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Published on: April 6, 2017
Inhaled aerosol particle dosimetry in mice: a review
Loyda B Méndez1, Glenn Gookin, Robert F Phalen
1Department of Microbiology and Molecular Genetics, School of Biological Sciences, University of California, Irvine, CA 92697-4028, USA. mendezl@uci.edu
Inhalation Toxicology
|December 15, 2010
Summary
Mouse models are crucial for toxicology, but inhalation dose delivery is poorly understood. Factors like respiratory anatomy and lung physiology vary significantly between mouse strains, impacting study outcomes.
Area of Science:
- Toxicology and Pharmacology
- Animal Models in Research
- Respiratory Physiology
Background:
- Mice are widely used animal models in toxicology due to genetic and molecular tools.
- Inhalation studies are vital for modeling human diseases, but factors influencing dose delivery to mouse lungs are not well understood.
- Understanding these factors is critical for accurate interpretation of toxicology study results.
Purpose of the Study:
- To review current knowledge on factors affecting dose delivery to mouse lungs during inhalation studies.
- To highlight the implications of respiratory tract anatomy, lung physiology, and clearance characteristics on inhalation toxicology.
- To underscore the importance of mouse strain and sex differences in respiratory parameters.
Main Methods:
- Literature review of scientific publications.
- Searches conducted using NCBI PubMed and ISI Web of Knowledge databases.
- Focus on factors influencing dose delivery in murine inhalation studies.
Main Results:
- Significant variations in respiratory physiology exist across different mouse strains and sexes.
- Limited available data on murine respiratory tract anatomy reveals substantial differences between mouse strains.
- These anatomical and physiological differences directly impact dose delivery and subsequent biological outcomes in inhalation studies.
Conclusions:
- Variability in mouse respiratory anatomy and physiology influences dose delivery in inhalation studies.
- Differences between mouse strains and sexes must be considered for accurate toxicology research.
- Further research into murine respiratory parameters is needed to refine inhalation study designs and interpretations.

