The ATP cassette transporter ABCB1 is regarded to be involved in schizophrenia.
We immunolocalized ABCB1 protein expression in twelve brain regions of patients with schizophrenia and control cases.
ABCB1 is located in multiple brain vessels and at habenular neurons known for purinergic neurotransmission.
Morphometric analysis revealed decreased expression of ABCB1 in habenular microvasculature and neurons in schizophrenia.