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University of Nebraska Medical Center

Journal Articles: Internal Medicine

Airway inflammation

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Full-Text Articles in Medicine and Health Sciences

Myd88 Regulates A Prolonged Adaptation Response To Environmental Dust Exposure-Induced Lung Disease, Amber N. Johnson, Jack R. Harkema, Amy J. Nelson, John D. Dickinson, Julianna Kalil, Michael J. Duryee, Geoffrey M. Thiele, Balawant Kumar, Amar B. Singh, Rohit Gaurav, Sarah C. Glover, Ying Tang, Debra J. Romberger, Tammy Kielian, Jill A. Poole Jan 2020

Myd88 Regulates A Prolonged Adaptation Response To Environmental Dust Exposure-Induced Lung Disease, Amber N. Johnson, Jack R. Harkema, Amy J. Nelson, John D. Dickinson, Julianna Kalil, Michael J. Duryee, Geoffrey M. Thiele, Balawant Kumar, Amar B. Singh, Rohit Gaurav, Sarah C. Glover, Ying Tang, Debra J. Romberger, Tammy Kielian, Jill A. Poole

Journal Articles: Internal Medicine

BACKGROUND: Environmental organic dust exposures enriched in Toll-like receptor (TLR) agonists can reduce allergic asthma development but are associated with occupational asthma and chronic bronchitis. The TLR adaptor protein myeloid differentiation factor88 (MyD88) is fundamental in regulating acute inflammatory responses to organic dust extract (ODE), yet its role in repetitive exposures is unknown and could inform future strategies.

METHODS: Wild-type (WT) and MyD88 knockout (KO) mice were exposed intranasally to ODE or saline daily for 3 weeks (repetitive exposure). Repetitively exposed animals were also subsequently rested with no treatments for 4 weeks followed by single rechallenge with saline/ODE.

RESULTS: Repetitive …