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The TNF-like weak inducer of the apoptosis/fibroblast growth factor-inducible molecule 14 axis mediates histamine and platelet-activating factor-induced subcutaneous vascular leakage and anaphylactic shock

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  • Nerea Mendez-Barbero
  • Alma Yuste-Montalvo
  • Emilio Nuñez-Borque
  • Bettina M Jensen
  • Carmen Gutiérrez-Muñoz
  • Jaime Tome-Amat
  • María Garrido-Arandia
  • Araceli Díaz-Perales
  • Contanza Ballesteros-Martinez
  • Jose Julio Laguna
  • J M Beitia
  • Lars K Poulsen
  • Javier Cuesta-Herranz
  • Luis Miguel Blanco-Colio
  • Vanesa Esteban
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BACKGROUND: Anaphylaxis includes mast cell (MC) activation, but less is known about downstream mechanisms (ie, vascular permeability controlled by endothelial cells [ECs]). The TNF-like weak inducer of apoptosis (TWEAK) and its sole receptor, fibroblast growth factor-inducible molecule 14 (Fn14), belong to the TNF superfamily and are involved in proinflammatory responses.

OBJECTIVE: We sought to investigate the role of TWEAK/Fn14 axis in anaphylaxis.

METHODS: In vivo vascular permeability and mouse models of passive systemic anaphylaxis (PSA) and active systemic anaphylaxis were applied to wild-type (WT), TWEAK- and Fn14-deficient mice (TWEAK-/- and Fn14-/-, respectively). Primary bone marrow-derived mast cells (BMMCs) and ECs from WT and Fn14-/- or TWEAK-/- mice were studied. The TWEAK/Fn14 axis was also investigated in human samples.

RESULTS: Mice with PSA and active systemic anaphylaxis had increased Fn14 and TWEAK expression in lung tissues and increased serum soluble TWEAK concentrations. TWEAK and Fn14 deficiencies prevent PSA-related symptoms, resulting in resistance to decreased body temperature, less severe reactions, and maintained physical activity. Numbers of MCs after PSA are similar between genotypes in different tissue regions, such as ear skin and the trachea, tongue, peritoneum, lungs, and bone marrow. Moreover, in vitro studies revealed no differences in degranulation or mediator release between WT and Fn14-/- BMMCs after IgE-FcεRI stimulation. In vivo and in vitro histamine and platelet-activating factor administration increases Fn14 receptor expression in lungs and ECs. Moreover, Fn14 deficiency in ECs maintained in vitro impermeability when stimulated by mediators or activated BMMCs but not by TWEAK-/- BMMCs, indicating that Fn14 is crucial for endothelial barrier function. TWEAK/Fn14 deletion or TWEAK-blocking antibody prevented histamine/platelet-activating factor-induced vascular subcutaneous permeability. Circulating soluble TWEAK levels were increased in patients with anaphylaxis, and plasma from those patients increased Fn14 expression in ECs.

CONCLUSION: The TWEAK/Fn14 axis participates in anaphylactic reactions. Inhibition of TWEAK/Fn14 interaction could be efficacious in anaphylaxis therapy.

Original languageEnglish
JournalThe Journal of allergy and clinical immunology
Volume145
Issue number2
Pages (from-to)583-596.e6
ISSN0091-6749
DOIs
Publication statusPublished - Feb 2020

    Research areas

  • Anaphylaxis/immunology, Animals, Capillary Permeability/physiology, Cytokine TWEAK/immunology, Endothelial Cells/metabolism, Histamine/immunology, Mice, Mice, Knockout, Platelet Activating Factor/immunology, TWEAK Receptor/immunology, endothelial cells, TNF-like weak inducer of apoptosis/fibroblast growth factor–inducible molecule 14 axis, mast cells, Anaphylaxis, vascular permeability

ID: 61785305