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  • Title: Serum S100B in manic bipolar disorder patients: Systematic review and meta-analysis.
    Author: da Rosa MI, Simon C, Grande AJ, Barichello T, Oses JP, Quevedo J.
    Journal: J Affect Disord; 2016 Dec; 206():210-215. PubMed ID: 27475892.
    Abstract:
    BACKGROUND: Bipolar disorder (BD) is a neuropsychiatric disorder characterized by recurrent episodes of mania/hypomania, affecting more than 1% of the world population. S100B is a calcium-binding protein, mostly produced and secreted by astrocytes in the CNS that participate in several cellular responses. Previous studies have shown that patients with bipolar disorder had higher peripheral S100B levels than healthy individuals, suggesting a potential role for S100B BD. METHODS: In this study, a systematic and quantitative meta-analysis of studies S100B serum was performed according to the guidelines PRISMA-statement to confirm the increase of serum S100B in patients with manic bipolar disorder. RESULTS: We included in the meta-analysis two studies that reported the mean and standard deviation of serum S100B 52 patients manic BP and 52 control studies. Our results showed higher levels of S100B peripheral TB patients compared with healthy controls. In this meta-analysis, we found evidence that serum S100B are increased in patients with bipolar disorder. CONCLUSION: In conclusion, several studies have observed morphological abnormalities in the brains of bipolar disorder patients, changes in the peripheral S100B levels in mood disorders were described, and this protein could be a putative marker for damage to the brain. Thus, in this meta-analysis we have found evidence, based on two studies of 52 patients and 52 healthy controls, that the serum concentrations of S100B are increased in bipolar disorder patients.
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