Deutsch
Albanian
Arabic
Armenian
Azerbaijani
Belarusian
Bengali
Bosnian
Catalan
Czech
Danish
Deutsch
Dutch
English
Estonian
Finnish
Français
Greek
Haitian Creole
Hebrew
Hindi
Hungarian
Icelandic
Indonesian
Irish
Italian
Japanese
Korean
Latvian
Lithuanian
Macedonian
Mongolian
Norwegian
Persian
Polish
Portuguese
Romanian
Russian
Serbian
Slovak
Slovenian
Spanish
Swahili
Swedish
Turkish
Ukrainian
Vietnamese
Български
中文(简体)
中文(繁體)
pterocarpan/krebs
Der Link wird in der Zwischenablage gespeichert
Seite 1 von 39 Ergebnisse
11a-N-Tosyl-5-deoxi-pterocarpan, LQB-223, a novel compound with potent antineoplastic activity toward breast cancer cells with different phenotypes.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Multidrug resistance is the major obstacle for successful treatment of breast cancer, prompting the investigation of novel anticancer compounds.
OBJECTIVE
In this study, we tested whether LQB-223, an 11a-N-Tosyl-5-deoxi-pterocarpan newly synthesized compound, could be effective toward breast cancer
Polyphenolic Compounds from Lespedeza Bicolor Root Bark Inhibit Progression of Human Prostate Cancer Cells via Induction of Apoptosis and Cell Cycle Arrest.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
From a root bark of Lespedeza bicolor Turch we isolated two new (7 and 8) and six previously known compounds (1-6) belonging to the group of prenylated polyphenols. Their structures were elucidated using mass spectrometry, nuclear magnetic resonance and circular dichroism spectroscopy. These
Velucarpin D, a new pterocarpan from the stems of Dalbergia velutina and its cytotoxicity.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
A new pterocarpan, named velucarpin D (1), along with nine known pterocarpans (2-10) were isolated from the stems of Dalbergia velutina. Their structures were determined by spectroscopic analysis. All isolated compounds were evaluated for their cytotoxicity against five human
A pterocarpan from the seeds of Bituminaria morisiana.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
A new prenylated pterocarpan, named morisianine, was isolated together with the known secondary metabolites erybraedin C, psoralen and angelicin from the seeds of Bituminaria morisiana. The structures of the compounds were elucidated mainly by 1D and 2D NMR experiments as well as mass spectrometry.
Pterocarpans from the root bark of Aeschynomene fascicularis.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
A new pterocarpan, aeschynocarpin (1), and the known pterocarpan 2-methoxymedicarpin (2) were isolated for the first time from Aeschynomene fascicularis (Fabaceae) and their structures elucidated by means of spectroscopic {UV/Vis, IR, and NMR (1H, 13C, COSY, HMQC,and HMBC)} andmass spectrometric
Pterocarpans and triterpenoids from Gueldenstaedtia verna.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Two new pterocarpan glycosides (1-2), five new triterpenoids (3-7), and 13 known analogues (14-20) were isolated from the whole plants of Gueldenstaedtia verna. These new compounds (1-7) were elucidated by extensive spectroscopic techniques including 1D ((1)H and (13)C) and 2D NMR experiments (COSY,
Flavonoid-related regulation of auxin accumulation in Agrobacterium tumefaciens-induced plant tumors.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Agrobacterium tumefaciens-induced plant tumors accumulate considerable concentrations of free auxin. To determine possible mechanisms by which high auxin concentrations are maintained, we examined the pattern of auxin and flavonoid distribution in plant tumors. Tumors were induced in transformants
Pterocarpan scaffold: A natural lead molecule with diverse pharmacological properties.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Phytoalexins are substances produced by plants that act as potent inhibitors of pathogens. Pterocarpans are biologically active isoflavonoids most commonly found in the family Fabaceae that have the ability to act as phytoalexins. It is made up of a tetracyclic ring system possessing
Bioassay-guided fractionation of pterocarpans from roots of Harpalyce brasiliana Benth.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Pterocarpans, a special kind of isoflavonoids possessing two contiguous benzofuran and benzopyran rings, have been reported as possessing several biological activities. In order to isolate and identify the active principles possibly responsible for the stronger activity of the EtOH extract from
Two new pterocarpans and a new pyrone derivative with cytotoxic activities from Ptycholobium contortum (N.E.Br.) Brummitt (Leguminosae): revised NMR assignment of mundulea lactone.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
BACKGROUND
Ptycholobium is a genus related to Tephrosia which comprises only three species. Compared to Tephrosia, which has been phytochemically and pharmacologically studied, Ptycholobium species have only few or no reports on their chemical constituents. Moreover, no studies on the cytotoxic
Antioxidant and antiproliferative activity of indigocarpan, a pterocarpan from Indigofera aspalathoides.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
OBJECTIVE
This study aimed to investigate the anticancer potential of indigocarpan (1), a pterocarpan isolated from Indigofera aspalathoides, a plant found in India which has been used in Ayurveda for centuries for the treatment of oedematous tumours.
