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Страница 1 од 1985 резултати
Quercetin-Based Modified Porous Silicon Nanoparticles for Enhanced Inhibition of Doxorubicin-Resistant Cancer Cells.
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One of the most challenging obstacles in nanoparticle's surface modification is to achieve the concept that one ligand can accomplish multiple purposes. Upon such consideration, 3-aminopropoxy-linked quercetin (AmQu), a derivative of a natural flavonoid inspired by the structure of dopamine, is
Anthracycline Drugs on Modified Surface of Quercetin-Loaded Polymer Nanoparticles: A Dual Drug Delivery Model for Cancer Treatment.
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Polymer nanoparticles are vehicles used for delivery of hydrophobic anti-cancer drugs, like doxorubicin, paclitaxel or chemopreventors like quercetin (Q). The present study deals with the synthesis and characterisation of nano formulations (NFs) from Q loaded PLGA (poly lactic-co-glycolic acid) nano
Exploring conformational changes of PPAR-Ɣ complexed with novel kaempferol, quercetin, and resveratrol derivatives to understand binding mode assessment: a small-molecule checkmate to cancer therapy
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Peroxisome proliferator-activated receptors-γ (PPAR-γ), a ligand-activated transcription factor, activated by several ligands like fatty acids (linoleic acid being the most common) or their metabolites, can function as potential therapeutic target for various cancers. Although various synthetic
Quercetin Is a Flavonoid Breast Cancer Resistance Protein Inhibitor with an Impact on the Oral Pharmacokinetics of Sulfasalazine in Rats.
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The potential inhibitory effect of quercetin, a major plant flavonol, on breast cancer resistance protein (BCRP) activity was investigated in this study. The presence of quercetin significantly increased the cellular accumulation and associated cytotoxicity of the BCRP substrate mitoxantrone in
Quercetin induces apoptosis and necroptosis in MCF-7 breast cancer cells.
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OBJECTIVE
This study investigated the quercetin (Que) effects on growth of MCF-7 human cancer breast cell line and its cellular death mechanism.
BACKGROUND
Quercetin has been found to be very efficacious against many different types of cancer cells. However, the study is not sufficiently powered to
Pulmonary delivery of transferrin receptors targeting peptide surface-functionalized liposomes augments the chemotherapeutic effect of quercetin in lung cancer therapy.
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Purpose: Lung cancer has a high incidence rate worldwide with a 5-year survival rate of 18%, and is the leading cause of cancer-related deaths. The aim of this study is to augment therapeutic efficacy of quercetin (QR) for lung cancer therapy by targeting transferrin receptors, which are
Sensitization of human Ewing's tumor cells to chemotherapy and heat treatment by the bioflavonoid quercetin.
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BACKGROUND
The bioflavonoid quercetin, a polyphenolic compound widely distributed in the plant kingdom, has been demonstrated to exert cytostatic activity against a variety of tumor cells in vitro and in vivo. It may be useful in cancer therapy as a thermosensitizer by increasing the cell killing
Quercetin, Siamois 1 and Siamois 2 induce apoptosis in human breast cancer MDA-mB-435 cells xenograft in vivo.
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We sought to investigate the apoptosis-inducing activities of quercetin, Siamois 1, and Siamois 2 against invasive estrogen-receptor negative MDA-MB 435 cells xenografted in athymic nude mice. This study clearly demonstrated that these compounds exhibited apoptosis-inducing activities in cell
Differential modulation of cyclooxygenase-mediated prostaglandin production by the putative cancer chemopreventive flavonoids tricin, apigenin and quercetin.
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OBJECTIVE
Diet-derived flavonoids possess cancer chemopreventive properties in preclinical models. The knowledge of the pharmacology of most flavonoids is insufficient to warrant their advancement to clinical evaluation.
METHODS
Here the three flavonoids tricin from rice bran, apigenin from leafy
Quercetin Enhances Chemosensitivity to Gemcitabine in Lung Cancer Cells by Inhibiting Heat Shock Protein 70 Expression.
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Quercetin is a bioflavonoid known for antioxidation and antiproliferation activities. We demonstrated that quercetin inhibited cancer cell growth and sensitized cancer cells to gemcitabine treatment by promoting apoptosis via inhibiting heat shock protein 70 expression. Our results suggest that
Synergistic antiproliferative action of the flavonols quercetin and kaempferol in cultured human cancer cell lines.
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The consumption of vegetables containing the flavonols quercetin and kaempferol reduces the risk of cancer. We utilized human gut (HuTu-80 and Caco-2) and breast cancer cells (PMC42) to show the synergistic effect of quercetin and kaempferol in reducing cell proliferation. A trend in reduction of
The effect of quercetin on doxorubicin cytotoxicity in human breast cancer cells.
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Multidrug resistance has became the major obstacle to cancer chemotherapy. Recent studies suggest that quercetin could enhance the response of tumors to chemotherapy although the mechanism by which quercetin enhances the sensitivity of tumor cells to chemical drugs remains elusive. Therefore, in
Chemical proteomics identifies heterogeneous nuclear ribonucleoprotein (hnRNP) A1 as the molecular target of quercetin in its anti-cancer effects in PC-3 cells.
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Quercetin, a flavonoid abundantly present in plants, is widely used as a phytotherapy in prostatitis and prostate cancer. Although quercetin has been reported to have a number of therapeutic effects, the cellular target(s) responsible for its anti-cancer action has not yet been clearly elucidated.
Effects of quercetin on the heat-induced cytotoxicity of prostate cancer cells.
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BACKGROUND
It has been demonstrated that prostate cancer cells are relatively sensitive to heat stress. We have reported that heat treatment at 43 degrees C increases the expression of heat shock protein 70 (hsp70) in prostate cancer cells, leading to apoptosis. Hsp70 is a protein that protects
Interaction between the cytostatic effects of quercetin and 5-fluorouracil in two human colorectal cancer cell lines.
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Therapy with 5-fluorouracil (5-FU) as a single agent has only limited success in palliative treatment of cancer of the large bowel. In the current study, the effect of quercetin on the action of 5-FU in the human colorectal cancer cell lines COLO 320 DM and COLO 205 was evaluated using the MTT and
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