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Chalenko YM, Slonova DA, Kechko OI, Kalinin EV, Mitkevich VA, Ermolaeva SA. Natural Isoforms of Listeria monocytogenes Virulence Factor Inlb Differ in c-Met Binding Efficiency and Differently Affect Uptake and Survival Listeria in Macrophage. Int J Mol Sci 2023; 24:ijms24087256. [PMID: 37108418 PMCID: PMC10139187 DOI: 10.3390/ijms24087256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Listeria monocytogenes virulence factor InlB specifically interacts with the receptors c-Met and gC1q-R. Both receptors are present in non-professional and professional phagocytes, including macrophages. Phylogenetically defined InlB isoforms differently support invasion into non-professional phagocytes. This work deals with the effects of InlB isoforms on L. monocytogenes uptake and intracellular proliferation in human macrophages. Three isoforms of the receptor binding domain (idInlB) were derived from phylogenetically distinct L. monocytogenes strains belonging to the highly virulent CC1 (idInlBCC1), medium-virulence CC7 (idInlBCC7), and low-virulence CC9 (idInlBCC9) clonal complexes. The constant dissociation increased in the order idInlBCC1 << idInlBCC7 < idInlBCC9 for interactions with c-Met, and idInlBCC1 ≈ idInlBCC7 < idInlBCC9 for interactions with gC1q-R. The comparison of uptake and intracellular proliferation of isogenic recombinant strains which expressed full-length InlBs revealed that the strain expressing idInlBCC1 proliferated in macrophages twice as efficiently as other strains. Macrophage pretreatment with idInlBCC1 followed by recombinant L. monocytogenes infection disturbed macrophage functions decreasing pathogen uptake and improving its intracellular multiplication. Similar pretreatment with idInlBCC7 decreased bacterial uptake but also impaired intracellular multiplication. The obtained results demonstrated that InlB impaired macrophage functions in an idInlB isoform-dependent manner. These data suggest a novel InlB function in L. monocytogenes virulence.
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Affiliation(s)
- Yaroslava M Chalenko
- Laboratory of Ecology of Pathogenic Bacteria, Gamaleya Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
| | - Daria A Slonova
- Laboratory of Metagenome Analysis, Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
| | - Olga I Kechko
- Laboratory of Conformational Polymorphism of Proteins in Health and Disease, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - Egor V Kalinin
- Laboratory of Ecology of Pathogenic Bacteria, Gamaleya Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
| | - Vladimir A Mitkevich
- Laboratory of Conformational Polymorphism of Proteins in Health and Disease, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - Svetlana A Ermolaeva
- Laboratory of Ecology of Pathogenic Bacteria, Gamaleya Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
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Vimal A, Kumar A, Kumar A. Inhibitory interaction and pharmacological analyses of berries phenolics against Listeria monocytogenes virulent protein internalin B. WORLD JOURNAL OF TRADITIONAL CHINESE MEDICINE 2023. [DOI: 10.4103/2311-8571.364413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Kalinin EV, Chalenko YM, Sysolyatina EV, Midiber KY, Gusarov AM, Kechko OI, Kulikova AA, Mikhaleva LM, Mukhachev AY, Stanishevskyi YM, Mitkevich VA, Sobyanin KA, Ermolaeva SA. Bacterial hepatocyte growth factor receptor agonist stimulates hepatocyte proliferation and accelerates liver regeneration in a partial hepatectomy rat model. Drug Dev Res 2021; 82:123-132. [PMID: 32830369 DOI: 10.1002/ddr.21737] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/20/2022]
Abstract
Hepatocyte growth factor (HGF) is central to liver regeneration. The Internalin B (InlB) protein is a virulence factor produced by the pathogenic bacterium Listeria monocytogenes. InlB is known to mimic HGF activity by interacting with the HGF receptor (HGFR) and activating HGFR-controlled signaling pathways. We expressed and purified the HGFR-binding InlB domain, InlB321/15, cloned from the fully virulent clinical L. monocytogenes strain. HGFR and Erk1/2 phosphorylation was determined using Western blotting. The capacity of InlB321/15 to bind HGFR was measured using microscale thermophoresis. Liver regeneration was studied in a model of 70% partial hepatectomy (70%PHx) in male Wistar rats. The nuclear grade parameters were quantified using manual (percentage of binuclear hepatocytes), automated (nuclear diameters), or combined (Ki67 proliferation index) scoring methods. Purified InlB321/15 stimulated HGFR and Erk1/2 phosphorylation and accelerated the proliferation of HepG2 cells. InlB321/15 bound HGFR with Kd = 7.4 ± 1.3 nM. InlB321/15 injected intravenously on the second, fourth, and sixth days after surgery recovered the liver mass and improved the nuclear grade parameters. Seven days post 70% PHx, the liver weight indexes were 2.9 and 2.0%, the hepatocyte proliferation indexes were 19.8 and 0.6%, and the percentages of binucleated hepatocytes were 6.7 and 4.0%, in the InlB321/15-treated and control animals, respectively. Obtained data demonstrated that InlB321/15 improved hepatocyte proliferation and stimulated liver regeneration in animals with 70% hepatectomy.
