Non-Specific Porins of Yersinia pseudotuberculosis as Inductors of Experimental Hyperthyroidism in Mice
- Authors: Portnyagina O.Y.1, Golotin V.A.1, Zelepuga E.A.1, Khomenko V.A.1, Shevchenko L.S.1, Novikova O.D.1
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Affiliations:
- Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
- Issue: Vol 166, No 6 (2019)
- Pages: 751-753
- Section: Immunology and Microbiology
- URL: https://journals.rcsi.science/0007-4888/article/view/241338
- DOI: https://doi.org/10.1007/s10517-019-04433-z
- ID: 241338
Cite item
Abstract
In vivo experiments showed that antibodies to OmpC and OmpF porins of Yersinia pseudotuberculosis increased thyroxine (T4) level in the blood of experimental animals. The mice were immunized with different antigens: recombinant OmpF porin in a soluble monomeric form, trimers of OmpC and OmpF porins isolated from the outer membrane, or antibodies to them. The level of thyroxine in the blood of mice immunized with OmpF and OmpC porins increased by 5.47 and 22.3 times, respectively; after immunization with antibodies to these proteins, blood thyroxine increased by 9.28 and 14.29 times. Immunization with recombinant OmpF porin induced no reliable increase in thyroxine level. Hence, the serum to recombinant OmpF porin contains no antibodies specific to conformational antigenic determinants that are present in the protein trimer and, according to our previous findings from molecular docking studies, determine cross-reactions between OmpF porin of Y. pseudotuberculosis and thyroidstimulating hormone receptor.
About the authors
O. Yu. Portnyagina
Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
Author for correspondence.
Email: odd64@mail.ru
Russian Federation, Vladivostok
V. A. Golotin
Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
Email: odd64@mail.ru
Russian Federation, Vladivostok
E. A. Zelepuga
Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
Email: odd64@mail.ru
Russian Federation, Vladivostok
V. A. Khomenko
Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
Email: odd64@mail.ru
Russian Federation, Vladivostok
L. S. Shevchenko
Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
Email: odd64@mail.ru
Russian Federation, Vladivostok
O. D. Novikova
Laboratory of Molecular Mechanisms of Antibacterial Immunity, G. B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Division of the Russian Academy of Sciences
Email: odd64@mail.ru
Russian Federation, Vladivostok