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In-vitro antiproliferative effects on human tumour cell lines of extracts and jacaranone from Senecio leucanthemifolius Poiret.

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We have studied the cytotoxic activity of extracts and jacaranone from Senecio leucanthemifolius Poiret. Extracts from S. leucanthemifolius were able to inhibit the in-vitro proliferation of a series of human tumour cell lines. The dichloromethane extract demonstrated effective cytotoxic activity

Jacaranone: a cytotoxic constituent from Senecio ambiguus subsp. ambiguus (biv.) DC. against renal adenocarcinoma ACHN and prostate carcinoma LNCaP cells.

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Senecio ambiguus subsp. ambiguus (Biv.) DC. extracts were able to inhibit the in vitro proliferation of renal cell adenocarcinoma ACHN and hormone dependent prostate carcinoma LNCaP. The potential cytotoxic property of the plant was revealed by the methanolic extract action against LNCaP (IC50 of

Synthesis of Jacaranone-Derived Nitrogenous Cyclohexadienones and Their Antiproliferative and Antiprotozoal Activities.

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The cytotoxic and antiprotozoal activities of the phytoquinoide, jacaranone, and related compounds have been an ongoing topic in recent drug discovery. Starting from the natural product-derived cyclohexadienone scaffold, a series of nitrogen-containing derivatives were synthesized and subsequently

Jacaranone induces apoptosis in melanoma cells via ROS-mediated downregulation of Akt and p38 MAPK activation and displays antitumor activity in vivo.

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BACKGROUND Malignant melanoma is a deadly type of metastatic skin cancer with increased incidence over the past 30 years. Despite the advanced knowledge on the biology, immunobiology and molecular genetics of melanoma, the alternatives of treatment are limited with poor prognosis. On clinical

Jacaranone analogs from Senecio scandens.

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Bioassay-guided fractionation of the ethanolic extract of Senecio scandens led to the isolation of four new compounds 4, 5, 7, and 8, along with four known jacaranone analogs (1, 2, 3, 6). Their structures were elucidated on the basis of spectral and chemical evidence. Compound 7 was obtained as a

A new jacaranone derivative from Senecio scandens var. incisus.

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A new jacaranone derivative, 2-(1,6-dihydroxy-4-oxocyclohex-2-enyl) acetic acid (1), has been isolated from the whole plants of Senecio scandens var. incisus, together with three known compounds: 2'-(p-hydroxyl-cinnamoyl)-6'-jacaranone-D-glucopyranoside (2),

Synthesis and Biological Evaluations of Cytotoxic and Antiangiogenic Triterpenoids-Jacaranone Conjugates.

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BACKGROUND The development of antiangiogenic agents arises as a more effective and selective therapeutic approach for the treatment of cancer. In addition to reduced acute toxicity, the efficacy of chemotherapy could be improved when administered in combination specific antiangiogenic with cytotoxic

Jacaranone glycosides from Senecio scandens.

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Bioassay-guided fractionation of the ethanol extract of Senecio scandens led to the isolation of four new compounds 1-4. These compounds were obtained as tautomeric mixture of alpha/beta epimers, but their structures were confirmed unambiguously by 1D and 2D NMR spectra and LC NMR technology. 1H NMR

Jacaranda--an ethnopharmacological and phytochemical review.

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The genus Jacaranda, an important representative of the tribe Tecomeae in the family Bignoniaceae, is interesting from both biological and chemical perspectives. In this review, a contemporary summary of biological and pharmacological research on Jacaranda species will be presented and critically

Two new glycosides from the fruits of Forsythia suspense.

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Two new glycosides suspensaside C (1) and 2,3,5,6-tetrahydro-jacaranone-4-O-β-D-glucopyranoside (2), together with four known compounds suspensaside A (3), rengynic acid-1'-O-β-D-glucopyranoside (4), forsythoside A (5), and rengynic acid (6), were isolated from the fruits of Forsythia suspense

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