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  • Title: Prognostic value of CD44 expression in oral squamous cell carcinoma: A meta-analysis.
    Author: Mirhashemi M, Sadeghi M, Ghazi N, Saghravanian N, Dehghani M, Aminian A.
    Journal: Ann Diagn Pathol; 2023 Dec; 67():152213. PubMed ID: 37856951.
    Abstract:
    CD44 as a marker of cancer stem cells (CSCs) may be correlated with tumor growth, cell migration, metastasis and chemo-radiotherapy resistance of cancers. However, the prognostic value of CD44 in oral squamous cell carcinoma(OSCC) remains controversial. Therefore, the purpose of the current study was to evaluate the correlation of CD44 expression with the prognosis of OSCC through a meta-analysis. We systematically searched PubMed, Scopus, ISI Web of Science, Embase and Cochrane Central databases for relevant studies up to November 2022. We included 11 articles with immunohistochemistry (IHC) method involving 1084 OSCC patients. Hazard ratios (HRs) with 95 % confidence intervals (95 % CIs) were calculated to assess the association between CD44 expression and overall survival (OS) and disease-free survival (DFS). Results showed that high expression of CD44 was a poor prognostic marker for OS in OSCC patients (HR: 1.71, 95 % CI: 1.18-2.47). Also results for DFS demonstrated that in patients with high CD44 expression who received treatment, the probability of tumor recurrence or death was 1.66 times and in the worst case this ratio can reach 2.39 (HR: 1.66, 95 % CI: 1.15-2.39). High CD44 expression associated with metastasis to lymph nodes and distant metastasis, poorer survival of the patients, tumor recurrence, higher tumor stage and grade and aggressive clinicopathological features. Therefore CD44 can be used as a valuable independent marker in predicting the prognosis of OSCC patients.
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