Cancer stem cell markers in adenocarcinoma of the salivary glands - reliable prognostic markers?
Web of Science
AuthorSpiegel, JL; Jakob, M; Kruizenga, M; Freytag, S; Bertlich, M; Canis, M; Ihler, F; Haubner, F; Kitz, J; Weiss, BG
Source TitleEuropean Archives of Oto-Rhino-Laryngology
PublisherSpringer Science and Business Media LLC
University of Melbourne Author/sFreytag, Saskia
AffiliationMedical Biology (W.E.H.I.)
Document TypeJournal Article
CitationsSpiegel, J. L., Jakob, M., Kruizenga, M., Freytag, S., Bertlich, M., Canis, M., Ihler, F., Haubner, F., Kitz, J. & Weiss, B. G. (2021). Cancer stem cell markers in adenocarcinoma of the salivary glands - reliable prognostic markers?. Eur Arch Otorhinolaryngol, 278 (7), pp.2517-2528. https://doi.org/10.1007/s00405-020-06389-7.
Access StatusOpen Access
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC8165058
PURPOSE: Adenocarcinoma of the salivary glands is of low incidence and a broad range of histopathological subtypes. Cancer stem cell markers (CSC) might serve as novel prognostic parameters. To date, only a few studies examined the expression of CSC in adenocarcinoma of the salivary glands with diverging results. To further investigate the reliability in terms of prognostic value, a histopathological analysis of CSCs on a cohort of patients with adenocarcinomas of the major salivary glands was performed. METHODS: Tumor samples of 40 consecutive patients with adenocarcinoma of the major salivary gland treated with curative intend at one tertiary center were stained with the CSCs ALDH1, BMI-1, CD44, Nanog, and SOX2. Expression of these markers was correlated with clinicopathological parameters and survival estimates. RESULTS: Correlation of high expression of ALDH1 with higher grading (p < 0.001) and high expression of CD44 with the localization of the neoplasm (p = 0.05), larger tumor size (p = 0.006), positive pN-category (p = 0.023), and advanced UICC stage (p = 0.002) was found. Furthermore, high expression of SOX2 correlated with a negative perineural invasion (p = 0.02). No significant correlation of any investigated marker with survival estimates was observed. CONCLUSION: In conclusion, our study did not find a significant correlation of the investigated CSCs with survival estimates in adenocarcinoma of the major salivary glands. Recapitulating the results of our study in conjunction with data in the literature, the CSCs ALDH1, BMI-1, CD44, Nanog, and SOX2 do not seem to serve as reliable prognostic parameters in the treatment of adenocarcinoma of the salivary glands.
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