Association study identifying a new susceptibility gene (AUTS2) for schizophrenia

Area of Science:

• Genetics
• Psychiatry
• Neuroscience

Background:

• Schizophrenia (SCZ) is a severe mental disorder with unknown genetic factors.
• The AUTS2 gene is linked to autism, suicide, and substance dependence.

Purpose of the Study:

• To investigate the association between the AUTS2 gene and schizophrenia risk.
• To examine specific polymorphisms within the AUTS2 gene in relation to SCZ.

Main Methods:

• Genotyping of three AUTS2 polymorphisms (rs6943555, rs7459368, rs9886351) in 410 SCZ patients and 435 controls.
• Utilized polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and forced PCR-RFLP techniques.

Main Results:

• A significant association was found between the rs6943555 genotype and SCZ (OR=1.363, p=0.001).
• This association remained significant after adjusting for gender, particularly in females.
• The rs6943555 polymorphism is linked to female SCZ.

Conclusions:

• The AUTS2 gene, specifically the rs6943555 polymorphism, is associated with schizophrenia risk.
• This finding contributes to understanding the genetic underpinnings of schizophrenia, especially in females.
• Confirms previous research suggesting rs6943555's role in SCZ pathogenesis.