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NAPE-PLD调节了特定的基线情感行为,但对于炎症性过敏症来说是不可或缺的

Irene Chen¹, Laura B Murdaugh^1,2, Cristina Miliano¹

¹School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.

Neurobiology of pain (Cambridge, Mass.)

|December 15, 2023

概括

在小鼠中,N-acylphosphatidylethanolamine phospholipase D (NAPE-PLD) 缺乏会影响诸如糖偏好和性取决于性别的反应等行为. NAPE-PLD的失活可能会影响炎症,但不会影响关节炎的疼痛,这表明对进一步研究的耐受性很好.

科学领域:

神经科学是一个神经科学.
生物化学生物化学
药理学药理学是指药理学的学科.

背景情况:

N-乙醇胺 (NAE) 是关键的脂质介质,涉及到 nociception 和情感行为.
脂肪酸胺酸酶 (FAAH) 是NAE代谢的关键,但NAE生物合成作用的理解较少.
N-酸乙醇胺酸酶D (NAPE-PLD) 是大脑NAE生物合成中的一个主要酶.

研究的目的:

通过NAPE-PLD研究NAE生物合成在行为反应中的作用.
评估NAPE-PLD缺乏对 nociception,情感行为和炎症疼痛的影响.

主要方法:

使用了Nape-pld淘汰赛 (KO) 鼠和野生类型 (WT) 的 littermates.
评估了基线行为,包括糖偏好,焦虑类和抑郁类行为.
评估了热性 nociception,完整的 Freund 的辅助剂 (CFA) 诱导的炎症性关节炎,脚的胀,握力,和触觉的全体质.

主要成果:

带的KO小鼠显示糖糖偏好和消费减少.
在WT小鼠中观察到热性感觉和基线测量的性别依赖的反应,但不是KO小鼠.
在CFA模型中,Nape-pld删除影响了性别依赖的脚胀,但没有改变关节炎疼痛的行为.

结论:

NAPE-PLD在奖励和性取决于生理反应等特定行为中发挥作用.
虽然NAPE-PLD可能会影响局部炎症,但它似乎不会导致炎症性关节炎的疼痛.
慢性NAPE-PLD无活化可能耐受良好,支持其对其他疾病的药理评估.

关键词:

关节炎是一种关节炎.抑郁症抑郁症抑郁症内分泌大麻素是什么?内分泌大麻素是什么?内分泌大麻素是什么过敏症是一种过敏症.脂质脂质脂质是一种性差异性差异性差异性差异性差异性差异性差

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