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Kilic G, Ozturk B, Kirmizigul Peker A, Yucel Sengun I. Antimicrobial effect of dried koruk ( Vitis vinifera L.) pomace against food-borne pathogens inoculated in kofte. FOOD SCI TECHNOL INT 2023:10820132231195142. [PMID: 37583265 DOI: 10.1177/10820132231195142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
This study aimed to investigate the antimicrobial effects of various concentrations of dried koruk pomace (1%, 1.5%, and 2%) used in kofte formulations. To detect the inactivation effect of dried koruk pomace on food-borne pathogens, kofte samples were separately inoculated with Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella Typhimurium at high and low levels. During the storage period, E. coli O157:H7, L. monocytogenes, and S. Typhimurium counts of the samples inoculated with high levels were decreased in the range of 1.1-1.3 log CFU/g, 0.1-0.2 log CFU/g and 1.1-1.2 log CFU/g, respectively. When low inoculum levels were used, E. coli O157:H7 and S. Typhimurium counts of the samples were reduced to an undetectable level at the beginning and after 2 months of storage, respectively. Although L. monocytogenes counts of the samples were reduced to an undetectable level immediately, the counts were increased during storage till the end of the fifth month. The results indicated that dried koruk pomace was more effective in eliminating E. coli O157:H7 and S. Typhimurium than L. monocytogenes inoculated in kofte. The results suggest that using dried koruk pomace in kofte formulations is an effective method to improve the safety of the products, especially when low levels of contamination occur.
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Affiliation(s)
- Gulden Kilic
- Engineering Faculty, Food Engineering Department, Ege University, Izmir, Turkey
| | - Berna Ozturk
- Engineering Faculty, Food Engineering Department, Ege University, Izmir, Turkey
| | | | - Ilkin Yucel Sengun
- Engineering Faculty, Food Engineering Department, Ege University, Izmir, Turkey
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Ocal L, Kup A, Celik M, Cersit S, Keskin M, Havan N, Gursoy MO, Eren H, Dogan S, Ozturk B, Uyan C, Turkmen MM. Pre-dilatation prior to carotid artery stenting in very severe carotid artery stenosis: beneficial or detrimental? Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
There are many technical variations in carotid artery stenting and there is not a clear recommendation in pre-dilatation (Pre-D) prior to stenting. In this study we investigated the role of Pre-D before carotid artery stenting in patients with very severe carotid artery stenosis (≥90%).
Methods
A total of 298 patients with a carotid stenosis equal to or more than 90% were included to our study. Patients were divided into two groups as Pre-D and No-Pre-D. In-hospital and 3-year long-term clinical outcomes were compared between the groups.
Results
During the hospitalization, major stroke was more common in Pre-D group [n=6 (5.5%) vs. n=3 (1.5%), respectively], whereas overall ipsilateral stroke rates were similar between the groups. The rates of myocardial infarction were similar between the groups. In- hospital mortality was significantly higher in the Pre-D group than non-pre-D group [n=4 (3.6%) vs. n=0 (0%), respectively]. During the 3-year follow up period, the rates of ipsilateral stroke, major stroke, transient ischemic attack, myocardial infarction, and mortality were similar between the groups.
Conclusion
According to the literature, this is the first study evaluates the role of Pre-D in very severe (>90%) carotid artery stenosis. The current study demonstrated that Pre-D might have a detrimental effect on in-hospital outcomes.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- L Ocal
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - A Kup
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - M Celik
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - S Cersit
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - M Keskin
- Health Sciences University, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey, Cardiology, Istanbul, Turkey
| | - N Havan
- Kartal Kosuyolu Heart and Research Hospital, Radiology, Istanbul, Turkey
| | - M O Gursoy
- Izmir Katip Celebi University Ataturk Training and Research Hospital, Cardiology, Izmir, Turkey
| | - H Eren
- Elbistan State Hospital, Cardiology, Kahramanmaras, Turkey
| | - S Dogan
- Health Sciences University, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey, Cardiology, Istanbul, Turkey
| | - B Ozturk
- Kahramanmaras Sutcu Imam University, Cardiology, Kahramanmaras, Turkey
| | - C Uyan
- Health Sciences University, Ümraniye Training and Research Hospital, Istanbul, Turkey, Cardiology, Istanbul, Turkey
| | - M M Turkmen
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
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Keskin M, Borklu EB, Dogan S, Ozturk B, Tenekecioglu E, Keser N, Orhan AL. Effect of the number of parity on right heart chamber quantification. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Pregnancy is a process that causes several physiological changes including all systems as well as cardiovascular system. Ventricular hypertrophy and dilation of cardiac chambers are seen as a result of these changes. Although there are studies about pregnancy-related changes in echocardiographic examination; there is no data about the long-term effects of parity on these alterations. Therefore, we have evaluated the long-term effect of pregnancy on right ventricular (RV) dilation and RV hypertrophy and their relation to the parity number.
Methods
This prospective study included a total of 600 women (200 consecutive women who had no parity, 200 women who had a parity number of 1 to 4 and 200 women who had a parity number of more than 4). Right chambers' measurements were compared between the groups.
Results
In echocardiographic analysis, RV and right atrial dimensions and areas and RV wall thickness were higher in parous women. On the other hand, RV systolic function parameters were significantly lower in parous women. These significant changes showed a gradual increase or decrease by increasing parity number. By multivariate hierarchical logistic regression analysis, the 4 independent factors that increased the risk of RV dilation were age (OR: 1.16 CI: 1.10 – 1.20), body mass index (OR: 1.05, CI: 1.02 to 1.08), smoking (OR: 1.87, CI: 1.28 to 4.02), and giving a birth (OR: 3.94 CI: 1.82 – 8.81). There were also independent relationship between the number of parity and RV hypertrophy even after adjustment for several confounders.
Conclusion
Pregnancy-related physiological changes mostly resolve after delivery. This study about long-term effects of pregnancy on RV has demonstrated that there is a significant relation between the number of parity and either RV dilation or RV hypertrophy. Each parity had also additive effect on these changes.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M Keskin
- Sultan II. Abdulhamid Han Training and Research Hospital, Cardiology, Istanbul, Turkey
| | - E B Borklu
- Dr Lutfi Kirdar Kartal Training and Research Hospital, Cardiology, Istanbul, Turkey
| | - S Dogan
- Sultan II. Abdulhamid Han Training and Research Hospital, Cardiology, Istanbul, Turkey
| | - B Ozturk
- Kahramanmaras Sutcu Imam University, Cardiology, Kahramanmaras, Turkey
| | | | - N Keser
- Sultan II. Abdulhamid Han Training and Research Hospital, Cardiology, Istanbul, Turkey
| | - A L Orhan
- Sultan II. Abdulhamid Han Training and Research Hospital, Cardiology, Istanbul, Turkey
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Ocal L, Keskin M, Cersit S, Eren H, Cakmak EO, Cakir H, Dogan S, Ozturk B, Kaya A, Turkmen MM. Systemic immune-inflammation index predicts in-hospital and long-term outcomes in patients with ST-segment elevation myocardial infarction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Inflammatory markers are significantly associated with cardiovascular disease and many markers have been used as predictor in patients with STEMI. This study examines the predictive value of the novel systemic immune-inflammation index (SII) in patients with ST-segment elevation myocardial infarction (STEMI).
Method
A total of 1660 patients with STEMI who underwent primary percutaneous coronary intervention in a tertiary heart center were enrolled in the study. SII was calculated using the following formula: Platelet × Neutrophil/Lymphocyte ratio. The patients were stratified into four quartiles (Q) according to admission SII level. In-hospital and 3-year outcomes were compared between the four groups (Q1–4)
Results
In-hospital cardiogenic shock, acute respiratory failure, acute kidney injury, ventricular arrhythmia, stent thrombosis, recurrent myocardial infarction, major adverse cardiac events, and mortality were significantly higher in the high SII groups (Q3 and Q4). Logistic regression models demonstrated that Q3 and Q4 had independent risk of mortality and Q4 had an independent risk of cardiogenic shock compared to Q1. ROC analysis showed that the best cut-off value of the Systemic Immune-Inflammatory Index to predict the in-hospital mortality was 1781 with 66% sensitivity and 74% specificity (AUC: 0.75; 95% CI: 0.69–0.81; p<0.001). Kaplan Meier overall survivals for Q1, Q2, Q3 and Q4 were 97.6%, 96.9%, 91.6% and 81.0% respectively. Cox proportional analysis for 3-year mortality demonstrated that Q3 and Q4 had independent risk of death compared to Q1.
