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Κυριακή 16 Ιουλίου 2017

Tumor-associated immune aggregates in oral cancer: their cellular composition and potential prognostic significance

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Publication date: Available online 16 July 2017
Source:Medical Hypotheses
Author(s): Maria Luiza Diniz de Sousa Lopes, Yi Liu, Kelly Yi-Ping Liu, Éricka Janine Dantas da Silveira, Catherine F. Poh
There is growing evidence supporting the importance of immune microenvironment in cancer development and progression, especially with the rapid development of immunotherapy. Presence of immune cell aggregates in solid tumors has been associated with clinical outcomes, but little is known about the immune microenvironment in oral squamous cell carcinoma (OSCC), which has high morbidity and mortality. Based on our preliminary observation, we hypothesize that there is the presence of tumor-associated immune aggregates (TaIAs) during oral cancer development. Adapting to the dynamic change of the composition of cellular membership and co-evolving with the tumor at invasion fronts, these TaIAs, either pro-inflammatory or immune suppressive, are associated with clinical consequences. With the unique access to a set of prospectively collected, highly annotated OSCC surgical samples and the use of multi-color immunostaining of key immune cells, the confirmation of our hypothesis may shed light of the underlying biology related to OSCC and the knowledge learned can potentially be used to identify prognostic markers, response predictive markers for immunotherapies, as well as novel therapeutic targets.



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