Decreased circulating urokinase plasminogen activator receptor (uPAR) concentration in acute episodes of bipolar disorder; could it be a reflection of axonal injury?

Psychoneuroendocrinology
Pelin Unalan OzpercinNesrin Karamustafalioglu

Abstract

In recent years, the role of inflammation in the pathogenesis of Bipolar Disorder (BD) has been studied thoroughly. Urokinase-type plasminogen activator receptor (uPAR) is one of the molecules, whose concentration is of predictive value with regards to an ongoing inflammation and tissue regeneration, and it is hypothesized that it may also be altered in Bipolar Disorder. In this study, it is aimed to compare the levels of serum soluble uPAR during the manic, depressive and euthymic states of cases diagnosed with bipolar disorder, with healthy individuals. Forty-four BD patients at manic state (BD-m), 35 BD patients at depressive state (BD-d), 42 euthymic patients (BD-e) and 41 healthy controls (HC) who were similar with the diseased subjects regarding age and smoking status included in the study. Serum soluble uPAR levels of patients and healthy controls were measured. The main finding of our study is that serum soluble uPAR levels are lower in patients diagnosed with BD either in depressive (BD-d) or in manic state (BD-m) than in BD patients in euthymic state (BD-e) or in healthy controls (HC). There was no significant difference in serum soluble uPAR concentrations between BD-m and BD-d s or between BD-e and HC with regards t...Continue Reading

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