Abstract
Purpose
This meta-analysis investigated the relationships between the CD44+/CD24− phenotype and tumor size, lymph node metastasis, distant metastasis, disease-free survival (DFS), and overall survival (OS) in 8036 postoperative breast cancer patients enrolled in 23 studies.
Methods
A literature search of PubMed, Medline, Cochrane, Embase, and PMC was conducted to identify eligible studies. The combined odds ratios (ORs) and 95% confidence intervals (95% CIs) were analyzed to evaluate the relationships between the CD44+/CD24− phenotype and the pathological and biological characteristics of breast cancer patients, and the combined hazard ratios (HRs) and 95% CIs were calculated to evaluate the relationships between CD44+/CD24− and DFS and OS of breast cancer patients using Stata12.0 software.
Results
The CD44+/CD24− phenotype were not related to the tumor size (tumor size > 2.0 vs ≤ 2.0 cm, combined OR = 0.98, 95% CI 0.68–1.34, p = 0.792) and did not promote lymph node metastasis (lymph node metastasis vs. no lymph node metastasis, OR = 0.92, 95% CI 0.67–1.27, p = 0.626) and distant metastasis (distant metastasis vs no distant metastasis, combined OR = 3.88, 95% CI 0.93–16.24, p = 0.064). The CD44+/CD24− phenotype was negatively correlated with postoperative DFS (HR = 1.67, 95% CI 1.35–2.07, p < 0.00001) and OS (combined HR = 1.52, 95% CI 1.21–1.91, p = 0.0004).
Conclusion
These results suggested expression of the CD44+/CD24− phenotype cannot be used as a reliable indicator of the tumor size, lymph node metastasis, and distant metastasis, however, it can be used be a potential therapeutic targets of DFS, OS in breast cancer patients.
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Code availability
Stata12.0 and Revman5.3.
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Acknowledgements
Thanks Jingjing Gu, Dandan Chen, Zhaoming Ma, Guanhong Huang, Zhiqiang Li and Yongliang Yang for their efforts on this article.
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Author ZM (Doctoral candidate) and author GH (Doctor) have given substantial contributions to the conception or the design of the manuscript, author JG and author DC to acquisition, analysis and interpretation of the data, author ZL and YY to further review the data. All authors have participated to drafting the manuscript, author ZM and author GH revised it critically. All authors read and approved the final version of the manuscript. All authors contributed equally to the manuscript and read and approved the final version of the manuscript.
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Gu, J., Chen, D., Li, Z. et al. Prognosis assessment of CD44+/CD24− in breast cancer patients: a systematic review and meta-analysis. Arch Gynecol Obstet 306, 1147–1160 (2022). https://doi.org/10.1007/s00404-022-06402-w
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DOI: https://doi.org/10.1007/s00404-022-06402-w