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ORIGINAL ARTICLE
Year : 2019  |  Volume : 31  |  Issue : 4  |  Page : 763-773

Association of serum visfatin and its mRNA expression levels with cognitive function and idiopathic intracranial hypertension in obese Egyptian women


1 Department of Internal Medicine, Faculty of Medicine, Zagazig University, Zagazig, Egypt
2 Department of Neurology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
3 Department of Psychiatry, Faculty of Medicine, Zagazig University, Zagazig, Egypt
4 Department of Physiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
5 Department of Clinical Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Correspondence Address:
MD Nearmeen M Rashad
Department of Internal Medicine, Faculty of Medicine, Zagazig University, 44519, Zagazig
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ejim.ejim_133_19

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Background An epidemic of obesity has spread across the globe. Obesity has numerous comorbidities, including airway disease, insulin resistance, type 2 diabetes, cardiovascular disease, atherosclerosis, degenerative neurological disease, cognitive dysfunction, and cancer. Inflammatory cytokine is suggested to play a role in obesity and its complications. The current study aimed to estimate the expression and serum visfatin concentrations in obese Egyptian women. Moreover, we aimed to evaluate the possible association of visfatin gene expression and its serum levels with idiopathic intracranial hypertension (IIH) and cognitive dysfunction Participants and methods This cross-sectional study enrolled 60 obese women and 40 lean healthy women as controls. Obese women were classified according to grades of obesity into three groups. All participants underwent full clinical, neurological, and psychiatric examination. IIH group included patients with intracranial pressure greater than 25 cmH2O (opening pressure measured during lumber puncture in lateral decubitus position). Cognitive function was evaluated by using Montreal Cognitive Assessment scale (MoCA), Arabic version. Estimation of visfatin expression levels was determined by real-time PCR, and serum visfatin concentrations were measured using enzyme-linked immunosorbent assay. Results Our results revealed that obese women had higher values of visfatin expression (1.44±0.29) and serum levels (124.1±) compared with lean women (1.01±0.3 and 46.1±33.8, respectively). The visfatin expression and serum levels were significantly positively correlated with obesity indices, metabolic risks, MoCA, cerebrospinal fluid opening pressure, and cognitive dysfunction. Linear regression test showed that BMI, cerebrospinal fluid opening pressure, and MoCA were the main predictors of both serum and expression levels of visfatin in obese women. The receiver operating characteristic curve analysis revealed that the power of serum visfatin levels was higher than visfatin expression in differentiating obese women from lean ones. Conclusion There was a strong independent association between both higher visfatin expression and serum levels and obesity indices, metabolic risks, IIH, and cognitive dysfunction in obese Egyptian women.


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