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Foot and Mouth Disease (FMD) is an acute disease caused by Foot and Mouth Disease Virus (FMDV) which causes important economy losses, this is why it is necessary to obtain a vaccine that stimulates a rapid and long-lasting protective immune response. Cliptox is a mineral microparticle that in earlier studies has shown adjuvant activity against different(More)
Antigen presenting cells (APC) are among the most important cells of the immune system since they link the innate and the adaptative immune responses, directing the type of immune response to be elicited. To modulate the immune response in immune preventing or treating therapies, gene delivery into immunocompetent cells could be used. However, APC are very(More)
6-Ascorbate-PEG-1,2-distearoyl-sn-glycero-3-phosphoethanolamine (6-ascorbate-PEG-PE) was synthesized according to a two-step procedure: (1) activation of ascorbic acid with bromine, and (2) synthesis of 6-ascorbate-PEG-PE by reacting 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[amino (poly(ethylene glycol))-2000] with an excess of 6-Br-ascorbic acid.(More)
Foot and mouth disease is an acute disease of cattle with a broad distribution around the world. Due to the fast spread of FMDV infections, control measures must be applied immediately after an outbreak, such as the use of vaccines that induce fast protection. Previously, it was shown that mice vaccinated with FMD inactivated virus (iFMDV) formulated with(More)
Foot and Mouth Disease (FMD) is an acute disease of cloven-hoofed species. We studied the protection and early immune response induced in the murine model by vaccines formulated with inactivated virus and two different adjuvants. The presence of IMS12802PR or ISA206VG adjuvants yielded protection against viral challenge at early times post vaccination and(More)
It is well documented that adjuvants improve the immune response generated by traditional viral vaccines; however, less is known about their effects on the immune response elicited by DNA vaccines. In this study, we have investigated the use of adjuvants, and have analyzed the humoral and cellular specific immune responses elicited by DNA vaccines based on(More)
Dendritic cells (DC) are antigen-presenting cells uniquely capable of priming naïve T cells and cross-presenting antigens, and they determine the type of immune response elicited against an antigen. TAT peptide (TATp), is an amphipathic, arginine-rich, cationic peptide that promotes penetration and translocation of various molecules and nanoparticles into(More)
The presence and molecular characterization of Clostridium perfringens in healthy Merino lambs over a six-month period was investigated in this study. Overall, a high prevalence of C. perfringens was detected, even in day-old lambs. Even though the majority of the isolates were characterized as being of type A, types C and D were also isolated. Furthermore,(More)
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