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Pàgina 1 des de 257 resultats
Juglone, a naphthoquinone from walnut, exerts cytotoxic and genotoxic effects against cultured melanoma tumor cells.
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This study demonstrates cytotoxic and genotoxic potential of juglone, a chief constituent of walnut, and its underlying mechanisms against melanoma cells. MTT assay and clonogenic assay were used to study cytotoxicity, micronucleus assay to assess genotoxicity, glutathione (GSH) assay and
Parameter identification of a model for prostate cancer treated by intermittent therapy.
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Adenocarcinoma is the most frequent cancer affecting the prostate walnut-size gland in the male reproductive system. Such cancer may have a very slow progression or may be associated with a "dark prognosis" when tumor cells are spreading very quickly. Prostate cancers have the particular properties
Cytotoxic Compounds from Juglans sinensis Dode Display Anti-Proliferative Activity by Inducing Apoptosis in Human Cancer Cells.
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Phytochemical investigation of the bark of Juglans sinensis Dode (Juglandaceae) led to the isolation of two active compounds, 8-hydroxy-2-methoxy-1,4-naphthoquinone (1) and 5-hydroxy-2-methoxy-1,4-naphthoquinone (2), together with 15 known compounds 3-17. All compounds were isolated from this plant
Report of dysgerminoma in the ovaries of a snapping turtle (Chelydra serpentina) with discussion of ovarian neoplasms reported in reptilians and women.
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A malnourished, captive, young adult (weight-11 kg, carapace length-25 cm), female snapping turtle (Chelydra serpentina) was presented for examination and treatment of malnutrition and multiple carapace necroses. Because treatment was unsuccessful, the animal was euthanatized and necropsied. The
The anti-tumor effect and biological activities of the extract JMM6 from the stem-barks of the Chinese Juglans mandshurica Maxim on human hepatoma cell line BEL-7402.
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Juglans mandshurica Maxim is a traditional herbal medicines in China, and its anti-tumor bioactivities are of research interest. Bioassay-guided fractionation method was employed to isolate anti-tumor compounds from the stem barks of the Juglans mandshurica Maxim. The anti-tumor effect and
Benzobijuglone, a novel cytotoxic compound from Juglans mandshurica, induced apoptosis in HeLa cervical cancer cells.
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A new quinone compound, p-hydroxymethoxybenzobijuglone (HMBBJ), isolated from Juglans mandshurica by bioassay-guided fractionation, showed cytotoxic activity against HeLa cell line. Its chemical structure was determined by NMR and HREIMS spectra. In this paper, its ability to induce apoptosis in
Phenylpropanoids from Juglans mandshurica exhibit cytotoxicities on liver cancer cell lines through apoptosis induction.
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Three new phenylpropanoids (1-3) together with six known congeners (4-9) were isolated from the bark of Juglans mandshurica Maxim using anti-hepatoma activity as a guide. Their structures were determined by comprehensive NMR and HRESIMS spectroscopic data analyses. All the isolated compounds were
Cytotoxicity of Triterpenes from Green Walnut Husks of Juglans mandshurica Maxim in HepG-2 Cancer Cells.
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Among the classes of identified natural products, triterpenoids, one of the largest families, have been studied extensively for their diverse structures and variety of biological activities, including antitumor effects. In the present study, a phytochemical study of the green walnut husks of Juglans
[Study on anti-tumor chemical constituents from pericarps of Juglans mandshurica].
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OBJECTIVE
To study the anti-tumor chemical components of the pericarps of Juglans mandshurica.
METHODS
The chemical constituents were isolated and purified by AB-8 macroporous adsorption resin, silica gel, Sephadex LH-20 columns and recrystallization. The structures were elucidated on the basis of
Walnut phenolic extracts reduce telomere length and telomerase activity in a colon cancer stem cell model.
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BACKGROUND/OBJECTIVES
Telomeres are located at the chromosomal ends and progressively shortened during each cell cycle. Telomerase, which is regulated by hTERT and c-MYC, maintains telomeric DNA sequences. Especially, telomerase is active in cancer and stemCompositional analysis of walnut lipid extracts and properties as an anti-cancer stem cell regulator via suppression of the self-renewal capacity.
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Colon cancer is a leading cause of cancer-related deaths worldwide. Effects of walnut (Juglans regia L.) lipid extracts (WLEs) on the self-renewal capacity of cancer stem cells (CSCs) in colon cancer were investigated. The dominant component of WLEs was α-linoleic acid (64.6%), followed by
Walnut phenolic extract inhibits nuclear factor kappaB signaling in intestinal epithelial cells, and ameliorates experimental colitis and colitis-associated colon cancer in mice.
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OBJECTIVE
Walnuts (Juglans regia) are known to have anti-cancer and immunomodulatory effects. However, little information is available on the effects of walnut phenolic extract (WPE) on intestinal inflammation and colitis-associated colon cancer.
METHODS
COLO205 cells were pretreated with WPE and
Oncogenic osteomalacia caused by a phosphaturic mesenchymal tumor of the oral cavity: a case report.
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We report a case of oncogenic osteomalacia associated with a phosphaturic mesenchymal tumor in a 31-year-old woman. She was presented with severe generalized bone and muscle pain and was restricted to bed. She lost 20 cm in height over the 8 years since she had first noticed a pain in her thigh. A
Juglone, isolated from Juglans mandshurica Maxim, induces apoptosis via down-regulation of AR expression in human prostate cancer LNCaP cells.
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Juglone is a natural compound which has been isolated from Juglans mandshurica Maxim. Recent studies have shown that juglone had various pharmacological effects such as anti-viral, anti-bacterial and anti-cancer. However, its anti-cancer activity on human prostate cancer LNCaP cell has not been
Dietary walnuts inhibit colorectal cancer growth in mice by suppressing angiogenesis.
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OBJECTIVE
Animal studies have demonstrated that dietary supplementation with flaxseed oil inhibits colorectal cancer growth. Recent data indicate that walnuts have strong antiproliferative properties against colon cancer cells in vitro but no previous study has assessed the effects of walnuts in
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