Conclusion
SII, a novel inflammatory index, had a better prediction of in-hospital and long-term outcomes than traditional risk factors in patients with STEMI.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- L Ocal
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - M Keskin
- Sultan II. Abdulhamid Han Training and Research Hospital, Cardiology, Istanbul, Turkey
| | - S Cersit
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - H Eren
- Elbistan State Hospital, Cardiology, Kahramanmaras, Turkey
| | - E O Cakmak
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - H Cakir
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
| | - S Dogan
- Sultan II. Abdulhamid Han Training and Research Hospital, Cardiology, Istanbul, Turkey
| | - B Ozturk
- Kahramanmaras Sutcu Imam University, Cardiology, Kahramanmaras, Turkey
| | - A Kaya
- Duzce University, Cardiology, Duzce, Turkey
| | - M M Turkmen
- Kartal Kosuyolu Heart and Research Hospital, Cardiology, Istanbul, Turkey
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Acun M, Alikanoglu A, Onder A, Ozturk B, Alparslan A, Karaca M. P-291 The prognostic and predictive factors for patients with locally advanced rectal cancer treated with neoadjuvant chemoradiotherapy. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Yucel O, Gunes H, Kerkutluoglu M, Ozturk B, Kirisci M, Alkan FB. Adrenomedullin and non-dipping circadian pattern in newly diagnosed essential hypertension. ACTA ACUST UNITED AC 2020; 121:881-887. [PMID: 33300358 DOI: 10.4149/bll_2020_145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE There is frequently a relationship between nocturnal hypertension and non-dipping pattern and endothelial dysfunction. Studies conducted previously have indicated that adrenomedullin (AM) (a potent, long-lasting, vasodilatory peptide) is capable of regulating endothelial cell function. The aim of the current research is to investigate the association between absolute night-time blood pressure (BP) and circadian BP pat-tern with serum AM and high-sensitivity C-reactive protein (hsCRP) levels in cases in whom untreated arterial hypertension has been newly diagnosed. METHODS Ambulatory BP monitoring was performed in 100 individuals with hypertension (50 dippers,50 non-dippers) and 50 healthy controls for 24 hours. Measurement and recording of AM and hsCRP serum levels were performed. RESULTS A strong correlation between night-time BP levels and AM and hsCRP levels was determined(p<0.001). On the contrary, higher AM levels were determined in the non-dipper group compared to the dipper and normotensive groups (non-dipper group, 258±27 pg/mL; dipper group, 199±30 pg/mL; normotensive group, 150±11 pg/mL; p<0.001). The non-dipper group exhibited significantly higher hsCRP levels in comparison with the remaining two groups (p=0.017). An independent association was determined between AM (p=0.014) and hsCRP (p=0.032) and a non-dipping pattern in a multivariate logistic regression analysis. CONCLUSIONS The nocturnal hypertensive and non-dipper groups exhibited increased AM levels. An independent association was identified between AM and hsCRP and a non-dipping pattern. It is implied that increased AM levels in individuals with non-dipper hypertension may be related to a longer exposure time to high BP. The mentioned findings indicate a potential future part of AM in identifying patients with hypertension that are at higher risk of target organ damage (Tab. 3, Fig. 4, Ref. 41).
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Sengun IY, Kilic G, Ozturk B. The effects of koruk products used as marination liquids against foodborne pathogens (Escherichia coli O157:H7, Listeria monocytogenes and Salmonella Typhimurium) inoculated on poultry meat. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.110148] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Sengun IY, Yildiz Turp G, Cicek SN, Avci T, Ozturk B, Kilic G. Assessment of the effect of marination with organic fruit vinegars on safety and quality of beef. Int J Food Microbiol 2020; 336:108904. [PMID: 33129004 DOI: 10.1016/j.ijfoodmicro.2020.108904] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/26/2020] [Accepted: 09/28/2020] [Indexed: 01/21/2023]
Abstract
The aim of the present study was to determine the effects of organic fruit vinegars (blackberry, pomegranate, rosehip, and grape) used as marination liquids (MLs) on food-borne pathogens inoculated on beef, as well as on the quality characteristics (physical, chemical, microbiological and sensory properties) of beef during marination process at 4 °C for 24 h. In the first part of the study, meat samples separately inoculated with Salmonella Typhimurium, Listeria monocytogenes and Escherichia coli O157:H7 (≅6 log CFU/mL) were marinated in four different MLs and the count of S. Typhimurium, L. monocytogenes and E. coli O157:H7 on samples decreased in the range of 1.040-1.225, 1.420-1.913 and 1.232-1.435 log CFU/g, respectively. Marination with rosehip vinegar (MLR) was determined as the most effective treatment against all pathogens. In the second part of the study, proximate composition, color parameters, cooking yield, marinate absorption, pH, texture profile, aerobic plate count and sensory properties of marinated meat samples were determined. The moisture content of the samples marinated with grape vinegar (MLG) (73.50%) was found lower than of the samples marinated with other formulations (in the range of 75.95-76.65%) (P < 0.05). Marination by various MLs resulted in significant differences between the L*, a* and b* values of meat samples (P < 0.05). The hardness value of the samples was decreased by marination with MLR (P < 0.05) and was determined as 25.70 N. There were no significant differences between the meat samples marinated with the four different MLs in terms of cooking yield, marinate absorption and pH (P > 0.05). Aerobic plate count was reduced in the range of 0.589-0.950 log CFU/g for 24 h marination (P > 0.05). The highest sensory evaluation scores in terms of flavor were determined in meat samples marinated with MLG (P > 0.05). Therefore, different fruit vinegars used as MLs improved the safety and quality of meat at different levels.
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Affiliation(s)
- Ilkin Yucel Sengun
- Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey.
| | - Gulen Yildiz Turp
- Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey
| | - Seyma Nur Cicek
- Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey
| | - Tugce Avci
- Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey
| | - Berna Ozturk
- Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey
| | - Gulden Kilic
- Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey
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Sengun IY, Yucel E, Ozturk B, Kilic G. Chemical compositions, total phenolic contents, antimicrobial and antioxidant activities of the extract and essential oil of Thymbra spicata L. growing wild in Turkey. Food Measure 2020. [DOI: 10.1007/s11694-020-00639-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Kocak C, Kocak FE, Ozturk B, Tekin G, Vatansev H. Cytotoxic, anti-proliferative and apoptotic effects of noscapine on human estrogen receptor positive (MCF-7) and negative (MDA-MB-231) breast cancer cell lines. ACTA ACUST UNITED AC 2020; 121:43-50. [PMID: 31950839 DOI: 10.4149/bll_2020_007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
AIM Noscapine, a naturally occurring alkaloid obtained from opium poppy, is a microtubule-targeting agent. This study is aimed to investigate the effects of noscapine on human breast cancer cell lines by comparing them with those of tamoxifen and docetaxel. METHODS MCF-7 and MDA MB-23 cell lines were used to observe the effects of docetaxel, tamoxifen, and noscapine on cell proliferation. For each drug, cell blocks were prepared from cultured cells treated with IC50 dose of each drug and these were examined histologically. The expressions of Ki-67, Bcl-2, BAX, and cyclin-D1 were assessed immunohistochemically. RESULTS Although noscapine showed cytotoxic effects on both cell lines in a time and dose dependent manner, MDA-MB-231 cells were more susceptible to its effects. Noscapine inhibited MCF-7 and MDA-MB-231 cells proliferation in vitro with IC50 value of 29 µM and 69 µM, respectively, which was comparable with IC50 of tamoxifen (40 µM and 50 µM) and docetaxel (43 nM and 32 nM). Noscapine showed anti-proliferative effects by decreasing Ki-67, cyclin-D1 and apoptotic effects by increasing BAX/Bcl-2 ratio in both breast cancer cells. Its effect was comparable with tamoxifen and docetaxel. CONCLUSION Noscapine may be a good chemotherapeutic agent for the treatment of breast cancer, especially in estrogen receptor‑negative breast cancer (Tab. 2, Fig. 7, Ref. 40).
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Sengun IY, Kilic G, Ozturk B. Screening physicochemical, microbiological and bioactive properties of fruit vinegars produced from various raw materials. Food Sci Biotechnol 2019; 29:401-408. [PMID: 32257524 DOI: 10.1007/s10068-019-00678-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 04/24/2019] [Accepted: 09/05/2019] [Indexed: 11/30/2022] Open
Abstract
In the present study, variety of fruit vinegars were investigated in terms of their physicochemical, microbiological and bioactive properties. Total phenolic and flavonoid contents were in the range of 933-1162 mg GAE/L and 66.64-470.86 mg/L in terms of catechin equivalents, respectively. During the evaluation of antioxidant activity via DPPH and ABTS assay, samples showed the activity as in the range of 0.047-0.302 and 0.413-0.885 µg TE/mL, respectively. The counts of AAB, LAB and yeast-mold were found in the range of < 2-6.32, < 1-5.39 and < 1-3.97 log CFU/mL, respectively. Antimicrobial activity of vinegars was tested against nine bacteria by broth microdilution assay. Most of the samples were found inhibitive against test cultures at concentrations between 3.12 and 6.25% (Minimum Inhibitory Concentration, v/v), while apple vinegar was inhibitive at higher concentrations. These results indicated the high potential of fruit vinegars as antioxidant and antimicrobial agents that could be used as functional food ingredients.
