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willow/противоракови
Линкът е запазен в клипборда
Страница 1 от 19 резултата
Willow leaves' extracts contain anti-tumor agents effective against three cell types.
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Many higher plants contain novel metabolites with antimicrobial, antifungal and antiviral properties. However, in the developed world almost all clinically used chemotherapeutics have been produced by in vitro chemical synthesis. Exceptions, like taxol and vincristine, were structurally complex
Miyabeacin: A new cyclodimer presents a potential role for willow in cancer therapy.
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Willow (Salix spp.) is well known as a source of medicinal compounds, the most famous being salicin, the progenitor of aspirin. Here we describe the isolation, structure determination, and anti-cancer activity of a cyclodimeric salicinoid (miyabeacin) from S. miyabeana and S. dasyclados. We also
The historical analysis of aspirin discovery, its relation to the willow tree and antiproliferative and anticancer potential.
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For several millennia, the willow tree and salicin have been associated with salicylic acid, the key precursor molecule that has contributed to the discovery of acetylsalicylic acid, traded as aspirin. These molecules have been shown to possess phyto- and chemotherapeutic activities as analgesic
Salicin, an extract from white willow bark, inhibits angiogenesis by blocking the ROS-ERK pathways.
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Salicin has been studied as a potent antiinflammatory agent. Angiogenesis is an essential process for tumor progression, and negative regulation of angiogenesis provides a good strategy for antitumor therapy. However, the potential medicinal value of salicin on antitumorigenic and antiangiogenic
Biochemical and Molecular Investigation of In Vitro Antioxidant and Anticancer Activity Spectrum of Crude Extracts of Willow Leaves Salix safsaf
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Organic fractions and extracts of willow (Salix safsaf) leaves, produced by sequential solvent extraction as well as infusion and decoction, exhibited anticancer potencies in four cancerous cell lines, including breast (MCF-7), colorectal (HCT-116), cervical (HeLa) and liver (HepG2). Results
Metabolomic Investigation of Rat Serum Following Oral Administration of the Willow Bracket Medicinal Mushroom, Phellinus igniarius (Agaricomycetes), by UPLC-HDMS.
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The medicinal willow bracket mushroom, Phellinus igniarius, is a species that has been reported to possess antibacterial, antioxidative, antitumor, antidiabetic, and antihyperlipidemia activities. The aim of this study was to elucidate the changes in endogenous metabolites after oral administration
Cytotoxic Activities of Fractions of the Willow Bracket Medicinal Mushroom, Phellinus igniarius (Agaricomycetes), and the Induction of Cell Cycle Arrest and Apoptosis in MGC-803 Cells.
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Phellinus igniarius, a perennial medicinal mushroom, has been used in China and other countries of East Asia for the treatment of various diseases, including cancer. The purpose of this study is to evaluate the cytotoxic activities of different fractions of an ethanol extract from Ph. igniarius and
Antineoplastic agents. 443. Synthesis of the cancer cell growth inhibitor hydroxyphenstatin and its sodium diphosphate prodrug.
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A structure-activity relationship (SAR) study of the South African willow tree (Combretum caffrum) antineoplastic constituent combretastatin A-4 (3b) led to the discovery of a potent cancer cell growth inhibitor designated phenstatin (5a). This benzophenone derivative of combretastatin A-4 showed
Antineoplastic agents. 410. Asymmetric hydroxylation of trans-combretastatin A-4.
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The South African willow tree Combretum caffrum has yielded a number of potent cancer cell growth inhibitors. The present SAR studies of the antineoplastic agent combretastatin A-4 (1c) were focused mainly on the olefinic bridge to determine the effects on cancer cell growth and, potentially, to
Antineoplastic agents. 379. Synthesis of phenstatin phosphate.
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A structure-activity relationship (SAR) study of the South African willow tree (Combretum caffrum) antineoplastic constituent combretastatin A-4 (1b) directed at maintaining the (Z)-stilbene relationship of the olefin diphenyl substituents led to synthesis of a potent cancer cell growth inhibitor
Combretastatin A4 phosphate has primary antineoplastic activity against human anaplastic thyroid carcinoma cell lines and xenograft tumors.
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Anaplastic thyroid carcinoma (ATC) is a fatal malignancy the clinical outcome of which is unaltered by current therapeutic modalities. A recent phase 1 clinical trial of combretastatin A4 phosphate (CA4P) produced a long-lasting total remission in a patient with ATC. CA4P is a tubulin-binding agent
Pharmaceutical design of antimitotic agents based on combretastatins.
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The design of novel anticancer agents based on the combretastatins, a group of antimitotic agents isolated from the bark of the South African willow tree Combretum caffrum Kuntz, is of considerable contemporary interest. Combretastatin A-4, the most active compound in the group, due to its unique
Developments of isoCombretastatin A-4 derivatives as highly cytotoxic agents.
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Combretastatin A-4 (CA-4) is a natural anti-cancer agent isolated in 1989 from the African willow tree, Combretum caffrum. Due to its chemical simplicity, this (Z)-stilbene has been the subject of many structural modifications mainly to improve its chemical and metabolic stability. Beside a large
The ethanolic extract of bark from Salix aegyptiaca L. inhibits the metastatic potential and epithelial to mesenchymal transition of colon cancer cell lines.
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Willow bark extracts have been used for centuries as a natural pain killer. Recently their potential as anticancer agents has been reported. We have shown the high antioxidant activity, phenolic and flavonoid content in the ethanolic extract of bark (EEB) from Salix aegyptiaca, a species endogenous
Combretastatins: An Overview of Structure, Probable Mechanisms of Action and Potential Applications
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Combretastatins are a class of closely related stilbenes (combretastatins A), dihydrostilbenes (combretastatins B), phenanthrenes (combretastatins C) and macrocyclic lactones (combretastatins D) found in the bark of Combretum caffrum (Eckl. & Zeyh.) Kuntze, commonly known as the South African
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