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Unveiling the Potential of Liquid Biopsy in HER2-Positive Breast Cancer Management. Cancers (Basel) 2022; 14:cancers14030587. [PMID: 35158855 PMCID: PMC8833720 DOI: 10.3390/cancers14030587] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/17/2022] [Accepted: 01/21/2022] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Breast cancer (BC) is the most prevailing cancer in women worldwide. Amongst the different BC subtypes, human epidermal growth factor receptor 2 (HER2)-positive tumours are characterised by an overexpression of the HER2 membrane receptor. Nowadays, HER2-status assessment relies on immunohistochemical methodologies in the tumour tissue, which could be complemented by novel methodologies to improve the clinical management of these patients. In this regard, liquid biopsy is an easy, rapid, and minimally invasive tool to obtain circulating tumour components from body fluids. Herein, by reviewing the published studies, we aim to decipher the clinical validity of liquid biopsy in both early and metastatic HER2-positive BC. Abstract Invasive breast cancer (BC) is the most common cancer in women with a slightly increasing yearly incidence. BC immunohistochemical characterisation is a crucial tool to define the intrinsic nature of each tumour and personalise BC patients’ clinical management. In this regard, the characterisation of human epidermal growth factor receptor 2 (HER2) status guides physicians to treat with therapies tailored to this membrane receptor. Standardly, a tumour solid biopsy is therefore required, which is an invasive procedure and has difficulties to provide the complete molecular picture of the tumour. To complement these standard-of-care approaches, liquid biopsy is a validated methodology to obtain circulating tumour components such as circulating tumour DNA (ctDNA) and circulating tumour cells (CTCs) from body fluids in an easy-to-perform minimal-invasive manner. However, its clinical validity in cancer is still to be demonstrated. This review focusses on the utilisation of both ctDNA and CTCs in early and metastatic HER2-positive BC tumours. We discuss recently published studies deciphering the capacity of liquid biopsy to determine the response to neoadjuvant and adjuvant therapies as well as to predict patients’ outcomes.
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Wu Y, Meng Q, Yang Z, Shi L, Hu R, Zhang P, Wei J, Ren J, Leng B, Xu D, Jiang GQ. Circulating HER-2 mRNA in the peripheral blood as a potential diagnostic and prognostic biomarker in females with breast cancer. Oncol Lett 2018; 16:3726-3734. [PMID: 30127983 PMCID: PMC6096115 DOI: 10.3892/ol.2018.9091] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 05/04/2018] [Indexed: 01/04/2023] Open
Abstract
Breast cancer is a prevalent malignant cancer worldwide, and a lack of defined biomarkers for early prognostication contributes to its high associated mortality rate, especially in human epidermal growth factor receptor 2 (HER-2)-positive breast cancer. In the present study, HER-2 mRNA levels in patients were detected prior to surgery and during neoadjuvant chemotherapy to explore its potential diagnostic and prognostic value. Blood samples were collected from 70 patients with breast cancer, including 50 HER-2-negative and 20 HER-2-positive patients, prior to and following surgery (postoperative, n=13; neoadjuvant chemotherapy, n=5); the control group included 35 samples from healthy individuals. The relative mRNA level of HER-2 in blood was determined by one-step reverse transcription-quantitative polymerase chain reaction. HER-2 expression curves of measurements taken during neoadjuvant chemotherapy were compared with the tumor size. A significant difference in the blood HER-2 mRNA level was observed between healthy women and patients with breast cancer (P<0.0001). A cutoff value of 1.512 was established for the circulating HER-2 level in healthy subjects based on the upper 95% confidence interval value of samples from the control group. The level of HER-2 mRNA in blood was associated with the HER-2 status, Ki-67 expression, and lymphovascular invasion in primary tumor tissue samples; however, there was no association with the lymph node status, tumor stage, tumor grade, tumor size, patient age, estrogen or progesterone receptor status of the primary tumor. HER-2 mRNA levels were associated with the response rate, as determined by primary tumor size, in patients who received neoadjuvant chemotherapy. In conclusion, baseline and early changes in peripheral blood HER-2 mRNA indicated that HER-2 mRNA may be a potential diagnostic biomarker for breast cancer and a prognostic marker for predicting the efficacy of neoadjuvant therapy.
