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1Red cell distribution width to platelet ratio: New and promising prognostic marker in acute pancreatitis显示文摘AIM: To evaluate the accuracy of red cell distribution width(RDW) to platelet ratio(RPR) to predict in-hospital mortality in acute pancreatitis(AP).METHODS: Between January 2010 and June 2012, 102 patients with AP were recruited to the study. In this retrospective cohort study, for all subjects, demographic data on hospital admission, AP etiology, comorbid diseases, organ failure assessment, laboratory parameters and length of hospital stay were examined. Additionally, we used a non-invasive prediction method in addition to the RPR to evaluate the disease severity. Multivariate logistic regression analyses were used to evaluate the impact of RPR on hospital admission to predict mortality.RESULTS:The male-female ratio(59/43)was 1.37with a median age of 56.5 years(17-89 years).In both univariate and multivariate analyses,RDW and RPR were presented as independent and significant variables on admission to predict mortality.The RPR obtained on hospital admission was persistently higher amongnon-survivors than among survivors(P<0.0001).The median RPR was 0.000087 in the non-survivor group and 0.000058 in the survivor group.RPR with a cutoff value of 0.000067 presented an area under the curve of 0.783(95%CI:0.688-0.878)in receiver operating characteristic curves and could predict the mortality of approximately 80%of the patients.Erdin etinkaya Kazim Senol Baris Saylam Mesut Tez 2014World Journal of Gastroenterology2014,20,39:38
2Efficacy of intramuscular diclofenac and fluid replacement in prevention of post-ERCP pancreatitis显示文摘AIM:To assess the efficacy of intramuscular diclofenac and fluid replacement for prevention of post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis.METHODS: A prospective, placebo-controlled study was conducted in 80 patients who underwent ERCP. Patients were randomized to receive parenteral diclofenac at a loading dose of 75 mg followed by the infusion of 5-10 mL/kg per hour isotonic saline over 4 h after the procedure, or the infusion of 500 mL isotonic saline as placebo. Patients were evaluated clinically, and serum amylase levels were measured 4, 8 and 24 h after the procedure.RESULTS: The two groups were matched for age, sex, underlying disease, ERCP findings, and type of treatment. The overall incidence of pancreatitis was 7.5% in the diclofenac group and 17.5% in the placebo group (12.5% in total). There were no significant differences in the incidence of pancreatitis and other variables between the two groups. In the subgroup analysis, the frequency of pancreatitis in the patients without sphincter of Oddi dysfunction (SOD) was significantly lower in the diclofenac group than in the control group (P=0.047).CONCLUSION: Intramuscular diclofenac and fluid replacement lowered the rate of pancreatitis in patients without SOD.Altug Senol Ulku Saritas Halil Demirkan 2009World Journal of Gastroenterology2009,15,32:20
3Radical vs conservative surgery for hydatid liver cysts:Experience from single center显示文摘AIM:To compare the efficacy and safety of radical and conservative surgical interventions for liver hydatid disease.METHODS:The study comprised 59 patients in two groups who had undergone radical and conservative surgical procedures for liver hydatid disease in our department between 2004 and 2009. Preoperative diagnostic tools,medical treatments,demographic and clinical characteristics,postoperative follow-up,and recurrence were compared in both groups. RESULTS:This non-randomized retrospective studyincluded 59 patients who had undergone liver hydatid disease surgery. The radical technique was used in 18 patients (mean age:42.1 ± 13.5 years,seven male,11 female),and the conservative technique was used in 41 patients (mean age:43.5 ± 13.9 years,17 male,24 female). The follow-up period ranged from 3 to 58 mo. Although operative time was significantly shorter in the conservative group (P < 0.001),recurrence was significantly reduced