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Affiliation(s)
- Ilkin Yucel Sengun
- Food Engineering Department, Engineering Faculty, Ege University, 35100 Bornova, Izmir, Turkey
| | - Gulden Kilic
- Food Engineering Department, Engineering Faculty, Ege University, 35100 Bornova, Izmir, Turkey
| | - Berna Ozturk
- Food Engineering Department, Engineering Faculty, Ege University, 35100 Bornova, Izmir, Turkey
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Ozturk B, Sengun IY. Inactivation effect of marination liquids prepared with koruk juice and dried koruk pomace on Salmonella Typhimurium, Escherichia coli O157:H7 and Listeria monocytogenes inoculated on meat. Int J Food Microbiol 2019; 304:32-38. [DOI: 10.1016/j.ijfoodmicro.2019.05.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/15/2019] [Accepted: 05/16/2019] [Indexed: 01/07/2023]
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Cebe F, Bulbul M, Simsek I, Cebe MA, Ozturk B. Effect of Erbium:yttrium aluminum garnet laser on bond strength of a total-etch adhesive system to caries-affected dentin on gingival wall. Niger J Clin Pract 2019; 20:734-740. [PMID: 28656929 DOI: 10.4103/1119-3077.181321] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
PURPOSE To assess the effect of the erbium:yttrium aluminum garnet (Er:YAG) laser on bond strength of a total-etch adhesive system to the caries-affected dentin on the gingival wall. MATERIALS AND METHODS Ten human molars with proximal carious lesions were randomly divided into two groups. In the first group, the carious dentin was removed with a bur, whereas in the second group it was removed with the Er:YAG laser. Carious lesions were excavated with one of these two techniques until laser fluorescence values decreased to 15 in the center of the lesions. The teeth were then restored with a total-etch adhesive system (Adper Single Bond 2) and composite resin (Filtek Z250). Five teeth from each group were sectioned to obtain 1 mm2 stick-shaped microtensile specimens from each tooth. Twenty-five specimens were obtained for each group with using this technique. The data were analyzed in independent-samples t-test (α = 0.05). For each removal technique, one sample was analyzed using scanning electron microscopy. RESULTS No statistically significant differences were found between the bond strength of the Er:YAG laser and the bur-treated groups (P > 0.05). CONCLUSION The Er:YAG laser treatment did not negatively affect the bonding performance of the total-etch adhesive system to caries-affected dentin on the gingival wall.
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Affiliation(s)
- F Cebe
- Department of Restorative Dentistry, Faculty of Dentistry, Abant Izzet Baysal University, Bolu, Turkey
| | - M Bulbul
- Department of Prosthodontics, Faculty of Dentistry, Gaziantep University, Gaziantep, Turkey
| | - I Simsek
- Department of Prosthodontics, Faculty of Dentistry, Adıyaman University, Adıyaman, Turkey
| | - M A Cebe
- Department of Restorative Dentistry, Faculty of Dentistry, Abant Izzet Baysal University, Bolu, Turkey
| | - B Ozturk
- Department of Restorative Dentistry, Faculty of Dentistry, Selcuk University, Konya, Turkey
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Yalcin M, Altunkeser B, Tuncez A, Ozturk B, Tezcan H, Ates M, Yilmaz C, Aygul N, Demir K. Comparative effects of high-dose atorvastatin versus rosuvastatin on lipid parameters, oxidized-LDL and PCSK9 levels in acute coronary syndrome. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sezer E, Eser K, Onder A, Ozturk B, Ercolak V, Oruc Z. The prognostic ad predictive value of primary tumor sidedness in the mCRC pts. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Sezer E, Eser K, Ercolak V, Acıkgoz Y, Ozturk B. The prognostic values of tumor characteristics and clinical factors of neuroendocrine tumors: Two centers experience. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Abstract
The role of vitamin D in calcium absorption and bone health is known. The studies revealed that vitamin D modulates breast cancer cell growth and it is also associated with a reduced breast cancer risk. The primary objective of this study was to highlight the metabolic effect of Vitamin D on MCF-7 breast cancer cell line. For that purpose, we checked the apoptosis, energy, amino-acid and acylcarnitine levels in cancer cells, that the study propose, that 1α, 25(OH)2D3 could inhibit cell growth in a dose and time dependent manner. IC50 dose was calculated as 145 nM for vitamin D. We observed the apoptosis level in vitamin D groups, which were 18, 28 and 38.5 % at 24, 48 and 72 hours, respectively. During metabolic screening analysis, it was observed that glutamine, methionine and glutamic acid levels were treated more by Vitamin D groups in cell line and also, that acylcarnitine level was increased in 24 and 48 hour groups when compared to the control, but decreased in 72 hours. Further studies are needed to analyze the role of amino acids and acylcarnitines for early apoptosis and cancer metabolism (Tab. 2, Fig. 4, Ref. 24).
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Frederiksen HW, Zwisler AD, Johnsen SP, Ozturk B, Lindhardt T, Norredam M. Uptake of secondary prevention following acute coronary syndrome among migrants and Danish born. Eur J Public Health 2017. [DOI: 10.1093/eurpub/ckx187.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- HW Frederiksen
- University of Copenhagen and Copenhagen University Hospital, Herlev, Copenhagen, Denmark
| | - AD Zwisler
- University of Copenhagen and Copenhagen University Hospital, Herlev, Nyborg, Denmark
| | - SP Johnsen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - B Ozturk
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - T Lindhardt
- University of Copenhagen and Copenhagen University Hospital, Herlev, Nyborg, Denmark
| | - M Norredam
- University of Copenhagen and Copenhagen University Hospital, Herlev, Copenhagen, Denmark
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Ozturk B, Ozer O, Durak ZE, Billur D, Kizil S, Durak I, Ozturk HS. High cholesterol diet leads to oxidant load and peroxidation in the rabbit kidney tissue. ACTA ACUST UNITED AC 2016; 117:235-41. [PMID: 27075389 DOI: 10.4149/bll_2016_045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVES The aim of this study was to investigate possible effects of high cholesterol diet on oxidant/antioxidant status in rabbit kidney tissues. BACKGROUND Although a number of experimental animal models have suggested that hyperlipidemia is associated with progressive kidney failure data remain sparse on the role of dietary cholesterol intake on kidney disease. METHODS Twelve male New Zealand albino rabbits were randomly divided into two groups (control and cholesterol). Both groups were fed on a standard laboratory diet. Animals in the cholesterol group additionally received cholesterol (1 g/kg/day), orally. The study period was 12 weeks. Activities of catalase (CAT), glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), nitric oxide synthase (NOS), xanthine oxidase (XO), paraoxonase (PON), adenosine deaminase (ADA) enzymes and levels of malondialdehyde (MDA) and nitric oxide (NO) were measured in kidney tissue samples. Histological examination of the kidney tissue samples was also done. RESULTS SOD, GSH-Px and XO enzyme activities were found to be decreased and NOS and PON activities increased significantly in cholesterol group compared to controls. As an indication of oxidation, MDA levels were found to be increased in cholesterol group. Histological examination revealed some derangements in the kidney tissue. CONCLUSION High cholesterol diet creates oxidant load and causes peroxidation, which in turn, leads derangements in the rabbit kidney tissue (Tab. 2, Fig. 2, Ref. 69).
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Hayran M, Koca E, Haznedaroglu IC, Unsal I, Durgun B, Guvenc F, Ozturk B, Ratip S, Ozcebe OI. Predicting Chronic Leukaemias from Assessment of Complete Peripheral Blood Counts. J Int Med Res 2016; 34:640-7. [PMID: 17294996 DOI: 10.1177/147323000603400609] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The chronic leukaemias include two distinct chronic neoplastic disease states, namely chronic myelogenous leukaemia (CML) and chronic lymphocytic leukaemia (CLL). The aim of this study was to assess the utility of leucocyte count, neutrophil percentage and absolute lymphocyte count from differential complete blood count analyses as indicators of the possible presence of CML and CLL. Blood counts from 102 patients with histopathologically confirmed CML and CLL were compared with counts for 858 cancer-free control subjects. Optimal cut-off values were identified by selecting values with the highest sensitivity–specificity combination for each blood count parameter for the two diseases. The results indicated that any individual with mature-appearing lymphocytes at a level > 6.65 × 109/l in the peripheral blood should be examined further for CLL, and that any individual with a leucocyte count > 18.0 × 109/l or a neutrophil proportion > 72.6% should be investigated for CML.