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Affiliation(s)
- Yanlin Wu
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Qiping Meng
- GenePharma Limited Liability Company, Suzhou, Jiangsu 215125, P.R. China
| | - Zhixue Yang
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Lili Shi
- GenePharma Limited Liability Company, Suzhou, Jiangsu 215125, P.R. China
| | - Rongkuan Hu
- GenePharma Limited Liability Company, Suzhou, Jiangsu 215125, P.R. China
| | - Peizhuo Zhang
- GenePharma Limited Liability Company, Suzhou, Jiangsu 215125, P.R. China
| | - Jinrong Wei
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Jie Ren
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Bingjing Leng
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Dong Xu
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Guo-Qin Jiang
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
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Wang CH, Chang CJ, Yeh KY, Chang PH, Huang JS. The Prognostic Value of HER2-Positive Circulating Tumor Cells in Breast Cancer Patients: A Systematic Review and Meta-Analysis. Clin Breast Cancer 2017; 17:341-349. [DOI: 10.1016/j.clbc.2017.02.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 01/25/2017] [Accepted: 02/07/2017] [Indexed: 12/18/2022]
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Moazzezy N, Ebrahimi F, Sisakht MM, Yahyazadeh H, Bouzari S, Oloomi M. Relationship between erb-B2 mRNA Expression in Blood and Tissue of Invasive Ductal Carcinoma Breast Cancer Patients and Clinicopathological Characteristics of the Tumors. Asian Pac J Cancer Prev 2016; 17:249-54. [PMID: 26838218 DOI: 10.7314/apjcp.2016.17.1.249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Molecular detection methods such as RT-PCR for detecting breast cancer-associated gene expression in the peripheral blood have the potential to modify breast cancer (BC) staging and therapy. In this regard, we evaluated the potential of erb-B2 molecular marker in BC detection and analyzed the expression of erb-B2 mRNA in the peripheral blood and fresh tissue samples of 50 pretreated female BC patients and 50 healthy females by reverse transcription-PCR (RT-PCR) method. We also assessed the correlation of erb-B2 mRNA marker positivity in peripheral blood and tumor tissue samples with clinical and pathological factors in BC patients in order to evaluate its prognostic value. It was shown that there is a significant difference between healthy females and BC patients with expression of the erb-B2 molecular marker (p<0.01). A significant difference between the expression of erb-B2 in the peripheral blood and tissue samples of BC patients (p<0.01) and the frequency of circulating erb-B2 mRNA expression in peripheral blood and in tissue was detected by RT-PCR. No correlation was found between erb-B2 mRNA expression in blood or tumor tissue samples and lymph node, tumor grade, tumor stage, tumor size, patient's age, ki67, estrogen receptor (ER), progesterone receptor (PGR), P53, and HER-2 status. However, in a small subset of 31 BC patients we found that expression of erb-B2 in peripheral blood or in both peripheral blood and tumor tissue was directly correlated with lympho-vascular invasion and perineural invasion as poor prognostic features. The highest rates of erb-B2 expression in peripheral blood or tumor tissue were in the ER and PR negative and HER-2 positive group. This study suggests that the application of the RT-PCR and immunohistochemical methods for erb-B2 molecular marker detection would provide a higher detection rate, especially in early stage BC.
