Aim: To measure the serum levels of strong angiostatic and synaptogenetic molecules thrombospondin-1 (TSP-1) and thrombospondin-2 (TSP-2) in patients with temporal lobe epilepsy (TLE) before and after surgery.
Material And Methods: In this prospective study, 20 patients operated for TLE and 20 healthy subjects were included. Serum levels of TSP-1 and TSP-2 were measured using enzyme-linked immunosorbent assay (ELISA).
Results: Our findings showed that both groups had higher serum levels of both molecules "before" surgery than 10 days ?after?
Surgery: However, a significant difference was noted between ?before? and "after" surgery regarding TSP-1 (p=0.00001). Although a marked decrease was found "after" surgery with respect to TSP-2, the difference did not reach statistical significance (p=0.22). In patients with TLE, serum levels of both molecules ?before? surgery were found to be significantly higher than in healthy controls (TSP-1, p=0.00001; TSP-2, p=0.007).
Conclusion: Serum levels of TSP-1 and TSP-2 are determined to be higher in patients with TLE than in healthy subjects, and the resection of epileptogenic tissues decreases the serum levels of these molecules. Future studies should involve a higher number of patients with serial serum levels of TSP-1 and TSP-2 at the long-term follow-up to correlate with seizure outcome.
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