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Affiliation(s)
- Egor V Kalinin
- Gamaleya Research Center of Epidemiology and Microbiology, Moscow, Russia
- Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
| | - Yaroslava M Chalenko
- Gamaleya Research Center of Epidemiology and Microbiology, Moscow, Russia
- Federal Research Center for Virology and Microbiology (FRCVM), Russian Academy of Sciences, Moscow, Russia
| | | | | | - Alexey M Gusarov
- Gamaleya Research Center of Epidemiology and Microbiology, Moscow, Russia
| | - Olga I Kechko
- Engelhardt Institute of Molecular Biology, Moscow, Russia
| | | | | | | | | | | | | | - Svetlana A Ermolaeva
- Gamaleya Research Center of Epidemiology and Microbiology, Moscow, Russia
- Federal Research Center for Virology and Microbiology (FRCVM), Russian Academy of Sciences, Moscow, Russia
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Povolyaeva O, Chalenko Y, Kalinin E, Kolbasova O, Pivova E, Kolbasov D, Yurkov S, Ermolaeva S. Listeria monocytogenes Infection of Bat Pipistrellus nathusii Epithelial cells Depends on the Invasion Factors InlA and InlB. Pathogens 2020; 9:pathogens9110867. [PMID: 33105852 PMCID: PMC7690591 DOI: 10.3390/pathogens9110867] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/20/2022] Open
Abstract
L. monocytogenes is a widespread facultative intracellular pathogen. The range of natural hosts that supporting L. monocytogenes persistence in the environment has not been fully established yet. In this study, we were interested in the potential of L. monocytogenes to infect cells of bats, which are being increasingly recognized as a reservoir for microorganisms that are pathogenic to humans and domestic animals. A stable epithelial cell line was developed from the kidneys of Pipistrellus nathusii, a small bat widely distributed across Europe. The wild-type L. monocytogenes strain EGDe infected this cell line with an invasion efficiency of 0.0078 ± 0.0009%. Once it entered bat cells, L. monocytogenes doubled within about 70 min. When L. monocytogenes lacked either of the major invasion factors, InlA and InlB, invasion efficiency decreased by a factor of 10 and 25 respectively (p < 0.000001). The obtained results suggest that bat epithelial cells are susceptible to L. monocytogenes infection and that L. monocytogenes invasion of bat cells depends on the major invasion factors InlA and InlB. These results constitute the first report on in vitro studies of L. monocytogenes infection in bats.
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Affiliation(s)
- Olga Povolyaeva
- Federal Research Center for Virology and Microbiology (FRCVM), 601125 Volginsky, Russia; (O.P.); (O.K.); (E.P.); (D.K.); (S.Y.)
| | - Yaroslava Chalenko
- Federal Research Center for Virology and Microbiology (FRCVM), Nizhny Novgorod Research Veterinary Institute Branch, Laboratory of Molecular Microbiology, 603022 Nizhny Novgorod, Russia;
- Gamaleya Research Center of Epidemiology and Microbiology, Laboratory of Ecology of Pathogenic Bacteria, 123098 Moscow, Russia;
- Correspondence: ; Tel.: +7-92-5936-7317
| | - Egor Kalinin
- Gamaleya Research Center of Epidemiology and Microbiology, Laboratory of Ecology of Pathogenic Bacteria, 123098 Moscow, Russia;
| | - Olga Kolbasova
- Federal Research Center for Virology and Microbiology (FRCVM), 601125 Volginsky, Russia; (O.P.); (O.K.); (E.P.); (D.K.); (S.Y.)
| | - Elena Pivova
- Federal Research Center for Virology and Microbiology (FRCVM), 601125 Volginsky, Russia; (O.P.); (O.K.); (E.P.); (D.K.); (S.Y.)
| | - Denis Kolbasov
- Federal Research Center for Virology and Microbiology (FRCVM), 601125 Volginsky, Russia; (O.P.); (O.K.); (E.P.); (D.K.); (S.Y.)
| | - Sergey Yurkov
- Federal Research Center for Virology and Microbiology (FRCVM), 601125 Volginsky, Russia; (O.P.); (O.K.); (E.P.); (D.K.); (S.Y.)
