期刊
ORAL ONCOLOGY
卷 47, 期 1, 页码 33-38出版社
ELSEVIER
DOI: 10.1016/j.oraloncology.2010.10.013
关键词
Tongue cancer; Cancer-associated fibroblasts; Stromal myofibroblasts; Ki-67; DNA content; Ploidy; Maspin; Disease-specific mortality; Prognosis; Oral cancer
资金
- Finnish Cancer Society
- Oulu University Central Hospital EVO (OUCH-EVO)
- Academy of Finland [130140]
- Tel Aviv University, Israel
Mobile tongue squamous cell carcinoma (MTSCC) is known for its strong propensity for regional metastasis and poor patient survival despite aggressive treatment, thus calling for new and reliable markers for predicting prognosis and guiding therapeutic management. Towards this end, three classes of markers were investigated: cancer-associated fibroblasts (CAFs; alpha-SMA positivity) as a representative of the tumor microenvironment, maspin (mammary serine protease inhibitor) as a tumor marker likely to be modulated by factors within the tumor microenvironment, and DNA content and Ki-67 labeling index as inbuilt tumor markers in 128 cases of MTSCC using immunohistochemistry and image cytometry. Of these markers, only CAF density was independently and relatively strongly associated with elevated mortality from MTSCC. The hazard ratio in the CAF-rich type of tumor microenvironment was 4.85 (95% CI 1.41-16.6, versus the CAF-poor) when adjusted by proportional hazards modeling for the center where the patient was managed, gender, tumor stage, presence of neck metastasis and age at diagnosis. CAF density was unrelated to non-MTSSC mortality. Given the strong association between increased CAF density and higher mortality in MTSCC, routine assessment of CAF density for disease course prognosis and inclusion as an integral part of treatment protocols are recommended. (C) 2010 Elsevier Ltd. All rights reserved.
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