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Effects of non-peptide nociceptin/orphanin FQ receptor ligands on methylphenidate-induced hyperactivity in mice: Implications for bipolar disorders
Neuropeptides ( IF 2.9 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.npep.2020.102059
Laila Asth 1 , Pamella R F Tiago 1 , Layse R F Costa 1 , Victor A D Holanda 1 , Salvatore Pacifico 2 , Nurulain T Zaveri 3 , Girolamo Calo' 4 , Chiara Ruzza 5 , Elaine C Gavioli 1
Affiliation  

Bipolar disorder is a psychiatric pathology characterized by biphasic mood episodes of mania or hypomania and depression. The pharmacotherapy of bipolar disorder has significant adverse effects impairing treatment adherence and patient quality of life. The N/OFQ-NOP receptor system has been widely implicated with mood disorders. Clinical and preclinical findings suggest antidepressants actions for NOP antagonists. More recently, the administration of NOP agonists has shown to promote depressant states. The present study aimed to investigate the effects of non-peptide NOP ligands in methylphenidate-induced manic-like behavior in mice. The NOP agonist Ro 65-6570 (0.01-1 mg/kg, ip), at the higher dose, did not affect spontaneous locomotion per se, but prevented the methylphenidate (10 mg/kg, sc)-induced hyperlocomotion. The NOP partial agonist AT-090 (0.001-0.03 mg/kg, ip) and the NOP antagonist SB-612111 (1-10 mg/kg, ip) did not significantly affect the psychostimulant-induced hyperactivity. Experiments performed with mice lacking the NOP receptor (NOP(-/-)) demonstrated that the treatment with methylphenidate induced similar hyperlocomotion in NOP(-/-) and NOP(+/+) mice. In conclusion, these findings suggest a potential role for NOP agonists in the prevention of manic states, especially by counteracting the hyperactivity symptom of bipolar patients. However, more studies are necessary in order to evaluate these compounds in other features of bipolar disorder.

中文翻译:

非肽伤害感受素/孤啡肽 FQ 受体配体对哌醋甲酯诱导的小鼠多动症的影响:对双相情感障碍的影响

双相情感障碍是一种精神病理学,其特征是躁狂或轻躁狂和抑郁的双相情绪发作。双相情感障碍的药物治疗具有显着的副作用,会影响治疗依从性和患者的生活质量。N/OFQ-NOP 受体系统广泛地与情绪障碍有关。临床和临床前研究结果表明 NOP 拮抗剂具有抗抑郁作用。最近,NOP 激动剂的施用已显示促进抑郁状态。本研究旨在研究非肽 NOP 配体对哌甲酯诱导的小鼠躁狂样行为的影响。较高剂量的 NOP 激动剂 Ro 65-6570 (0.01-1 mg/kg, ip) 本身不影响自发运动,但阻止哌甲酯 (10 mg/kg, sc) 诱导的过度运动。NOP 部分激动剂 AT-090 (0.001-0.03 mg/kg, ip) 和 NOP 拮抗剂 SB-612111 (1-10 mg/kg, ip) 没有显着影响精神兴奋剂引起的多动症。对缺乏 NOP 受体 (NOP(-/-)) 的小鼠进行的实验表明,用哌甲酯治疗在 NOP(-/-) 和 NOP(+/+) 小鼠中诱导了类似的运动过度。总之,这些发现表明 NOP 激动剂在预防躁狂状态方面具有潜在作用,尤其是通过抵消双相患者的多动症状。然而,需要更多的研究来评估这些化合物在双相情感障碍的其他特征中的作用。对缺乏 NOP 受体 (NOP(-/-)) 的小鼠进行的实验表明,用哌甲酯治疗在 NOP(-/-) 和 NOP(+/+) 小鼠中诱导了类似的运动过度。总之,这些发现表明 NOP 激动剂在预防躁狂状态方面具有潜在作用,尤其是通过抵消双相患者的多动症状。然而,需要更多的研究来评估这些化合物在双相情感障碍的其他特征中的作用。对缺乏 NOP 受体 (NOP(-/-)) 的小鼠进行的实验表明,用哌甲酯治疗在 NOP(-/-) 和 NOP(+/+) 小鼠中诱导了类似的运动过度。总之,这些发现表明 NOP 激动剂在预防躁狂状态方面具有潜在作用,尤其是通过抵消双相患者的多动症状。然而,需要更多的研究来评估这些化合物在双相情感障碍的其他特征中的作用。
更新日期:2020-08-01
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