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podocarpus/chemioterapia dei tumori
Il collegamento viene salvato negli appunti
10 risultati
Identification of nagilactone E as a protein synthesis inhibitor with anticancer activity.
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Norditerpenoids and dinorditerpenoids represent diterpenoids widely distributed in the genus Podocarpus with notable chemical structures and biological activities. We previously reported that nagilactone E (NLE), a dinorditerpenoid isolated from Podocarpus nagi, possessed anticancer effects against
Potential antioxidant, antiinflammatory, and proapoptotic anticancer activities of Kakadu plum and Illawarra plum polyphenolic fractions.
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Kakadu plum (Terminalia ferdinandiana Exell, Combretaceae) and Illawarra plum (Podocarpus elatus Endl., Podocarpaceae) extracts were fractionated, using a bioassay-guided approach and screened for antioxidant activity [oxygen radical absorbance capacity (ORAC) and cellular antioxidant activity (CAA)
Anticancer Activities and Mechanism of Action of Nagilactones, a Group of Terpenoid Lactones Isolated from Podocarpus Species
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Nagilactones are tetracyclic natural products isolated from various Podocarpus species. These lactone-based compounds display a range of pharmacological effects, including antifungal, anti-atherosclerosis, anti-inflammatory and anticancer activities reviewed here. The most active derivatives, such
Antitumor activity of norditerpenoid dilactones in Podocarpus plants: structure-activity relationship on in vitro cytotoxicity against Yoshida sarcoma.
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The in vitro cytotoxicity of norditerpenoid dilactones isolated from Podocarpus plants was determined against cultured Yoshida sarcoma cells. The dilactones involved 15 natural lactones as well as their derivatives, which include appropriate modifications necessary to the estimation of the
7α,8α-Epoxynagilactones and their glucosides from the twigs of Podocarpus nagi: Isolation, structures, and cytotoxic activities.
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A phytochemical investigation of twigs of Podocarpus nagi resulted in the identification of eight new type B nagilactones (1-8), all bearing a 7α,8α-epoxy-9(11)-enolide substructure, along with two known analogs (9-10). Their structures were determined on the basis of spectroscopic analysis,
Downregulation of Cyclin B1 mediates nagilactone E-induced G2 phase cell cycle arrest in non-small cell lung cancer cells.
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Non-small cell lung cancer (NSCLC) is one of the most common forms and leading causes of cancer-related mortality worldwide, and discovery of new effective drugs still remains imperative to improve the survival rate. Nagilactone E (NLE) is a natural product isolated from Podocarpus nagi seeds, which
Native Australian fruit polyphenols inhibit cell viability and induce apoptosis in human cancer cell lines.
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Apoptosis is one of the most critical forms of defense against cancer, and the induction of apoptosis by dietary polyphenols represents significant potential for cancer preventive activity. The present study examined polyphenols extracted from selected native Australian fruits--Illawarra plum
Mutagenicity, antimutagenicity and cytotoxicity evaluation of South African Podocarpus species.
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BACKGROUND
Four species of Podocarpus are used in traditional medicine both in human and animal healthcare in South Africa. In vitro pharmacological screening of leaf and stem extracts of these species exhibited potent antimicrobial, anti-inflammatory, anti-tyrosinase, anthelmintic,
Nagilactone E increases PD-L1 expression through activation of c-Jun in lung cancer cells
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Nagilactone E (NLE), a natural product with anticancer activities, is isolated from Podocarpus nagi. In this study, we reported that NLE increased programmed death ligand 1 (PD-L1) expressions at both protein and mRNA levels in human lung cancer cells, and enhanced its localization on the cell
[Isolation and identification of a taxol-producing endophytic fungus from Podocarpus].
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OBJECTIVE
Endophytic fungi can produce beneficial active components during symbiosis with host plants. We isolated a taxol-producing endophytic fungus strain from Podocrapus.
METHODS
The anti-tumor activity of the endophytic funguswas detected by Methyl Thiazolyl Tetrazolium (MTT) method with Vero
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