Indirect Immunoperoxidase Test (IPT) for Detection of Antibodies Against African Swine Fever Virus (ASFV) on African Green Monkey Cell Lines (Vero, MS)
2022
Gallardo, Carmina | Nieto, Raquel | Arias, Marisa | Carmina, Gallardo [0000-0003-3293-306X] | Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
Edited by Christopher L. Netherton
Show more [+] Less [-]The immunoperoxidase technique (IPT) is an immunocytochemistry technique on fixed infected cells to determine the antibody-antigen complex formation through the action of the peroxidase enzyme. In this procedure, African green monkey established cell lines, such as Vero or MS, are infected with African swine fever virus (ASFV)-adapted isolates to these cell cultures. The infected cells are fixed and then used as antigens to determine the presence of the specific antibodies against ASFV in samples of swine origin. IPT has many advantages for the serological diagnosis of ASF. Firstly, IPT has a higher sensitivity than ELISA or immunoblot assay (IB) for the detection of antibodies against ASFV. Secondly, it has greater versatility to analyze any type of clinical sample of porcine origin and to conduct research studies on the epidemiological situation, through the presence of antibody titers in exudates from organs and tissues. Thirdly, the preparation of IPT plates with cells infected with ASFV is simple, although laborious, that can be stored for a long time and allow the analysis of a large number of samples.
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