Article (Scientific journals)
Developmental fluoxetine exposure normalizes the long-term effects of maternal stress on post-operative pain in Sprague-Dawley rat offspring.
Knaepen, Liesbeth; Rayen, Ine; Charlier, Thierry et al.
2013In PLoS ONE, 8 (2), p. 57608
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Keywords :
Age Factors; Animals; Animals, Newborn; Antidepressive Agents/pharmacology; Depression/drug therapy/metabolism; Female; Fluoxetine/pharmacology; Hypothalamo-Hypophyseal System/drug effects/growth & development/metabolism; Nociception/drug effects; Pain Measurement; Pain, Postoperative/metabolism/prevention & control; Pituitary-Adrenal System/drug effects/growth & development/metabolism; Pregnancy; Rats; Rats, Sprague-Dawley; Serotonin Uptake Inhibitors/pharmacology; Stress, Physiological/drug effects; Time; Transcortin/metabolism
Abstract :
[en] Early life events can significantly alter the development of the nociceptive circuit. In fact, clinical work has shown that maternal adversity, in the form of depression, and concomitant selective serotonin reuptake inhibitor (SSRI) treatment influence nociception in infants. The combined effects of maternal adversity and SSRI exposure on offspring nociception may be due to their effects on the developing hypothalamic-pituitary-adrenal (HPA) system. Therefore, the present study investigated long-term effects of maternal adversity and/or SSRI medication use on nociception of adult Sprague-Dawley rat offspring, taking into account involvement of the HPA system. Dams were subject to stress during gestation and were treated with fluoxetine (2x/5 mg/kg/day) prior to parturition and throughout lactation. Four groups of adult male offspring were used: 1. Control+Vehicle, 2. Control+Fluoxetine, 3. Prenatal Stress+Vehicle, 4. Prenatal Stress+Fluoxetine. Results show that post-operative pain, measured as hypersensitivity to mechanical stimuli after hind paw incision, was decreased in adult offspring subject to prenatal stress alone and increased in offspring developmentally exposed to fluoxetine alone. Moreover, post-operative pain was normalized in prenatally stressed offspring exposed to fluoxetine. This was paralleled by a decrease in corticosteroid binding globulin (CBG) levels in prenatally stressed offspring and a normalization of serum CBG levels in prenatally stressed offspring developmentally exposed to fluoxetine. Thus, developmental fluoxetine exposure normalizes the long-term effects of maternal adversity on post-operative pain in offspring and these effects may be due, in part, to the involvement of the HPA system.
Research center :
CIRM - Centre Interdisciplinaire de Recherche sur le Médicament - ULiège
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Knaepen, Liesbeth
Rayen, Ine
Charlier, Thierry 
Fillet, Marianne  ;  Université de Liège > Département de pharmacie > Analyse des médicaments
Houbart, Virginie ;  Université de Liège > Département de pharmacie > Analyse des médicaments
van Kleef, Maarten
Steinbusch, Harry W.
Patijn, Jacob
Tibboel, Dick
Joosten, Elbert A.
Pawluski, Jodi 
Language :
English
Title :
Developmental fluoxetine exposure normalizes the long-term effects of maternal stress on post-operative pain in Sprague-Dawley rat offspring.
Publication date :
2013
Journal title :
PLoS ONE
eISSN :
1932-6203
Publisher :
Public Library of Science, United States - California
Volume :
8
Issue :
2
Pages :
e57608
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 September 2017

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