system.
METHODS
The main effective component-phenolic alkaloids ofMenispermum dauricum was extracted and separated
Dauricine inhibits insulin-like growth factor-I-induced hypoxia inducible factor 1alpha protein accumulation and vascular endothelial growth factor expression in human breast cancer cells.
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OBJECTIVE
To investigate the effects of dauricine (Dau) on insulin-like growth factor-I (IGF-I)-induced hypoxia inducible factor 1alpha (HIF-1alpha) and vascular endothelial growth factor (VEGF) expression in human breast cancer cells (MCF-7).
METHODS
Serum-starved MCF-7 cells were pretreated for 1
Dauricine negatively regulates lipopolysaccharide- or cecal ligation and puncture-induced inflammatory response via NF-κB inactivation.
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Acute lung injury (ALI) is a challenging clinical problem worldwide characterized by severe pulmonary inflammation. Dauricine, extracted from the root of traditional Chinese medicine Menispermum dauricum DC, is employed as anti-inflammatory herbs. In this study, we explored the inhibitory effects of
Dauricine inhibits viability and induces cell cycle arrest and apoptosis via inhibiting the PI3K/Akt signaling pathway in renal cell carcinoma cells.
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Renal cell carcinoma (RCC), which is derived from the proximal tubules of nephrons, is one of the most common solid cancers. Due to its inherent insensitivity to radiotherapy and chemotherapy, surgery remains the only curative strategy for RCC. Therefore, a novel strategy for treating RCC is
Reduction of doxorubicin resistance by tetrandrine and dauricine in harringtonine-resistant human leukemia (HL60) cells.
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OBJECTIVE
To study whether tetrandrine (Tet) and dauricine (Dau) can reduce doxorubicin (Dox) resistance in the harringtonine (Har)-resistant human leukemia cells.
METHODS
The drug cytotoxities were determined by counting cell numbers and colony formation. Cell cycle phases were assayed by flow
A Strategy for Quality Control of Menispermum dauricum DC Based on Cytotoxic Activity and HPLC Fingerprint Analysis.
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The rhizome of Menispermum dauricum DC known as a traditional Chinese medicine, with high content of alkaloids, has been found to possess antitumor activity. In this research, an attempt to correlate fingerprinting with bioactivity was made for quality control of M. dauricum. Firstly, the
Bisbenzylisoquinoline alkaloids and P-glycoprotein function: A structure activity relationship study
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Conflicts with the notion that specific substrate interactions were required in the control of reaction path in active transport systems, P-glycoprotein showed extraordinarily low specificity. Therefore, overexpression P-glycoprotein excluded a large number of anticancer agents from cancer cells,
Natural small-molecule enhancers of autophagy induce autophagic cell death in apoptosis-defective cells.
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Resistance of cancer cells to chemotherapy is a significant problem in oncology, and the development of sensitising agents or small-molecules with new mechanisms of action to kill these cells is needed. Autophagy is a cellular process responsible for the turnover of misfolded proteins or damaged
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