Analgesic exposure in pregnant rats affects fetal germ cell development with inter-generational reproductive consequences

Analgesics which affect prostaglandin (PG) pathways are used by most pregnant women. As germ cells (GC) undergo developmental and epigenetic changes in fetal life and are PG targets, we investigated if exposure of pregnant rats to analgesics (indomethacin or acetaminophen) affected GC development an...

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Veröffentlicht in:Scientific reports 2016-01, Vol.6 (1), p.19789, Article 19789
Hauptverfasser: Dean, Afshan, van den Driesche, Sander, Wang, Yili, McKinnell, Chris, Macpherson, Sheila, Eddie, Sharon L., Kinnell, Hazel, Hurtado-Gonzalez, Pablo, Chambers, Tom J., Stevenson, Kerrie, Wolfinger, Elke, Hrabalkova, Lenka, Calarrao, Ana, Bayne, Rosey AL, Hagen, Casper P., Mitchell, Rod T., Anderson, Richard A., Sharpe, Richard M.
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container_issue 1
container_start_page 19789
container_title Scientific reports
container_volume 6
creator Dean, Afshan
van den Driesche, Sander
Wang, Yili
McKinnell, Chris
Macpherson, Sheila
Eddie, Sharon L.
Kinnell, Hazel
Hurtado-Gonzalez, Pablo
Chambers, Tom J.
Stevenson, Kerrie
Wolfinger, Elke
Hrabalkova, Lenka
Calarrao, Ana
Bayne, Rosey AL
Hagen, Casper P.
Mitchell, Rod T.
Anderson, Richard A.
Sharpe, Richard M.
description Analgesics which affect prostaglandin (PG) pathways are used by most pregnant women. As germ cells (GC) undergo developmental and epigenetic changes in fetal life and are PG targets, we investigated if exposure of pregnant rats to analgesics (indomethacin or acetaminophen) affected GC development and reproductive function in resulting offspring (F1) or in the F2 generation. Exposure to either analgesic reduced F1 fetal GC number in both sexes and altered the tempo of fetal GC development sex-dependently, with delayed meiotic entry in oogonia but accelerated GC differentiation in males. These effects persisted in adult F1 females as reduced ovarian and litter size, whereas F1 males recovered normal GC numbers and fertility by adulthood. F2 offspring deriving from an analgesic-exposed F1 parent also exhibited sex-specific changes. F2 males exhibited normal reproductive development whereas F2 females had smaller ovaries and reduced follicle numbers during puberty/adulthood; as similar changes were found for F2 offspring of analgesic-exposed F1 fathers or mothers, we interpret this as potentially indicating an analgesic-induced change to GC in F1. Assuming our results are translatable to humans, they raise concerns that analgesic use in pregnancy could potentially affect fertility of resulting daughters and grand-daughters.
doi_str_mv 10.1038/srep19789
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F2 males exhibited normal reproductive development whereas F2 females had smaller ovaries and reduced follicle numbers during puberty/adulthood; as similar changes were found for F2 offspring of analgesic-exposed F1 fathers or mothers, we interpret this as potentially indicating an analgesic-induced change to GC in F1. 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As germ cells (GC) undergo developmental and epigenetic changes in fetal life and are PG targets, we investigated if exposure of pregnant rats to analgesics (indomethacin or acetaminophen) affected GC development and reproductive function in resulting offspring (F1) or in the F2 generation. Exposure to either analgesic reduced F1 fetal GC number in both sexes and altered the tempo of fetal GC development sex-dependently, with delayed meiotic entry in oogonia but accelerated GC differentiation in males. These effects persisted in adult F1 females as reduced ovarian and litter size, whereas F1 males recovered normal GC numbers and fertility by adulthood. F2 offspring deriving from an analgesic-exposed F1 parent also exhibited sex-specific changes. F2 males exhibited normal reproductive development whereas F2 females had smaller ovaries and reduced follicle numbers during puberty/adulthood; as similar changes were found for F2 offspring of analgesic-exposed F1 fathers or mothers, we interpret this as potentially indicating an analgesic-induced change to GC in F1. Assuming our results are translatable to humans, they raise concerns that analgesic use in pregnancy could potentially affect fertility of resulting daughters and grand-daughters.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>26813099</pmid><doi>10.1038/srep19789</doi><oa>free_for_read</oa></addata></record>
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subjects 631/136/2434/1706
631/443/494/2732/1577
Acetaminophen
Analgesics
Analgesics - pharmacology
Animals
Cell Differentiation
Female
Females
Fertility
Fetus
Fetuses
Germ cells
Germ Cells - cytology
Germ Cells - drug effects
Humanities and Social Sciences
Indomethacin
Male
Males
Maternal Exposure
Meiosis
multidisciplinary
Offspring
Oogonia
Ovaries
Phenotype
Pregnancy
Prenatal Exposure Delayed Effects
Prostaglandins - metabolism
Puberty
Rats
Reproduction - drug effects
Rodents
Science
title Analgesic exposure in pregnant rats affects fetal germ cell development with inter-generational reproductive consequences
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