1 Ocak 2022 Dergi makalesi Açık Erişim

Yaglioglu, Ayse Sahin; Gurbuz, Duygu Gunes; Dolarslan, Melda; Demirtas, Ibrahim

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    <subfield code="a">Isolation and characterization of anticancer activity guided secondary metabolites of endemic Astragalus leucothrix Freyn&amp;amp; Bornm were aimed. Aerial parts of the plant were extracted by maceration method in the solvent system methanol-chloroform (1 : 1) at room temperature. The obtained crude extract was dissolved in purified water. Then, the extract was partitioned with n-hexane, chloroform, ethyl acetate, and n-butanol, respectively. Anticancer activity tests of all the fractions were performed against HeLa and C6 cancer cells. The chloroform fraction that has highest anticancer activity was subjected to chromatographic methods such as column chromatography and thin layer chromatography. Pentyl tetratetracontanoate (1), alfalone (2), 3,6,8-tribromoquinoline (3), and 3,6,8-tribromochromenium (4) molecules were detected from this plant for the first time. The structure determinations of the isolated molecules were elucidated by methods such as 1D and 2D NMR, HPLC -TOF / MS, and GC -MS analysis. Finally, anticancer and cytotoxic activity tests of the compounds were performed. Literature review showed that 3,6,8-tribromochromenium is a new compound. IC50 values of compound 1-2 and compound 3-4 mix were determined to be 4.50 +/- 0.10, 2.81 +/- 0.00, 4.33 +/- 0.00 mu M against C6 cell, respectively. The drug likeness properties of 1-4 were obtained by SwissADME. According to Lipinski's rule of five; 2-4 could be a new potential anticancer agent.</subfield>
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    <subfield code="a">Yaglioglu, Ayse Sahin</subfield>
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    <subfield code="a">First determination of anticancer, cytotoxic, and in silico ADME evaluation of secondary metabolites of endemic Astragalus leucothrix Freyn &amp; Bornm</subfield>
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