PUBLICATION

Transgenerational hypocortisolism and behavioral disruption are induced by the antidepressant fluoxetine in male zebrafish Danio rerio

Authors
Vera-Chang, M.N., St-Jacques, A.D., Gagné, R., Martyniuk, C.J., Yauk, C.L., Moon, T.W., Trudeau, V.L.
ID
ZDB-PUB-181212-12
Date
2018
Source
Proceedings of the National Academy of Sciences of the United States of America   115(52): E12435-E12442 (Journal)
Registered Authors
Trudeau, V.L.
Keywords
epigenetic, fluoxetine, stress, transgenerational, zebrafish
MeSH Terms
  • Animals
  • Antidepressive Agents/pharmacology
  • Behavior, Animal/drug effects
  • Depressive Disorder
  • Family Characteristics
  • Female
  • Fluoxetine/adverse effects*
  • Fluoxetine/pharmacology
  • Hydrocortisone/metabolism*
  • Male
  • Maternal Exposure/adverse effects
  • Maternal-Fetal Exchange/drug effects
  • Pregnancy
  • Selective Serotonin Reuptake Inhibitors/pharmacology
  • Stress, Psychological
  • Zebrafish/metabolism
  • Zebrafish/physiology
  • Zebrafish Proteins/metabolism
PubMed
30530669 Full text @ Proc. Natl. Acad. Sci. USA
CTD
30530669
Abstract
The global prevalence of depression is high during childbearing. Due to the associated risks to the mother and baby, the selective serotonin reuptake inhibitor fluoxetine (FLX) is often the first line of treatment. Given that FLX readily crosses the placenta, a fetus may be susceptible to the disruptive effects of FLX during this highly plastic stage of development. Here, we demonstrate that a 6-day FLX exposure to a fetus-relevant concentration at a critical developmental stage suppresses cortisol levels in the adult zebrafish (F0). This effect persists for three consecutive generations in the unexposed descendants (F1 to F3) without diminution and is more pronounced in males. We also show that the in vivo cortisol response of the interrenal (fish "adrenal") to an i.p. injection of adrenocorticotropic hormone was also reduced in the males from the F0 and F3 FLX lineages. Transcriptomic profiling of the whole kidney containing the interrenal cells revealed that early FLX exposure significantly modified numerous pathways closely associated with cortisol synthesis in the male adults from the F0 and F3 generations. We also show that the low cortisol levels are linked to significantly reduced exploratory behaviors in adult males from the F0 to F2 FLX lineages. This may be a cause for concern given the high prescription rates of FLX to pregnant women and the potential long-term negative impacts on humans exposed to these therapeutic drugs.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping