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Abstract Title:

Perinatal Administration of a Selective Serotonin Reuptake Inhibitor Induces Impairments in Reproductive Function and Follicular Dynamics in Female Rat Offspring.

Abstract Source:

Reprod Sci. 2015 Oct ;22(10):1297-311. Epub 2015 Mar 29. PMID: 25824009

Abstract Author(s):

C J Moore, N E DeLong, K A Chan, A C Holloway, J J Petrik, D M Sloboda

Article Affiliation:

C J Moore

Abstract:

INTRODUCTION: Up to 10% of pregnant women take antidepressants, of which selective serotonin reuptake inhibitors (SSRIs) are the most commonly prescribed. Using a rodent model, we investigated the reproductive impacts of perinatal SSRI treatment on reproductive cyclicity and function in female offspring.

METHODS: Virgin Wistar rats were given oral vehicle (n = 10) or fluoxetine hydrochloride (FLX, 10 mg/kg/d; n = 11) from 2 weeks prior to mating until weaning. Pubertal onset and reproductive cyclicity in offspring were assessed. Blood and ovarian tissues were collected for measures of reproductive function.

RESULTS: Perinatal FLX tends to induce irregular reproductive cycles in adult offspring, which most commonly manifest as a prolonged estrus phase (FLX 34% vs control [CON] 10%) relative to CON offspring. The FLX offspring tended to have longer cycles (P = .052), had more secondary follicles (P = .0067), more total follicles (P = .0310), and increased apoptotic ovarian cells (P<.001). Prenatally exposed FLX offspring demonstrated elevated ovarian messenger RNA (mRNA) levels of ERβ (P = .008), Cry1 (P = .043), and tryptophan hydroxylase 2 (P = .024), independent of stage of cycle. Ovarian mRNA levels of brain and muscle Arnt-like protein 1 (P = .046) and Pet-1 (P = .021) were increased in FLX offspring a manner that was reproductive cycle stage dependent.

CONCLUSIONS: This is the first study to investigate the postnatal effects of maternal perinatal exposure to FLX on adult offspring reproduction. We show that genes that regulate serotonin signaling and action in the ovary are altered in prenatally FLX-exposed offspring, which when coupled with increased expression of components of the core Circadian Locomotor Output Cycles Kaput (CLOCK) gene regulatory loop may suggest an interaction between serotonergic signaling and clock gene signaling pathways leading to the altered reproductive phenotype.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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