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Öğe Inflammation and chemerin in colorectal cancer(Sage Publications Ltd, 2016) Erdogan, Serpil; Yilmaz, Fatma Meric; Yazici, Ozan; Yozgat, Ahmet; Sezer, Sevilay; Ozdemir, Nuriye; Uysal, SemaChemerin is expressed mainly in the adipose tissue. It is an agonist of chemokine-like receptor-1, which is expressed by the immune system cells. Chemerin stimulates the chemotaxis of the immune system cells, and this indicates the function of chemerin and chemokine-like receptor-1 in the immune response. The tumor microenvironment is very important for determining cancer cell growth and spreading. Therefore, we aimed to investigate the association between colorectal cancer, inflammation, and adipokines including chemerin, adiponectin, and vaspin. The study group consisted of patients with colon cancer, whereas the control subjects consisted of patients with benign conditions, diagnosed with colonoscopy. The two groups were compared in terms of the C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), fibrinogen, adiponectin, chemerin, and vaspin. A total of 41 (28 men, 13 women) patients with confirmed colon cancer, and 27 (15 men, 12 women) controls without, confirmed by colonoscopy, were enrolled. The median chemerin levels were found significantly higher in the study group than the controls (390 vs. 340 ng/mL, p=0.032), whereas the mean vaspin and adiponectin levels were not significantly different. The median values for the CRP, fibrinogen, and ESR were significantly higher in the patients with colon cancer, when compared to the control group (6.08 vs. 1.4 mg/L, p<0.0001; 408 vs. 359 mg/dL, p=0.002; and 30 vs. 8 mm/h, p<0.0001, respectively). Our results show that higher levels of circulating chemerin, CRP, fibrinogen, and ESR are associated with an increased risk of developing colorectal cancer.Öğe The Predictive Role of Neurobiochemical Markers in Multiple Sclerosis(Istanbul Training & Research Hospital, 2020) Oguz, Esra Firat; Mungan, Semra; Yilmaz, Fatma Meric; Ercan, Mujgan; Uysal, SemaIntroduction: Multiple sclerosis (MS) is the most common, chronic, inflammatory, demyelinating disease of the central nervous system. We aimed to evaluate the levels of some neurobiochemical markers in order to evaluate their predictive role in MS. Methods: Fifty-one patients with a diagnosis of MS and 37 healthy subjects were included in the study. The patients with MS were diagnosed by a skilled neurologist based on the medical history and physical examination according to revised McDonald criteria. Neuron-specific enolase (NSE) and S100B levels were measured by electrochemiluminescence immunoassay. Glial fibrillary acidic protein (GFAP) and myelin basic protein (MBP) were measured by quantitive sandwich enzyme immunoassay technique with a commercially available ELISA kit. Results: There was a significant difference in NSE levels between the patient and the control groups. No significant difference was determined between the patient and the control groups in terms of S10013, MBP, and GFAP levels. S100B levels were positively correlated with Expanded Disability Status scale scores. Conclusion: Our findings indicated that NSE levels are significantly lower in MS patients. However, NSE levels should not be used alone at discriminating the disease. Multifactorial evaluation should be done during the diagnosis and follow-up of MS.