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Onur Tokgun,Hakan Akca,Ramazan Mammadov,Candan Aykurt,Go¨khan Deniz 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.11
Conventional and newly emerging treatment procedures such as chemotherapy, catalytic therapy, photodynamic therapy, and radiotherapy have not succeeded in reversing the outcome of cancer diseases to any drastic extent, which has led researchers to investigate alternative treatment options. The extensive repertoire of traditional medicinal knowledge systems from various parts of the world are being re-investigated for their healing properties. It has been reported that several members of the Convolvulaceae, Iridaceae, and Liliaceae families have antitumor activity against some tumor cell lines. Here we first report that Convolvulus galaticus, Crocus antalyensis, and Lilium candidum species have cytotoxic activity on human breast cancer cell line MCF-7 cells. Plant samples were collected and identified, and their cytotoxic effects on the MCF-7 cell line were examined at different concentrations of methanol extracts. We found that all three plants have cytotoxic effects on MCF-7 cells but that C. galaticus has the strongest cytotoxic effect even in the lowest extract concentration tested (0.32 μg/mL). Our results indicate that these plant extracts have cytotoxic effects on human breast carcinoma cell line MCF-7 cells and that this cytotoxic effect comes from p53-mediated stimulation of apoptosis.
Cyclamen Exerts Cytotoxicity in Solid Tumor Cell Lines: a Step Toward New Anticancer Agents?
Yildiz, Mustafa,Bozcu, Hakan,Tokgun, Onur,Karagur, Ege Riza,Akyurt, Oktay,Akca, Hakan Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.10
Cyclamen coum is a traditional medicinal plant in the Turkey. Its anticancer properties and whether cyclamen extract induces any cytotoxicity in solid cancer cell lines have not been thoroughly investigated previously. Therefore we examined cytotoxic effects on cervical cells; HeLa and non small cell lung cancer cell, H1299, lines; Cyclamen extract induced cellular death of both HeLa and H1299 cells in a dose dependent manner. We also analyzed the capacity of cyclamen extract to induce apoptosis by the TUNEL method. Here, for the first time we report that the extract of Cyclamen coum, an endemic plant for Turkey, Bulgaria, Georgia and the Middle East can induce cytotoxicity via apoptosis in HeLa and H1299 cells. These results imply that cyclamen extract can be further analyzed to potentially find novel anticancer compounds.
Filiz Uzumcugil,Aysun Ankay Yilbas,Basak Akca,Demet Basak Ozkaragoz,Selen Adiloğ,lu,Hıfzı Hakan Tuz,Meral Kanbak 대한구강악안면외과학회 2020 대한구강악안면외과학회지 Vol.46 No.2
Objectives: The requirement for overnight hospital stay should be considered preoperatively according to patient-related factors, type of surgery, and anesthetic management plan. In this study, we aimed to define the major factors that influence consideration of overnight hospital stay in patients undergoing oral and maxillofacial (OMF) surgery in an operating room (OR) of a dental hospital in an outpatient setting. Materials and Methods: The records of patients who underwent oral procedures under general anesthesia between 2014-2017 were reviewed. Results: A total of 821 patients underwent oral procedures under general anesthesia; 631 of them underwent OMF surgery in the OR of a dental hospital, and 174 of these patients were hospitalized for overnight stay. There was no significant difference in the number of patients with comorbidities between the outpatient and hospitalized patient groups (P=0.389). The duration of surgery was longer in the hospitalized patient group (105.25±57.48 vs 189.62±82.03 minutes; P<0.001). Double-jaw (n=15; 310.00±54.21 minutes) and iliac crest grafting surgeries (n=59; 211.86±61.02 minutes) had the longest durations. Patients who underwent iliac crest grafting had the highest rates of hospitalization (79%). The overall recovery period was longer in outpatients (119.40±41.60 vs 149.83±52.04; P<0.001). Conclusion: Duration of surgery was the main determinant in considering whether a patient required overnight hospital stay. However, patients with an American Society of Anesthesiology physical status score <3 may be scheduled for OMF surgery in the OR of a dental hospital in an outpatient setting regardless of duration of surgery if overnight hospital stay is planned or an extended recovery period is provided until patients meet the discharge criteria.