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MESH Headings
- Blood Cell Count
- Female
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/blood
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/blood
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/diagnosis
- Male
- Sensitivity and Specificity
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Affiliation(s)
- M Hayran
- Department of Preventive Oncology, Hacettepe University Medical School, Ankara, Turkey
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Ozturk B, Celik SM, Karakaya M, Karakaya O, Islam A, Yarilgac T. Storage Temperature Affects Phenolic Content, Antioxidant Activity and Fruit Quality Parameters of Cherry Laurel (Prunus laurocerasusL.). J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12774] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- B. Ozturk
- Department of Horticulture; Faculty of Agriculture; Ordu University; Ordu Turkey
| | - S. M. Celik
- Department of Chemistry; Faculty of Science and Arts; Gaziosmanpaşa University; Tokat Turkey
| | - M. Karakaya
- Department of Horticulture; Faculty of Agriculture; Ordu University; Ordu Turkey
| | - O. Karakaya
- Department of Horticulture; Faculty of Agriculture; Ordu University; Ordu Turkey
| | - A. Islam
- Department of Horticulture; Faculty of Agriculture; Ordu University; Ordu Turkey
| | - T. Yarilgac
- Department of Horticulture; Faculty of Agriculture; Ordu University; Ordu Turkey
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Yildiz E, Karaarslan ES, Simsek M, Cebe F, Ozsevik AS, Ozturk B. Effect of a re-wetting agent on bond strength of an adhesive to primary and permanent teeth dentin after different etching techniques. Niger J Clin Pract 2015; 18:364-70. [PMID: 25772920 DOI: 10.4103/1119-3077.151786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE This study investigated the effect of a re-wetting agent on the microtensile bond strengths (mTBS) of primary and permanent dentin after acid or laser etching. MATERIALS AND METHODS Twelve permanent and 12 primary molar teeth were ground to expose an occlusal dentin surface. Each group teeth were randomly divided into groups; I-II: 37% phosphoric acid etching with/without re-wetting agent, III-IV: Erbium: Yttrium aluminium garnet laser etching with/without re-wetting agent. An etch-and-rinse adhesive was used, and vertical sticks were obtained for the microtensile test. RESULTS mTBS of permanent teeth was higher than that of primary teeth (P < 0.05). Re-wetting agent groups were similar with control groups in both etching groups in the permanent teeth (P > 0.05). Re-wetting agent group was similar with the control group in acid etch group (P > 0.05) and lower than the control group in laser etch group in primary teeth (P < 0.05). CONCLUSION Acid etching in permanent teeth; laser etching in primary teeth was found more successful. The use of re-wetting agent did not provide an advance on bond strength of the adhesive in both primary and permanent teeth after acid-etch or laser-etch.
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Affiliation(s)
- E Yildiz
- Department of Pediatric Dentistry, University of Akdeniz, Antalya, Turkey
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Buyukkaya A, Buyukkaya R, Ozturk B, Ozel MA, Sarıtas A. Characteristic imaging findings of duodenal perforation. Acta Gastroenterol Belg 2015; 78:248-249. [PMID: 26151698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Two patients were admitted to emergency room with complaint of abdominal pain with abrupt onset and retroperitoneal free air was detected in pararenal area on CT. In this paper, characteristic CT findings of patients diagnosed with duodenal perforation are presented under the light of literature data.
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Mizrak D, Ozturk B, Kubilay P, Akbulut H, Onur H. P170 Serum levels of CEA and CA 15-3 in different subtypes of recurrent breast cancer. Breast 2015. [DOI: 10.1016/s0960-9776(15)70211-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Mizrak D, Ozturk B, Kubilay P, Akbulut H, Onur H. P279 More prognostic factors in early stage breast cancer. Breast 2015. [DOI: 10.1016/s0960-9776(15)70311-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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26
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Mizrak D, Onur H, Ozturk B, Kubilay P, Akbulut H. P276 Effect of tumor hormonal and HER2 status on localization of metastases in recurrent breast cancer. Breast 2015. [DOI: 10.1016/s0960-9776(15)70308-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Mizrak D, Kubilay P, Ozturk B, Onur H, Akbulut H. P167 Preoperative systemic therapy for locally advanced breast cancer: single center experience. Breast 2015. [DOI: 10.1016/s0960-9776(15)70208-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Ugurcu V, Vatansev H, Unlu A, Sivrikaya A, Akyurek F, Ozturk B, Kiyici A, Erdem SS. Levels of arginine and its products in dialysis patients. Eur Rev Med Pharmacol Sci 2014; 18:2357-2364. [PMID: 25219838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVES Chronic renal failure is among significant public health problems all over the world. Despite advances in diagnosis and treatment approaches, cardiovascular morbidity and mortality is still high in chronic renal failure patients on dialysis. The aim this study is to investigate the importance of arginine, asymmetric dimethylarginine (ADMA) and nitric oxide (NO) levels in the pathophysiology of cardiovascular morbidity and mortality in patients with dialysis treatment program. PATIENTS AND METHODS 53 patients with chronic renal failure receiving hemodialysis treatment and 34 healthy persons were participated to the study. Arginine and ADMA levels were measured by high-performance liquid chromatography (HPLC) fluorescence detector. NO levels were assessed by a colorimetric method. Albumin, urea, creatinine levels was performed using the spectrophotometric method. RESULTS Arginine levels were similar in dialysis patients when compared to the control group. Similarly NO levels did not show any difference between patient group and the control group. ADMA levels were found to be significantly high in dialysis patients compared to the control group (p < 0.005). Arginine/ADMA ratio was lower in the patient group compared to the control group (p < 0.001). Dialysis patients who have diagnosed coronary artery disease had low levels of albumin and creatinine. Arginine levels, ADMA levels and NO levels did not show any difference in the patients with coronary artery disease or not (p > 0.05). Arginine levels were significantly higher in men compared to women. Pearson correlation analysis showed that there was a correlation between NO and arginine levels. Arginine and Arginine/ADMA showed a positive correlation while ADMA and arginine/ADMA levels showed a negative correlation. CONCLUSIONS As a result, our data showed that ADMA clearance was impaired in hemodialysis patients. Increase in ADMA levels may play a role in atherosclerosis dependent morbidity and mortality.
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Affiliation(s)
- V Ugurcu
- Department of Medical Biochemistry, Medical School, Selcuk University, Konya, Turkey.
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Kara H, Bayir A, Degirmenci S, Kayis SA, Akinci M, Ak A, Celik B, Dogru A, Ozturk B. D-dimer and D-dimer/fibrinogen ratio in predicting pulmonary embolism in patients evaluated in a hospital emergency department. Acta Clin Belg 2014; 69:240-5. [PMID: 25012747 DOI: 10.1179/2295333714y.0000000029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVES The D-dimer level, fibrinogen level, and D-dimer/fibrinogen ratio are used in the diagnosis of pulmonary embolism, but results vary. We evaluated these parameters in the diagnosis of pulmonary embolism in emergency clinic patients. METHODS In this prospective study, 200 patients (pulmonary embolism, 100 patients; no pulmonary embolism, 100 patients) had D-dimer and fibrinogen levels measured before intervention. Pulmonary embolism was diagnosed with computed tomography angiography or ventilation-perfusion scintigraphy. RESULTS Compared with patients who did not have pulmonary embolism, patients who had pulmonary embolism had significantly greater mean D-dimer level (pulmonary embolism, 6±7 μg/ml; no pulmonary embolism, 1±1 μg/ml; P⩽0·001) and D-dimer/fibrinogen ratio (pulmonary embolism, 3±3; no pulmonary embolism, 0·4±0·4; P⩽0·001), but similar mean fibrinogen levels (pulmonary embolism, 337±184 mg/dl; no pulmonary embolism, 384±200 mg/dl; not significant). In patients who had pulmonary embolism, mean D-dimer level and D-dimer/fibrinogen ratio were greater in high-risk than non-high-risk patients. With D-dimer cutoff 0·35 μg/ml, sensitivity was high (100%) and specificity was low (27%) for pulmonary embolism. With D-dimer/fibrinogen ratio cutoff 0·13, sensitivity was high (100%) and specificity was low (37%) for pulmonary embolism. CONCLUSION A D-dimer level <0·35 μg/ml may exclude the diagnosis of pulmonary embolism. At a D-dimer cutoff 0·5 μg/ml and D-dimer/fibrinogen ratio cutoff 1·0, the D-dimer/fibrinogen ratio may have better specificity than D-dimer level in the diagnosis of pulmonary embolism, but the D-dimer/fibrinogen ratio may lack sufficient specificity in screening.
