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Characterization of primary murine a...

Kebaabetswe, Lemme P.

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Characterization of primary murine alveolar epithelial cells and their responses to respiratory viral infections.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Characterization of primary murine alveolar epithelial cells and their responses to respiratory viral infections./
作者:	Kebaabetswe, Lemme P.
面頁冊數:	158 p.
附註:	Source: Dissertation Abstracts International, Volume: 75-09(E), Section: B.
Contained By:	Dissertation Abstracts International75-09B(E).
標題:	Microbiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3623190
ISBN:	9781303955150

Characterization of primary murine alveolar epithelial cells and their responses to respiratory viral infections.
Kebaabetswe, Lemme P.

Characterization of primary murine alveolar epithelial cells and their responses to respiratory viral infections. - 158 p.

Source: Dissertation Abstracts International, Volume: 75-09(E), Section: B.

Thesis (Ph.D.)--University of Idaho, 2014.

This item is not available from ProQuest Dissertations & Theses.

Alveolar epithelial cells are important targets of respiratory viral infections that cause severe diseases in the lung. The alveolar epithelium, which covers more than 99% of the large internal surface area of the lung, is composed of two morphologically distinct cell types. The alveolar type I (ATI) cells are large thin cells that function in gas exchange. The alveolar type II (ATII) cells are cuboidal and produce surfactant that is required to prevent collapse of the air spaces. ATII cells divide and trans-differentiate into ATI cells to repair damaged epithelium. Both ATI and ATII cells are infected by viruses and contribute to cytokine production during infection. The goal of this dissertation was to establish an in vitro model of murine ATI and ATII cells and determine their susceptibility and responses to infection by respiratory viruses used in murine models: influenza A virus strain PR8 and murine coronavirus, MHV-1. Isolated ATII cells were cultured to maintain an ATII phenotype as determined by expression of LBP180 or trans-differentiate into an ATI-like cell phenotype determined by expression of T1alpha. Primary cultures of either phenotype supported replication of PR8 and MHV-1. Further, both viruses induced cytokine expression by ATI cells. Expression of several cytokines and chemokines were induced by both viruses, while MHV-1 infection resulted in expression of an additional set of cytokines that were not expressed by PR8-infected cells. To help better understand the dynamics of PR8 and cellular proteins interactions, proteomics analysis using liquid chromatography-tandem mass spectrometry was examined on ATII cells. Protein profiles in PR8 infected and uninfected ATII cells were compared. Influenza disrupted various functional classes of proteins that may allow productive infection of ATII cells, altering their homeostatic functions. These data will help identify cellular proteins whose functions in the virus life cycle could be targeted for antiviral strategies. Moreover, differentiated cultures of murine alveolar epithelial cells will be critical for identifying mechanisms of viral damage to the alveolar epithelium during respiratory infections, by providing an in vitro model to perform mechanistic studies that can be correlated with in vivo studies in well-established murine models.

ISBN: 9781303955150Subjects--Topical Terms:

536250
Microbiology.

Characterization of primary murine alveolar epithelial cells and their responses to respiratory viral infections.
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