Abstract Title:

Hazardous effects of urban air particulate matter acute exposure on lung and extrapulmonary organs in mice.

Abstract Source:

Ecotoxicol Environ Saf. 2019 Dec 30 ;190:110120. Epub 2019 Dec 30. PMID: 31896475

Abstract Author(s):

Nadia S Orona, Francisco Astort, Guillermo A Maglione, Sebastian A Ferraro, Maximiliano Martin, Celina Morales, Patricia M Mandalunis, Fernando Brites, Deborah R Tasat

Article Affiliation:

Nadia S Orona


Air particulate matter (PM) can lead to extrapulmonary adverse reactions in organs such as liver and heart either by particle translocation from the lung to the systemic circulation or by the release of lung mediators. Young BALB/c mice were intranasal instilled with 1mg/BW of Urban Air Particles from Buenos Aires or Residual Oil Fly Ash. Histopathology, oxidative metabolism and inflammation on lungs and extrapulmonary organs and the systemic response were evaluated. Lung histophatological analysis supported the rise in the number of inflammatory cells in the bronchoalveolar lavage from PM-exposed animals. Also, both PM caused recruitment of inflammatory cells in the liver and heart parenchyma and IL-6 and transaminases augmentation in serum. We have shown that despite morphochemical differences, both urban air PM altered the lung and extrapulmonary organs. Therefore, exposure to urban air PM may distress body metabolism which, in turn could lead to the development and progression of multifactorial diseases.

Study Type : Animal Study

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