This Event is licensed under the Creative Commons BY-SA license. This license allows reusers to distribute, remix, adapt, and build upon the material in any medium or format, so long as attribution is given to the creator. The license allows for commercial use. If you remix, adapt, or build upon the material, you must license the modified material under identical terms.
Event: 1457
Key Event Title
Induction, Epithelial Mesenchymal Transition
Short name
Biological Context
Level of Biological Organization |
---|
Cellular |
Cell term
Organ term
Key Event Components
Key Event Overview
AOPs Including This Key Event
AOP Name | Role of event in AOP | Point of Contact | Author Status | OECD Status |
---|---|---|---|---|
Latent TGFbeta1 activation leads to pulmonary fibrosis | KeyEvent | Cataia Ives (send email) | Under development: Not open for comment. Do not cite | |
PPARγ inactivation leading to lung fibrosis | KeyEvent | Brendan Ferreri-Hanberry (send email) | Under development: Not open for comment. Do not cite | Under Development |
α-diketone-induced bronchiolitis obliterans | KeyEvent | Agnes Aggy (send email) | Under development: Not open for comment. Do not cite | |
TLR4 activation, PPAR gamma activation and Pulmonary fibrosis | KeyEvent | Arthur Author (send email) | Under development: Not open for comment. Do not cite | |
AHR activation leading to lung fibrosis via TGF-β dependent fibrosis tox path | KeyEvent | Allie Always (send email) | Under development: Not open for comment. Do not cite | |
AHR activation leading to lung fibrosis via IL-6 tox path | KeyEvent | Evgeniia Kazymova (send email) | Under development: Not open for comment. Do not cite | |
DNA damage and metastatic breast cancer | KeyEvent | Agnes Aggy (send email) | Under development: Not open for comment. Do not cite | Under Development |
Taxonomic Applicability
Life Stages
Sex Applicability
Key Event Description
Inflammatory reactions result in the release of various cytokines which in turn can stimulate the transition of epithelial cells to a mesenchymal phenotype acquiring function characteristics of fibroblasts and myofibroblasts.
How It Is Measured or Detected
Loss of E-cadherin and cell polarity is considered to be a fundamental event in epithelial-mesenchymal transition. The simultaneous expression of epithelial (e.g. E-cadherin) and mesenchymal markers (e.g. N-cadherin and vimentin) within the airway epithelium are indicative for ongoing transition (Borthwick et al. 2009, 2010).
Domain of Applicability
References
Borthwick, L. A., Parker, S. M., Brougham, K. A., Johnson, G. E., Gorowiec, M. R., Ward, C., … Fisher, A. J. (2009). Epithelial to mesenchymal transition (EMT) and airway remodelling after human lung transplantation. Thorax, 64(9), 770–777. https://doi.org/10.1136/thx.2008.104133
Borthwick, L. A., McIlroy, E. I., Gorowiec, M. R., Brodlie, M., Johnson, G. E., Ward, C., … Fisher, A. J. (2010). Inflammation and epithelial to mesenchymal transition in lung transplant recipients: Role in dysregulated epithelial wound repair. American Journal of Transplantation, 10(3), 498–509. https://doi.org/10.1111/j.1600-6143.2009.02953.x