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  • Title: Establishment of a multiplex RT-PCR assay for the rapid detection of fish cytokines.
    Author: Kono T, Takayama H, Nagamine R, Korenaga H, Sakai M.
    Journal: Vet Immunol Immunopathol; 2013 Jan 15; 151(1-2):90-101. PubMed ID: 23237907.
    Abstract:
    To monitor the expression of cytokine genes in Japanese pufferfish, a novel platform for quantitative multiplexed analysis was developed. This custom-designed multiplex RT-PCR assay was used to analyze the expression profiles of 19 cytokine genes, including pro-inflammatory (IL-1β, IL-6, IL-17A/F3, IL-18, TNF-α, TNF-N), anti-inflammatory (IL-4/13A, IL-4/13B, IL-10), T-cell proliferation/differentiation (IL-2, IL-15, IL-21, TGF-β1), B-cell activation/differentiation (IL-7, IL-6, IL-4/13A, IL-4/13B), NK cell stimulation (IL-12p35 and IL-12p40), induction of anti-viral activity (I-IFN-1 and IFN-γ), and monocyte/macrophage progenitor cell proliferation (M-CSF1b) cytokines in head kidney cells under immune stimulatory conditions. The expression profiles were dissimilar in the unstimulated control and immune-stimulated cells. Moreover, increased expression profile was observed due to different stimulations for IL-1β, IL-6, IL-10, IL-12p35, IL-12p40, IL-21, TNF-α, TNF-N, I-IFN-1 and IFN-γ genes. These results suggest that cytokine genes could be used as biomarkers to know the immune status of fish. The constructed multiplex RT-PCR assay will enhance understanding on immune regulation by cytokines in fish.
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