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
期刊:
影响因子:
3.6
通讯作者:
Roghair, Robert D.
Roghair, Robert D.
中科院分区:
医学3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.

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舍曲林是一种选择性血清素再摄取抑制剂(SSRI),是治疗母亲抑郁症最常用的处方药物。流行病学研究表明,SSRI暴露与胎儿生长下降、自主调节改变和心脏畸形有关。我们假设SSRI暴露会减少左心室容量,增加成人交感神经系统的激活,导致成人心率增加。C57BL/6小鼠在出生后第1-14天给予生理盐水或舍曲林(5或15 mg/kg/d)。在5个月时评估成人表型。舍曲林暴露小鼠舒张期左心室内径减小(对照组4.0±0.1 mm, SSRI 3.7±0.1 mm, p<0.05),脑卒中体积减小(对照组46±2.6 μL, SSRI 37±2.3 μL, p<0.05),心率升高(对照组530±13次/分钟(bpm), SSRI 567±6次/分钟,p<0.05),尿去甲肾上腺素排泄量增加(对照组174±29.4 ng/mL, SSRI 276±35.1 ng/mL, p<0.05)。这些变化与大脑5-羟色胺转运体(5-HTT)表达增加有关。新生儿舍曲林暴露导致心脏形态和生理的长期变化。我们推测,早期暴露于SSRI会损害心肌细胞生长和中枢血清素信号,导致成年小鼠出现小左心综合征。
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.
胎儿发育过程中5-羟色胺转运蛋白功能的调节导致心脏病扩张和终身行为异常。
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