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A Pilot Study On The Beneficial Effects Of Additional Selenium Supplementation To Methimazole For Treating Patients With Graves' Disease, Bin Xu, Di Wu, Hong Ying, Ying Zhang
A Pilot Study On The Beneficial Effects Of Additional Selenium Supplementation To Methimazole For Treating Patients With Graves' Disease, Bin Xu, Di Wu, Hong Ying, Ying Zhang
Turkish Journal of Medical Sciences
Background/aim: The aim of this study was to assess the effect of a combination use of methimazole (MMI) and selenium (Se) in the treatment of Graves' disease (GD). Materials and methods: A total of 103 newly diagnosed hyperthyroidism patients were randomized to MMI and MMI + Se combination groups. After treatment for 6 months, the levels of triiodothyronine (FT3), free thyroxine (FT4), thyrotropin receptor antibody (TRAb), thyroid peroxidase antibody (TPOAb), and thyroglobulin antibody (TGAb) were observed. An in vitro culture model of thyroid cells was established and the protein expression and mRNA levels of TRAb, TPOAb, and TGAb were determined …
Alterations In Serum Levels Of Copper, Zinc, And Selenium Among Children With Sickle Cell Anemia, Rana Hasanato
Alterations In Serum Levels Of Copper, Zinc, And Selenium Among Children With Sickle Cell Anemia, Rana Hasanato
Turkish Journal of Medical Sciences
Background/aim: Oxidative stress contributes to pathophysiological dysfunction in sickle cell anemia (SCA). Copper (Cu) is a prooxidant, whereas zinc (Zn) and selenium (Se) are antioxidant trace elements. This study investigates the serum levels of Cu, Zn, and Se among children with SCA.Materials and methods: This cross-sectional study was performed at King Khalid University Hospital, Riyadh. Thirty-three children with SCA in steady state and 33 age- and sex-matched normal healthy children were included in the study. Cu, Zn, and Se levels were measured by inductively coupled plasma-mass spectrometry (ICP-MS) instrument.Results: The median serum Cu levels among SCA patients (1.3 -g/mL) were …
Selenium Status In Blood, Urine, And Hair Samples Of Newly Diagnosed Pediatric Cancer Patients, Serap Karaman, Banu Mansuroğlu, Kadri̇ye Kizilbey, Serap Derman, Afi̇fe Bi̇nnaz Hazar
Selenium Status In Blood, Urine, And Hair Samples Of Newly Diagnosed Pediatric Cancer Patients, Serap Karaman, Banu Mansuroğlu, Kadri̇ye Kizilbey, Serap Derman, Afi̇fe Bi̇nnaz Hazar
Turkish Journal of Medical Sciences
Background/aim: Selenium (Se) is a trace element that has multiple functions. Low Se amounts in serum and hair have been reported in pediatric and adult cancer patients. The aim of our study was to evaluate Se levels in the serum, urine, and hair of pediatric cancer patients with leukemia, lymphoma, and solid tumors when compared with healthy children. Materials and methods: The concentrations of Se in the serum, hair, and urine of 32 Turkish children as healthy controls and 88 Turkish children diagnosed with acute leukemia (58), lymphoma (16), and solid tumors (14) were measured using inductively coupled plasma mass …
Protective Effect Of Selenium On Intussusception-Induced Ischemia/Reperfusion Intestinal Oxidative Injury In Rats*, Hülya Akman, Sali̇h Somuncu, Günnur Di̇kmen, Şebnem Ayva, Tutku Soyer, Paki̇ze Doğan, Murat Çakmak
Protective Effect Of Selenium On Intussusception-Induced Ischemia/Reperfusion Intestinal Oxidative Injury In Rats*, Hülya Akman, Sali̇h Somuncu, Günnur Di̇kmen, Şebnem Ayva, Tutku Soyer, Paki̇ze Doğan, Murat Çakmak
Turkish Journal of Medical Sciences
