Maternal Environment Affects Cocaine Use in Mice Based on Their Genetics
Author Information
Author(s): van der Veen Rixt, Koehl Muriel, Abrous D. Nora, de Kloet E. Ronald, Piazza Pier-Vincenzo, Deroche-Gamonet Véronique
Primary Institution: Institut National de la Santé Et de la Recherche Médicale (INSERM), Bordeaux, France
Hypothesis
Does the impact of early life experiences on cocaine intake in adulthood depend on genetic background?
Conclusion
The study found that the maternal environment influences cocaine intake and depression-related behavior in mice, depending on their genetic background.
Supporting Evidence
- C57 mice showed similar cocaine intake regardless of maternal environment, indicating resistance to early life factors.
- DBA mice raised by an AKR mother had lower cocaine intake compared to those raised by a C3H mother.
- The study suggests that maternal behavior significantly influences the offspring's susceptibility to drug abuse.
Takeaway
Mice raised by different types of mothers showed different behaviors when it came to using cocaine, and this depended on their genes.
Methodology
The study manipulated the maternal environment of two mouse strains and tested their cocaine self-administration and behavior in anxiety and depression tests.
Limitations
The study was conducted on mice, which may not fully represent human behaviors and responses.
Participant Demographics
The study involved two inbred mouse strains, C57BL/6J and DBA/2J.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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