Impact of rs1344706 or rs1006737 polymorphisms on cognition in patients with severe mental disorders: A systematic review and meta-analysis.

Objectives: This systematic review and meta-analysis focussed on insights into the relationship between -rs1006737 and -rs1344706 polymorphisms and cognitive performance in schizophrenia (SCZ) spectrum and bipolar disorder (BD) and provide some contributions for clinical practice.

Methods: We searched the websites databases (PubMED, PsycINFO, Web of Science, EMBASE and Cochrane Library) using eligibility and exclusion criteria to capture all potential studies, based on PICO model and according to the PRISMA.

Results: Eight articles were included in this systematic review (five referring to -rs1006737 and three related to -rs1344706 polymorphisms), with a total of 5759 participants (1751 SCZ patients, 348 BD patients, 3626 controls and 34 first-degree relatives).