期刊
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
卷 76, 期 -, 页码 303-309出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dci.2017.06.018
关键词
Neuropeptide Y; Immunomodulation; Phagocytosis; Cytokines; Salmo solar
资金
- FONDECYT [1141006, 1171357]
- FONDAP [15110027]
- Fondecyt Postdoctoral Grant [3170356, 3130449]
- Scholarship for international postdoc research from Becas Chile program
- DID-UACh from Universidad Austral de Chile
Neuropeptide Y (NPY) plays different roles in mammals such as: regulate food intake, memory retention, cardiovascular functions, and anxiety. It has also been shown in the modulation of chemotaxis, T lymphocyte differentiation, and leukocyte migration. In fish, NPY expression and functions have been studied but its immunomodulatory role remains undescribed. This study confirmed the expression and synthesis of NPY in S. solar under inflammation, and validated a commercial antibody for NPY detection in teleost Additionally, immunomodulatory effects of NPY were assayed in vitro and in vivo. Phagocytosis and superoxide anion production in leukocytes and SHK cells were induced under stimulation with a synthetic peptide. IL-8 mRNA was selectively and strongly induced in the spleen, head kidney, and isolated cells, after in vivo challenge with NPY. All together suggest that NPY is expressed in immune tissues and modulates the immune response in teleost fish. (C) 2017 Elsevier Ltd. All rights reserved.
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