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Affiliation(s)
- Neda Moazzezy
- Molecular Biology Unit, Pasteur Institute of Iran, Tehran, Iran E-mail :
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Georgoulias V, Bozionelou V, Agelaki S, Perraki M, Apostolaki S, Kallergi G, Kalbakis K, Xyrafas A, Mavroudis D. Trastuzumab decreases the incidence of clinical relapses in patients with early breast cancer presenting chemotherapy-resistant CK-19mRNA-positive circulating tumor cells: results of a randomized phase II study. Ann Oncol 2012; 23:1744-50. [PMID: 22377561 DOI: 10.1093/annonc/mds020] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Since the detection of circulating tumor cells (CTCs) which express HER2 is an adverse prognostic factor in early breast cancer patients, we investigated the effect of trastuzumab on patients' clinical outcome. PATIENTS AND METHODS Seventy five women with HER2 (-) breast cancer and detectable CK19 mRNA-positive CTCs before and after adjuvant chemotherapy, were randomized to receive either trastuzumab (n=36) or observation (n=39). CK19 mRNA-positive CTCs were detected by RT-PCR and double stained CK(+)/HER2(+) cells by immunofluorescence. The primary endpoint was the 3-year disease-free survival rate. RESULTS Fifty-one (89%) of the 57 analyzed patients had HER2-expressing CTCs. After trastuzumab administration, 27 of 36 (75%) women became CK19 mRNA-negative compared to seven of 39 (17.9%) in the observation arm (p=0.001). After a median follow up time of 67.2 months, four (11%) and 15 (38%) relapses were observed in the trastuzumab and observation arm, respectively (p=0.008); subgroup analysis indicated that this effect was mainly confined to women with >3 involved axillary lymph nodes (p=0.004). The median DFS was also significantly higher for the trastuzumab-treated patients (p=0.008). CONCLUSION Administration of trastuzumab can eliminate chemotherapy-resistant CK19 mRNA-positive CTCs, reduce the risk of disease recurrence and prolong the DFS.
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Affiliation(s)
- V Georgoulias
- Department of Medical Oncology, University Hospital of Heraklion, and Medical School, University of Crete, Heraklion, Crete, Greece.
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Chen Y, Zhou J, Xu Y, Li Z, Wen X, Yao L, Xie Y, Deng D. BRCA1 promoter methylation associated with poor survival in Chinese patients with sporadic breast cancer. Cancer Sci 2009; 100:1663-7. [PMID: 19522853 PMCID: PMC11158407 DOI: 10.1111/j.1349-7006.2009.01225.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2009] [Revised: 05/11/2009] [Accepted: 05/12/2009] [Indexed: 12/31/2022] Open
Abstract
Transcriptional inactivation of breast cancer gene 1 (BRCA1) by DNA methylation is a frequent event in sporadic breast cancers. To investigate whether BRCA1 methylation is associated with survival in Chinese patients with sporadic breast cancer, BRCA1 methylation was determined using methylation specific PCR in 536 sporadic breast cancers. Survival curves for patients with methylated and unmethylated BRCA1 were compared using the log-rank tests. Twenty-six percent (139/536) of patients exhibited BRCA1 methylation in their tumors. The degree of BRCA1 methylation was correlated with clinical stages of breast cancer, but was not significant. Patients with BRCA1 methylated tumors had a significantly worse 5-year disease-free survival (DFS) and 5-year disease-specific survival (DSS) than did patients with unmethylated tumors (DFS: 73.2%vs 82.6%, P = 0.045; DSS 80.5%vs 87%, P = 0.038, two-sided). In conclusions, BRCA1 methylation is a frequent event in breast cancer and is associated with poor clinical outcome in Chinese women with breast cancer.
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MESH Headings
- Adenocarcinoma, Mucinous/genetics
- Adenocarcinoma, Mucinous/mortality
- Adult
- Aged
- Aged, 80 and over
- BRCA1 Protein/genetics
- Breast Neoplasms/genetics
- Breast Neoplasms/mortality
- Carcinoma, Ductal, Breast/genetics
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Lobular/genetics
- Carcinoma, Lobular/mortality
- DNA Methylation
- DNA, Neoplasm/genetics
- Female
- Gene Expression Regulation, Neoplastic
- Humans
- Middle Aged
- Neoplasm Staging
- Polymerase Chain Reaction
- Prognosis
- Promoter Regions, Genetic/genetics
- Survival Rate
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Affiliation(s)
- Yanglin Chen
- Etiology Laboratory, Beijing Cancer Hospital and Institute, Peking University School of Oncology, Beijing, China
