helichrysum/vähivastane

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Anticarcinogenic compounds in the Uzbek medicinal plant, Helichrysum maracandicum.

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An ethanol extract of Helichrysum maracandicum showed antiproliferative activity against cultured cells of SENCAR mouse in an in vitro assay, and activity-guided fractionation of the extract resulted in the isolation of isosalipurposide as an active substance. Naringenin chalcone, the aglycone of

Investigation relevant to the conformation of the 17-membered Pt(d(GpG)) macrocyclic ring formed by Pt anticancer drugs with DNA: Pt complexes with a Goldilocks carrier ligand.

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Platinum anticancer drug DNA intrastrand cross-link models, LPt(d(G*pG*)) (G* = N7-platinated G residue, L = R(4)dt = bis-3,3'-(5,6-dialkyl)-1,2,4-triazine), and R = Me or Et), undergo slow Pt-N7 bond rotation. NMR evidence indicated four conformers (HH1, HH2, ΔHT1, and ΛHT2); these have different

In vitro antitumor actions of extracts from endemic plant Helichrysum zivojinii.

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BACKGROUND The aim of this research was to determine the intensity and mechanisms of the cytotoxic actions of five extracts isolated from the endemic plant species Helichrysum zivojinii Černjavski & Soška (family Asteraceae) against specific cancer cell lines. In order to evaluate the sensitivity of

Reversible inhibition of three important human liver cytochrome p450 enzymes by tiliroside.

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Tiliroside, an active flavonoid extensively found in many medicinal plants including Helichrysum italicum, Geranium mexicanum and Helianthemum glomeratum, has been demonstrated to exert multiple biological effects including antiinflammatory, antimicrobial, antioxidant and antitumor activities.

Genotoxicity and antigenotoxicity of some essential oils evaluated by wing spot test of Drosophila melanogaster.

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Essential oils extracted from the three medicinal plants; Helichrysum italicum, Ledum groenlandicum and Ravensara aromatica, together with their mixture were tested for their genotoxic and antigenotoxic activities against urethane, a well-known promutagen. We have adopted the somatic mutations and

In vitro genotoxic effects of four Helichrysum species in human lymphocytes cultures.

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Helichrysum sanguineum, Helichrysum pamphylicum, Helichrysum orientale, Helichrysum noeanum (Asteraceae) are medicinal plants. For centuries, they have been used as tea in Turkey because of their medicinal properties. So far no scientific evidence has been found in a literature survey regarding the

Two structurally distinct chalcone dimers from Helichrysum zivojinii and their activities in cancer cell lines.

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Dimers tomoroside A (1) and tomoroside B (2) of the co-occuring known chalcone monomer (3), along with the seven known flavonoid glucosides (4-10), were isolated from the aerial parts of Helichrysum zivojinii Černjavski & Soška. The structures of the isolated compounds were elucidated by

Mutagenic and antimutagenic properties of extracts from South African traditional medicinal plants.

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OBJECTIVE The aim of this paper was to summarize the results of our investigations on the in vitro genotoxic as well as antigenotoxic effects of a great number of selected South African traditional medicinal plants. METHODS Investigations of methanol and dichloromethane extracts of selected plants

Evaluation of the mutagenic and antimutagenic effects of South African plants.

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Dichloromethane and 90% methanol extracts of 42 South African plants were screened for mutagenicity and antimutagenicity using the Salmonella/microsome mutagenicity assay (Ames) against Salmonella typhimurium TA98 and TA100 bacterial strains in the presence and absence of metabolic activator S9. The

Helichrysum gymnocephalum essential oil: chemical composition and cytotoxic, antimalarial and antioxidant activities, attribution of the activity origin by correlations.

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Helichrysum gymnocephalum essential oil (EO) was prepared by hydrodistillation of its leaves and characterized by GC-MS and quantified by GC-FID. Twenty three compounds were identified. 1,8-Cineole (47.4%), bicyclosesquiphellandrene (5.6%), γ-curcumene (5.6%), α-amorphene (5.1%) and

Outcomes analysis of Goldilocks mastectomy and breast reconstruction: A single institution experience of 96 cases.

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The Goldilocks mastectomy procedure involves local contouring of completely autologous breast tissue created by preserving and de-epithelializing the residual mastectomy flaps. The purpose of this study was to provide outcomes data for 96-Goldilocks mastectomy procedures analyzing

Cancer-suppressive potential of extracts of endemic plant Helichrysum zivojinii: effects on cell migration, invasion and angiogenesis.

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Helichrysum zivojinii Cernjavski & Soska is an endemic plant species that grows in the National Park Galicica in Macedonia. Five extracts were isolated as fractions from the aerial parts of the plant: a n-hexane extract (1), a dichloromethane extract (2), an ethyl-acetate extract (3), a n-butanol

Cytogenetic effects of nine Helichrysum taxa in human lymphocytes culture.

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Helichrysum Mill. (Asteraceae) species have been used in folk medicine for thousands of years in the world. The in vitro cytogenetic effects in human lymphocytes of nine Helichrysum taxa used in Turkey folk medicine were investigated. Blood samples were obtained from healthy donors, non-smoking

[THE EFFECT OF PLANT EXTRACTS ON THE CYCLOPHOSPHAMIDE INDUCTION OF MICRONUCLEUS IN RED BLOOD CELLS OF OUTBRED WHITE MICE].

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Antimutagenic properties flavonoids extracts of the three plants Gratiola officinalis L., Helichrysum arenarium L., anthocyanin forms Zea mays L. were investigated. Analysis was performed by counting the micronucleus in peripheral blood erythrocytes outbred white mice; the mutagen was

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