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Modulation by Biogenic Amines for the Hemocyte Count and Prophenoloxidase Exocytosis via Receptors in Litopenaeus vannamei 被引量：1

Modulation by Biogenic Amines for the Hemocyte Count and Prophenoloxidase Exocytosis via Receptors in Litopenaeus vannamei
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摘要 Hemocyte counts and phenoloxidase(PO)activity were examined after hemolymph being incubated in dopamine(DA),noradrenaline(NE)and serotonin(5-HT).Results showed that all the three biogenic amines(BAs)had a significant impact on total hemocyte count(THC),differential hemocyte count(DHC),and intracelluar and extracelluar phenoloxidase(PO)activity.Among these Bas,DA had the strongest effect on the above parameters,whereas 5-HT had the least effect.Preincubation with D1 receptor antagonist SCH23390,D2 receptor antagonist Sulpiride and 1:1 admixture of the two could significantly inhibit the effect of DA on these parameters.SCH23390 showed a stronger inhibitory effect than Sulpiride,and the admixture exhibited the strongest effect.These results suggested that the change of hemocyte count and activation of prophenoloxidase(proPO)system in Litopenaeusvan-namei hemocyte can be regulated by BAs,and DA modulates the two parameters via its receptors. Hemocyte counts and phenoloxidase（PO）activity were examined after hemolymph being incubated in dopamine（DA）,noradrenaline（NE）and serotonin（5-HT）.Results showed that all the three biogenic amines（BAs）had a significant impact on total hemocyte count（THC）,differential hemocyte count（DHC）,and intracelluar and extracelluar phenoloxidase（PO）activity.Among these Bas,DA had the strongest effect on the above parameters,whereas 5-HT had the least effect.Preincubation with D1 receptor antagonist SCH23390,D2 receptor antagonist Sulpiride and 1：1 admixture of the two could significantly inhibit the effect of DA on these parameters.SCH23390 showed a stronger inhibitory effect than Sulpiride,and the admixture exhibited the strongest effect.These results suggested that the change of hemocyte count and activation of prophenoloxidase（proPO）system in Litopenaeusvan-namei hemocyte can be regulated by BAs,and DA modulates the two parameters via its receptors.
作者 PAN Luqing LIU Huijie YU Jinhong
机构地区 Department of Aquaculture
出处 《Journal of Ocean University of China》 SCIE CAS 2011年第4期425-432,共8页 中国海洋大学学报（英文版）
基金 supported by the Program for New Century Excellent Talents in University (No. NCET-06-0597) Ministry of Education 111 Project (No. B08049)
关键词 biogenic amine dopamine receptor HEMOCYTE Litopenaeus vannamei prophenoloxidase system biogenic amine dopamine receptor hemocyte Litopenaeus vannamei prophenoloxidase system
分类号 P [天文地球]
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参考文献47

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Journal of Ocean University of China
2011年 第4期

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