Non-canonical Wnt signaling contributes to ventilator-induced lung injury through upregulation of WISP1 expression

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Abstract

Mechanical ventilation may cause ventilator-induced lung injury (VILI). Canonical Wnt signaling has been reported to serve an important role in the pathogenesis of VILI. Bioinformatics analysis revealed that canonical and non-canonical Wnt signaling pathways were activated in VILI. However, the role of non-canonical Wnt signaling in the pathogenesis of VILI remains unclear. The present study aimed to analyze the potential role of non-canonical Wnt signaling in VILI pathogenesis. Lung injury was assessed via Evans blue albumin permeability and histological scoring, as well as by inflammatory cytokine expression and total protein concentration in bronchoalveolar lavage fluid. The relative protein expression of canonical and non-canonical Wnt signaling pathway components were examined via western blotting and immunohistochemistry. The results demonstrated that 6 h of mechanical ventilation at low tidal volume (LTV; 6 ml/kg) or moderate tidal volume (MTV; 12 ml/kg) induced lung injury in sensitive A/J mice. Ventilation with MTV increased the protein levels of Wnt-induced secreted protein 1 (WISP1), Rho-associated protein kinase 1 (ROCK1), phosphorylated (p)-Ras homolog gene family, member A and p-C-Jun N-terminal kinase (JNK). Inhibition of ROCK1 by Y27632 and JNK by SP600125 attenuated MTV-induced lung injury and decreased the expression of proteins involved in non-canonical Wnt signaling, including WISP1. In conclusion, non-canonical Wnt signaling participates in VILI by modulating WISP1 expression, which has been previously noted as critical for VILI development. Therefore, the non-canonical Wnt signaling pathway may provide a preventive and therapeutic target in VILI.

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Effect of a protective-ventilation strategy on mortality in the acute respiratory distress syndrome.

M. B. P. Amato, C Barbas, D M Medeiros … (1998)

In patients with the acute respiratory distress syndrome, massive alveolar collapse and cyclic lung reopening and overdistention during mechanical ventilation may perpetuate alveolar injury. We determined whether a ventilatory strategy designed to minimize such lung injuries could reduce not only pulmonary complications but also mortality at 28 days in patients with the acute respiratory distress syndrome. We randomly assigned 53 patients with early acute respiratory distress syndrome (including 28 described previously), all of whom were receiving identical hemodynamic and general support, to conventional or protective mechanical ventilation. Conventional ventilation was based on the strategy of maintaining the lowest positive end-expiratory pressure (PEEP) for acceptable oxygenation, with a tidal volume of 12 ml per kilogram of body weight and normal arterial carbon dioxide levels (35 to 38 mm Hg). Protective ventilation involved end-expiratory pressures above the lower inflection point on the static pressure-volume curve, a tidal volume of less than 6 ml per kilogram, driving pressures of less than 20 cm of water above the PEEP value, permissive hypercapnia, and preferential use of pressure-limited ventilatory modes. After 28 days, 11 of 29 patients (38 percent) in the protective-ventilation group had died, as compared with 17 of 24 (71 percent) in the conventional-ventilation group (P<0.001). The rates of weaning from mechanical ventilation were 66 percent in the protective-ventilation group and 29 percent in the conventional-ventilation group (P=0.005): the rates of clinical barotrauma were 7 percent and 42 percent, respectively (P=0.02), despite the use of higher PEEP and mean airway pressures in the protective-ventilation group. The difference in survival to hospital discharge was not significant; 13 of 29 patients (45 percent) in the protective-ventilation group died in the hospital, as compared with 17 of 24 in the conventional-ventilation group (71 percent, P=0.37). As compared with conventional ventilation, the protective strategy was associated with improved survival at 28 days, a higher rate of weaning from mechanical ventilation, and a lower rate of barotrauma in patients with the acute respiratory distress syndrome. Protective ventilation was not associated with a higher rate of survival to hospital discharge.

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Joon-Il Jun, Lester Lau (2011)

Members of the CCN family of matricellular proteins are crucial for embryonic development and have important roles in inflammation, wound healing and injury repair in adulthood. Deregulation of CCN protein expression or activities contributes to the pathobiology of various diseases - many of which may arise when inflammation or tissue injury becomes chronic - including fibrosis, atherosclerosis, arthritis and cancer, as well as diabetic nephropathy and retinopathy. Emerging studies indicate that targeting CCN protein expression or signalling pathways holds promise in the development of diagnostics and therapeutics for such diseases. This Review summarizes the biology of CCN proteins, their roles in various pathologies and their potential as therapeutic targets.

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A new secreted protein that binds to Wnt proteins and inhibits their activities.

R Nusse, Philip Smallwood, Martha L. Rebbert … (1999)

The Wnt proteins constitute a large family of extracellular signalling molecules that are found throughout the animal kingdom and are important for a wide variety of normal and pathological developmental processes. Here we describe Wnt-inhibitory factor-1 (WIF-1), a secreted protein that binds to Wnt proteins and inhibits their activities. WIF-1 is present in fish, amphibia and mammals, and is expressed during Xenopus and zebrafish development in a complex pattern that includes paraxial presomitic mesoderm, notochord, branchial arches and neural crest derivatives. We use Xenopus embryos to show that WIF-1 overexpression affects somitogenesis (the generation of trunk mesoderm segments), in agreement with its normal expression in paraxial mesoderm. In vitro, WIF-1 binds to Drosophila Wingless and Xenopus Wnt8 produced by Drosophila S2 cells. Together with earlier results obtained with the secreted Frizzled-related proteins, our results indicate that Wnt proteins interact with structurally diverse extracellular inhibitors, presumably to fine-tune the spatial and temporal patterns of Wnt activity.

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Author and article information

Journal

Journal ID (nlm-ta): Int J Mol Med

Journal ID (iso-abbrev): Int. J. Mol. Med

Journal ID (publisher-id): IJMM

Title: International Journal of Molecular Medicine

Publisher: D.A. Spandidos

ISSN (Print): 1107-3756

ISSN (Electronic): 1791-244X

Publication date (Print): March 2019

Publication date (Electronic): 17 January 2019

Publication date PMC-release: 17 January 2019

Volume: 43

Issue: 3

Pages: 1217-1228

Affiliations

[1 ]Department of Anesthesiology, The Third Xiangya Hospital, Central South University

[2 ]Department of Anesthesiology, Hunan Cancer Hospital, Changsha, Hunan 410013, P. R. China

[3 ]Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA

[4 ]Department of Anesthesiology, Shanghai Children's Medical Center, Shanghai Jiao-Tong University School of Medicine, Shanghai 200127, P. R. China

[5 ]Department of Environmental and Occupational Health, University of Pittsburgh Graduate School Public Health, Pittsburgh, PA 15261

[6 ]Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA

Author notes

Correspondence to: Dr Li-Ming Zhang, Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, UPMC Montefiore N467, 200 Lothrop Street, Pittsburgh, PA 15213, USA, E-mail: zhangL1@ 123456anes.upmc.edu

Article

Publisher ID: ijmm-43-03-1217

DOI: 10.3892/ijmm.2019.4067

PMC ID: 6365043

PubMed ID: 30664165

SO-VID: 745c43f9-29e4-446e-aef9-115c4c952505

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This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

Non-canonical Wnt signaling contributes to ventilator-induced lung injury through upregulation of WISP1 expression

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Neuronal Signaling

Most cited references 40

Effect of a protective-ventilation strategy on mortality in the acute respiratory distress syndrome.

Taking aim at the extracellular matrix: CCN proteins as emerging therapeutic targets.

A new secreted protein that binds to Wnt proteins and inhibits their activities.

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