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Clinicopathological analysis of CD44 and CD24 expression in invasive breast cancer

Title
Clinicopathological analysis of CD44 and CD24 expression in invasive breast cancer
Author
백승삼
Keywords
breast cancer; CD44(+); CD24(-); HER2; stem cell property; clinicopathological characteristics
Issue Date
2016-09
Publisher
SPANDIDOS PUBL LTD
Citation
ONCOLOGY LETTERS, v. 12, NO. 4, Page. 2728-2733
Abstract
A subpopulation of breast cancer cells with cluster of differentiation (CD)44-positive and CD24-negative expression has been reported to have stem cell properties and to have a higher tumorigenic capacity than other cells. However, the clinicopathological characteristics of this subpopulation are not fully understood. In this study, we aimed to identify the correlations between the expression of CD44 and CD24 and clinicopathological parameters and overall survival. We studied specimens from 262 patients with invasive breast cancer. Immunohistochemical staining for CD44 and CD24 was performed using tissue microarrays. The clinicopathological factors were evaluated from the patients' medical records. In correlation analysis, CD44 expression was significantly associated with human epidermal growth factor receptor 2 (HER2)-negative status (P˂0.001). Conversely, CD24 expression was significantly associated with HER2-positive status (P˂0.001). CD44 and CD24 expression did not demonstrate any correlation with the age, tumor size, axillary lymph node metastasis status, tumor stage, histological grade, estrogen receptor status and progesterone receptor status of patients. Upon survival analysis, there was no statistical difference in overall survival according to the expression of CD44 and CD24. The results from this study suggest that CD44 and CD24 are clinically significant markers associated with breast tumorigenesis, but not sufficient factors in determining the prognosis of invasive breast cancer.
URI
https://www.spandidos-publications.com/10.3892/ol.2016.4987http://repository.hanyang.ac.kr/handle/20.500.11754/80323
ISSN
1792-1074; 1792-1082
DOI
10.3892/ol.2016.4987
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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