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Qiao GL, Song LN, Deng ZF, Chen Y, Ma LJ. Prognostic value of CD44v6 expression in breast cancer: a meta-analysis. Onco Targets Ther 2018; 11:5451-5457. [PMID: 30233206 PMCID: PMC6129017 DOI: 10.2147/ott.s156101] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Purpose The prognostic value and clinical significance of CD44 variant isoform v6 (CD44v6) in breast cancer remains controversial. Our study aimed to generalize the correlation between CD44v6 expression and clinicopathological features and prognosis in breast cancer by using a meta-analysis. Methods We performed a comprehensive search of relevant literature from PubMed, Cochrane Database, and EMBASE database that were published before January 2018. The pooled ORs and HRs with 95% CIs were used to estimate the effects. Results Thirteen articles comprising 1,458 patients were included for analysis. The results revealed that CD44v6 expression was associated with histological grade (overall: OR=1.56, 95% CI [1.06, 2.29], P=0.023; Asian: OR=1.78, 95% CI [1.12, 2.85], P=0.016) and lymph node metastasis (overall: OR=1.96, 95% CI [1.01, 3.78], P=0.046; Asian: OR=2.11, 95% CI [1.00, 4.44], P=0.049). CD44v6 expression was significantly associated with poor prognosis in patients with breast cancer (overall survival: overall: HR=1.55, 95% CI [1.09, 2.22], P=0.015; Asian: HR=2.22, 95% CI [1.34, 3.68], P=0.002). Conclusion Our meta-analysis demonstrates that CD44v6 is significantly associated with poor prognosis, histological grade, and lymph node metastasis in breast cancer patients, especially among Asian patients.
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Affiliation(s)
- Guang-Lei Qiao
- Department of Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,
| | - Li-Na Song
- Department of Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,
| | - Zhou-Feng Deng
- Department of Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,
| | - Ying Chen
- Department of Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,
| | - Li-Jun Ma
- Department of Oncology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,
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Yang H, Liu J, Yu H, Sun P, Hu Y, Zhong J, Zhu Z. Expression and association of CD44v6 with prognosis in T2-3N0M0 esophageal squamous cell carcinoma. J Thorac Dis 2014; 6:91-8. [PMID: 24605222 DOI: 10.3978/j.issn.2072-1439.2013.11.16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Accepted: 11/21/2013] [Indexed: 12/18/2022]
Abstract
AIM To investigate the expression of CD44v6 in stage T2-3N0M0 esophageal squamous cell carcinoma (ESCC) and its prognostic significance. METHODS The expression of CD44v6 in a series of 227 ESCC specimens was evaluated by immunohistochemistry (IHC). A reproducible semiquantitative method which took both staining percentage and intensity into account was applied for IHC scoring, and receiver operating characteristic (ROC) curve analysis was utilized to select the cut-off score for high or low IHC reactivity. Then, the correlations of CD44v6 expression with clinicopathological features of patients and its prognostic relevance were determined. RESULTS In the present study, the proportion of low CD44v6 expression was found significantly lower in Grade 3 of ESCC, than that of Grade 1 and Grade 2 of ESCC. There are no significant correlations between CD44v6 expression and other clinicopathological parameters including gender, age, tumor size, tumor location, depth of invasion and pathological stage. The Kaplan-Meier survival curves showed that up-regulated expression of CD44v6 indicated a poorer post-operative survival for ESCC patients of stage T2-3N0M0 (P=0.009), especially for those with T2 lesions (P=0.044) or with stage IIB diseases (P=0.005). Multivariate analysis also confirmed that CD44v6 expression [relative risk, 1.639; 95% confidence interval (CI): 1.142-2.354, P=0.007] and depth of invasion (relative risk, 1.487; 95% CI: 1.063-2.080, P=0.020) were independent prognostic factors. CONCLUSIONS Elevated CD44v6 expression may be an adverse prognostic indicator for patients with stage T2-3N0M0 ESCC, especially for those with T2 lesions or stage IIB diseases.
