sesquiterpene/sarcoom

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Sesquiterpene lactones downregulate G2/M cell cycle regulator proteins and affect the invasive potential of human soft tissue sarcoma cells.

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Soft tissue sarcomas (STS) represent a rare group of malignant tumors that frequently exhibit chemotherapeutic resistance and increased metastatic potential. Many studies have demonstrated the great potential of plant-derived agents in the treatment of various malignant entities. The present study

Two new asymmetric sesquiterpene dimers from the rhizomes of Ligularia muliensis.

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Two new asymmetric eremophilane-type sesquiterpene dimers, ligulamulienin A (1) and B (2), were isolated from the rhizomes of Ligularia muliensis. Their structures were determined based on their spectroscopic data, including IR, EI-MS, HR-electrospray ionization (ESI)-MS, 1D and 2D-NMR spectroscopy.

The sesquiterpene lactone hymenoxon acts as a bifunctional alkylating agent.

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Hymenoxon, a toxic sesquiterpene lactone found in bitterweed, bound deoxyguanosine in a cell-free system and formed adducts with guanine residues in cellular DNA. The reactive dialdehyde form of hymenoxon formed stable Schiff base products with deoxyguanosine which were separable from unreacted

Potential anti-cancer activities of Furanodiene, a Sesquiterpene from Curcuma wenyujin.

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Furanodiene is a sesquiterpene extracted from the essential oil of the rhizome of Curcuma wenyujin Y.H. Chen et C. Ling (Wen Ezhu). Furanodiene is the primary component in Wen Ezhu's essential oil, accounting for more than 20% by weight. In vitro, MTT assay was used to compare the inhibitory effects

Eremophilane-type sesquiterpene derivatives from the roots of Ligularia lapathifolia.

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Six new highly oxygenated eremophilane-type sesquiterpene derivatives (1-6), including a norbisesquiterpene, were isolated from an extract of the roots of Ligularia lapathifolia, and their structures were elucidated by spectroscopic methods. The structure of 1 was confirmed by single-crystal X-ray

Na+ entry through heteromeric TRPC4/C1 channels mediates (-)Englerin A-induced cytotoxicity in synovial sarcoma cells.

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The sesquiterpene (-)Englerin A (EA) is an organic compound from the plant Phyllanthus engleri which acts via heteromeric TRPC4/C1 channels to cause cytotoxicity in some types of cancer cell but not normal cells. Here we identified selective cytotoxicity of EA in human synovial sarcoma cells (SW982

Inhibition of angiogenesis in vivo and growth of Kaposi's sarcoma xenograft tumors by the anti-malarial artesunate.

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Artesunate (ART) is a semi-synthetic derivative of the sesquiterpene artemisinin used for the second line therapy of malaria infections with Plasmodium falciparum. ART also inhibits growth of many transformed cell lines. In the present investigation, we show that ART inhibited the growth of normal

[Influence of newly synthesized sesquiterpenes--analogs of taxol on multiplication of herpes simplex virus (HSV-1MC) and retrovirus (Mo-MSV)].

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The study comprised newly synthesized sesquiterpenoid analogs of taxol. The synthesis of the compounds was performed at the Institute of Organic Chemistry, Polish Academy of Sciences. Cytotoxicity of the compound was assessed using formazan method. In in vitro studies the cell cultures were infected

Antiproliferative and toxicological properties of drimanes obtained from Drimys brasiliensis stem barks.

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Stem barks of Drimys brasiliensis (Winteraceae) are consumed by the population in the form of a condiment. It is widely used to treat gastric and stomach problems and also to treat cancer. The extracts have demonstrated antiproliferative, antileishmanial and antimicrobial activities assigned to

Apoptosis induction by 13-acetoxyrolandrolide through the mitochondrial intrinsic pathway.

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The aim of this study was to evaluate the mechanisms of cytotoxicity of the sesquiterpene lactone 13-acetoxyrolandrolide, a nuclear factor kappa B (NF-κB) inhibitor that was previously isolated from Rolandra fruticosa. The effects associated with the inhibition of the NF-κB pathway included

Antitumour properties of the leaf essential oil of Xylopia frutescens Aubl. (Annonaceae).

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The aim of this study was to investigate the chemical composition and anticancer effect of the leaf essential oil of Xylopia frutescens in experimental models. The chemical composition of the essential oil was analysed by GC/FID and GC/MS. In vitro cytotoxic activity of the essential oil was

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