in the radical group (P = 0.045). No statistically significant differences were found in terms of hospitalization duration,cyst count and size,location,postoperative complications,scolicidal solution usage,or follow-up duration between the two groups.CONCLUSION:The more effective method for pre-venting postoperative recurrence is radical surgery. En-doscopic retrograde cholangiopancreatography for bile leakage in the early postoperative period may decrease the requirement for repeat surgery.Sami Akbulut Ayhan Senol Arsenal Sezgin Bahri Cakabay Mehmet Dursun Omer Satici 2010World Journal of Gastroenterology2010,16,8:19
4Left-sided appendicitis:Review of 95 published cases and a case report显示文摘AIM:To give an overview of the literature on left-sided acute appendicitis (LSAA) associated with situs inversus totalis (SIT) and midgut malrotation (MM).METHODS:We present a new case of LSAA with SIT and a literature review of studies published in the English language on LSAA,accessed via PubMed and Google Scholar databases.RESULTS:Ninety-five published cases of LSAA were evaluated and a 25-year-old female,who presented to our clinic with left lower abdominal pain caused by LSAA,is reported.In the reviewed literature,fiftyseven patients were male and 38 were female with an age range of 8 to 82 years and a median age of 29.1 ± 15.9 years.Sixty-six patients had SIT,23 had MM,three had cecal malrotation,and two had a previously unnoted congenital abnormality.Fifty-nine patients had presentedto the hospital with left lower,14 with right lower and seven with bilateral lower quadrant pain,and seven subjects complained of left upper quadrant pain.The diagnosis was established preoperatively in 49 patients,intraoperatively in 19,and during the postoperative period in five;14 patients were aware of having this anomaly.The data of eight patients were not unavailable.Eleven patients underwent laparoscopic appendectomy,which was combined with cholecystectomy in two cases.Histopathological examination of the appendix specimens revealed adenocarcinoma in only two of 95 patients.CONCLUSION:The diagnosis of left lower quadrant pain is based on well-established clinical symptoms,physical examination and physician's experience.Sami Akbulut Abdullah Ulku Ayhan Senol Mahmut Tas Yusuf Yagmur 2010World Journal of Gastroenterology2010,16,44:9
5Expression of Notch pathway components (Numb, Itch, and Siah-1) in colorectal tumors: A clinicopathological study显示文摘BACKGROUND The role of the Notch pathway in carcinogenesis and tumor progression has been demonstrated in many organs,including the colon.Accordingly,studies aimed at developing therapies targeting this pathway in various cancers require the identification of several factors that may play a role in regulating Notch-1 expression.Although Numb,Itch,and seven in absentia homolog-1(Siah-1)have been shown to contribute to the regulation of Notch signaling,their role in colorectal carcinogenesis and tumor progression has not been fully elucidated to date.AIM To evaluate Numb,Itch,and Siah-1 expression in colorectal tumors to clarify their relationship with Notch-1 expression and their role in carcinogenesis and tumor behavior.METHODS Expression of Notch-1,Numb,Itch,and Siah-1 was investigated in 50 colorectal carcinomas,30 adenomas,and 20 healthy colonic tissues by immunohistochemistry and quantitative real-time polymerase chain reaction(PCR)analyses.RESULTS In contrast to Notch-1,which is expressed at higher levels in tumor tissues and adenomas,expression of Numb,Itch,and Siah-1 was stronger and more frequent in normal mucosa(P<0.01).There was a positive correlation between Notch-1 expression and high histological grade,the presence of lymph node metastasis,and advanced-stage tumors,whereas expression of Numb,Itch,and Siah-1 was absent or reduced in tumors with these clinicopathological parameters(P<0.05).In survival analysis,expression of Notch was related to poor prognosis but that of Numb,Itch,and Siah-1 correlated with improved survival(P<0.05).Multivariate analysis revealed Notch-1 expression