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Tiryaki BS, Tasliyurt T, Yelken BM, Sahin S, Kutluturk F, Koseoglu HI, Ozturk B, Yilmaz A, Sahin S. Evaluation of oxidative stress using exhaled breath 8-isoprostane levels on chronic kidney disease. Niger J Clin Pract 2014; 17:356-60. [PMID: 24714017 DOI: 10.4103/1119-3077.130240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND There have been limited numbers of studies on patients with chronic kidney disease (CKD) to determine oxidative stress in exhaled breath condensate (EBC). Those two studies have been carried out on hemodialysis patients, and hydrogen peroxide and nitric oxide have been studied in order to show oxidative stress on EBC. AIMS We investigated oxidative stress in EBC evaluating 8-isoprostane levels on different stages of CKD. MATERIALS AND METHODS A total of 81 patients with 2-4 CKD stages have been evaluated prospectively. The patients have been categorized into three groups according to their CKD stages. For biochemical analysis, blood and breathing air samples were taken. 8-isoprostane has been measured using immunoassay method as the indicator of oxidative stress in EBC. RESULTS 8-isoprostane values were 8.19 ± 4.56, 13.89 ± 8.70, and 14.20 ± 10.68 pg/min group 1, 2, and 3, respectively; and the EBC 8-isoprostane levels increased significantly as CKD stages advanced (P0 = 0.018). There was a statistically significant reverse correlation between 8-isoprostane and glomerular filtration rate (GFR; r = -0.275; P = 0.014), but not between 8-isoprostane and C-reactive protein (r = -0.183; P = 0.177). CONCLUSIONS We determined the level of 8-isoprostane in EBC of patients with different stages of CKD and showed that the level of 8-isoprostane significantly increased through the progress of CKD. We consider that our study is important because there have been limited number of studies that evaluate oxidative stress in CKD using EBC which is a noninvasive method.
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Affiliation(s)
| | - T Tasliyurt
- Department of Internal Medicine, Faculty of Medicine, Gaziosmanpasa University, Tokat, Turkey
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Kanat M, Goksugur SB, Ozlu T, Tunckale A, Ozturk B, Ozturk FY, Altuntas Y, Suleymanoglu Y, Atmaca H, Yolcu N, Gonenc I, Delibasi T, Zuhur S, Dikbas O, Aktas G, Karagoz Y, Abdul-Ghani MA. The effect of feto-maternal blood type incompatibility on development of gestational diabetes mellitus. Clin Ter 2014; 165:e145-7. [PMID: 24770823 DOI: 10.7471/ct.2014.1698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To assess the relation between fetal and maternal blood type (ABO, Rh) incompatibility and development of gestational diabetes mellitus (GDM). MATERIALS AND METHODS A total of 500 pregnant women underwent diagnostic test for GDM by a 100-g oral glucose tolerance test (OGTT) after an 8 to 12-h overnight fast participated in this study. OGTT was performed between the 24-28 weeks of gestation, but participants who were at high risk for GDM were tested after the first prenatal visit. In the postpartum period, maternal and infant blood types were determined. Presence of GDM was evaluated in terms of matched and unmatched fetal and maternal ABO and Rh blood types separately. RESULTS GDM was detected in 235 participants. Unmatched ABO blood types between the mother-infant pairs were present in 44.7% (n=105) of GDM (+) and 35.8 % (n=95) of GDM (-) patients. Incompatible feto-maternal ABO blood type was positively correlated with development of GDM which was marginally significant. (p=0.045; R=1.2;95% CL; 1.004-1.48). However, Rh feto-maternal blood type incompatibility was not related with development of GDM. CONCLUSIONS Feto-maternal ABO blood type incompatibility may be a weak risk factor for the development of GDM.
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Affiliation(s)
- M Kanat
- Departments of Internal Medicine, Istanbul Medipol University, Istanbul
| | - S B Goksugur
- Departments of Pediatrics, Izzet Baysal Women's and Children's Hospital, Bolu
| | - T Ozlu
- Departments of Obstetrics and Gynecology, Medical School, University of Abant Izzet Baysal, Bol
| | - A Tunckale
- Departments of Internal Medicine, Cerrahpasa Medical School, University of Istanbul, Istanbul
| | - B Ozturk
- Departments of Endocrinology and Metabolism, University of Ege, Izmir
| | - F Y Ozturk
- Departments of Endocrinology and Metabolism, Sisli Etfal Training and Research Hospital, Istanbul
| | - Y Altuntas
- Departments of Endocrinology and Metabolism, Sisli Etfal Training and Research Hospital, Istanbul
| | - Y Suleymanoglu
- Departments of Internal Medicine, University of Acibadem, Istanbul
| | - H Atmaca
- Departments of Endocrinology and Metabolism, University of Ondokuz Mayıs, Samsun
| | - N Yolcu
- Departments of Endocrinology and Metabolism, Haydarpasa Training and Research Hospital, Istanbul
| | - I Gonenc
- Departments of Endocrinology and Metabolism, Haydarpasa Training and Research Hospital, Istanbul
| | - T Delibasi
- Departments of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, Ankara
| | - S Zuhur
- Departments of Endocrinology and Metabolism, Sisli Etfal Training and Research Hospital, Istanbul
| | - O Dikbas
- Departments of 1Internal Medicine, Istanbul Medipol University, Istanbul
| | - G Aktas
- Departments of 1Internal Medicine, Istanbul Medipol University, Istanbul
| | - Y Karagoz
- Faculty of Economics and Administrative Sciences, University of Abant Izzet Baysal, Bolu
| | - M A Abdul-Ghani
- Division of Diabetes, University of Texas Health Science Center at San Antonio, Texas, USA
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Hafez G, Gonulalan U, Kosan M, Arioglu E, Ozturk B, Cetinkaya M, Gur S. Acetylsalicylic acid protects erectile function in diabetic rats. Andrologia 2013; 46:997-1003. [PMID: 24428436 DOI: 10.1111/and.12187] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2013] [Indexed: 11/28/2022] Open
Abstract
We aimed to evaluate the effect of acetylsalicylic acid (ASA) treatment on diabetes-induced erectile dysfunction. Adult male Sprague-Dawley rats were divided into four groups as follows: (i) control (C), (ii) diabetic (D), (iii) ASA-treated control (C+ASA) and (iv) ASA-treated diabetic (D+ASA) groups. In groups 2 and 4, diabetes was induced by injection of 35 mg kg(-1) streptozotocin. ASA (100 mg kg(-1) day(-1) , orally) was administrated to rats in groups 3 and 4 for 8 weeks. Both intracavernosal pressure (ICP) and mean arterial blood pressure (MAP) were measured in in vivo studies. In organ bath, the relaxation responses to acetylcholine (ACh), electrical field stimulation (EFS) and sodium nitroprusside were tested in corpus cavernosum (CC) strips. The mRNA expression for neuronal nitric oxide synthase (nNOS) was calculated using reverse transcription polymerase chain reaction technique. In in vivo experiments, diabetic rats displayed reduced ICP/MAP values, which were normalised with ASA treatment. The relaxant response to high-dose ACh and EFS at low frequencies (1-8 Hz) in CC strips from the D+ASA group were significantly higher when compared to the D group. Treatment with ASA normalised the raised mRNA expressions of nNOS in diabetic penile tissues. ASA may be involved in mRNA of protein synthesis of NO released from nonadrenergic and noncholinergic cavernosal nerve in diabetes.
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Affiliation(s)
- G Hafez
- Faculty of Pharmacy, Department of Pharmacology, Ankara University, Ankara, Turkey
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Soykan U, Cetin S, Ozturk B, Karaboga F, Zalaoglu Y, Dogruer M, Yildirim G, Terzioglu C. Synthesis and characterization of p-benzophenoneoxycarbonylphenyl acrylate by means of experimental measurements and theoretical approaches, and bulk melt polymerization. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2013.07.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Karaboga F, Soykan U, Dogruer M, Ozturk B, Yildirim G, Cetin S, Terzioglu C. Experimental and theoretical approaches for identification of p-benzophenoneoxycarbonylphenyl acrylate. Spectrochim Acta A Mol Biomol Spectrosc 2013; 113:80-91. [PMID: 23714185 DOI: 10.1016/j.saa.2013.04.061] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 04/11/2013] [Indexed: 06/02/2023]
Abstract
The aim of this multidisciplinary study is to characterize a title compound, p-benzophenoneoxycarbonylphenyl acrylate (BPOCPA) synthesized by condensation reaction of p-acryloyloxybenzoyl chloride (ABC) with 4-hydroxybenzophenone (HBP) by means of experimental and theoretical evidences. The spectroscopic properties of the compound are experimentally examined by Fourier transformation-infrared (FTIR) spectra (in the region 400-4000 cm(-1)) and nuclear magnetic resonance (NMR) chemical shifts (with a frequency of 400 MHz). For the theoretical studies, the optimized molecular structures, vibrational frequencies including infrared intensities and Raman activities, corresponding vibrational spectra interpreted with the aid of normal coordinate analysis based on scaled density functional force field, atomic charges, thermodynamic properties, (1)H and (13)C NMR chemical shifts, JCH and JCC coupling constants belonging to the BPOCPA compound are analyzed in the ground state by the way of the density functional theory (B3LYP) with the standard 6-311++G(d,p) level of theory for the first time. All the results obtained show that the calculated vibrational frequencies and chemical shifts are observed to be in good agreement with the available experimental findings. According to the comparison between experimental results and theoretical data, the calculation level chosen plays an important role in understanding of dynamics of the title compound studied in this work. The self-consistent field (SCF) energy of the molecule in six different solvent media is also analyzed at the same basis set by applying both the Onsager and Polarizable Continuum Model (PCM). It is found that the SCF energies deduced from the methods reduce with the enhancement of the solvent polarity as a consequence of the increment in the stability of the compound studied. Besides, the changes of the PCM calculations are found to be higher than those of the Onsager ones, confirming that the former method displays a more stable structure than latter model.
