Yazar "Alcigir, Mehmet Eray" seçeneğine göre listele

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    Evaluation of the combined effects of Turkish mad honey and 5-Fluorouracil in colon cancer model in rats
    (Ankara Univ, 2023) Kurtdede, Efe; Alcigir, Mehmet Eray; Alperen, Ahmet Mahmut; Baran, Berk; Karaca, Oguz Kaan; Gulendag, Erman
    It was aimed to evaluate the regressive effect of grayanotoxin-rich Turkish mad honey and 5-fluorouracil (5-FU), separately and together by using the Nmethyl-N-nitrosourea (MNU)-induced colon cancer modelling in rats. Study groups were designed as control group (CG), cancer control group (CCG), 5Flourouracil group (FUG), Turkish mad honey group (HG), Turkish mad honey and 5-FU combined group (FU-HG). White blood cell (WBC), lymphocyte, eosinophil, basophil, serum lactate dehydrogenase (LDH), total oxidant status (TOS), and total protein values of the rats in the CCG were significantly lower than the values of the rats in the CG, whereas serum Bcl-2 and survivin levels were significantly higher in the rates belonged to the CCG in comparison to those in the CG. The presence of anaplastic epithelial cells, vascularization, precancerous changes, and inflammatory infiltration detected in the colon and small intestine of the rats in FU-HG, FUG, HG were less intense (P<0.05) compared to the findings in the rats in CCG. In conclusion, mad honey and 5 FU reduced anaplastic cell growth and oxidative stress via suppressed antiapoptotic activity. Considering the histopathological findings in the liver and kidney, no toxicity occurred related to mad honey and 5-FU metabolization. Therefore, the combined use of these two substances may be an alternative method in the treatment of colon cancer.
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    Öğe
    Evaluation of tumor-suppressive properties and apoptotic functions of Mad Honey and Vincristine applications in a rat model of breast cancer
    (Ankara Univ, 2024) Kurtdede, Efe; Alcigir, Mehmet Eray; Alperen, Ahmet Mahmut; Baran, Berk; Kuzu, Necat; Gulendag, Erman
    In this study, the suppressive effects of vincristine and Turkish mad honey alone and in co-applications were biochemically, hematologically, and histopathologically investigated in a mammary tumor model induced with 7,12-dimethylbenz[a]anthracene (DMBA) in rats. A total of 72 rats, 43-49 days old, were divided into 6 groups of 12 rats each. The control group (CG) consisted of healthy rats. The vehicle group (VG) received only vehicle substance and the cancer control group (CCG) was given only DMBA. DMBA and the honey group (HG) given group. DMBA and the vincristine (VinG) given group, and DMBA, the vincristine-honey group (VHG) received both Turkish mad honey and vincristine. Turkish mad honey and/or vincristine was given in the last 4 weeks of the 13-week trial period. White blood cell and lymphocyte counts differed significantly in the CCG and VG groups. Alanine transaminase and total protein levels were higher in the CCG and VinG groups. Aspartate transaminase was higher in the CCG, HG and VG groups. Caspase-3 and Bax protein levels were in the HG and VHG groups significantly higher than CCG. In caspase-8 protein level VHG significantly higher than other groups. Caspase-9 protein level was in CG and VG groups significantly lower than other groups. Bcl-xL increased more in the CCG group. Anaplasia was reduced in the HG and VinG groups, although apoptosis and other cellular damages increased. It was concluded that mad honey and vincristine could be considered together as effective therapeutic agents in this model of DMBA-induced breast cancer.