Composition and clinical impact of the immunologic tumor microenvironment in oral squamous cell carcinoma
Immunotherapy shows promising results and revolutionizes treatment of oral squamous cell carcinoma (OSCC). The immunologic microenvironment might have prognostic/predictive implications. Morphologic immunologic parameters (inflammatory infiltrate, stromal content, and budding activity [BA] [potentia...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2019
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| In: |
The journal of immunology
Year: 2018, Jahrgang: 202, Heft: 1, Pages: 278-291 |
| ISSN: | 1550-6606 |
| DOI: | 10.4049/jimmunol.1800242 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.4049/jimmunol.1800242 Verlag, Volltext: https://www.jimmunol.org/content/202/1/278 
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| Verfasserangaben: | Melanie Boxberg, Lena Leising, Katja Steiger, Moritz Jesinghaus, Aezlat Alkhamas, Marion Mielke, Nicole Pfarr, Carolin Götz, Klaus Dietrich Wolff, Wilko Weichert and Andreas Kolk |
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| 245 | 1 | 0 | |a Composition and clinical impact of the immunologic tumor microenvironment in oral squamous cell carcinoma |c Melanie Boxberg, Lena Leising, Katja Steiger, Moritz Jesinghaus, Aezlat Alkhamas, Marion Mielke, Nicole Pfarr, Carolin Götz, Klaus Dietrich Wolff, Wilko Weichert and Andreas Kolk |
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| 520 | |a Immunotherapy shows promising results and revolutionizes treatment of oral squamous cell carcinoma (OSCC). The immunologic microenvironment might have prognostic/predictive implications. Morphologic immunologic parameters (inflammatory infiltrate, stromal content, and budding activity [BA] [potentially indicating epithelial-mesenchymal transition]) were evaluated in 66 human primary therapy-naive OSCCs. Intraepithelial/stromal tumor-infiltrating lymphocytes (TILs; CD3+/CD4+/CD8+/CD4+FOXP3+/IL-17A+) were quantified, and ratios were calculated. HLA class I in tumor cells was evaluated immunohistochemically. mRNA in situ hybridization to detect IFN-γ was performed. Analysis was performed within invasive front (IF) and tumor center (TCe). Decreased HLA expression was associated with low TIL density, pronounced stromal content, and high BA; IFN-γ in TILs was correlated with high-density TILs; and IFN-γ in tumor cells was correlated with absence of BA (p < 0.05). Heterogeneity of parameters (TCe/IF) was rare. Low density of stromal CD4+FOXP3+ TILs within TCe and IF was identified as an independent prognostic factor for poor overall, disease-specific, and disease-free survival (p ≤ 0.011). Refining prognostication in OSCC with high-density CD4+FOXP3+ infiltrate within TCe and/or IF, high FOXP3:CD4 ratio was significantly correlated with favorable outcome in this subgroup. Furthermore, high-stromal CD8:CD4 ratio was found to be an independent favorable prognostic factor. In summary, immunologic parameters were closely intertwined. Morphologic correlates of epithelial-mesenchymal transition were associated with downregulation of HLA and decreased inflammation. Heterogeneity was infrequent. Low-density stromal CD4+FOXP3+ infiltrate within TCe and IF was an independent poor prognostic factor. Stratification of cases with high-density CD4+FOXP3+ TILs by FOXP3:CD4 ratio enables refinement of prognostication of this subgroup. CD8:CD4 ratio was identified as an independent prognostic factor. | ||
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