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Affiliation(s)
- Han Yang
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Junling Liu
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Hui Yu
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Peng Sun
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Yi Hu
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Jiudi Zhong
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Zhihua Zhu
- 1 Department of Thoracic Surgery, 2 Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China ; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
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3
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Vermeulen JF, van Brussel ASA, Adams A, Mali WPTM, van der Wall E, van Diest PJ, Derksen PWB. Near-infrared fluorescence molecular imaging of ductal carcinoma in situ with CD44v6-specific antibodies in mice: a preclinical study. Mol Imaging Biol 2014. [PMID: 23184608 PMCID: PMC3647080 DOI: 10.1007/s11307-012-0605-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Purpose The purpose of this study was to develop a molecular imaging technique using tracers specific for ductal carcinoma in situ (DCIS) to improve visualization and localization of DCIS during surgery. As CD44v6 is frequently expressed in DCIS, we used near-infrared fluorescently labeled CD44v6-targeting antibodies for detection of DCIS. Procedure Mice bearing orthotopically transplanted CD44v6-positive MCF10DCIS DCIS-like tumors and CD44v6-negative MDA-MB-231 control tumors were intravenously injected with IRDye800CW conjugated to CD44v6-specific antibodies or control IgGs. Noninvasive imaging was performed for 8 days postinjection, followed by intraoperative imaging. Antibody accumulation and intratumor distribution were examined. Results Maximum accumulation of CD44v6-specific antibodies was obtained 24 h postinjection. Maximum tumor-to-background ratio for MCF10DCIS tumors was 4.5 ± 0.2, compared to 1.4 ± 0.1 (control tumors, p = 0.006), and 1.7 ± 0.1 (control IgG, p = 0.014), for 8 days postinjection. Ex vivo, tumor-to-background ratios were comparable to those obtained by intraoperative imaging. Conclusions We show the applicability of noninvasive and intraoperative optical imaging of DCIS-like lesions in vivo using CD44v6-specific antibodies.
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MESH Headings
- Animals
- Antibodies, Neoplasm
- Breast Neoplasms/diagnosis
- Breast Neoplasms/immunology
- Breast Neoplasms/pathology
- Breast Neoplasms/surgery
- Carcinoma, Intraductal, Noninfiltrating/diagnosis
- Carcinoma, Intraductal, Noninfiltrating/immunology
- Carcinoma, Intraductal, Noninfiltrating/pathology
- Carcinoma, Intraductal, Noninfiltrating/surgery
- Cell Line, Tumor
- Female
- Fluorescence
- Humans
- Hyaluronan Receptors/immunology
- Intraoperative Care
- Mammary Neoplasms, Animal/diagnosis
- Mammary Neoplasms, Animal/immunology
- Mammary Neoplasms, Animal/pathology
- Mammary Neoplasms, Animal/surgery
- Mice
- Molecular Imaging/methods
- Tissue Distribution
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Affiliation(s)
- Jeroen F. Vermeulen
- Department of Pathology, University Medical Center Utrecht, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Aram S. A. van Brussel
- Department of Pathology, University Medical Center Utrecht, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Arthur Adams
- Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Willem P. Th. M. Mali
- Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Elsken van der Wall
- Division of Internal Medicine and Dermatology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul J. van Diest
- Department of Pathology, University Medical Center Utrecht, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Patrick W. B. Derksen
- Department of Pathology, University Medical Center Utrecht, PO Box 85500, 3508 GA Utrecht, The Netherlands
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4
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Nederlof M, Watanabe S, Burnip B, Taylor DL, Critchley-Thorne R. High-throughput profiling of tissue and tissue model microarrays: Combined transmitted light and 3-color fluorescence digital pathology. J Pathol Inform 2011; 2:50. [PMID: 22200032 PMCID: PMC3237061 DOI: 10.4103/2153-3539.89849] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Accepted: 10/13/2011] [Indexed: 12/01/2022] Open
Abstract
For many years pathologists have used Hematoxylin and Eosin (H&E), single marker immunohistochemistry (IHC) and in situ hybridization with manual analysis by microscopy or at best simple digital imaging. There is a growing trend to update pathology to a digital workflow to improve objectivity and productivity, as has been done in radiology. There is also a need for tissue-based multivariate biomarker assays to improve the accuracy of diagnostic, prognostic, and predictive testing. Multivariate tests are not compatible with the traditional single marker, manual analysis pathology methods but instead require a digital platform with brightfield and fluorescence imaging, quantitative image analysis, and informatics. Here we describe the use of the Hamamatsu NanoZoomer Digital Pathology slide scanner with HCImage software for combined brightfield and multiplexed fluorescence biomarker analysis and highlight its applications in biomarker research and pathology testing. This combined approach will be an important aid to pathologists in making critical diagnoses.
