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Spring viremia of carp virus (SVCV) has caused mass mortality in cyprinids, with case fatality rates of young fish up to 90%, resulting in enormous economic losses in the aquaculture industry. Immersion vaccination is considered as the most effective method for juvenile fish to combating disease, due to its convenience for mass vaccination and stress-free administration. However, immune responses following immersion vaccination are generally less robust and of shorter duration as those induced through intraperitoneal injection. Herein, to enhance the efficient of immersion vaccine, functionalized single-walled carbon nanotubes (SWCNTs) as carrier were used to manufacture immersion DNA vaccine system (SWCNTs-pEGFP-M) with chemical modification. Results showed that SWCNTs-pEGFP-M could enter into fish body via immersion administration and express antigen proteins in fish kidney and spleen. Moreover, stronger and longer duration immune responses (including serum antibody production and immune genes expression) can be induced in fish vaccinated with SWCNTs-pEGFP-M in comparison with those vaccinated with pEGFP-M alone. Notably, SWCNTs can increase the immune protective effect of naked DNA vaccine by ca. 23.8%. Altogether, this study demonstrates that SWCNTs as a promising DNA vaccine carrier might be used to vaccinate large-scale juvenile fish by bath administration approach, which can provide an outlook for future vaccination strategies against SVCV.
This article was published in the following journal.
Spring viraemia of carp (SVC) in aquaculture is challenging because there are few preventative measures and/or treatments. The previous study demonstrated that an antiviral coumarin derivative, 7-(4-(...
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Common name for a number of different species of fish in the family Cyprinidae. This includes, among others, the common carp, crucian carp, grass carp, and silver carp.
The body's defense mechanism against foreign organisms or substances and deviant native cells. It includes the humoral immune response and the cell-mediated response and consists of a complex of interrelated cellular, molecular, and genetic components.
An internationally recognized set of published rules used for evaluation of cancer treatment that define when tumors found in cancer patients improve, worsen, or remain stable during treatment. These criteria are based specifically on the response of the tumor(s) to treatment, and not on the overall health status of the patient resulting from treatment.
Substances that augment, stimulate, activate, potentiate, or modulate the immune response at either the cellular or humoral level. The classical agents (Freund's adjuvant, BCG, Corynebacterium parvum, et al.) contain bacterial antigens. Some are endogenous (e.g., histamine, interferon, transfer factor, tuftsin, interleukin-1). Their mode of action is either non-specific, resulting in increased immune responsiveness to a wide variety of antigens, or antigen-specific, i.e., affecting a restricted type of immune response to a narrow group of antigens. The therapeutic efficacy of many biological response modifiers is related to their antigen-specific immunoadjuvanticity.
A heterogeneous, immature population of myeloid cells that can suppress the activity of T-CELLS and NATURAL KILLER CELLS in the INNATE IMMUNE RESPONSE and ADAPTIVE IMMUNE RESPONSE. They play important roles in ONCOGENESIS; INFLAMMATION; and INFECTION.
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...
A vaccine is any preparation intended to produce immunity to a disease by stimulating the production of antibodies. It creates immunity but does not cause the disease. There are several differnt types of vaccine avalable; Killed microorganisms; which s...
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