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Cross-Reactive Antibodies to the NS1 Protein of Omsk Hemorrhagic Fever Virus Are Absent in the Sera of Patients with Tick-Borne Encephalitis.
Kravchuk, Bogdana I; Khlusevich, Yana A; Chicherina, Galina S; Yakimenko, Valeriy V; Krasnova, Elena I; Tikunova, Nina N; Matveev, Andrey L.
Afiliação
  • Kravchuk BI; Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.
  • Khlusevich YA; Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.
  • Chicherina GS; Institute of Systematics and Ecology of Animals, Siberian Branch of Russian Academy of Sciences, 630091 Novosibirsk, Russia.
  • Yakimenko VV; Omsk Research Institute of Natural Foci Infections, 644080 Omsk, Russia.
  • Krasnova EI; Federal State Budgetary Educational Institution, Higher Education "Russian University of Medicine", The Ministry of Health of the Russian Federation, 630091 Novosibirsk, Russia.
  • Tikunova NN; Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.
  • Matveev AL; Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia.
Viruses ; 16(7)2024 Jun 27.
Article em En | MEDLINE | ID: mdl-39066195
ABSTRACT
Omsk hemorrhagic fever virus (OHFV) is a member of the tick-borne encephalitis virus (TBEV) complex of the Flaviviridae family. Currently, there are no data on the cross-reactivity of antibodies to the NS1 proteins of OHFV and TBEV. Such data are of major interest for monitoring viral encephalitis of unknown etiology due to the increasing geographical distribution of OHFV. In this study, a recombinant OHFV NS1 protein was produced using the Escherichia coli expression system and purified. The recombinant OHFV NS1 protein was recognized by specific mice immune ascetic fluids to the native OHFV NS1 protein. A Western blot analysis and ELISA of the recombinant NS1 proteins of OHFV and TBEV were used to study the cross-reactivity of antibodies from immune ascites fluid obtained from OHFV-infected mice and mAbs against TBEV NS1. Anti-TBEV NS1 mouse monoclonal antibodies (mAbs) have been shown to not be cross-reactive to the OHFV NS1 protein. Sera from patients with confirmed tick-borne encephalitis (TBE) were examined by ELISA using recombinant OHFV NS1 and TBEV NS1 proteins as antigens. It was shown for the first time that cross-reactive antibodies to the OHFV NS1 protein were not detected in the sera of TBE patients, whereas the sera contained antibodies to the TBEV NS1 protein.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Proteínas Recombinantes / Proteínas não Estruturais Virais / Reações Cruzadas / Encefalite Transmitida por Carrapatos / Vírus da Encefalite Transmitidos por Carrapatos / Anticorpos Antivirais Limite: Animals / Female / Humans Idioma: En Revista: Viruses Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Federação Russa País de publicação: Suíça
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Proteínas Recombinantes / Proteínas não Estruturais Virais / Reações Cruzadas / Encefalite Transmitida por Carrapatos / Vírus da Encefalite Transmitidos por Carrapatos / Anticorpos Antivirais Limite: Animals / Female / Humans Idioma: En Revista: Viruses Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Federação Russa País de publicação: Suíça