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Affiliation(s)
- Michel Nederlof
- Cernostics, Inc., 1401 Forbes Avenue, Suite 302, Pittsburgh, PA 15219
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6
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Celebiler Cavusoglu A, Kilic Y, Saydam S, Canda T, Başkan Z, Sevinc AI, Sakizli M. Predicting invasive phenotype with CDH1, CDH13, CD44, and TIMP3 gene expression in primary breast cancer. Cancer Sci 2009; 100:2341-5. [PMID: 19799609 PMCID: PMC11158734 DOI: 10.1111/j.1349-7006.2009.01333.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
We aimed to determine changes in the expression of the genes CDH1, CDH13, CD44, and TIMP3 to look for any relationship between them, HER2 and ESR1 expression at the RNA level, and the histopathological properties of tumors. We also analyzed the expression properties of double-negative (estrogen receptor [ER] and human epidermal growth factor receptor [HER2] both negative) breast tumors. Expression status was studied in fresh tissue at the mRNA level with quantitative PCR using hydrolysis probes. Sixty-two cancer patients and four normal controls were included in the study. When the tumor group was analyzed as a whole, the correlations of ESR1 with CDH1, CDH13, and TIMP3 were P < 0.05, P < 0.005, and P < 0.005, respectively. In ER-positive tumors, CDH1 and CDH13 were correlated directly (P < 0.005) when HER2 was correlated with CDH1, CDH13, and TIMP3 indirectly (P < 0.005, P < 0.005, and P < 0.05, respectively). CDH1 and CD44 had a strong indirect correlation (P < 0.005) in ER-negative tumors. There were significant differences in the expression levels of the CDH13, TIMP3, and CD44 genes (P < 0.005, P < 0.005, and P < 0.05, respectively) between the ER-positive and -negative groups. All four genes were found to be correlated with invasive properties in both ER-positive and -negative tumors. In double-negative tumor samples, only CD44 had a significant and strong correlation with stage, lymph node involvement, and metastasis (P < 0.05, P < 0.005, and P < 0.05, respectively). As a conclusion, a decrease in CDH1, CDH13, and TIMP3 expression levels with an increase in CD44 can be used as an indicator for invasion in both ER-positive and -negative breast tumors. In double-negative tumor tissues, CD44 can be considered a marker for aggressive properties.
