New Findings from Russian Academy of Sciences in the Area of Mental Health Described (Influence of Immune System Activation In Early Ontogenesis On Aggressiveness and Sexual Motivation In Adult Wistar Rats).

New research from the Russian Academy of Sciences explores the influence of immune system activation in early development on aggressiveness and sexual motivation in adult Wistar rats. The study found that early pro-inflammatory stress, induced by the introduction of bacterial lipopolysaccharide (LPS), can impact anxiety-depressive, defensive, and social behavior, as well as immune and hormonal reactivity in adult animals. The research specifically focused on the effects of neonatal LPS stress on aggressive behavior and sexual motivation. The results showed that male rats in the LPS group exhibited increased aggression and interaction time with females, indicating a change in the motivational and emotional component of social behavior. However, there were no changes in aggressive behavior in females. These findings contribute to the understanding of the underlying factors that contribute to neuropsychiatric diseases characterized by pathological aggressiveness and sexual behavior disorders. [Extracted from the article]