Sertraline exposure leads to small left heart syndrome in adult mice.
Sertraline exposure leads to small left heart syndrome in adult mice.
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DOI:
10.1038/pr.2012.183
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发表时间:
2013-03
影响因子:
3.6
通讯作者:
Roghair, Robert D.
中科院分区:
文献类型:
--
作者:
Haskell, Sarah E.;Hermann, Gregory M.;Reinking, Benjamin E.;Volk, Kenneth A.;Peotta, Veronica A.;Zhu, Vivian;Roghair, Robert D.
Sertraline, a selective serotonin reuptake inhibitor (SSRI), is the most commonly prescribed therapy for maternal depression. Epidemiologic studies have linked SSRI exposure with decreased fetal growth, altered autonomic regulation, and cardiac malformations. We hypothesized SSRI exposure decreases left ventricular volumes and increases adult sympathetic nervous system activation, resulting in increased adult heart rates. C57BL/6 mice received saline or sertraline (5 or 15 mg/kg/day i.p.) on postnatal days 1–14. Adult phenotypes were assessed at 5 months. Sertraline-exposed mice had smaller left ventricular internal diameters in diastole (control 4.0 ± 0.1 mm, SSRI 3.7 ± 0.1 mm, p < 0.05), decreased stroke volumes (control 46 ± 2.6 μL, SSRI 37 ± 2.3 μL, p < 0.05), higher heart rates (control 530 ± 13 beats per minute (bpm), SSRI 567 ± 6 bpm, p <0.05) and increased urinary excretion of noradrenaline (control 174 ± 29.4 ng/mL, SSRI 276 ± 35.1 ng/mL, p<0.05). These changes were associated with increased cerebral serotonin transporter (5-HTT) expression. Neonatal sertraline exposure causes long term changes in cardiac morphology and physiology. We speculate that early life SSRI exposure impairs cardiomyocyte growth and central serotonin signaling, leading to a small left heart syndrome in adult mice.
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