| | - Svetlana Ermolaeva
- Federal Research Center for Virology and Microbiology (FRCVM), Nizhny Novgorod Research Veterinary Institute Branch, Laboratory of Molecular Microbiology, 603022 Nizhny Novgorod, Russia;
- Gamaleya Research Center of Epidemiology and Microbiology, Laboratory of Ecology of Pathogenic Bacteria, 123098 Moscow, Russia;
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Phylogenetically Defined Isoforms of Listeria monocytogenes Invasion Factor InlB Differently Activate Intracellular Signaling Pathways and Interact with the Receptor gC1q-R. Int J Mol Sci 2019; 20:ijms20174138. [PMID: 31450632 PMCID: PMC6747193 DOI: 10.3390/ijms20174138] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/10/2019] [Accepted: 08/15/2019] [Indexed: 01/19/2023] Open
Abstract
The pathogenic Gram-positive bacterium Listeria monocytogenes has been evolving into a few phylogenetic lineages. Phylogenetically defined substitutions were described in the L. monocytogenes virulence factor InlB, which mediates active invasion into mammalian cells via interactions with surface receptors c-Met and gC1q-R. InlB internalin domain (idInlB) is central to interactions with c-Met. Here we compared activity of purified recombinant idInlB isoforms characteristic for L. monocytogenes phylogenetic lineage I and II. Size exclusion chromatography and intrinsic fluorescence were used to characterize idInlBs. Western blotting was used to study activation of c-Met-dependent MAPK- and PI3K/Akt-pathways. Solid-phase microplate binding and competition assay was used to quantify interactions with gCq1-R. Isogenic recombinant L. monocytogenes strains were used to elucidate the input of idInlB isoforms in HEp-2 cell invasion. Physicochemical parameters of idInlB isoforms were similar but not identical. Kinetics of Erk1/2 and Akt phosphorylation in response to purified idInlBs was lineage specific. Lineage I but not lineage II idInlB specifically bound gC1q-R. Antibody against gC1q-R amino acids 221–249 inhibited invasion of L. monocytogenes carrying lineage I but not lineage II idInlB. Taken together, obtained results suggested that phylogenetically defined substitutions in idInlB provide functional distinctions and might be involved in phylogenetically determined differences in virulence potential.
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Chalenko Y, Sobyanin K, Sysolyatina E, Midiber K, Kalinin E, Lavrikova A, Mikhaleva L, Ermolaeva S. Hepatoprotective Activity of InlB321/15, the HGFR Ligand of Bacterial Origin, in CCI4-Induced Acute Liver Injury Mice. Biomedicines 2019; 7:biomedicines7020029. [PMID: 30979058 PMCID: PMC6631690 DOI: 10.3390/biomedicines7020029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 03/27/2019] [Accepted: 04/09/2019] [Indexed: 01/18/2023] Open
Abstract
HGF (hepatocyte growth factor)/HGFR (HGF receptor) signaling pathway is a key pathway in liver protection and regeneration after acute toxic damage. Listeria monocytogenes toxin InlB contains a HGFR-interacting domain and is a functional analog of HGF. The aim of this work was to evaluate the hepatoprotective activity of the InlB HGFR-interacting domain. The recombinant HGFR-interacting domain InlB321/15 was purified from E. coli. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) test was used to measure InlB321/15 mitogenic activity in HepG2 cells. Activation of MAPK- and PI3K/Akt-pathways was tracked with fluorescent microscopy, Western blotting, and ELISA. To evaluate hepatoprotective activity, InlB321/15 and recombinant human HGF (rhHGF) were intravenously injected at the same concentration of 2 ng·g−1 to BALB/c mice 2 h before liver injury with CCl4. InlB321/15 caused dose-dependent activation of MAPK- and PI3K/Akt-pathways and correspondent mitogenic effects. Both InlB321/15 and rhHGF improved macroscopic liver parameters (liver mass was 1.51, 1.27 and 1.15 g for the vehicle, InlB321/15 and rhHGF, respectively, p < 0.05), reduced necrosis (24.0%, 16.18% and 21.66% of the total area for the vehicle, InlB321/15 and rhHGF, respectively, p < 0.05). Obtained data suggest that InlB321/15 is a promising candidate for a tissue repair agent.
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Affiliation(s)
- Yaroslava Chalenko
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia.
| | - Konstantin Sobyanin
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia.
| | - Elena Sysolyatina
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia.
| | | | - Egor Kalinin
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia.
| | - Alexandra Lavrikova
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia.
| | | | - Svetlana Ermolaeva
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia.
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Topical treatment with the bacterium-derived c-Met agonist InlB321/15 accelerates healing in the abrasion wound mouse model. Arch Dermatol Res 2018; 310:849-856. [DOI: 10.1007/s00403-018-1870-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 09/20/2018] [Accepted: 10/01/2018] [Indexed: 11/25/2022]
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