Receptor for advanced glycation endproducts and World Trade Center particulate induced lung function loss

A case-cohort study and murine model of acute particulate exposure

Erin J. Caraher, Sophia Kwon, Syed H. Haider, George Crowley, Audrey Lee, Minah Ebrahim, Liqun Zhang, Lung Chi Chen, Terry Gordon, Mengling Liu, David J. Prezant, Ann Marie Schmidt, Anna Nolan

Research output: Contribution to journalArticle

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Abstract

World Trade Center-particulate matter(WTC-PM) exposure and metabolic-risk are associated with WTC-Lung Injury(WTC-LI). The receptor for advanced glycation end-products (RAGE) is most highly expressed in the lung, mediates metabolic risk, and single-nucleotide polymorphisms at the AGER-locus predict forced expiratory volume(FEV). Our objectives were to test the hypotheses that RAGE is a biomarker of WTC-LI in the FDNY-cohort and that loss of RAGE in a murine model would protect against acute PM-induced lung disease. We know from previous work that early intense exposure at the time of the WTC collapse was most predictive of WTC-LI therefore we utilized a murine model of intense acute PM-exposure to determine if loss of RAGE is protective and to identify signaling/cytokine intermediates. This study builds on a continuing effort to identify serum biomarkers that predict the development of WTC-LI. A case-cohort design was used to analyze a focused cohort of male never-smokers with normal pre-9/11 lung function. Odds of developing WTC-LI increased by 1.2, 1.8 and 1.0 in firefighters with soluble RAGE (sRAGE)≥97pg/mL, CRP≥2.4mg/L, and MMP-9≤397ng/mL, respectively, assessed in a multivariate logistic regression model (ROCAUC of 0.72). Wild type(WT) and RAGE-deficient(Ager-/-) mice were exposed to PM or PBS-control by oropharyngeal aspiration. Lung function, airway hyperreactivity, bronchoalveolar lavage, histology, transcription factors and plasma/BAL cytokines were quantified. WT-PM mice had decreased FEV and compliance, and increased airway resistance and methacholine reactivity after 24-hours. Decreased IFN-γ and increased LPA were observed in WT-PM mice; similar findings have been reported for firefighters who eventually develop WTC-LI. In the murine model, lack of RAGE was protective from loss of lung function and airway hyperreactivity and was associated with modulation of MAP kinases. We conclude that in a multivariate adjusted model increased sRAGE is associated with WTC-LI. In our murine model, absence of RAGE mitigated acute deleterious effects of PM and may be a biologically plausible mediator of PM-related lung disease.

Original languageEnglish (US)
Article numbere0184331
JournalPLoS One
Volume12
Issue number9
DOIs
StatePublished - Sep 1 2017

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lung function
international trade
cohort studies
Lung Injury
particulates
Cohort Studies
animal models
lungs
Lung
receptors
fire fighters
Firefighters
Pulmonary diseases
Forced Expiratory Volume
Biomarkers
respiratory tract diseases
Lung Diseases
biomarkers
mice
cytokines

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Receptor for advanced glycation endproducts and World Trade Center particulate induced lung function loss : A case-cohort study and murine model of acute particulate exposure. / Caraher, Erin J.; Kwon, Sophia; Haider, Syed H.; Crowley, George; Lee, Audrey; Ebrahim, Minah; Zhang, Liqun; Chen, Lung Chi; Gordon, Terry; Liu, Mengling; Prezant, David J.; Schmidt, Ann Marie; Nolan, Anna.

In: PLoS One, Vol. 12, No. 9, e0184331, 01.09.2017.

Research output: Contribution to journalArticle

Caraher, EJ, Kwon, S, Haider, SH, Crowley, G, Lee, A, Ebrahim, M, Zhang, L, Chen, LC, Gordon, T, Liu, M, Prezant, DJ, Schmidt, AM & Nolan, A 2017, 'Receptor for advanced glycation endproducts and World Trade Center particulate induced lung function loss: A case-cohort study and murine model of acute particulate exposure', PLoS One, vol. 12, no. 9, e0184331. https://doi.org/10.1371/journal.pone.0184331
Caraher, Erin J. ; Kwon, Sophia ; Haider, Syed H. ; Crowley, George ; Lee, Audrey ; Ebrahim, Minah ; Zhang, Liqun ; Chen, Lung Chi ; Gordon, Terry ; Liu, Mengling ; Prezant, David J. ; Schmidt, Ann Marie ; Nolan, Anna. / Receptor for advanced glycation endproducts and World Trade Center particulate induced lung function loss : A case-cohort study and murine model of acute particulate exposure. In: PLoS One. 2017 ; Vol. 12, No. 9.
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