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Affiliation(s)
- F Karaboga
- Abant Izzet Baysal University, Department of Physics, Bolu 14280, Turkey.
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Cornec-Le Gall E, Treguer L, Sawadogo T, Benarbia S, Le Meur Y, Zittema D, van den Berg E, Meijer E, Boertien WE, Muller Kobold AC, Franssen CFM, de Jong PE, Bakker SJL, Navis GJ, Gansevoort RT, Melemadathil S, Kamal M, Tuta L, Botea F, Sciarrone Alibrandi MT, Nuzzo M, Delli Carpini S, Merlino L, Brioni E, Zagato L, Simonini M, Rivera R, Manunta P, Park HC, Kim H, Koo TY, Han M, Park YJ, Oh KH, Noh JW, Ha IS, Cheong HI, Hwang YH, Ahn C, Lacquaniti A, Buemi M, Lupica R, Lucisano S, Chirico V, Ozucer B, KazancIoglu R, Ozturk B, Alay M, Veyseller B, Ozturan O, Erkoc R, Obeidova L, Stekrova J, Reiterova J, Elisakova V, Merta M, Kohoutova M, Tesar V, Gul B, Cekic S, Asiltas B, Dogan S, Aktas N, Oruc A, Dogan I, Ersoy A, Gullulu M, Yurtkuran M, Yildiz A. Renal development and cystic diseases. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kaya AO, Gunel N, Benekli M, Akyurek N, Buyukberber S, Tatli H, Coskun U, Yildiz R, Yaman E, Ozturk B. Hypoxia inducible factor-1 alpha and carbonic anhydrase IX overexpression are associated with poor survival in breast cancer patients. J BUON 2012; 17:663-668. [PMID: 23335522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
PURPOSE Hypoxia is common in many solid tumors such as breast, head-neck, and soft tissue malignancies. Hypoxia causes overexpression of hypoxia inducible factor-1 alpha (HIF-1α) and carbonic anhydrase IX (CA IX) which are associated with unfavorable prognosis in breast cancer. In our study, we evaluated HIF-1α and CA IX expression in patients with breast cancer. METHODS Between June 1996 and June 2008, 111 women with breast cancer were evaluated. Estrogen receptor (ER) and progesterone receptor (PR) status and Her2/ neu expression were evaluated by immunohistochemical methods. Her-2/neu expression was also assessed by FISH method when needed. Two groups were created: ER and PR positive, Her-2/neu negative (group 1, n=56); and ER and PR negative, Her-2/neu positive (group 2, n=55). HIF-1α and CA IX expressions were investigated in both groups and results were compared. In addition, we investigated the association between HIF-1α and CA IX expressions with stage, grade, lymph node metastasis, tumor size, menopause status and survival. RESULTS Median patient age in group 1 was 52 years (range 34-77), and in group 2 47 years (range 27-83). HIF-1α expression was detected in 26 (46.4%) of group 1 and in 46 (83.6%) of group 2 patients (p=0.0001). CA IX expression was detected in 25 (46.4%) of group 1 and in 37 (67.3%) of group 2 patients (p7equals;0.0137rpar;. In group 1, median disease free survival (DFS) was 97 months and in group 2 46 months (p=0.0308). In group 1, median overall survival (OS) was 108 months and in group 2 75 months (p=0.0339). CONCLUSION HIF-1α and CA IX overexpressions are observed more often in ER and PR negative, Her-2/neu positive breast cancer and are associated with poor survival.
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Affiliation(s)
- A O Kaya
- Gazi University, School of Medicine, Department of Medical Oncology, Ankara, Turkey.
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Sirin Karaarslan E, Yildiz E, Cebe M, Yegin Z, Ozturk B. Evaluation of micro-tensile bond strength of caries-affected human dentine after three different caries removal techniques. J Dent 2012; 40:793-801. [DOI: 10.1016/j.jdent.2012.05.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Revised: 05/08/2012] [Accepted: 05/28/2012] [Indexed: 11/29/2022] Open
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Sipal S, Halici Z, Kiki I, Polat B, Albayrak A, Albayrak F, Karakus E, Aksak S, Ozturk B, Gundogdu C. Comparative study of three angiotensin II type 1 receptor antagonists in preventing liver fibrosis in diabetic rats: stereology, histopathology, and electron microscopy. J Mol Histol 2012; 43:723-35. [PMID: 22922994 DOI: 10.1007/s10735-012-9441-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 08/11/2012] [Indexed: 01/12/2023]
Abstract
The presence of liver disease in patients with progressively worsening insulin resistance may not be recognized until patients develop manifestations of the metabolic syndrome such as diabetes, hypertension, hyperlipidemia, and vascular disease. It was aimed to investigate whether three angiotensin II type 1 receptor antagonists (ARBs) (olmesartan, losartan, and valsartan) had preventive effect against hepatic fibrosis and this was a common characteristic among ARBs. In current study, 25 adult male rats were used and divided into five groups: the non-diabetic healthy group, alloxan induced diabetic (AID) control group, AID losartan group, AID valsartan group and AID olmesartan group. According to numerical density of hepatocytes, significant difference was found between the non-diabetic healthy group and diabetic control group. All treatments groups were significant when compared to diabetic control group. In diabetic control group it was examined swelling, irregular cristae arrangement in some of mitochondria. It was also determined mitochondria membrane degeneration in some areas of section profiles. In diabetic rats treated with losartan group, there were necrotic hepatocytes. In diabetic rats treated with valsartan group, predominantly, findings were similar to losartan group. In diabetic rats treated with olmesertan group, plates of hepatocytes were quite regular. There were hardly necrotic cells. Not only other organelles such as RER, SER and lysosom but also mitochondrial structures had normal appearance. In the diabetic control group electron microscopy revealed edema in both the cytoplasm and perinuclear area and the nuclear membranes appeared damaged. In conclusion, it was established that the most protective ARB the liver in diabetic rats was olmesartan, followed by losartan.
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Affiliation(s)
- Sare Sipal
- Department of Pathology, Faculty of Medicine, Ataturk University, 25240, Erzurum, Turkey
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Karaman S, Ozturk B, Genc N, Celik S. Effect of Preharvest Application of Methyl Jasmonate on Fruit Quality of Plum (Prunus Salicina Lindell cv. “Fortune”) at Harvest and during Cold Storage. J FOOD PROCESS PRES 2012. [DOI: 10.1111/j.1745-4549.2012.00805.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- S. Karaman
- Department of Biosystems Engineering; Faculty of Agriculture; University of Gaziosmanpaşa; Taşlıçiftlik Tokat Turkey
| | - B. Ozturk
- Department of Horticulture; Faculty of Agriculture; University of Gaziosmanpaşa; 60240 Taşlıçiftlik Tokat Turkey
| | - N. Genc
- Department of Chemistry; Faculty of Science and Arts; University of Gaziosmanpaşa; Taşlıçiftlik Tokat Turkey
| | - S.M. Celik
- Department of Chemistry; Faculty of Science and Arts; University of Gaziosmanpaşa; Taşlıçiftlik Tokat Turkey
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Hickman CFL, Campbell A, Duffy S, Fishel S, Rubio I, Agerholm I, Kirk J, Escriba MJ, Remohi J, Meseguer M, Ando H, Takayanagi T, Teranishi Y, Suzuki N, Minamoto H, Kobayashi H, Moroi H, Azzarello A, Hoest T, Mikkelsen AL, Bayram A, Ciray HN, Sahin O, Okutman-Emonts O, Bahceci M, Ciray HN, Aksoy T, Goktas C, Ozturk B, Bahceci M, Hashimoto S, Nakaoka Y, Amo A, Nakano T, Yamagata K, Morimoto Y. SESSION 69: EMBRYOLOGY - CAUSE AND EFFECT OF BAD TIMING. Hum Reprod 2012. [DOI: 10.1093/humrep/27.s2.67] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Salman S, Kumbasar S, Hacimuftuoglu A, Ozturk B, Seven B, Polat B, Gundogdu C, Demirci E, Yildirim K, Akcay F, Uslu T, Tuncel Daloglu F, Suleyman H. The effect of metyrosine/prednisolone combination to oophorectomy-induced osteoporosis. Iran J Reprod Med 2012; 10:363-72. [PMID: 25246899 PMCID: PMC4165955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2011] [Revised: 09/16/2011] [Accepted: 10/23/2011] [Indexed: 10/25/2022]
Abstract
BACKGROUND Osteoporosis is a chronic disease characterized by a decrease in bone mineral density (BMD) and corruption of the microarchitectural structure of bone tissue. OBJECTIVE It was investigated whether methylprednisolone had a favorable effect on osteoporotic bone tissue in Oophorectomy induced osteoporotic rats whose endogenous adrenaline levels are suppressed with metyrosine. MATERIALS AND METHODS Bone Mineral Density, number of osteoblast-osteoclast, bone osteocalcin levels and alkaline phosphatase (ALP) measurements were performed. Obtained results were compared with that of alendronate. RESULTS Oophorectomy induced osteoporosis was exacerbated by methylprednisolone. Alentronate prevented ovariectomised induced osteoporosis, but it couldn't prevent methylprednisolone +ovariectomised induced osteoporosis in rats. CONCLUSION Combined treatment with methylprednisolon and metyrosine was the best treatment for preventing osteoporosis but metyrosine alone couldn't prevent osteoporosis in ovariectomised rats.