and loss of Numb expression to be independent prognostic parameters together with lymph node metastasis(P<0.05).CONCLUSION Our findings support the role of Notch-1 in colorectal carcinoma and indicate that loss of Numb,Itch,and Siah-1 expression is associated with carcinogenesis.Our data also suggest that these three proteins might be involved in the Notch-1 pathway during colorectal carcinoma(CRC)progression and might play an essential role in approaches targeting Notch as novel molecular therapies for CRC.Sinem Cil Gonulcu Betul Unal Ibrahim Cumhur Bassorgun Mualla Ozcan Hasan Senol Coskun Gulsum Ozlem Elpek 2020World Journal of Gastroenterology2020,26,26:5
6Melatonin reduces traumatic brain injury-induced oxidative stress in the cerebral cortex and blood of rats显示文摘Free radicals induced by traumatic brain injury have deleterious effects on the function and antioxidant vitamin levels of several organ systems including the brain. Melatonin possesses antioxidant effect on the brain by maintaining antioxidant enzyme and vitamin levels. We investigated the effects of melatonin on antioxidant ability in the cerebral cortex and blood of traumatic brain injury rats. Results showed that the cerebral cortex β-carotene, vitamin C, vitamin E, reduced glutathione, and erythrocyte reduced glutathione levels, and plasma vitamin C level were decreased by traumatic brain injury whereas they were increased following melatonin treatment. In conclusion, melatonin seems to have protective effects on traumatic brain injury-induced cerebral cortex and blood toxicity by inhibiting free radical formation and supporting antioxidant vitamin redox system.Nilgün Senol Mustafa Naziroglu 2014Neural Regeneration Research2014,9,11:5
7Tracheobronchopathia osteochondroplastica: four cases显示文摘Dursun Tatar Gunes Senol Atike Demir Gulru Polat 2012Chinese Medical Journal2012,,16:4
8Kefir treatment ameliorates dextran sulfate sodium-induced colitis in rats显示文摘AIM: To investigate the preventive effect of kefir on colitis induced with dextran sulfate sodium(DSS) in rats.METHODS: Twenty-four male Wistar-albino rats were randomized into four groups: normal control,kefircontrol,colitis,and kefir-colitis groups. Rats in the normal and kefir-control groups were administered tap water as drinking water for 14 d. Rats in the colitis and kefir-colitis groups were administered a 3% DSS solution as drinking water for 8-14 d to induce colitis. Rats in the kefir-control and kefir-colitis groups were administered 5 m L kefir once a day for 14 d while rats in the normal control and colitis group were administered an identical volume of the placebo(skim milk) using an orogastric feeding tube. Clinical colitis was evaluated with reference to the disease activity index(DAI),based on daily weight loss,stool consistency,and presence of bleeding in feces. Rats were sacrificed on the 15 th day,blood specimens were collected,and colon tissues were rapidly removed. Levels of myeloperoxidase(MPO),tumor necrosisfactor(TNF)-α,interleukin(IL)-10,malondialdehyde,and inducible nitric oxide synthase(i NOS) were measured in colon tissue.RESULTS: The DAI was lower in the kefir-colitis group than in the colitis group(on the 3rd and 5th days of colitis induction; P < 0.01). The DAI was also significantly higher in the colitis group between days 2 and 6 of colitis induction when compared to the normal control and kefir-control groups. The DAI was statistically higher only on the 6th day in the kefircolitis group when compared to that in the normal control groups. Increased colon weight and decreased colon length were observed in colitis-induced rats. Mean colon length in the colitis group was significantly shorter than that of the kefir-control group. Kefir treatment significantly decreased histologic colitis scores(P < 0.05). MPO activity in the colitis group was significantly higher than in the kefir-control group(P < 0.05). Kefir treatment significantly reduced the DSS colitis-induced TNF-α increase(P < 0.01). No statistically significant differences were observed among groups for IL-10 and MDA levels. Colon tissue i NOS levels in the colitis group were significantly higher than those in the control and kefir-colitis groups(P < 0.05).CONCLUSION: Kefir reduces the clinical DAI and histologic colitis scores in a DSS-induced colitis model,possibly via reduction of MPO,TNF-α,and i NOS levels.Altug Senol Mehmet Isler Recep Sutcu Mete Akin Ebru Cakir Betul M Ceyhan M Cem Kockar 2015World Journal of Gastroenterology2015,21,46:3