To evaluate the protective effect of selenium on intestinal ischemia-reperfusion injury due to intussusception. Materials and methods: Forty Wistar albino rats were allocated to 4 equal groups (n = 10). After anesthetization, 2 cm of intestinal segment, 20 cm proximal to the ileocecal valve, was removed in the control group (CG). In the intussusception group (ING), intussusception was performed 20 cm proximal to the ileocecal valve by pushing the proximal intestinal segment distally with a stylet, and 2 cm of intestinal segment was removed 4 h later. Intussusception was reduced and a 2 cm segment was removed after another 4 …
The Effect Of Pre-Injury Supplementation With Selenium Or Vitamin E On Lipid Peroxidation And Antioxidant Enzymes In Burn Injury, Ramazan Memi̇şoğullari, Kenan Gümüşteki̇n, Şenol Dane, Fati̇h Akçay
The Effect Of Pre-Injury Supplementation With Selenium Or Vitamin E On Lipid Peroxidation And Antioxidant Enzymes In Burn Injury, Ramazan Memi̇şoğullari, Kenan Gümüşteki̇n, Şenol Dane, Fati̇h Akçay
Turkish Journal of Medical Sciences
Aim: The purpose of this experimental study was to investigate the effect of pre-injury supplementation with vitamin E or selenium on antioxidant enzyme and malondialdehyde levels, as markers of lipid peroxidation, after thermal injury to rats. Materials and Methods: The animals were divided into 3 groups: Group 1 (n = 15): controls, no supplementation; Group 2 (n = 14): received vitamin E (100 mg/kg per day) for 10 days pre-burn; Group 3 (n = 14): received selenium (4 ppm in drinking water) for 10 days pre-burn. All animals were given second-degree burns. Serum and liver tissues of the rats were …
Study Of Elements, Antioxidants And Lipid Peroxidation In Hemodialysis Patients, Esma Menevşe, Abdullah Si̇vri̇kaya, Emrah Karagözoğlu, Ali̇ Muhtar Ti̇fti̇k, Süleyman Türk
Study Of Elements, Antioxidants And Lipid Peroxidation In Hemodialysis Patients, Esma Menevşe, Abdullah Si̇vri̇kaya, Emrah Karagözoğlu, Ali̇ Muhtar Ti̇fti̇k, Süleyman Türk
Turkish Journal of Medical Sciences
Background: During hemodialysis, most of the elements must be kept in a rather narrow physiological range, otherwise life-threatening events may occur. Furthermore, lipid peroxidation in patients may be partly due to the trace element disturbances. It has been mentioned that there are relations between deficiency in trace elements and antioxidant levels. The present study aimed to determine whether there were differences between hemodialysis patients and a healthy group according to selenium, aluminium, malondialdehyde (MDA), reduced form of glutathione (GSH) and superoxide dismutase (SOD) levels. Methods: The study included 47 hemodialysis patients (hemodialysis group). Blood samples were taken before (pre-hemodialysis) and …
Protective Effects Of Vitamin E Selenium And Allopurinol Against Stress-Induced Ulcer Formation In Rats, Nai̇me Canoruç, Ramazan Çi̇çek, Aytaç Atamer, Mehmet Dursun, Cengi̇z Turgut, Ensari̇ Güneli̇, Fi̇kri̇ Canoruç
Protective Effects Of Vitamin E Selenium And Allopurinol Against Stress-Induced Ulcer Formation In Rats, Nai̇me Canoruç, Ramazan Çi̇çek, Aytaç Atamer, Mehmet Dursun, Cengi̇z Turgut, Ensari̇ Güneli̇, Fi̇kri̇ Canoruç
Turkish Journal of Medical Sciences
This study was carried out in the Health Research Center (DÜSAM) laboratory of Dicle University. Vitamin E, Selenium and Allopurinol were given to counteract gastric damage caused by stress in rats. In the study 64 male Sprague dawley rats were used. They were divided into 8 groups, and protective agents were applied at different doses for 8 weeks. Then, performing cold-restraint stress stomach tissues were taken out and investigated macroscopically to determine mucosal damage. Lipid peroxidation levels in the stomach specimens were determined by identifying Malondialdehyde (MDA) levels by the thiobarbituric acid method. These agents have shown protective effects against …
