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Title: Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System.

Authors: Morales-Mantilla, Daniel E; Huang, Xinyan; Erice, Philip; Porter, Paul; Zhang, Yun; Figueroa, Mary; Chandra, Joya; King, Katherine Y; Kheradmand, Farrah; Rodríguez, Antony

Published In J Vis Exp, (2020 10 22)

Abstract: Close to 14% of adults in the United States were reported to smoke cigarettes in 2018. The effects of cigarette smoke (CS) on lungs and cardiovascular diseases have been widely studied, however, the impact of CS in other tissues and organs such as blood and bone marrow remain incompletely defined. Finding the appropriate system to study the effects of CS in rodents can be prohibitively expensive and require the purchase of commercially available systems. Thus, we set out to build an affordable, reliable, and versatile system to study the pathologic effects of CS in mice. This whole-body inhalation exposure system (WBIS) set-up mimics the breathing and puffing of cigarettes by alternating exposure to CS and clean air. Here we show that this do-it-yourself (DIY) system induces airway inflammation and lung emphysema in mice after 4-months of cigarette smoke exposure. The effects of whole-body inhalation (WBI) of CS on hematopoietic stem and progenitor cells (HSPCs) in the bone marrow using this apparatus are also shown.

PubMed ID: 33165327 Exiting the NIEHS site

MeSH Terms: Animals; Disease Models, Animal*; Inhalation Exposure/adverse effects*; Inhalation Exposure/analysis; Mice; Pulmonary Emphysema/chemically induced; Smoke/adverse effects*; Tobacco Products/adverse effects*

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