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II. Antidepressants and sexual behavior: Acute fluoxetine, but not ketamine, disrupts paced mating behavior in sexually experienced female rats.
Pharmacology Biochemistry and Behavior ( IF 3.6 ) Pub Date : 2020-09-12 , DOI: 10.1016/j.pbb.2020.173040
Grace E Marshall 1 , Fay A Guarraci 2 , Sarah H Meerts 1
Affiliation  

Female sexual dysfunction is both a symptom of depression and exacerbated by treatments for depression. Ketamine, a novel treatment for depression, has been shown to enhance, whereas fluoxetine has been shown to impair sexual motivation. Sexual experience leads to more robust partner preference and paced mating behavior in female rats. Whether acute ketamine and fluoxetine similarly affect sexual motivation and mating behavior in sexually experienced female rats is unknown. Sexually experienced female rats received 10 mg/kg i.p. of ketamine or saline vehicle (Experiment 1) or 10 mg/kg i.p. of fluoxetine or water vehicle (Experiment 2) 30 min before a 10-min no-contact partner preference test followed immediately by a 15-intromission paced mating test. Partner preference and paced mating behavior did not differ between ketamine- and saline-treated rats. In contrast, rats treated with fluoxetine spent significantly less time with either stimulus animal and were less active during the partner preference test than water-treated rats. Additionally, contact-return latency to ejaculation was significantly longer in fluoxetine-treated rats and they spent less time with the male during paced mating in comparison to water-treated rats. Thus, even with sexual experience, fluoxetine disrupts sexual function whereas ketamine has no detrimental effects on sexual behavior in female rats. A growing body of evidence suggests that ketamine is an encouraging new approach to treat depression particularly because it is not associated with sexual dysfunction.



中文翻译:

二。抗抑郁药和性行为:急性氟西汀而非氯胺酮会破坏有性经验的雌性大鼠的节律性交配行为。

女性性功能障碍既是抑郁症的症状,又因抑郁症的治疗而加剧。氯胺酮是一种新型的抑郁症治疗药物,已被证明可以增强性行为,而氟西汀可以削弱性欲。性经验导致雌性大鼠更强烈的伴侣偏好和节律的交配行为。尚不清楚急性氯胺酮和氟西汀是否会类似地影响具有性经验的雌性大鼠的性动机和交配行为。有性经历的雌性大鼠在进行10分钟的非接触伴侣偏好测试前30分钟接受了10 mg / kg ip的氯胺酮或生理盐水载体(实验1)或10 mg / kg ip的氟西汀或水载体(实验2)。进行15次渐进式交配测试。在氯胺酮和盐水处理的大鼠之间,伴侣的偏好和有规律的交配行为没有差异。相反,用氟西汀治疗的大鼠在任一种刺激动物上的时间明显少于在水刺激的大鼠中,并且在伴侣偏好测试中的活动性较低。此外,与水处理大鼠相比,氟西汀治疗的大鼠的射精返回-返回潜伏期明显更长,并且在有规律的交配期间与雄性在一起的时间更少。因此,即使有性经历,氟西汀也会破坏性功能,而氯胺酮对雌性大鼠的性行为没有有害影响。越来越多的证据表明,氯胺酮是治疗抑郁症的一种令人鼓舞的新方法,特别是因为它与性功能障碍无关。用氟西汀治疗的大鼠在任一种刺激动物上花费的时间均明显少于在水处理的大鼠中,并且在伴侣偏好测试中的活动性较水用大鼠低。此外,与水处理大鼠相比,氟西汀治疗的大鼠的射精返回-返回潜伏期明显更长,并且在有规律的交配期间与雄性在一起的时间更少。因此,即使有性经验,氟西汀也会破坏性功能,而氯胺酮对雌性大鼠的性行为没有有害影响。越来越多的证据表明,氯胺酮是治疗抑郁症的一种令人鼓舞的新方法,特别是因为它与性功能障碍无关。用氟西汀治疗的大鼠在任一种刺激动物上花费的时间均明显少于在水处理的大鼠中,并且在伴侣偏好测试中的活动性较水处理的大鼠低。此外,与水处理大鼠相比,氟西汀治疗的大鼠射精的返回-返回潜伏期明显更长,并且在有规律的交配期间与雄性在一起的时间更少。因此,即使有性经验,氟西汀也会破坏性功能,而氯胺酮对雌性大鼠的性行为没有有害影响。越来越多的证据表明,氯胺酮是治疗抑郁症的一种令人鼓舞的新方法,特别是因为它与性功能障碍无关。氟西汀治疗的大鼠与射精的接触-返回潜伏期明显更长,与水治疗的大鼠相比,他们在节律交配中与雄性在一起的时间更少。因此,即使有性经验,氟西汀也会破坏性功能,而氯胺酮对雌性大鼠的性行为没有有害影响。越来越多的证据表明,氯胺酮是治疗抑郁症的一种令人鼓舞的新方法,特别是因为它与性功能障碍无关。氟西汀治疗的大鼠与射精的接触-返回潜伏期明显更长,与水治疗的大鼠相比,他们在有规律的交配过程中与雄性在一起的时间更少。因此,即使有性经历,氟西汀也会破坏性功能,而氯胺酮对雌性大鼠的性行为没有有害影响。越来越多的证据表明,氯胺酮是治疗抑郁症的一种令人鼓舞的新方法,特别是因为它与性功能障碍无关。

更新日期:2020-11-04
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