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Affiliation(s)
- Suleyman Salman
- Department of Obstetrics and Gynecology, Igdir National Hospital, Igdir, Turkey.
| | - Serkan Kumbasar
- Department of Obstetrics and Gynecology, Igdir National Hospital, Igdir, Turkey.
| | - Ahmet Hacimuftuoglu
- Department of Pharmacology, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Berna Ozturk
- Department of Pharmacology, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Bedri Seven
- Department of Nuclear Medicine, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Beyzagul Polat
- Department of Pharmacology, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Cemal Gundogdu
- Department of Pathology, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Elif Demirci
- Department of Pathology, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Kadir Yildirim
- Department of Physical Medicine and Rehabilitation, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Fatih Akcay
- Department of Biochemistry, Ataturk University, Medical Faculty, Erzurum, Turkey.
| | - Turan Uslu
- Department of Physical Medicine and Rehabilitation, Fatih Sultan Mehmet Education and Research Hospital, Istanbul, Turkey.
| | | | - Halis Suleyman
- Department of Pharmacology, Ataturk University, Medical Faculty, Erzurum, Turkey.
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Unsalan O, Yilmaz A, Bolukbasi O, Ozturk B, Esenoglu HH, Ildiz GO, Ornek CY. Micro-Raman, FTIR, SEM-EDX and structural analysis of the Çanakkale meteorite. Spectrochim Acta A Mol Biomol Spectrosc 2012; 92:250-255. [PMID: 22446775 DOI: 10.1016/j.saa.2012.02.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Revised: 01/27/2012] [Accepted: 02/02/2012] [Indexed: 05/31/2023]
Abstract
This study demonstrates for the first time, the spectroscopic characterization of Çanakkale Meteorite that fell at Çanakkale, Republic of Turkey (40°8'44″N; 26°24'23″E). The olivine group [(Mg, Fe)(2)SiO(4)], enstatite [Mg(2)Si(2)O(6)] (one of the orthopyroxene minerals) and plagioclase were identified by the micro-Raman and FTIR spectroscopies and EDX-SEM analyses. This meteorite has not yet been classified in the World's Database of Meteorites. The aim of this study is to investigate this meteorite by vibrational spectroscopic techniques and open the possibility to classify it and list in the World's Database of Meteorites.
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Affiliation(s)
- O Unsalan
- Istanbul University, Science Faculty, Physics Department Atomic and Molecular Physics Division, Istanbul, Turkey.
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Miyazaki N, Matsumoto J, Alberici F, Palmisano A, Maritati F, Oliva E, Buzio C, Vaglio A, Mjoen G, Norby GE, Vikse BE, Svarstad E, Rune B, Knut A, Szymczak M, Kuzniar J, Kopec W, Marchewka Z, Klinger M, Arrizabalaga P, Silvarino R, Sant F, Espinosa G, Sole M, Cervera R, Gude D, Chennamsetty S, Demin A, Kozlov V, Lisukov I, Kotova O, Sizikov A, Sergeevicheva V, Demina L, Borjesson O, Wendt M, Avik A, Qureshi AR, Bratt J, Miller EJ, Gunnarsson I, Bruchfeld A, Sugiyama K, Hasegawa M, Yamamoto K, Hayashi H, Koide S, Murakami K, Tomita M, Yoshida S, Yuzawa Y, Yew S, Jayne D, Westman K, Hoglund P, Flossman O, Mahr A, Luqmani R, Robson J, Thervet E, Levi C, Guiard E, Roland M, Nochy D, Daniliuc C, Guillevin L, Mouthon L, Jacquot C, Karras A, Kimura Y, Morita H, Debiec H, Yamada H, Miura N, Banno S, Ronco P, Imai H, Shin DH, Famee D, Koo HM, Han SH, Choi KH, Yoo TH, Kang SW, Fofi C, Fofi C, Scabbia L, Festuccia F, Stoppacciaro A, Mene' P, Shimizu A, Fukui M, MII A, Kaneko T, Masuda Y, Iino Y, Katayama Y, Fukuda Y, Kuroki A, Matsumoto K, Akizawa T, Jurubita R, Ismail G, Bobeica R, Rusu E, Zilisteanu D, Andronesi A, Motoi O, Ditoiu V, Copaci I, Voiculescu M, Irazabal MV, Eirin A, Lieske JC, Beck LH, Dillon JJ, Nachman PH, Sethi S, Erickson SB, Cattran DC, Fervenza FC, Svobodova B, Hruskova Z, Janatkova I, Jancova E, Tesar V, Seo MS, Kwon SH, Lee EB, You JY, Hyun YK, Woo SA, Park MY, Choi SJ, Jeon JS, Noh H, Kim JG, Han DC, Hwang SD, Choi TY, Jin SY, Kwon SH, Loiacono E, Loiacono E, Defedele D, Puccinelli MP, Camilla R, Gallo R, Peruzzi L, Rollino C, Beltrame G, Ferro M, Vergano L, Campolo F, Amore A, Coppo R, Knoop T, Vikse BE, Svarstad E, Bostad L, Leivestad T, Bjorneklett R, Teranishi J, Yamamoto R, Nagasawa Y, Shoji T, Iwatani H, Okada N, Moriyama T, Yamauchi A, Tsubakihara Y, Imai E, Rakugi H, Isaka Y, Koo HM, Doh FM, Kim SJ, Kang SW, Choi KH, Han DS, Han SH, Suzuki Y, Matsuzaki K, Suzuki H, Okazaki K, Yanagawa H, Maiguma M, Muto M, Sato T, Horikoshi S, Novak J, Hotta O, Tomino Y, Gutierrez* E, Zamora I, Ballarin J, Arce Y, Jimenez S, Quereda C, Olea T, Martinez-Ara J, Segarra A, Bernis C, Garcia A, Goicoechea M, Garcia de Vinuesa S, Rojas J, Praga M, Ristovska V, Petrushevska G, Grcevska L, Knoop T, Vikse BE, Svarstad E, Bostad L, Leivestad T, Bjorneklett R, Satake K, Shimizu Y, Mugitani N, Suzuki H, Suzuki Y, Horikoshi S, Honda S, Shibuya K, Shibuya A, Tomino Y, Papale M, Rocchetti MT, DI Paolo S, Suriano IV, D'apollo A, Vocino G, Montemurno E, Varraso L, Grandaliano G, Gesualdo L, Huerta A, Bomback AS, Canetta PA, Radhakrishnan J, Herlitz L, Stokes B, D'agati V, Markowitz G, Appel GB, Ristovska V, Grcevska L, Mouna H, Nasr BD, Mrabet I, Ahmed L, Sabra A, Mohamed Ammeur F, Mezri E, Habib S, Innocenti M, Pasquariello A, Pasquariello G, Mattei P, Bottai A, Fumagalli G, Bozzoli L, Samoni S, Cupisti A, Caldin B, Hung J, Repizo L, Malheiros DM, Barros R, Woronik V, Giammarresi C, Bono L, Ferrantelli A, Tortorici C, Licavoli G, Rotolo U, Huang X, Wang Q, Shi M, Chen W, Liu Z, Scarpioni R, Cantarini L, Lazzaro A, Ricardi M, Albertazzi V, Melfa L, Concesi C, Vallisa D, Cavanna L, Gungor G, Ataseven H, Demir A, Solak Y, Biyik M, Ozturk B, Polat I, Kiyici A, Ozer Cakir O, Polat H, Martinez-Ara J, Castillo I, Carreno V, Aguilar A, Madero R, Hernandez E, Bernis C, Bartolome J, Gea F, Selgas R, El Aggan HAM, El Banawy HS, Wagdy E, Tchebotareva N, LI O, Bobkova I, Kozlovskaya L, Varshavskiy V, Golicina E, Chen Y, Gong Z, Chen X, Tang L, Zhou J, Cao X, Wei R, Koo EH, Koo EH, Park JH, Kim HK, Kim MS, Jang HR, Lee JE, Huh W, Kim DJ, Oh HY, Kim YG, Tchebotareva N, Bobkova I, Kozlovskaya L, LI O, Eskova O, Shvetsov M, Golytsina E, Varshavskiy V, Popova O, Quaglia M, Monti S, Fenoglio R, Menegotto A, Airoldi A, Izzo C, Rizzo MA, Dianzani U, Stratta P, Vaglio A, Vaglio A, Alberici F, Gianfreda D, Buzio C. Primary and secondary glomerulonephritis I. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kara HB, Aykent F, Ozturk B. The Effect of Bleaching Agents on the Color Stability of Ceromer and Porcelain Restorative Materials In Vitro. Oper Dent 2012; 38:E1-8. [DOI: 10.2341/11-436-l] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARY
Purpose
The aim of this in vitro study was to determine the color changes of five different restorative materials after exposing these materials to two different home bleaching agents.
