سطح فاکتور رشد عصب محیطی در اختلالات عمده روانپزشکی
|کد مقاله||سال انتشار||تعداد صفحات مقاله انگلیسی||ترجمه فارسی|
|153985||2017||7 صفحه PDF||سفارش دهید|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Journal of Psychiatric Research, Volume 86, March 2017, Pages 39-45
Nerve growth factor (NGF) plays crucial roles in promoting neural growth and survival, and mediating synaptic and morphological plasticity. Several studies investigated the correlation between peripheral NGF levels and major psychiatric disorders, including schizophrenia (SCZ), major depressive disorder (MDD) and bipolar disorder (BPD); however, the findings were inconsistent. This meta-analysis sought to investigate blood NGF levels in patients with psychiatric disorders compared with healthy subjects and examined potential effects of blood fraction, medication and disease status. A total of 21 eligible studies, encompassing 1342 patients suffering from psychiatric disorders and 1225 healthy subjects, were enrolled in the present meta-analysis. No obvious publication bias was observed either for SCZ, MDD or BPD by the Begg's test (PÂ >Â 0.05). Random-effects meta-analysis showed that SCZ (ZÂ =Â 2.14, PÂ =Â 0.033, SMDÂ =Â â1.08, 95% CIÂ =Â â2.07 toÂ â0.09) and MDD (ZÂ =Â 2.57, PÂ =Â 0.010, SMDÂ =Â â0.61, 95% CIÂ =Â â1.08 toÂ â0.14) patients had significantly reduced NGF levels, compared with healthy controls. Notably, this decrease was enhanced in un-medicated patients of SCZ (PÂ =Â 0.004) and medicated or chronic patients of MDD (PÂ <Â 0.001). No significant difference of NGF levels was observed between BPD patients and controls (PÂ >Â 0.05). These results supported an association between the reduction of NGF levels and psychiatric disorders. It remains unclear whether the change of NGF levels is a prerequisite for its function in psychiatric disorders development or merely an epiphenomenon unrelated to the pathophysiologic mechanisms.