打斗失败经历通过血清素通路对中华绒螯蟹焦虑样行为的影响

S917; 在中华绒螯蟹(Eriocheir sinensis)养殖过程中,普遍存在着打斗现象,为探究打斗失败经历带来的不良影响,观察了经历打斗失败后中华绒螯蟹的焦虑样行为和摄食行为,并检测了血清素(5-HT)水平和血清素7型受体(5-HT7R)基因相对表达水平的变化.随后观察外源性血清素、氟西汀、血清素7型受体激动剂和拮抗剂处理后对中华绒螯蟹焦虑样行为的影响.研究结果显示,经历过打斗失败的中华绒螯蟹会表现出焦虑样行为,并伴随着血浆血清素浓度的升高和胸神经节血清素7型受体基因相对表达水平的下调,且打斗失败后中华绒螯蟹摄食量减少.通过外源性血清素处理促进了中华绒螯蟹的焦虑样行为,而氟西汀处理则减...

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Published in上海海洋大学学报 Vol. 34; no. 1; pp. 135 - 145
Main Authors 张颖, 雷金沄, 成永旭, 杨筱珍
Format Journal Article
LanguageChinese
Published 上海海洋大学上海水产养殖工程技术研究中心,上海 201306 2025
上海海洋大学水产科学国家级实验教学示范中心,上海 201306
Subjects
5-HT7R
焦虑样行为
中华绒螯蟹
血清素7型受体
血清素
Eriocheir sinensis
anxiety-like behavior
5-HT
Online AccessGet full text
ISSN1674-5566
DOI10.12024/jsou.20240604573

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Abstract S917; 在中华绒螯蟹(Eriocheir sinensis)养殖过程中,普遍存在着打斗现象,为探究打斗失败经历带来的不良影响,观察了经历打斗失败后中华绒螯蟹的焦虑样行为和摄食行为,并检测了血清素(5-HT)水平和血清素7型受体(5-HT7R)基因相对表达水平的变化.随后观察外源性血清素、氟西汀、血清素7型受体激动剂和拮抗剂处理后对中华绒螯蟹焦虑样行为的影响.研究结果显示,经历过打斗失败的中华绒螯蟹会表现出焦虑样行为,并伴随着血浆血清素浓度的升高和胸神经节血清素7型受体基因相对表达水平的下调,且打斗失败后中华绒螯蟹摄食量减少.通过外源性血清素处理促进了中华绒螯蟹的焦虑样行为,而氟西汀处理则减轻了中华绒螯蟹的焦虑样行为.此外,血清素7型受体激动剂(AS19)处理促进了中华绒螯蟹的焦虑样行为,而拮抗剂(SB-269970)处理则减轻了中华绒螯蟹的焦虑样行为.以上结果说明,打斗失败经历会诱导中华绒螯蟹产生焦虑样行为和食欲减退,并且通过血清素途径影响焦虑样行为.本研究揭示了打斗失败经历带来的潜在负面影响,为促进中华绒螯蟹的健康养殖提供理论依据.
AbstractList S917; 在中华绒螯蟹(Eriocheir sinensis)养殖过程中,普遍存在着打斗现象,为探究打斗失败经历带来的不良影响,观察了经历打斗失败后中华绒螯蟹的焦虑样行为和摄食行为,并检测了血清素(5-HT)水平和血清素7型受体(5-HT7R)基因相对表达水平的变化.随后观察外源性血清素、氟西汀、血清素7型受体激动剂和拮抗剂处理后对中华绒螯蟹焦虑样行为的影响.研究结果显示,经历过打斗失败的中华绒螯蟹会表现出焦虑样行为,并伴随着血浆血清素浓度的升高和胸神经节血清素7型受体基因相对表达水平的下调,且打斗失败后中华绒螯蟹摄食量减少.通过外源性血清素处理促进了中华绒螯蟹的焦虑样行为,而氟西汀处理则减轻了中华绒螯蟹的焦虑样行为.此外,血清素7型受体激动剂(AS19)处理促进了中华绒螯蟹的焦虑样行为,而拮抗剂(SB-269970)处理则减轻了中华绒螯蟹的焦虑样行为.以上结果说明,打斗失败经历会诱导中华绒螯蟹产生焦虑样行为和食欲减退,并且通过血清素途径影响焦虑样行为.本研究揭示了打斗失败经历带来的潜在负面影响,为促进中华绒螯蟹的健康养殖提供理论依据.
Abstract_FL Agonistic behavior is a common phenomenon in the culture of Eriocheir sinensis.To explore the adverse effects of loser experience,anxiety-like behavior and feeding behavior of E.sinensis after loser experience were observed,and the levels of serotonin(5-HT)and 5-HT7R gene relative expression were detected.Then,the effects of exogenous 5-HT,fluoxetine,and 5-HT7R agonists and antagonists on the anxiety-like behavior of E.sinensis were observed.The results indicated that the E.sinensis that experienced the fight failure showed anxiety-like behavior,which was accompanied by the increase of plasma 5-HT concentration and the decrease of 5-HT7R gene relative expression level in the thoracic ganglion,and the food intake decreased after the loser experience.Exogenous 5-HT treatment promoted anxiety-like behavior,while fluoxetine treatment alleviated anxiety-like behavior.In addition,treatment with 5-HT7R agonist(AS19)promoted anxiety-like behavior,while treatment with 5-HT7R antagonist(SB-269970)alleviated anxiety-like behavior.These results indicate that the loser experience can lead to anxiety-like behavior and affect anxiety-like behavior through the serotonin pathway.This study revealed the potential negative effects of loser experience and provided theoretical basis for promoting healthy culture of E.sinensis.
Author 成永旭
雷金沄
张颖
杨筱珍
AuthorAffiliation 上海海洋大学上海水产养殖工程技术研究中心,上海 201306;上海海洋大学水产科学国家级实验教学示范中心,上海 201306
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Author_FL CHENG Yongxu
ZHANG Ying
LEI Jinyun
YANG Xiaozhen
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DocumentTitle_FL The effects of the loser experience induces anxiety-like behavior through the serotonin pathway on Chinese mitten crab(Eriocheir sinensis)
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Keywords 5-HT7R
焦虑样行为
中华绒螯蟹
血清素7型受体
血清素
Eriocheir sinensis
anxiety-like behavior
5-HT
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PublicationYear 2025
Publisher 上海海洋大学上海水产养殖工程技术研究中心,上海 201306
上海海洋大学水产科学国家级实验教学示范中心,上海 201306
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Snippet S917; 在中华绒螯蟹(Eriocheir sinensis)养殖过程中,普遍存在着打斗现象,为探究打斗失败经历带来的不良影响,观察了经历打斗失败后中华绒螯蟹的焦虑样行为和摄食行为,并检...
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StartPage 135
Title 打斗失败经历通过血清素通路对中华绒螯蟹焦虑样行为的影响
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