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7
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Paltian V, Alldinger S, Baumgärtner W, Wohlsein P. Expression of CD44 in Canine Mammary Tumours. J Comp Pathol 2009; 141:237-47. [DOI: 10.1016/j.jcpa.2009.05.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2008] [Revised: 04/30/2009] [Accepted: 05/12/2009] [Indexed: 10/20/2022]
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8
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Madrazo J, García-Fernández RA, García-Iglesias MJ, Durán AJ, Espinosa J, Pérez-Martínez C. The role of CD44 adhesion factor in canine mammary carcinomas. Vet J 2009; 180:371-6. [DOI: 10.1016/j.tvjl.2008.01.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2007] [Revised: 12/21/2007] [Accepted: 01/12/2008] [Indexed: 10/22/2022]
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9
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Hamilton SR, Fard SF, Paiwand FF, Tolg C, Veiseh M, Wang C, McCarthy JB, Bissell MJ, Koropatnick J, Turley EA. The hyaluronan receptors CD44 and Rhamm (CD168) form complexes with ERK1,2 that sustain high basal motility in breast cancer cells. J Biol Chem 2007; 282:16667-80. [PMID: 17392272 PMCID: PMC2949353 DOI: 10.1074/jbc.m702078200] [Citation(s) in RCA: 189] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
CD44 is an integral hyaluronan receptor that can promote or inhibit motogenic signaling in tumor cells. Rhamm is a nonintegral cell surface hyaluronan receptor (CD168) and intracellular protein that promotes cell motility in culture. Here we describe an autocrine mechanism utilizing cell surface Rhamm-CD44 interactions to sustain rapid basal motility in invasive breast cancer cell lines that requires endogenous hyaluronan synthesis and the formation of Rhamm-CD44-ERK1,2 complexes. Motile/invasive MDA-MB-231 and Ras-MCF10A cells produce more endogenous hyaluronan, cell surface CD44 and Rhamm, an oncogenic Rhamm isoform, and exhibit more elevated basal activation of ERK1,2 than less invasive MCF7 and MCF10A breast cancer cells. Furthermore, CD44, Rhamm, and ERK1,2 uniquely co-immunoprecipitate and co-localize in MDA-MB-231 and Ras-MCF10A cells. Combinations of anti-CD44, anti-Rhamm antibodies, and a MEK1 inhibitor (PD098059) had less-than-additive blocking effects, suggesting the action of all three proteins on a common motogenic signaling pathway. Collectively, these results show that cell surface Rhamm and CD44 act together in a hyaluronan-dependent autocrine mechanism to coordinate sustained signaling through ERK1,2, leading to high basal motility of invasive breast cancer cells. Therefore, an effect of CD44 on tumor cell motility may depend in part on its ability to partner with additional proteins, such as cell surface Rhamm.
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Affiliation(s)
- Sara R. Hamilton
- London Regional Cancer Program, London Health Sciences Centre/The University of Western Ontario (London, ON Canada)
| | - Shireen F. Fard
- London Regional Cancer Program, London Health Sciences Centre/The University of Western Ontario (London, ON Canada)
| | - Frouz F. Paiwand
- Department of Cardiovascular Research, Hospital for Sick Children (Toronto, ON, Canada)
| | - Cornelia Tolg
- London Regional Cancer Program, London Health Sciences Centre/The University of Western Ontario (London, ON Canada)
| | - Mandana Veiseh
- Division of Life Sciences, Lawrence Berkeley National Laboratories, Berkeley CA
| | - Chao Wang
- Department of Cardiovascular Research, Hospital for Sick Children (Toronto, ON, Canada)
| | - James B. McCarthy
- Department of Laboratory Medicine and Pathology and University of Minnesota Comprehensive Cancer Center (Minneapolis, MN, USA)
| | - Mina J. Bissell
- Division of Life Sciences, Lawrence Berkeley National Laboratories, Berkeley CA
| | - James Koropatnick
- London Regional Cancer Program, London Health Sciences Centre/The University of Western Ontario (London, ON Canada)
| | - Eva A. Turley
- London Regional Cancer Program, London Health Sciences Centre/The University of Western Ontario (London, ON Canada)
- Address correspondence to: London Regional Cancer Program, Cancer Research Laboratories, Room A4-931, 790 Commissioners Road E, London ON, Canada N6A 4L6, Tel. 519 685-8600 ext. 53677; Fax: 519 685-8616;
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10
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Elzagheid A, Kuopio T, Pyrhönen S, Collan Y. Lymph node status as a guide to selection of available prognostic markers in breast cancer: the clinical practice of the future? Diagn Pathol 2006; 1:41. [PMID: 17092354 PMCID: PMC1654187 DOI: 10.1186/1746-1596-1-41] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2006] [Accepted: 11/08/2006] [Indexed: 11/10/2022] Open
Abstract
Prognosticators evaluating survival in breast cancer vary in significance in respect to lymph node status. Studies have shown e.g. that HER2/neu immunohistochemistry or HER2/neu gene amplification analysis do perform well as prognosticators in lymph node positive (LN +) patients but are less valuable in lymph node negative (LN -) patients. We collected data from different studies and tried to evaluate the relative significance of different prognosticators in LN+/LN- patient groups. In LN+ patients HER2/neu and E-cadherin immunohistochemistry were the statistically most significant prognosticators followed by proliferation associated features (mitotic counts by SMI (standardised mitotic index) or MAI (mitotic activity index), or S-phase fraction). Bcl-2 immunohistochemistry was also significant but p53 and cystatin A had no significance as prognosticators. In LN- patients proliferation associated prognosticators (SMI, MAI, Ki-67 index, PCNA immunohistochemistry, S-phase fraction) are especially valuable and also Cathepsin D, cystatin A, and p53 are significant, but HER2/neu or bcl-2, or E-cadherin less significant or without significance. We find that in studies evaluating single prognosticators one should distinguish between prognosticators suitable for LN+ and LN- patients. This will allow the choice of best prognosticators in evaluating the prospects of the patient. The distinction between LN+ and LN- patients in this respect may also be of special value in therapeutic decisions.
