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  • Küçük Resim
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    Determination of chemical components of the endemic species Allium turcicum L. plant extract by LC-MS/MS and evaluation of medicinal potentials
    (Elsevier Ltd, 2024) İpek, Polat; Atalar, Mehmet Nuri; Baran, Ayşe; Baran, Mehmet Fırat; Ommati, Mohammad Mehdi; Karadağ, Musa; Zor, Murat
    The Allium turcicum L. (Zuzubak) plant as a cultivated vegetable have various health benefits and consumed as a food. Due to the shortcoming evidence in literature and the importance of this plant in folk medicine, in the present study, for the first time, we evaluated the bioactive profile of components (using LC-MS/MS), cytotoxicity, anticancer, antioxidant, and antibacterial prospectives of Zuzubak methanol extract. Reported results show that the extract is rich in bioactive compounds and has anticancer activity with breast cancer cells (MCF-7), human prostate cancer cells (DU-145), and Human osteosarcoma cancer Cell lines of (IC50) in dose dependent manner in the concentration range of 31.25 ?g/mL and 2000 ?g/mL for 24 and 48 h. Western blotting results determined that the extract significantly suppressed the growth of U2OS, MCF-7, and DU-145 cancer cells by down expression of Ang-1 (angiogenic protein) and Beclin-1 (autophagy protein) and overexpression of Bax (a proapoptotic protein). The oxidative stress indices showed a reduction in RPE-1 and MCF-7 cells and an upsurge in U2OS and DU-145 cells. Additionally, the antimicrobial assay showed suppression of the growth of various pathogenic microorganisms in 4.00–8.00 ?g/concentrations of Zuzubak extract using the microdilution method. The phytochemicals identified showed promising anticancer, antioxidant effects, and antimicrobial properties, representing a valuable herbal source for drug development studies. © 2024 The Authors
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    Rapid synthesis of silver nanoparticles with Rheum ribes L Fruit Peels: Anticancer and antimicrobial effects with biocompatible structures
    (Ankara University, 2024) Zor, Murat; Baran, Mehmet Fırat; İpek, Duygu Neval Sayın
    Silver nanoparticles (AgNPs) are substances with a wide range of uses. Utilizing extracts obtained from the peels of Rheum ribes L. (Rr) fruit growing in Erzurum region, silver nanoparticles were rapidly created in this study with a quick, easy, and environmentally friendly technique without harmful processes. In order to evaluate the attributes of the synthesized Rr-AgNPs, FE-SEM or TEM micrographs were utilized to characterize their morphology. A UV-visible spectrophotometer was used to assess the highest absorbance bands of RR-AgNPs. These data were used to define RR-AgNPs, which were characterized as having exclusively negative surface charges of -25 mV, spherical shape, maximum absorbance at 428 nm wavelength, and 96 nm size distribution. The effectiveness of the produced AgNPs for use in medical applications was assessed using the MTT technique with microdilution. Minimum inhibition concentrations of Rr-AgNPs for pathogen strains ranged from 0.03 to 0.50 mg/L. Additionally, it was discovered that AgNPs effectively suppressed malignant cells, with rates of 86.27%, 74.67%, and 73.49%, in the investigation of the anticancer effects of AgNPs. Healthy cells were not subject to any inhibitory effects at the same concentrations. © 2024, Ankara University. All rights reserved.