期刊
EXPERIMENTAL BIOLOGY AND MEDICINE
卷 239, 期 9, 页码 1135-1169出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1535370214536679
关键词
Engineered lung models; engineered organ models; 3D lung models; physiologic lung as a model; upper respiratory tract models; micro-physiologic lung
资金
- NIH Common Fund, NCATS [1-U18-TR-000560]
Respiratory tract specific cell populations, or tissue engineered invitro grown human lung, have the potential to be used as research tools to mimic physiology, toxicology, pathology, as well as infectious diseases responses of cells or tissues. Studies related to respiratory tract pathogenesis or drug toxicity testing in the past made use of basic systems where single cell populations were exposed to test agents followed by evaluations of simple cellular responses. Although these simple single-cell-type systems provided good basic information related to cellular responses, much more can be learned from cells grown in fabricated microenvironments which mimic invivo conditions in specialized microfabricated chambers or by human tissue engineered three-dimensional (3D) models which allow for more natural interactions between cells. Recent advances in microengineering technology, microfluidics, and tissue engineering have provided a new approach to the development of 2D and 3D cell culture models which enable production of more robust human invitro respiratory tract models. Complex models containing multiple cell phenotypes also provide a more reasonable approximation of what occurs invivo without the confounding elements in the dynamic invivo environment. The goal of engineering good 3D human models is the formation of physiologically functional respiratory tissue surrogates which can be used as pathogenesis models or in the case of 2D screening systems for drug therapy evaluation as well as human toxicity testing. We hope that this manuscript will serve as a guide for development of future respiratory tract model systems as well as a review of conventional models.
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