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Shi L, Dong B, Li Z, Lu Y, Ouyang T, Li J, Wang T, Fan Z, Fan T, Lin B, Wang Z, Xie Y. Expression of ER-{alpha}36, a novel variant of estrogen receptor {alpha}, and resistance to tamoxifen treatment in breast cancer. J Clin Oncol 2009; 27:3423-9. [PMID: 19487384 DOI: 10.1200/jco.2008.17.2254] [Citation(s) in RCA: 174] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
PURPOSE Recently, a 36-kDa variant of estrogen receptor alpha (ER-alpha66), ER-alpha36, has been identified and cloned. ER-alpha36 predominantly localizes on the plasma membrane and in the cytoplasm and mediates a membrane-initiated "nongenomic" signaling pathway. Here, we investigate the association between ER-alpha36 expression and tamoxifen resistance in patients with breast cancer. PATIENTS AND METHODS ER-alpha36 protein expression in tumors from 896 women (two independent cohorts, 1 and 2) with operable primary breast cancer was assessed using an immunohistochemistry assay. Results In the first cohort of 710 consecutive patients, overexpression of ER-alpha36 was associated with poorer disease-free survival (DFS) and disease-specific survival (DSS) in patients with ER-alpha66-positive tumors who received tamoxifen treatment (chemotherapy plus tamoxifen or tamoxifen alone, n = 307). In contrast, ER-alpha36 was not associated with survival in patients with ER-alpha66-positive tumors who did not receive tamoxifen (chemotherapy alone, n = 129) and in patients with ER-alpha66-negative tumors whether they received tamoxifen (n = 73) or not (n = 149). In the second cohort of 186 patients who only received tamoxifen as adjuvant therapy, overexpression of ER-alpha36 was significantly associated with poorer DFS and DSS in 156 ER-alpha66-positive patients from this cohort, and ER-alpha36 remained an independent unfavorable factor for both DFS and DSS in these 156 patients by a multivariate analysis (DFS: hazard ratio [HR] = 5.47; 95% CI, 1.81 to 16.51; P =. 003; DSS: HR = 13.97; 95% CI, 1.58 to 123.53; P = .018). CONCLUSION Women with ER-alpha66-positive tumors that also express high levels of ER-alpha36 are less likely to benefit from tamoxifen treatment.
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Affiliation(s)
- Liang Shi
- Breast Center, Beijing Cancer Hospital & Institute, Peking University School of Oncology, Beijing, 100036, PR China
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Hayes DF, Smerage J. Is There a Role for Circulating Tumor Cells in the Management of Breast Cancer? Clin Cancer Res 2008; 14:3646-50. [DOI: 10.1158/1078-0432.ccr-07-4481] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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BRCA1 germline mutations and tumor characteristics in Chinese women with familial or early-onset breast cancer. Breast Cancer Res Treat 2008; 117:55-60. [DOI: 10.1007/s10549-008-0066-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2008] [Accepted: 05/14/2008] [Indexed: 11/27/2022]
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Xu Y, Sun Y, Yao L, Shi L, Wu Y, Ouyang T, Li J, Wang T, Fan Z, Fan T, Lin B, He L, Li P, Xie Y. Association between CYP2D6 *10 genotype and survival of breast cancer patients receiving tamoxifen treatment. Ann Oncol 2008; 19:1423-1429. [PMID: 18407954 DOI: 10.1093/annonc/mdn155] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Human cytochrome P450 2D6 (CYP2D6) genotype may affect the efficacy of tamoxifen treatment in Caucasian women with breast cancer. The most common polymorphism of CYP2D6 in Chinese women is variant 10 (188 C to T). PATIENTS AND METHODS Tamoxifen and 4-hydroxytamoxifen (4OHtam) were measured in the serum of 37 women with breast cancer who were receiving tamoxifen treatment. The association between CYP2D6 *10 genotype and survival was determined in a cohort of 293 women with breast cancer who received tamoxifen (n = 152) or who did not (n = 141). RESULTS The serum 4OHtam concentrations were significantly lower in women with the CYP2D6 *10 homozygous variant T/T genotype than in those with the homozygous wild-type C/C genotype (P = 0.04). Among tamoxifen-treated women, women with the T/T genotype had a significantly worse disease-free survival (DFS) than those with the C/C or C/T genotype, and the T/T genotype remained an independent prognostic factor of DFS in multivariate analysis (hazard ratio = 4.7; 95% confidence interval = 1.1-20.0; P = 0.04). Among women who did not receive tamoxifen, there was no significant association between CYP2D6 *10 genotype and survival. CONCLUSION In tamoxifen-treated patients, women with the CYP2D6 *10 T/T genotype have a lower 4OHtam level in the serum and a worse clinical outcome.