9Two effective approaches for solving fractional generalized Hirota-Satsuma coupled KdV system arising in interaction of long waves显示文摘In this article,two different methods,namely sub-equation method and residual power series method,have been used to obtain new exact and approximate solutions of the generalized Hirota-Satsuma system of equations,which is a coupled KdV model.The fractional derivative is taken in the conformable sense.Each of the obtained exact solutions were checked by substituting them into the corresponding system with the help of Maple symbolic computation package.The results indicate that both methods are easy to implement,effective and reliable.They are therefore ready to apply for various partial fractional differential equations.Ali Kurt Hadi Rezazadeh Mehmet Senol Ahmad Neirameh Orkun Tasbozan Mostafa Eslami Mohammad Mirzazadeh 2019Journal of Ocean Engineering and Science2019,4,1:3
10Efficient adsorption of Th(Ⅳ)from aqueous solution by modified SBA-15 mesoporous silica显示文摘A very effective adsorbent for thorium has been obtained by modification of Santa Barbara Amorphous(SBA-15) using the chelating agent thenoyltrifluoroacetone(TTA).The prepared adsorbent(SBA-15-TTA) was characterized using scanning electron microscopy(SEM),Fourier transform infrared spectroscopy(FT-IR),surface area,porosity,and zeta potential analyses.We investigated the factors affecting Th(IV) adsorption on TTA-SBA-15,such as initial p H,contact time,temperature,and initial metal concentration.The effective initial p H for adsorption was found to be 4.The binding sites on TTA-SBA-15 adsorbent were saturated using an initial Th(IV) concentration of 100 mg L-1.The Dubinin–Radushkevich isotherm suggested a strong chemical interaction between adsorbent and adsorbate.Contact time and temperature had no significant effect on the adsorption.Therefore,the studies show that TTA-SBA-15 is a promising adsorbent to treat Th(IV)-contaminated effluents.Mutlu Gok Senol Sert Gulcin Ozevci Meral Eral 2018Nuclear Science and Techniques2018,29,7:3
11Structure, Physico-chemical and Microbiological Properties of Ozone-oxidized Wheat, Corn, Potato and Rice Starches显示文摘Hatice Catal Senol Ibanoglu 2012Journal of Food Science and Engineering2012,2,4:3
12Hepatitis B reactivation related to everolimus显示文摘Reactivation of hepatitis B virus (HBV) during chemotherapy is a well known complication in patients with chronic hepatitis B and cancer.The clinical manifestations range from subclinical elevation of liver enzymes to severe,potentially fatal fulminant hepatitis.Reactivation can occur in a patient with previous inactive HBV infection;either an inactive carrier or a patient with resolved hepatitis.Everolimus is a mammalian target of rapamycin (mTOR) inhibitor approved in renal cell carcinoma,neuroendocrine tumours and breast cancer.mTOR inhibitors are a new generation of drugs for targeted treatment;therefore,little about their side effects is known.Here,we report a patient with renal cell carcinoma who experienced a flare of hepatitis B infection during treatment with everolimus.Clinicians should be aware of HBV reactivation in patients who are undergoing treatment with everolimus,and screening for hepatitis B infection and prophylactic antiviral treatment should be considered.Sema Sezgin Gksu Serife Bilal Hasan Senol Coskun 2013World Journal of Hepatology2013,5,1:3