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Affiliation(s)
- A Elzagheid
- Department of Oncology and Radiotherapy, Turku University Hospital, Savitehtaankatu 1 PB 52, FIN-20521, Turku, Finland
- Department of Pathology, University of Turku, and Turku University Hospital, Kiinamyllynkatu 10, FIN-20520, Turku, Finland
| | - T Kuopio
- Department of Pathology, Jyväskylä Central Hospital, FIN-40620, Jyväskylä, Finland
| | - S Pyrhönen
- Department of Oncology and Radiotherapy, Turku University Hospital, Savitehtaankatu 1 PB 52, FIN-20521, Turku, Finland
| | - Y Collan
- Department of Pathology, University of Turku, and Turku University Hospital, Kiinamyllynkatu 10, FIN-20520, Turku, Finland
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11
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Abstract
Substantial progress has been made over the past three decades in our understanding of the epidemiology, clinical course and basic biology of breast cancer. This chapter considers the existing ancillary tests and emerging molecular markers in breast cancer prognosis assessment and the prediction of response of breast cancer to treatment of the disease.
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Affiliation(s)
- Jeffrey S Ross
- Department of Pathology and Laboratory Medicine, Albany Medical College, Albany, New York 12208, USA
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12
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Ruibal A, del Río MC, Arias JI. [CD44v6 expression in er-negative and PgR-negative infiltrating ductal breast carcinomas]. Med Clin (Barc) 2005; 125:475-6. [PMID: 16216206 DOI: 10.1157/13079614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Ma W, Deng Y, Zhou L. The prognostic value of adhesion molecule CD44v6 in women with primary breast carcinoma: a clinicopathologic study. Clin Oncol (R Coll Radiol) 2005; 17:258-63. [PMID: 15997921 DOI: 10.1016/j.clon.2005.02.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
AIMS CD44 functions as an adhesion molecule. Within the family of CD44 isoforms, the spliced variant 6 has been causally associated with the development of metastases and poor prognosis in animal models and several human cancers. The aim of this study was to investigate the prognostic value of CD44v6 in women with primary breast carcinoma. MATERIALS AND METHODS The women with primary breast carcinoma in this study were followed up clinically for a period of 5 years. Clinicopathologic features, including tumour size, axillary nodal status, histological grade and pTNM stage, were determined for a cohort of 78 women presenting with primary breast carcinoma. Standard immunohistochemistry was used to explore CD44v6 expression. The data obtained were analysed by univariate and multivariate analyses. RESULTS Forty-three out of 78 (55%) women with breast carcinoma were CD44v6-positive (i.e. over 5% of tumour cells exhibited positive staining). Significant sequential increase of CD44v6 expression was observed in women with metastases of axillary nodes, tumour size more than 2 cm, advanced pTNM stage and survival period less than 5 years. Univariate analysis showed that axillary nodal status, primary tumour size, histological grade, and pTNM stage were associated with 5-year survival, and CD44v6 expression was associated with primary tumour size, axillary nodal status, pTNM stage and 5-year survival. In multivariate analysis, using the Cox-regression model, CD44v6 expression was not an independent prognostic factor. CONCLUSIONS CD44v6 expression was correlated with tumour size, metastases of axillary nodes, pTNM stage, and 5-year survival; however, multivariate analysis revealed that CD44v6 expression failed to be an independent predictor of patient prognosis.
