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    Association of adverse outcomes of intrahepatic cholestasis of pregnancy with zonulin levels
    (Taylor & Francis Inc, 2021) Deniz, Cigdem Damla; Ozler, Sibel; Sayin, Fatma Kubra
    Our aim was to investigate serum zonulin levels in intrahepatic cholestasis of pregnancy (ICP) and to determine the usefulness of zonulin in ICP follow-up. A prospective case-control study was carried out which included 88 pregnant women (44 patients with ICP and 44 controls). Maternal serum samples obtained from all participants and zonulin levels were determined by enzyme-linked immunosorbent assay (ELISA). Compared with controls, women with ICP had significantly higher zonulin levels (mean 0.728 +/- 0.520 ng/mL vs. 1.303 +/- 0.63 ng/mL, p 001). According to the receiver operating characteristic (ROC) analysis performed for the predictive value of zonulin levels for ICP, the area under the curve (AUC) was 0.761 (95% CI: 0.661-0.860). Multivariable logistic regression analysis revealed serum zonulin levels was independently associated with adverse perinatal outcomes (OR = 1.278, 95% CI: 0.232-7.041), severity ICP (OR: 7.535, 95% CI: 1.597-13.553) and also unresponsiveness to treatment in ICP (OR: 4.178, 95% CI: 0.929-8.784). IMPACT STATEMENT What is already known on this subject? Zonulin is a regulator protein that increases the intestinal permeability by modulating the intercellular tight junctions (TJ). It is the only physiological protein known to control intestinal permeability and damage of the intestinal barrier is one of the causes of absorption disorders, inflammation and autoimmunity. ICP is a relatively non-threatening condition to women but is linked with a higher risk of preterm delivery, foetal distress and foetal death. What do the results of this study add? This study showed that increased levels of zonulin are associated with adverse perinatal outcomes, severity of ICP and unresponsiveness to treatment in ICP. What are the implications of these findings for clinical practice and/or further research? Focussing on preservation of intestinal permeability may be an alternative preventive strategy to reduce the adverse perinatal outcomes and severity of ICP. Further longitudinal studies are needed to verify the relationships among zonulin levels and pregnancy-related diseases.
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    Associations between Emotional Eating and Metabolic Risk Factors at Adolescents with Obesity
    (Lifescience Global, 2020) Sayin, Fatma Kubra; Buyukinan, Muammer; Deniz, Cigdem Damla; Arslan, Derya
    Purpose: This study aimed to determine whether emotional eating (EE) and uncontrolled eating (UCE) scores affect the metabolic risk factors in obese adolescents. Methods: A sample of 100 adolescents have BMI-SDS between 1.41 and 2.83 (aged 12-17 years) was selected. EE and UCE scores were estimated using the TFEQ21. The association of EE and UCE with anthropometric data, lipid profile, glucose profile, liver enzymes, and inflammation factors was assessed in boys and girls. Results: Using Spearman rank correlation, EE scores significantly correlated with uric acid (r = 0.393 and P = 0.001), CRP (r = 0.273 and P = 0.017), TG (r = 0.317 and P = 0.001), TC (r = 0.258 and P = 0.019) and VAI (r = 0.276 and P = 0.034). Also UCE scores were showed positive correlation with CRP (r = 0.257 and P = 0.024). Conclusion: In conclusion, interrelationships tend to exist between EE and triglyceride, uric acid, visceral adiposity index, and CRP levels among obese adolescents.
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    Associations between night eating syndrome and metabolic parameters in pregnant women
    (Galenos Yayincilik, 2019) Deniz, Cigdem Damla; Ozler, Sibel; Sayin, Fatma Kubra; Eryilmaz, Mehmet Ali
    Objective: In this study, we aimed to evaluate the incidence of night eating in pregnancy and the relationship between night eating scores and nutritional status, insulin resistance, and lipid profile in pregnant women. Materials and Methods: In this study, 148 pregnant women who presented to the Gynecology and Obstetrics Clinics at Konya Training and Research Hospital in Konya were divided into two groups according to their night eating scores. These two groups were compared in terms of their nutritional attitudes and metabolic parameters. Results: Comparisons of participants meeting night eating syndrome (NES) scores versus women without NES indicated that patients with NES exhibited fever hunger at breakfast time, more breakfast skipping (p<0.05) than those without NES. Also homeostatic model assessment insulin resistance, insulin, and high-density lipoprotein cholesterol parameters were significantly higher in pregnant women in the NES group (p<0.05). Also, correlations were found between higher night eating questionnaire total scores and higher HbA1c, insulin resistance, insulin, and more breakfast skipping. Conclusion: The results of this study suggest that night eating symptoms during pregnancy may increase and this is able to effect glucose metabolism.
