Neuroprotective and Antioxidant Effects of Riparin I in a Model of Depression Induced by Corticosterone in Female Mice

Neuropsychobiology. 2022;81(1):28-38. doi: 10.1159/000515929. Epub 2021 Apr 29.

Abstract

Background: Depression is a common, chronic, and often recurrent serious mood disorder. Conventional antidepressants present limitations that stimulate the search for new drugs. Antioxidant and neuroprotective substances are potential antidepressant agents. In this context, riparin I (RIP I) has presented promising results, emerging as a potential source of a new therapeutic drug. In this study, the antidepressant effect of RIP I was evaluated in an animal model of depression induced by corticosterone (CORT). The involvement of neuroprotective and antioxidant mechanisms in the generation of this effect was also assessed.

Methods: Female mice were submitted to CORT for 21 days and treated with RIP I in the last 7 days. Behavioral and neurochemical analyses were performed.

Results: The administration of RIP I reversed the depressive and psychotic-like behavior, as well as the cognitive impairment caused by CORT, in addition to regulating oxidative stress parameters and BDNF levels in depression-related brain areas.

Conclusion: These findings suggest that RIP I can be a strong candidate for drugs in the treatment of depression.

Keywords: Brain-derived neurotrophic factor; Cognition; Corticosterone; Depression; Oxidative stress.

MeSH terms

  • Animals
  • Antioxidants* / pharmacology
  • Behavior, Animal
  • Brain-Derived Neurotrophic Factor / metabolism
  • Corticosterone*
  • Depression / drug therapy
  • Disease Models, Animal
  • Female
  • Hippocampus / metabolism
  • Mice

Substances

  • Antioxidants
  • Brain-Derived Neurotrophic Factor
  • Corticosterone