Серова Оксана Викторовна

Научный сотрудник (Лаборатория клеточной биологии рецепторов)

Тел.: +7 (495) 335-41-77

Эл. почта: oxana.serova@gmail.com

Избранные публикации

  1. Zhigis L.S., Kotelnikova O.V., Vikhrov A.A., Zinchenko A.A., Serova O.V., Zueva V.S., Razgulyaeva O.A., Gordeeva E.A., Melikhova T.D., Nokel E.A., Alliluev A.P., Drozhzhina E.Y., Rumsh L.D. (2015). A new methodological approach to estimation of IgA1 and IgA2 content in human serum using recombinant IgA1 protease from Neisseria meningitidis. Biotechnol. Lett. 37 (11), 2289–93 [+]

    A new approach to estimation of IgA subclass levels and IgA1/IgA2 ratio using enzymatically active and inactive forms of Neisseria meningitidis IgA1 protease was developed.

  2. Deyev I.E., Sohet F., Vassilenko K.P., Serova O.V., Popova N.V., Zozulya S.A., Burova E.B., Houillier P., Rzhevsky D.I., Berchatova A.A., Murashev A.N., Chugunov A.O., Efremov R.G., Nikolsky N.N., Bertelli E., Eladari D., Petrenko A.G. (2011). Insulin receptor-related receptor as an extracellular alkali sensor. Cell Metab. 13 (6), 679–89 [+]

    The insulin receptor-related receptor (IRR), an orphan receptor tyrosine kinase of the insulin receptor family, can be activated by alkaline media both in vitro and in vivo at pH >7.9. The alkali-sensing property of IRR is conserved in frog, mouse, and human. IRR activation is specific, dose-dependent and quickly reversible and demonstrates positive cooperativity. It also triggers receptor conformational changes and elicits intracellular signaling. The pH sensitivity of IRR is primarily defined by its L1F extracellular domains. IRR is predominantly expressed in organs that come in contact with mildly alkaline media. In particular, IRR is expressed in the cell subsets of the kidney that secrete bicarbonate into urine. Disruption of IRR in mice impairs the renal response to alkali loading attested by development of metabolic alkalosis and decreased urinary bicarbonate excretion in response to this challenge. We therefore postulate that IRR is an alkali sensor that functions in the kidney to manage metabolic bicarbonate excess.

  3. Krasnoperov V., Deyev I.E., Serova O.V., Xu C., Lu Y., Buryanovsky L., Gabibov A.G., Neubert T.A., Petrenko A.G. (2009). Dissociation of the subunits of the calcium-independent receptor of alpha-latrotoxin as a result of two-step proteolysis. Biochemistry 48 (14), 3230–8 [+]

    CIRL (the calcium-independent receptor of alpha-latrotoxin), a neuronal cell surface receptor implicated in the regulation of exocytosis, is a member of the GPS family of chimeric cell adhesion/G protein-coupled receptors. The predominant form of CIRL is a membrane-bound complex of two subunits, p120 and p85. Extracellularly oriented p120 contains hydrophilic cell adhesion domains, whereas p85 is a heptahelical membrane protein. Both subunits are encoded by the same gene and represent products of intracellular proteolytic processing of the CIRL precursor. In this study, we demonstrate that a soluble form of CIRL also exists in vitro and in vivo. It results from the further cleavage of CIRL by a second protease. The site of the second cleavage is located in the short N-terminal extracellular tail of p85, between the GPS domain and the first transmembrane segment of CIRL. Thus, the soluble form of CIRL represents a complex of p120 noncovalently bound to a 15 amino acid residue N-terminal peptide fragment of p85. We have previously shown that mutations of CIRL in the GPS domain inhibit intracellular proteolytic processing and also result in the absence of the receptors from the cell surface. Our current data suggest that although CIRL trafficking to the cell membrane is impaired by mutations in the GPS region, it is not blocked completely. However, at the cell surface, the noncleaved mutants are preferentially targeted by the second protease that sheds the extracellular subunit. Therefore, the two-step proteolytic processing may represent a regulatory mechanism that controls cell surface expression of membrane-bound and soluble forms of CIRL.

  4. Serova O.V., Deyev I.E., Petrenko A.G. (2009). Novel GPS-containing G protein-coupled receptor from Monosiga brevicollis. Dokl. Biochem. Biophys. 427, 191–4 ID:432
  5. Serova O.V., Popova N.V., Deev I.E., Petrenko A.G. (2009). Identification of proteins in complexes with alpha-latrotoxin receptors. Bioorg. Khim. 34 (6), 747–53 [+]

    A thorough analysis of proteins capable of interacting with presynaptic receptors of alpha-latrotoxin was carried out. The protein components of receptor complexes were isolated from rat brain membranes by affinity chromatography on immobilized alpha-latrotoxin and antibodies to the cytoplasmic moiety of the calcium-independent receptor of alpha-latrotoxin (CIRL) followed by analysis by mass spectrometry. Several proteins were identified, with structural proteins, intracellular signal proteins, and proteins involved in the endocytosis and transport of synaptic vesicles being among them.