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ŞİMŞEK, MELİH

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Author: Simsek, MELİH × Start date: 2020 × End date: 2022 × Has files: false ×

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    The effect of adenosine triphosphate on sunitinib-induced cardiac injury in rats
    (2020-08-01T00:00:00Z) KARA, ALİ VEYSEL; Aldemir, Mehmet Şerif; Simsek, MELİH; ÖZÇİÇEK, FATİH; MAMMADOV, RENAD; YAZICI, GÜLCE NAZ; SUNAR, MUKADDER; COŞKUN, REŞİT; GÜLABOĞLU, Mine; SÜLEYMAN, HALİS; ŞİMŞEK, MELİH
    In this study, we aimed to show the effect of adenosine 5 --triphosphate (ATP) on sunitinib-induced cardiac injury in rats. The rats (n = 30) were divided equally into three groups as sunitinib group (SG), sunitinib plus ATP group (SAG), and healthy group (HG); 2 mg/kg ATP was injected intraperitoneally (ip) to the SAG group. Same volume normal saline as solvent was administered ip to the other two groups. After 1 h, 25 mg/kg sunitinib was applied orally via catheter to stomach in the SAG and SG groups. This procedure was repeated once daily for 5 weeks. At the end of this period, all animals were sacrificed and their cardiac tissue was removed. Malondialdehyde (MDA), total glutathione (tGSH), tumor necrosis factor alpha (TNF-alpha), and nuclear factor kappa B (NF-kappa B) levels in rats- cardiac tissues and troponin I (Tp-I) levels in rats- blood samples were evaluated. Histopathological analysis was also performed in cardiac tissues of the animals. MDA, TNF-alpha, NF-kappa B, and Tp-I levels were higher in the SG group compared to the SAG and HG groups (p < 0.001). tGSH levels of the SG group were lower than the SAG and HG groups (p < 0.001). The structure and morphology of cardiac muscle fibers and blood vessels were normal in the control group. In the SG group, obvious cardiac muscle tissue damage with dilated myofibers, locally atrophic myofibers, and congested blood vessels were observed. In the SAG group, marked amelioration in these findings was observed. We showed this for the first time that ATP administration exerts a protective effect against cardiac effects of sunitinib.
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    Serum IL-23, E-selectin and sICAM levels in non-small cell lung cancer patients before and after radiotherapy
    (2020-05-01T00:00:00Z) Ozmen, Hilal Kiziltunc; Simsek, MELİH; ŞİMŞEK, MELİH
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