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Affiliation(s)
| | - Y Sun
- Department of Traditional Chinese Medicine, Beijing Cancer Hospital & Institute, Peking University School of Oncology, Beijing, People's Republic of China
| | | | | | | | | | | | | | | | | | | | - L He
- Department of Biochemistry and Molecular Biology, Beijing Cancer Hospital & Institute, Peking University School of Oncology, Beijing, People's Republic of China
| | - P Li
- Department of Traditional Chinese Medicine, Beijing Cancer Hospital & Institute, Peking University School of Oncology, Beijing, People's Republic of China.
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Yu M, Yang Y, Shi Y, Wang D, Wei X, Zhang N, Niu R. Expression level of beta protein 1 mRNA in Chinese breast cancer patients: a potential molecular marker for poor prognosis. Cancer Sci 2008; 99:173-8. [PMID: 17999690 PMCID: PMC11159943 DOI: 10.1111/j.1349-7006.2007.00661.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Recent studies revealed high ectopic beta protein 1 (BP1) expression in breast cancer. Remarkably, up to 100% (18/18) of estrogen receptor (ER)-negative tumors and 89% (25/28) of tumors from African American women were BP1-positive. However, the role of BP1 in breast cancer development and its clinical significance still has not been well defined. In the present study, we analyzed the quantitative level of BP1 mRNA in breast carcinomas using real-time polymerase chain reaction and aimed to elucidate its association with tumor characteristics and patient prognosis. Our data showed that BP1 mRNA was expressed at significantly higher levels in tumors with lymph node metastasis, with a high histological grade, and in those that were of ER-negative status. Furthermore, overexpression of BP1 was significantly associated with poor outcome of patients harboring tumors with a high histological grade and negative ER. Using both in vitro and in vivo systems, we also showed that the transcript level of BP1 was positively correlated to the growth rate of breast tumor cells. Taken together, our results support the notion that BP1 might contribute to breast neoplastic transformation or tumor progression and suggest for the first time that BP1 mRNA level has potential as a prognostic predictor for breast cancer.
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Affiliation(s)
- Man Yu
- State Key Laboratory of Breast Cancer Prevention and Treatment, Cancer Hospital and Institute, Tianjin Medical University, Huanhuxi Road, Hexi District, Tianjin 300060, China
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Wang L, Peng L, Dong B, Kong L, Meng L, Yan L, Xie Y, Shou C. Overexpression of phosphatase of regenerating liver-3 in breast cancer: association with a poor clinical outcome. Ann Oncol 2006; 17:1517-22. [PMID: 16873432 DOI: 10.1093/annonc/mdl159] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Increasing evidence has suggested that phosphatase of regenerating liver-3 (PRL-3) plays an important role in cancer cell migration, invasion and metastasis. However, the correlation between the PRL-3 expression and clinical outcome in breast cancer has not been investigated. PATIENTS AND METHODS Using a PRL-3-specific monoclonal antibody 3B6, PRL-3 expression was assessed by immunohistochemistry in tumor tissues from 382 breast cancer patients with a median follow-up of 65 months. RESULTS We found that 34.8% patients expressed a high level of PRL-3 protein in their tumors. Patients with a high level of PRL-3 in the tumor had a worse disease-specific survival (DSS) rate than those with a low level of PRL-3 (74.0% versus 84.9%, P = 0.011), and PRL-3 remained an independent prognostic marker for DSS (HR 1.8, 95% CI 1.1-2.9, P = 0.019) in multivariate analysis. More importantly, in 219 node-negative patients, PRL-3 showed a significant correlation with DSS in univariate analysis (P = 0.014) and retained a borderline significance (HR 2.65, 95% CI 0.92-7.64, P = 0.071) in multivariate analysis. CONCLUSIONS Our results suggest that PRL-3 may serve as an unfavorable prognostic marker in breast cancer, especially for patients with node-negative diseases. Thus, our findings may provide useful information for individualized therapy in the clinical setting.
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Affiliation(s)
- L Wang
- Department of Biochemistry and Molecular Biology, Peking University School of Oncology, Beijing Cancer Hospital and Institute, Beijing, PR China
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