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Affiliation(s)
- W Ma
- Cancer Center, University of California San Diego, La Jolla, CA 92093, USA.
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14
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Diaz LK, Zhou X, Wright ET, Cristofanilli M, Smith T, Yang Y, Sneige N, Sahin A, Gilcrease MZ. CD44 expression is associated with increased survival in node-negative invasive breast carcinoma. Clin Cancer Res 2005; 11:3309-14. [PMID: 15867228 DOI: 10.1158/1078-0432.ccr-04-2184] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE CD44 is a multifunctional cell surface receptor with many known splice variants, some of which have been reported to play a role in tumor progression. The purpose of this study was to evaluate the prognostic significance of CD44 isoforms in early-stage, lymph node-negative invasive breast carcinoma. EXPERIMENTAL DESIGN Immunohistochemical staining for CD44 isoforms was done on archival paraffin tissue sections of invasive breast carcinoma from a cohort of lymph node-negative patients who received no adjuvant tamoxifen or chemotherapy and who had a mean clinical follow-up period of 15 years. Immunohistochemical staining was done with antibodies to CD44s, the standard isoform of CD44, and to isoforms containing variant exon 6 (CD44v6); levels of staining were correlated with clinical outcome data. RESULTS There was a trend towards increased disease-free survival for patients whose tumors had high anti-CD44s positivity (P = 0.05), and a significant association was observed between anti-CD44s positivity and disease-related survival (P = 0.04). Expression of CD44v6 isoforms did not correlate with clinical outcome. CONCLUSION CD44 expression, as assessed by immunohistochemical staining with anti-CD44s, may be a favorable prognostic factor in patients with node-negative invasive breast carcinoma.
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Affiliation(s)
- Leslie K Diaz
- Department of Pathology, University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, USA
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Julien S, Krzewinski-Recchi MA, Harduin-Lepers A, Gouyer V, Huet G, Le Bourhis X, Delannoy P. Expression of sialyl-Tn antigen in breast cancer cells transfected with the human CMP-Neu5Ac: GalNAc alpha2,6-sialyltransferase (ST6GalNac I) cDNA. Glycoconj J 2001; 18:883-93. [PMID: 12820722 DOI: 10.1023/a:1022200525695] [Citation(s) in RCA: 243] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Sialyl-Tn antigen (STn) is a cancer associated carbohydrate antigen over-expressed in several cancers including breast cancer, and currently associated with more aggressive diseases and poor prognosis. However, the commonly used breast cancer cell lines (MDA-MB-231, T47-D and MCF7) do not express STn antigen. The key step in the biosynthesis of STn is the transfer of a sialic acid residue in alpha2,6-linkage to GalNAc alpha-O-Ser/Thr. This reaction is mainly catalyzed by a CMP-Neu5Ac GalNAc alpha2,6-sialyltransferase: ST6GalNAc I. In order to generate STn-positive breast cancer cells, we have cloned a cDNA encoding the full-length human ST6GalNAc I from HT-29-MTX cells. The stable transfection of MDA-MB-231 with an expression vector encoding ST6GalNAc I induces the expression of STn antigen at the cell surface. The expression of STn short cuts the initial O-glycosylation pattern of these cell lines, by competing with the Core-1 beta1,3-galactosyltransferase, the first enzyme involved in the elongation of O-glycan chains. Moreover, we show that STn expression is associated with morphological changes, decreased growth and increased migration of MDA-MB-231 cells.
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Affiliation(s)
- S Julien
- Unité de Glycobiologie Structurale et Fonctionnelle, UMR CNRS no 8576, Laboratoire de Chimie Biologique, Université des Sciences et Technologies de Lille, F-59655 Villeneuve d'Ascq, France
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