Abstract:
:Considerable sex differences occur in the incidence and prevalence of anxiety disorders where women are more anxious than men, particularly in situations where social interaction is required. In preclinical studies, the social interaction test represents a valid animal model to study sex differences in social anxiety. Indeed, female rats engage less in conspecific interactions than their male counterparts, which are behaviors indicative of higher social anxiety in female rats. In this work, we implicated extracellular signal-regulated kinase 2 (ERK2) in the medial prefrontal cortex (mPFC) in mediating social interaction. Indeed, female rats' had lower ERK2 expression compared to male rats, and overexpression of ERK2 in the mPFC increases their social interaction to the level seen in their male counterparts. These data indicate that the sexually dimorphic expression of ERK2 mediates social anxiety-like behaviors.
journal_name
Neurosciencejournal_title
Neuroscienceauthors
Carrier N,Kabbaj Mdoi
10.1016/j.neuroscience.2012.03.041subject
Has Abstractpub_date
2012-06-14 00:00:00pages
86-92eissn
0306-4522issn
1873-7544pii
S0306-4522(12)00308-9journal_volume
212pub_type
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