Methods
This study applied bleaching agents to an ultralow-fusing porcelain, a low-fusing porcelain, two types of heat-pressed glass ceramics, and a ceromer. A total of 24 disc-shaped specimens were fabricated (with a diameter of 10 mm and a thickness of 2 mm) from each material (n=12). The initial color measurements were taken with a spectrophotometer. The first set of specimens were bleached with 10% hydrogen peroxide (HP) for one hour daily for 10 days. The other set of specimens were bleached with 10% carbamide peroxide (CP) bleaching gel for eight hours daily for 14 days. Data were analyzed with the one-way analysis of variance and Kruskal-Wallis statistical test. The difference in the prebleaching and postbleaching color of each material was considered to be statistically significant at p < 0.05.
Results
The study found a statistically significant difference among the color changes of the test groups after exposing them to both bleaching agents (p<0.05). Appreciable color change was observed in the Estenia (ΔE=3.99) specimens that were bleached with the HP, and noticeable color changes were observed in the Estenia (ΔE=1.89) and IPS Empress 2 (ΔE=1.66) groups when they were treated with the CP.
Conclusions
Restorations (especially polymer-containing restorative materials) should be protected before any bleaching procedure due to the high risk of color change.
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Affiliation(s)
- HB Kara
- Haluk Baris Kara, Faculty of Dentistry, Medipol University, Istanbul, Turkey
| | - F Aykent
- Filiz Aykent, Faculty of Dentistry, Selcuk University, Konya, Turkey
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Ertugrul BM, Oncul O, Tulek N, Willke A, Sacar S, Tunccan OG, Yilmaz E, Kaya O, Ozturk B, Turhan O, Yapar N, Ture M, Akin F. A prospective, multi-center study: factors related to the management of diabetic foot infections. Eur J Clin Microbiol Infect Dis 2012; 31:2345-52. [PMID: 22354524 DOI: 10.1007/s10096-012-1574-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Accepted: 01/28/2012] [Indexed: 10/28/2022]
Abstract
The Turkish Association of Clinical Microbiology and Infectious Diseases, Diabetic Foot Infections Working Group conducted a prospective study to determine the factors affecting the outcomes of diabetic foot infections. A total of 96 patients were enrolled in the study. Microbiological assessment was performed in 86 patients. A total of 115 causative bacteria were isolated from 71 patients. The most frequently isolated bacterial species was Pseudomonas aeruginosa (n = 21, 18.3%). Among cases with bacterial growth, 37 patients (43%) were infected with 38 (33%) antibiotic-resistant bacteria. The mean (±SD) antibiotics cost was 2,220.42 (±994.59) USD in cases infected with resistant bacteria, while it was 1,206.60 (±1,160.6) USD in patients infected with susceptible bacteria (p < 0.001). According to the logistic regression analysis, the risk factors related to the growth of resistant bacteria were previous amputation (p = 0.018, OR = 7.229) and antibiotics administration within the last 30 days (p = 0.032, OR = 3.796); that related to the development of osteomyelitis was wound size >4.5 cm(2) (p = 0.041, OR = 2.8); and that related to the failure of the treatment was the growth of resistant bacteria (p = 0.016, OR = 5.333). Diabetic foot osteomyelitis is usually a chronic infection and requires surgical therapy. Amputation is the accepted form of treatment for osteomyelitis. Limited limb-saving surgery and prolonged antibiotic therapy directed toward the definitive causative bacteria are most appropriate. This may decrease limb loss through amputations. As a result the infections caused by resistant bacteria may lead to a high cost of antibiotherapy, prolonged hospitalization duration, and failure of the treatment.
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Affiliation(s)
- B M Ertugrul
- School of Medicine, Department of Infectious Diseases and Clinical Microbiology, University of Adnan Menderes, 09100, Aydin, Turkey.
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Ertugrul BM, Erol N, Emek M, Ozturk B, Saylak OM, Cetin K, Sakarya S. Food-borne tonsillopharyngitis outbreak in a hospital cafeteria. Infection 2011; 40:49-55. [DOI: 10.1007/s15010-011-0166-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Accepted: 07/07/2011] [Indexed: 10/17/2022]
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Ozturk B, Benekli M, Akdemir UO, Buyukberber S, Coskun U, Uner A, Unlu M, Yamac D, Kitapci M, Yaman E, Yildiz R, Demirci U, Kaya AO, Kapucu O. The utility and prognostic value of positron emission tomography with fluorine-18-fluoro-2-d-glucose (FDG–PET) on patients with Hodgkin and non-Hodgkin lymphoma. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e18535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Yaman E, Gonul II, Buyukberber S, Coskun U, Yamac D, Sevinc A, Dane F, Uner A, Ozturk B, Kaya AO. The expression patterns of STAT-3, phosphorylated STAT-3, P38 MAP-kinase, and phosphorylated P38 MAP-kinase in triple-negative breast cancers and their prognostic significance. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Kaya AO, Coskun U, Buyukberber S, Benekli M, Tekin E, Cifter C, Ozturk B, Yildiz R, Yaman E, Uner A, Yamac D. Efficacy and toxicity of preoperative chemotherapy with docetaxel and epirubicin in locally advanced invasive breast cancer. J BUON 2010; 15:248-254. [PMID: 20658717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
PURPOSE To investigate the efficacy and safety of neoadjuvant chemotherapy with docetaxel plus epirubicin with granulocyte colony-stimulating factor (G-CSF) support in locally advanced breast cancer patients. METHODS We retrospectively evaluated the records of 39 patients with locally advanced breast cancer. All of them received neoadjuvant epirubicin 75 mg/m(2) plus docetaxel 75 mg/m(2) every 3 weeks with G-CSF support. Responding patients were subjected to breast-conserving or modified radical mastectomy. RESULTS Four (10.3%) patients achieved clinical complete response (cCR) and 25 (64.1%) clinical partial response (cPR). Pathologic complete response (pCR) was observed in 4 patients with cCR. Ten (25.6%) patients achieved stable disease (SD), while no patient had progressive disease (PD). Grade 3 and 4 neutropenia was observed in 6 (15.3%) and 4 cases (10.3%), respectively. Febrile neutropenia was observed in 2 (5.1%) cases and anemia in 7 (17.9%) cases. Grade 1/2 mucositis was observed in 12 (30.7%) patients and grade 1/2 peripheral neuropathy in 7 (17.9%) patients. Dose reduction was necessary in 4 patients with grade 4 neutropenia. The median disease-free survival was 60 months (95% CI: 41-79 months). Median overall survival was not reached. Five-year overall survival was 64.2%. CONCLUSION The combination of docetaxel plus epirubicin was active and tolerable in neoadjuvant treatment of locally advanced breast cancer.
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Affiliation(s)
- A O Kaya
- Department of Medical Oncology, Gazi University, School of Medicine, Ankara, Turkey
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Ozturk B, Coskun U, Yaman E, Cakir A, Akdemir UO, Yildiz R, Akyol G, Demirci U, Buyukberber S, Tezel E, Benekli M. Adult hepatic epitheloid haemangioendothelioma presenting with Kasabach-Merrit syndrome: a case report. J Clin Pathol 2010; 62:1053-5. [PMID: 19861572 DOI: 10.1136/jcp.2009.070706] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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