oxytropis pilosa/krabbamein

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[In vivo anti-tumor effect of Oxytropis kansuensis alkaloid fraction and its influence on immune function].

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OBJECTIVE To study the in vivo anti-tumor effect of Oxytropis kansuensis alkaloid fraction (OKAF) in live cancer cell line H22 and its influence on immune function in KM mice. METHODS Sixty mice with transplanted mouse originated liver cancer cell line H22 were divided randomly into five groups, the

Alkaloids from Oxytropis ochrocephala and antiproliferative activity of sophoridine derivatives against cancer cell lines.

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Ten alkaloids (1-10), with sophoridine (1) as the most abundant component, were obtained from the whole plants of Oxytropis ochrocephala Bunge. Furthermore, eight new sophoridine derivatives (11-16, 20, 21), with modification on the C-14 position of 1 were synthesized. All compounds (1-16, 20, 21)

2',4'-dihydroxychalcone, a flavonoid isolated from Herba oxytropis, suppresses PC-3 human prostate cancer cell growth by induction of apoptosis.

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Natural products are a promising source for the development of novel cancer therapies, due to their potential effectiveness and low toxicity proﬁles. As a main component of Herba oxytropis, 2',4'-dihydroxychalcone (TFC) is known to demonstrate anti-tumor activity in vitro. In the present study, TFC

Preliminary studies on anti-tumor activity of 2',4'-dihydroxychalcone isolated from Herba Oxytropis in human gastric cancer MGC-803 cells.

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2',4'-Dihydroxychalcone (TFC), one of the main components in Herba Oxytropis, belongs to the flavonoid group, which is known to have anti-tumor activity in vitro. In this study, the authors examined the effects of TFC on cell proliferation and apoptosis in human gastric cancer MGC-803 cells. The MTT

Structurally Diverse Cytotoxic Dimeric Chalcones from Oxytropis chiliophylla.

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Ten isomeric cyclobutane- and cyclohexene-containing chalcone dimers, oxyfadichalcones A-G, were isolated from the aerial parts of Oxytropis chiliophylla. These included six new compounds and three pairs of enantiomers that are being reported from natural sources for the first time. The relative

Oxytrodiflavanone A and Oxytrochalcoflavanones A,B: New Biflavonoids from Oxytropis chiliophylla.

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Three previously undescribed biflavonoids, oxytrodiflavanone A (1), and oxytrochalcoflavanones A,B (2,3), were isolated from the aerial part of Oxytropis chiliophylla, together with their putative biosynthetic monomers, i.e., (2S)-5,7-dihydroxyflavanone (4),

The effect of alkaloid from Oxytropis ochrocephala on growth inhibition and expression of PCNA and p53 in mice bearing H22 Hepatocellular Carcinoma.

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To study the antitumor activity of alkaloid extracted from Oxytropis ochrocephala and its possible mechanism, we observed the effect of alkaloid on tumor weight and expression of PCNA and p53 in mice bearing H(22) hepatocellular carcinoma by means of immunohistochemistry SP method. After treatment

Sesquiterpenoids and mycotoxin swainsonine from the locoweed endophytic fungus Alternaria oxytropis.

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Oxytropiols A-J, ten undescribed guaiane-type sesquiterpenoids, and the mycotoxin swainsonine (SW) were isolated from the locoweed endophytic fungus Alternaria oxytropis. The chemical structures of these sesquiterpenoids were elucidated on the basis of HR-ESI-MS and NMR data including ¹H,

Oxytrofalcatins A-F, N-benzoylindole analogues from the roots of Oxytropis falcata (Leguminosae).

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Indole alkaloids, oxytrofalcatins A-F (1-6), together with five other known alkaloids (7-11), were isolated from the roots of Oxytropis falcata. Their structures were elucidated by comprehensive spectroscopic analyses, including using 1D and 2D NMR spectroscopy and mass spectrometry. This is the

Antitumor effects of two extracts from Oxytropis falcata on hepatocellular carcinoma in vitro and in vivo.

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OBJECTIVE To investigate the antitumor effects of extracts from Oxytropis falcata on human hepatocellular carcinoma SMMC-7721 cells in vitro and in transplanted murine H22 tumors in vivo. METHODS Cell proliferation, cell cycle distribution and apoptosis in SMMC-7721 cells were determined and tumor

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