METHODS
The antiproliferative activity in a
Activity of three cytotoxic isoflavonoids from Erythrina excelsa and Erythrina senegalensis (neobavaisoflavone, sigmoidin H and isoneorautenol) toward multi-factorial drug resistant cancer cells.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
BACKGROUND
Resistance of cancer cells to chemotherapy has become a worldwide concern. Naturally occuring isoflavonoids possess a variety of biological activities including anti-cancer effects. The present study was aimed at investigating the cytotoxicity and the modes of action of three naturally
Cytotoxic flavonoids and isoflavonoids from Erythrina sigmoidea towards multi-factorial drug resistant cancer cells.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
BACKGROUND
Continuous efforts from scientists of diverse fields are necessary not only to better understand the mechanism by which multidrug resistant (MDR) cancer cells occur, but also to boost the discovery of new cytotoxic compounds. This work was designed to assess the cytotoxicity and the
Anti-clastogenic activity of two structurally related pterocarpans purified from Bituminaria bituminosa in cultured human lymphocytes.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Plant-derived isoflavones are currently receiving much attention because of their phyto-estrogenic, antioxidant, anti-mutagenic, and anti-tumor activities. In this study we have evaluated the clastogenic and anti-clastogenic activities in human lymphocytes of two structurally related pterocarpans,
Erybraedin C and bitucarpin A, two structurally related pterocarpans purified from Bituminaria bituminosa, induced apoptosis in human colon adenocarcinoma cell lines MMR- and p53-proficient and -deficient in a dose-, time-, and structure-dependent fashion.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Pterocarpans, the second group of natural isoflavonoids, have received considerable interest on account of their medicinal properties. These drugs are employed as antitoxins, but display antifungal, antiviral and antibacterial properties as well. Erybraedin C and bitucarpin A are two new
Die vollständigste Datenbank für Heilkräuter, die von der Wissenschaft unterstützt wird
- Arbeitet in 55 Sprachen
- Von der Wissenschaft unterstützte Kräuterkuren
- Kräutererkennung durch Bild
- Interaktive GPS-Karte - Kräuter vor Ort markieren (in Kürze)
- Lesen Sie wissenschaftliche Veröffentlichungen zu Ihrer Suche
- Suchen Sie nach Heilkräutern nach ihrer Wirkung
- Organisieren Sie Ihre Interessen und bleiben Sie über Neuigkeiten, klinische Studien und Patente auf dem Laufenden
Geben Sie ein Symptom oder eine Krankheit ein und lesen Sie über Kräuter, die helfen könnten, geben Sie ein Kraut ein und sehen Sie Krankheiten und Symptome, gegen die es angewendet wird.
* Alle Informationen basieren auf veröffentlichten wissenschaftlichen Forschungsergebnissen
