کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2433623 | 1106842 | 2007 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Dopamine depresses immunity in the tiger shrimp Penaeus monodon
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم آبزیان
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The total haemocyte count (THC), differential haemocyte count (DHC), phenoloxidase activity, respiratory bursts (release of superoxide anion), superoxide dismutase activity, phagocytic activity and clearance efficiency to the pathogen Photobacterium damsela were measured when tiger shrimp Penaeus monodon (13.5 ± 1.5 g) were individually injected with saline or dopamine at 10â8, 10â7, or 10â6 mol shrimpâ1. Results showed that a transient period of immunosuppression occurred between 2 and 8 h after injection of dopamine for all immune parameters except circulating haemocytes, and all immune parameters had returned to control values within 8-16 h after receiving dopamine. The injection of dopamine also significantly increased the mortality of P. monodon challenged with the pathogen Pho. damsela. These results suggest that stress-inducing dopamine suppresses the immune system, which in turn promotes the susceptibility of P. monodon to Pho. damsela.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fish & Shellfish Immunology - Volume 23, Issue 1, July 2007, Pages 24-33
Journal: Fish & Shellfish Immunology - Volume 23, Issue 1, July 2007, Pages 24-33
نویسندگان
Chin-Chyuan Chang, Zhi-Rong Wu, Ching-Ming Kuo, Winton Cheng,