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| Content Provider | Springer Nature Link |
|---|---|
| Author | Moyes, David L. Murcia, Celia Runglall, Mahursingh Kohli, Arinder Islam, Ayesha Naglik, Julian R. |
| Copyright Year | 2011 |
| Abstract | Oral epithelial cells detect the human pathogenic fungus Candida albicans via NF-κB and a bi-phasic mitogen-activated protein kinase (MAPK) signaling response. However, discrimination between C. albicans yeast and hyphal forms is mediated only by the MAPK pathway, which constitutes activation of the MAPK phosphatase MKP1 and the c-Fos transcription factor and is targeted against the hyphal form. Given that C. albicans is not the only Candida species capable of filamentation or causing mucosal infections, we sought to determine whether this MAPK/MKP1/c-Fos mediated response mechanism was activated by other pathogenic Candida species, including C. dubliniensis, C. tropicalis, C. parapsilosis, C. glabrata and C. krusei. Although all Candida species activated the NF-κB signaling pathway, only C. albicans and C. dubliniensis were capable of inducing MKP1 and c-Fos activation, which directly correlated with hypha formation. However, only C. albicans strongly induced cytokine production (G-CSF, GM-CSF, IL-6 and IL-1α) and cell damage. Candida dubliniensis, C. tropicalis and C. parapsilosis were also capable of inducing IL-1α and this correlated with mild cell damage and was dependent upon fungal burdens. Our data demonstrate that activation of the MAPK/MKP1/c-Fos pathway in oral epithelial cells is specific to C. dubliniensis and C. albicans hyphae. |
| Starting Page | 93 |
| Ending Page | 101 |
| Page Count | 9 |
| File Format | |
| ISSN | 03008584 |
| Journal | Medical Microbiology and Immunology |
| Volume Number | 201 |
| Issue Number | 1 |
| e-ISSN | 14321831 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2011-06-25 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Candida albicans Candida dubliniensis Hypha formation MAPK MKP1 c-Fos NF-κB Oral epithelium Innate immunity Immunology Medical Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology Microbiology (medical) |
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