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lignin/cancro da mama

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Página 1 a partir de 16 resultados
Aim: Few targeted therapies are available for triple-negative breast cancer (TNBC) patients. Here, we propose a novel alkaline-lignin-conjugated-poly(lactic-co-glycolic acid) (L-PLGA) nanoparticle drug delivery system to improve the efficacy of targeted therapies. Materials &
OBJECTIVE Due to a lack of chemotherapeutics to efficiently control neoplastic processes, there is a need for discovering new, more efficient anticancer drugs that would distinguish malignant from normal cells. METHODS We studied the effect of short (4 h) and long (72 h) treatment with different
Cancer stem cells are responsible for breast cancer initiation, metastasis, and relapse. Targeting breast cancer stem cells (BCSCs) using phytochemicals is a good strategy for the treatment of cancer. A silica gel, a reversed-phase C18 column (ODS), a Sephadex LH-20 gel, thin layer chromatography,

Fibers and breast cancer risk.

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Data from a multicenter case-control study on breast cancer conducted in Italy were used to analyze the relationship between various types of fibers and breast cancer risk. Cases were 2,569 women with histologically confirmed, incident breast cancer; controls were 2,588 women admitted to the same

Systematic In Vitro Biocompatibility Studies of Multimodal Cellulose Nanocrystal and Lignin Nanoparticles.

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Natural biopolymer nanoparticles (NPs), including nanocrystalline cellulose (CNC) and lignin, have shown potential as scaffolds for targeted drug delivery systems due to their wide availability, cost-efficient preparation, and anticipated biocompatibility. Since both CNC and lignin can potentially

[Wheat bran and breast cancer: revisiting the estrogen hypothesis].

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Breast cancer is the most relevant form of cancer among women in Latin America. Many studies have evaluated the hormonal mechanisms involved in mammary carcinogenesis, although new focus is aimed towards factors that can potentially be used individually to reduce risk. Wheat bran seems to show a
Previous investigations suggested potential breast cancer-preventive properties of dietary fiber from cabbage. The purpose of the present investigation was to determine whether lignin, a component of cabbage fiber, would protect against mammary carcinogenesis by N-methyl-N-nitrosourea (MNU) in
Nanomedicines represent innovative and promising alternative technologies to improve the therapeutic effects of different drugs for cancer ablation. Targeting M2-like tumor-associated macrophages (TAMs) has emerged as a favorable therapeutic approach to fight against cancer through the modulation of

Dietary lignins are precursors of mammalian lignans in rats.

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The mammalian lignans enterolactone (ENL) and enterodiol, commonly found in human plasma and urine, are phytoestrogens that may contribute to the prevention of breast cancer and coronary heart disease. They are formed by the conversion of dietary precursors such as secoisolariciresinol and
Platinum-containing antineoplastic agents with physiologically active ligands seem to be a promising direction in anticancer drug design. PDBA is a novel promising antineoplastic agent, containing polymer ligand of natural origin (international patent WO2013/143549 A1). Polymer ligand of PDBA has a

In vitro evaluation of antioxidant and cytotoxic activities of lignin fractions extracted from Acacia nilotica.

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Lignin is one of the most important phytomacromolecule with diverse therapeutic properties such as anticancer, antimicrobial, anti-inflammatory and immune-stimulatory. The present study was carried out to evaluate the in vitro antioxidant, free radical scavenging and anti-proliferative/cytotoxic

Purification and characterization of a laccase from the edible wild mushroom Tricholoma mongolicum.

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A novel laccase from Tricholoma mongolicum was purified by using a procedure which entailed ion exchange chromatography on DEAE-cellulose, CM-cellulose, Q-Sepharose, and FPLC-gel filtration on Superdex 75. The purified enzyme was obtained with a specific activity of 1480 U/mg-protein and a final

Anti-osteoporotic effects of syringic acid and vanilic acid in the extracts of waste beds after mushroom cultivation.

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In recent years, the number of patients with osteoporosis has increased as population grows older. Therefore, the chemoprevention of osteoporosis by better nutrition is important. White-rot fungi degrades milled wood lignin for growth and development. This degradation results in the formation of
OBJECTIVE Flaxseeds were shown to have anticancerogenic properties on breast cancer. In this work, an extract of roots of Linum usitatissimum was tested on MCF-7 and BT20 mamma carcinoma cells in vitro. METHODS The extract was produced by an ethanolic extraction method and its chemical composition

In vitro binding of estrogens by dietary fiber and the in vivo apparent digestibility tested in pigs.

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Within the framework of experiments related to the association between dietary fiber and breast cancer an in vitro test system was used to study the binding of estrogens to various fibers (e.g. cholestyramin, lignin and cellulose) and fiber sources (e.g. wheat bran, cereals, seeds and legumes).
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