Histopathological Effects Of Cholesterol And Protective Effects Of Vitamin E And Selenium On The Morphology Of Liver, Süheyla Gonca, Süreyya Ceylan, Melda Yardimoğlu, Hakki Dalçik, Si̇bel Köktürk, Serdar Fi̇li̇z, Zuhal Yumbul
Histopathological Effects Of Cholesterol And Protective Effects Of Vitamin E And Selenium On The Morphology Of Liver, Süheyla Gonca, Süreyya Ceylan, Melda Yardimoğlu, Hakki Dalçik, Si̇bel Köktürk, Serdar Fi̇li̇z, Zuhal Yumbul
Turkish Journal of Medical Sciences
In this study, effects of cholesterol and protective effects of vitamin E (vit E) and Selenium (Se) on the morphology of the liver in rats were observed. Cholesterol (Chol) supplemented diet, Chol + vit E, Chol + Se and Chol + vit E + Se were applied to the rats. Portal fibrosis with bile ductal proliferation and an increased inflammatory infiltration were seen in Chol group. In this group, ultrastructurally, granular endoplasmic reticulum (GER) arrangement was seen in irregular shape in hepatocyte cytoplasm. The membranes of GER and mitochondria were not seen clearly. A morphological improvement was seen in the …
Decreasing Selenium Levels Andglutathione Peroxidase Activity In Patientswith Cutaneous Leishmaniasis, Abdurrahi̇m Koçyi̇ği̇t, Özcan Erel, Mehmet Sali̇h Gürel, Adnan Seyrek, Necmeddi̇n Aktepe, Selahatti̇n Gür, Senel Avci
Decreasing Selenium Levels Andglutathione Peroxidase Activity In Patientswith Cutaneous Leishmaniasis, Abdurrahi̇m Koçyi̇ği̇t, Özcan Erel, Mehmet Sali̇h Gürel, Adnan Seyrek, Necmeddi̇n Aktepe, Selahatti̇n Gür, Senel Avci
Turkish Journal of Medical Sciences
For most infectious diseases, increased formation of reactive oxygen species is secondary to the primary disease process. Some microorganisms are highly susceptible to exogenous reactive oxygen species such as hydrogen peroxide. Glutathione peroxidase (GSH-Px) remove H 2 O 2 , and selenium is requird for the activity of GSH-Px. Therefore, to assess the status of GSH-Px and selenium in cutaneous leishmaniasis (CL), we determined serum selenium concentration and blood GSH-Px activity in 52 patients with CL and in 38 healthy controls. Selenium concentrations and GSH-Px activities were found to be lower in the patient group than in the controls (p
Effect Of Selenium On "Low T_3 Syndrome" Inhepatic Failure, Emir Dönder, Mehmet Çay, Necip İlhan, Giyasettin Baydaş, Mustafa Naziroğlu
Effect Of Selenium On "Low T_3 Syndrome" Inhepatic Failure, Emir Dönder, Mehmet Çay, Necip İlhan, Giyasettin Baydaş, Mustafa Naziroğlu
Turkish Journal of Medical Sciences
Triiodothyronine occurs especially in 5'-monodeiodination of thyroxin in peripheral tissues. Deiodination of thyroxin mainly occurs in the liver. The enzyme which catalyzes this reaction is a seleno-enzyme. Deiodinase enzyme activity and the triiodothyronine level decrease in selenium deficiency. After the occurrence of chronic hepatic failure by carbon tetrachloride in rats, we gave sodium selenite to these rats. Then, we tried to evaluate the changes in thyroid hormone levels. Liver function tests, thyroxin and triiodothyronine levels, and hepatic 5'-deiodinase and glutathione peroxidase enzyme activities were measured. Triiodothyronine levels in the carbon tetrachloride group and carbon tetrachloride + selenium group were significantly …