Modulation of the E-cadherin in human cells infected in vitro with Coxiella burnetii

High concentration of soluble E-cadherin (E-cad) was previously found in sera from Q fever patients. Here, BeWo cells which express a high concentration of E-cad were used as an in vitro model to investigate the expression and function of E-cad in response to infection by Coxiella burnetii, the etio...

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Veröffentlicht in:PloS one 2023-06, Vol.18 (6), p.e0285577
Hauptverfasser: Omar Osman, Ikram, Mezouar, Soraya, Brahim-Belhaouari, Djamal, Mege, Jean-Louis, Devaux, Christian Albert
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Mezouar, Soraya
Brahim-Belhaouari, Djamal
Mege, Jean-Louis
Devaux, Christian Albert
description High concentration of soluble E-cadherin (E-cad) was previously found in sera from Q fever patients. Here, BeWo cells which express a high concentration of E-cad were used as an in vitro model to investigate the expression and function of E-cad in response to infection by Coxiella burnetii, the etiological agent of Q fever. Infection of BeWo cells with C. burnetii leads to a decrease in the number of BeWo cells expressing E-cad at their membrane. A shedding of soluble E-cad was associated with the post-infection decrease of membrane-bound E-cad. The modulation of E-cad expression requires bacterial viability and was not found with heat-inactivated C. burnetii. Moreover, the intracytoplasmic cell concentration of β-catenin (β-cat), a ligand of E-cad, was reduced after bacterial infection, suggesting that the bacterium induces modulation of the E-cad/β-cat signaling pathway and CDH1 and CTNNB1 genes transcription. Finally, several genes operating the canonical Wnt-Frizzled/β-cat pathway were overexpressed in cells infected with C. burnetii. This was particularly evident with the highly virulent strain of C. burnetii, Guiana. Our data demonstrate that infection of BeWo cells by live C. burnetii modulates the E-cad/β-cat signaling pathway.
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Here, BeWo cells which express a high concentration of E-cad were used as an in vitro model to investigate the expression and function of E-cad in response to infection by Coxiella burnetii, the etiological agent of Q fever. Infection of BeWo cells with C. burnetii leads to a decrease in the number of BeWo cells expressing E-cad at their membrane. A shedding of soluble E-cad was associated with the post-infection decrease of membrane-bound E-cad. The modulation of E-cad expression requires bacterial viability and was not found with heat-inactivated C. burnetii. Moreover, the intracytoplasmic cell concentration of β-catenin (β-cat), a ligand of E-cad, was reduced after bacterial infection, suggesting that the bacterium induces modulation of the E-cad/β-cat signaling pathway and CDH1 and CTNNB1 genes transcription. Finally, several genes operating the canonical Wnt-Frizzled/β-cat pathway were overexpressed in cells infected with C. burnetii. This was particularly evident with the highly virulent strain of C. burnetii, Guiana. 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subjects Bacteria
Bacterial diseases
Bacteriology
Biology and Life Sciences
Blood & organ donations
Cadherins - genetics
Cadherins - metabolism
Cardiology and cardiovascular system
Care and treatment
Cell division
Coxiella burnetii
Cytokines
Diagnosis
E-cadherin
Effectiveness
Emerging diseases
Endocarditis
Fever
Frizzled protein
Genes
Human health and pathology
Humans
Infections
Infectious diseases
Leukemia
Life Sciences
Lymphoma
Medicine and Health Sciences
Membranes
Microbiology and Parasitology
Modulation
Parasitology
Q fever
Q Fever - microbiology
Research and Analysis Methods
Rickettsia
Risk factors
Signal transduction
Signaling
Software
Virology
Virulence
Wnt protein
Zoonoses
β-Catenin
title Modulation of the E-cadherin in human cells infected in vitro with Coxiella burnetii
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