Oxytocin Pathway Gene Networks in the Human Brain

Overview

Journal Nat Commun

Specialty Biology

Date 2019 Feb 10

PMID 30737392

Citations 121

Authors

Daniel S Quintana

Jaroslav Rokicki

Dennis van der Meer

Dag Alnaes

Tobias Kaufmann

Aldo Cordova-Palomera

Ingrid Dieset

Ole A Andreassen

Lars T Westlye

Affiliations

Soon will be listed here.

Abstract

Oxytocin is a neuropeptide involved in animal and human reproductive and social behavior. Three oxytocin signaling genes have been frequently implicated in human social behavior: OXT (structural gene for oxytocin), OXTR (oxytocin receptor), and CD38 (oxytocin secretion). Here, we characterized the distribution of OXT, OXTR, and CD38 mRNA across the human brain by creating voxel-by-voxel volumetric expression maps, and identified putative gene pathway interactions by comparing gene expression patterns across 20,737 genes. Expression of the three selected oxytocin pathway genes was enriched in subcortical and olfactory regions and there was high co-expression with several dopaminergic and muscarinic acetylcholine genes, reflecting an anatomical basis for critical gene pathway interactions. fMRI meta-analysis revealed that the oxytocin pathway gene maps correspond with the processing of anticipatory, appetitive, and aversive cognitive states. The oxytocin signaling system may interact with dopaminergic and muscarinic acetylcholine signaling to modulate cognitive state processes involved in complex human behaviors.

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