Article: Intracellular changes of a swine tracheal cell line infected with a Mycoplasma hyopneumoniae pathogenic strain
Elsevier Ltd Microbial pathogenesis. 2019 Dec., v. 137
2019
Abstract: Mycoplasma hyopneumoniae is the etiological agent of enzootic pneumonia (EP), a widespread disease that causes major economic losses to the pig industry. The swine host response plays an important role in the outcome of M. hyopneumoniae infections. The ... ...
Abstract | Mycoplasma hyopneumoniae is the etiological agent of enzootic pneumonia (EP), a widespread disease that causes major economic losses to the pig industry. The swine host response plays an important role in the outcome of M. hyopneumoniae infections. The whole proteome of newborn pig trachea (NPTr) epithelial cells infected with the M. hyopneumoniae pathogenic strain 7448 was analyzed using an LC-MS/MS approach to shed light on intracellular processes triggered in response to the pathogen. Overall, 853 swine protein species were identified, 156 of which were differentially represented in response to M. hyopneumoniae 7448 infection in comparison with non-infected control cells. These differentially represented proteins were categorized by function. Fifty-seven of them were assigned to the immune system and/or response to stimulus functional subcategories. Comparative expression analysis of these immune-related proteins in NPTr cells infected with attenuated or non-pathogenic mycoplasmas (M. hyopneumoniae J strain and M. flocculare, respectively) revealed proteins whose abundance was altered only in response to the pathogenic M. hyopneumoniae 7448 strain. Among these proteins, calcium homeostasis and endoplasmic reticulum stress-related biomarkers were detected, providing evidence of molecular mechanisms that might lead to swine cell apoptosis. |
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Keywords | apoptosis ; biomarkers ; calcium ; cell lines ; endoplasmic reticulum ; enzootic diseases ; epithelial cells ; financial economics ; homeostasis ; immune system ; industry ; liquid chromatography ; mass spectrometry ; Mycoplasma flocculare ; Mycoplasma hyopneumoniae ; neonates ; pathogens ; pneumonia ; proteins ; proteome ; swine ; virulent strains |
Language | English |
Dates of publication | 2019-12 |
Publishing place | Elsevier Ltd |
Document type | Article |
ZDB-ID | 632772-2 |
ISSN | 1096-1208 ; 0882-4010 |
ISSN (online) | 1096-1208 |
ISSN | 0882-4010 |
DOI | 10.1016/j.micpath.2019.103717 |
Database | NAL-Catalogue (AGRICOLA) |
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