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    Effects of Silybum marianum Extract on High-Fat Diet Induced Metabolic Disorders in Rats
    (Inst Animal Reproduction & Food Research Polish Acad Sciences Olsztyn, 2016) Sayin, Fatma Kubra; Buyukbas, Sadik; Basarali, M. Kemal; Alp, Harun; Toy, Hatice; Ugurcu, Veli
    Silybum marianum extract (SME) has been used for centuries as a natural remedy for diseases of liver and biliary tract. Lately, it has been promoted as a nutritional supplement for beneficial effects on some risk factors of diabetes and hyperlipidemia. In this study we aimed to determine the effects of SME on high-fat diet (HFD) induced metabolic disorders. Male Sprague Dawley rats were fed HFD for 11 weeks to induce obesity. SME was given to animals for two different durations, for 11 weeks or for 7 weeks. The results showed significant increase in plasma transaminases, total cholesterol (TC), triglycerides (TG), low density lipoprotein cholesterol (LDL-C), leptin, high sensitive C-reactive protein (hsCRP), glucose and insulin along with significant increase in body mass index (BMI) and liver weights in rats fed the HFD diet compared to rats fed with standard rat diet. SME supplementation for different durations raised improvement in the HFD-induced metabolic disorders such as insulin resistance, hyperlipidemia and hepatopathy at different degrees. Our study concludes that SME can be well considered as an effective supplement to improve insulin and leptin sensitivity and hyperlipidemia and to suppress body weight gain.
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    Effects of Silybum marianum Extract on High-Fat Diet Induced Metabolic Disorders in Rats
    (Inst Animal Reproduction & Food Research Polish Acad Sciences Olsztyn, 2016) Sayin, Fatma Kubra; Buyukbas, Sadik; Basarali, M. Kemal; Alp, Harun; Toy, Hatice; Ugurcu, Veli
    Silybum marianum extract (SME) has been used for centuries as a natural remedy for diseases of liver and biliary tract. Lately, it has been promoted as a nutritional supplement for beneficial effects on some risk factors of diabetes and hyperlipidemia. In this study we aimed to determine the effects of SME on high-fat diet (HFD) induced metabolic disorders. Male Sprague Dawley rats were fed HFD for 11 weeks to induce obesity. SME was given to animals for two different durations, for 11 weeks or for 7 weeks. The results showed significant increase in plasma transaminases, total cholesterol (TC), triglycerides (TG), low density lipoprotein cholesterol (LDL-C), leptin, high sensitive C-reactive protein (hsCRP), glucose and insulin along with significant increase in body mass index (BMI) and liver weights in rats fed the HFD diet compared to rats fed with standard rat diet. SME supplementation for different durations raised improvement in the HFD-induced metabolic disorders such as insulin resistance, hyperlipidemia and hepatopathy at different degrees. Our study concludes that SME can be well considered as an effective supplement to improve insulin and leptin sensitivity and hyperlipidemia and to suppress body weight gain.
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    Sleep Duration and Media Time Have a Major Impact on Insulin Resistance and Metabolic Risk Factors in Obese Children and Adolescents
    (Mary Ann Liebert, Inc, 2016) Sayin, Fatma Kubra; Buyukinan, Muammer
    Background: Lifestyle factors sleep duration and media time during childhood differ between countries. This study examined whether sleep duration and media time affect metabolic risk factors insulin resistance (IR), blood lipid profile, and liver enzymes, and whether there is a relationship between sleep time and media time in Turkish obese children and adolescents. Methods: Subjects included 108 obese children and adolescents (aged 10-15 years) whose lifestyle factors were assessed using a survey containing questions about sleep durations, television viewing, media use, and demographic factors. Metabolic risk factors were compared among groups categorized according to sleep and media duration. Results: Aspartate aminotransferase (AST), alanine aminotransferase (ALT), and triglyceride (TG) levels and homeostasis model assessment of insulin resistance (HOMA-IR) values were higher in subjects who spent >5 hours/day on media. Children 10-13 years old who slept <9 hours/day were more likely to have higher insulin and HOMA-IR (p<0.05) levels and lower high-density lipoprotein cholesterol (HDL-C) levels compared with subjects who slept 9-10 hours/day and >10 hours/day. Correlation analysis revealed a negative relationship between sleep time and media time (r=-0.471, p=0.000). Conclusions: Short sleep duration was associated with IR and an elevated plasma lipoprotein profile in children and adolescents. Our results suggest that insufficient sleep and excessive media exposure may contribute to metabolic risk in the context of obesity, and therefore, working to improve sleep duration and limit media time could help reduce metabolic risk in obese children and adolescents.