13Effect of growth hormone on small intestinal homeostasis relation to cellular mediators IGF-I and IGFBP-3显示文摘AIM:To evaluate the effects of growth hormone(GH) on the histology of small intestines which might be related to the role of insulin like growth factor(IGF)-I, IGF-binding protein 3(IGFBP-3)and its receptors. METHODS:Twelve week-old adult male Wistar albino rats were divided into two groups.The study group(n =10),received recombinant human growth hormone (rGH)at a dose of 2 mg/kg per day subcutaneously for 14 d and the control group(n=10)received physiologic serum.Paraffin sections of jejunum were stained with periodic acid shift(PAS)and hematoxylin and eosin(HE) for light microscopy.They were also examined for IGF-I, IGFBP-3 and IGF-receptor immunoreactivities.Staining intensity was graded semi-quantitatively using the HS- CORE. RESULTS:Goblet cells and the cells in crypt epitheliawere significantly increased in the study group compared to that of the control group.We have demonstrated an increase of IGF-I and IGFBP-3 immunoreactivities in surface epithelium of the small intestine by GH application.IGF-I receptor immunoreactivities of crypt,villous columnar cells,enteroendocrine cells and muscularis mucosae were also more strongly positive in the study group compared to those of in the control group. CONCLUSION:These findings confirm the important trophic and protective role of GH in the homeostasis of the small intestine.The trophic effect is mediated by an increase in IGF-I synthesis in the small intestine, but the protective effect is not related to IGF-I.Betul Ersoy Kemal Ozbilgin Erhun Kasirga Sevinc Inan Senol Coskun Ibrahim Tuglu 2009World Journal of Gastroenterology2009,15,43:2
14Neural circuit control of innate behaviors显示文摘All animals possess a plethora of innate behaviors that do not require extensive learning and are fundamental for their survival and propagation.With the advent of newly-developed techniques such as viral tracing and optogenetic and chemogenetic tools,recent studies are gradually unraveling neural circuits underlying different innate behaviors.Here,we summarize current development in our understanding of the neural circuits controlling predation,feeding,male-typical mating,and urination,highlighting the role of genetically defined neurons and their connections in sensory triggering,sensory to motor/motivation transformation,motor/motivation encoding during these different behaviors.Along the way,we discuss possible mechanisms underlying binge-eating disorder and the pro-social effects of the neuropeptide oxytocin,elucidating the clinical relevance of studying neural circuits underlying essential innate functions.Finally,we discuss some exciting brain structures recurrently appearing in the regulation of different behaviors,which suggests both divergence and convergence in the neural encoding of specific innate behaviors.Going forward,we emphasize the importance of multi-angle and cross-species dissections in delineating neural circuits that control innate behaviors.Wei Xiao Zhuo-Lei Jiao Esra Senol Jiwei Yao Miao Zhao Zheng-Dong Zhao Xiaowei Chen Peng Cao Yu Fu Zhihua Gao Wei L Shen Xiao-Hong Xu 2022Science China(Life Sciences)2022,65,3:2
15Hydrodeoxygenation of methyl esters on sulphided NiMo/r-Al2 03 and CoMo/r-A12 03 catalysts 显示文摘SENOL O I VILJAVA T R KRAUSE A O I 2005Catal Today2005,,100:1
16Role of viruses and atypical agents in COPD acute exacerbations显示文摘GULDAVAL F EVCILER I SENOL G 2004Eur Respir2004,24,:1
17Comparative protein profiling reveal sminichromosome maintenanee(MCM) proteins as novel potential tumor markers for meningiomas 显示文摘Saydam O Senol O Visser TB 2010J Proteome Res2010,9,1:1
18An in vitro per- spective to cholinesterase inhibitory and antioxidant activi- ty of five Gentiana species and Gentianella caucasea 显示文摘Senol FS Tuzun CY Toker G 2012Int J Food Sci Nutr2012,63,7:1
19Humoral immune response a-gainst 38-kDa and 16-kDa mycobacterial antigens in tuberculosis显示文摘Senol G Erer OF Yalcin YA 2007Eur Respir J2007,29,1:1
20Multivariate analysis of the data and speciation of heavy metals in street dust samples from the Organized Industrial District in Kayseri (Turkey) 显示文摘-erife Tokalioglu Senol Kartal 2006Atmospheric Environment2006,40,:1
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