Journal of Pathology and Translational Medicine

Original Articles

Prognostic Implication of Semi-quantitative Immunohistochemical Assessment of CD20 Expression in Diffuse Large B-Cell Lymphoma: Chang Hwan Choi, Young Hoon Park, Joo Han Lim, Suk Jin Choi, Lucia Kim, In Suh Park, Jee Young Han, Joon Mee Kim, Young Chae Chu; J Pathol Transl Med. 2016;50(2):96-103. Published online February 15, 2016; DOI: https://doi.org/10.4132/jptm.2016.01.12

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Background
Immunohistochemical demonstration of CD20 in diffuse large B-cell lymphoma (DLBCL) is prerequisite not only for the diagnosis but also for assigning patients to rituximab-containing chemotherapy. However, little is known about the impact of abundance of CD20 expression assessed by immunohistochemistry on the clinical outcome of DLBCL. We performed a semi-quantitative immunohistochemical analysis of CD20 expression in DLBCL to examine the prognostic implication of the level of CD20 expression. Methods: Pre-treatment diagnostic tissue samples from 48 DLBCL patients who were treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) regimen were represented in a tissue microarray and immunostained for CD20. The relative abundance of CD20 expression was semi-quantitatively scored using a web-based ImmunoMembrane plug-in. Receiver operating characteristic curve analysis was used to determine a prognostically relevant cut-off score in order to dichotomize the patients into CD20-high versus CD20-low groups. Results: The levels of CD20 expression were heterogeneous among the patients, with a wide and linear distribution of scores. Patients in CD20-low group showed significantly poor clinical outcome. Conclusions: The levels of CD20 expression in DLBCL are heterogeneous among the patients with DLBCL. A subgroup of the patients with CD20 expression levels below the cut-off score showed poor clinical outcome.

Citations

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The Expression Levels of CD20 as a Prognostic Value in Feline B-Cell Nasal Lymphoma: A Pilot Study
Kravee Chaipoca, Theerapol Sirinarumitr, Supreeya Srisampan, Charuwan Wongsali, Attawit Kovitvadhi, Tassanee Jaroensong
Animals.2024; 14(7): 1043. CrossRef
Prognostic molecular biomarkers in diffuse large B-cell lymphoma in the rituximab era and their therapeutic implications
Sotirios G. Papageorgiou, Thomas P. Thomopoulos, Ioannis Katagas, Anthi Bouchla, Vassiliki Pappa
Therapeutic Advances in Hematology.2021; 12: 204062072110139. CrossRef
Novel tumour–infiltrating lymphocyte-related risk stratification based by flow cytometry for patients with de novo angioimmunoblastic T cell lymphoma
Qiqi Zhu, Xueqin Deng, Wenqing Yao, Zihang Chen, Yunxia Ye, Limin Gao, Wenyan Zhang, Weiping Liu, Sha Zhao
Annals of Hematology.2021; 100(3): 715. CrossRef
Induced CD20 Expression on B-Cell Malignant Cells Heightened the Cytotoxic Activity of Chimeric Antigen Receptor Engineered T Cells
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Journal of Experimental & Clinical Cancer Research.2017;[Epub] CrossRef
Implications of infiltrating immune cells within bone marrow of patients with diffuse large B-cell lymphoma
Juhyeon Jeong, Eun Ji Oh, Woo Ick Yang, Soo Jeong Kim, Sun Och Yoon
Human Pathology.2017; 64: 222. CrossRef
Architectural patterns of p16 immunohistochemical expression associated with cancer immunity and prognosis of head and neck squamous cell carcinoma
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New developments in the pathology of malignant lymphoma. A review of the literature published from January–April 2016
J. Han van Krieken
Journal of Hematopathology.2016; 9(2): 73. CrossRef
Diffuse large B-cell lymphoma: R-CHOP failure—what to do?
Bertrand Coiffier, Clémentine Sarkozy
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The Clinicopathological Significance of Epithelial Mesenchymal Transition Associated Protein Expression in Head and Neck Squamous Cell Carcinoma: Kyu Ho Kim, Lucia Kim, Suk Jin Choi, Jee Young Han, Joon Mee Kim, Young Chae Chu, Young-Mo Kim, In Suh Park, Joo Han Lim; Korean J Pathol. 2014;48(4):263-269. Published online August 26, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.4.263

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Abstract PDF

Background

Epithelial mesenchymal transition (EMT) has an important role in invasion and metastasis of tumor cells. The purpose of this study was to evaluate the roles of EMT-associated proteins on progression and metastasis as a prognostic/predictive factor in curatively-resected (R0) head and neck squamous cell carcinoma (HNSCC).

Methods

A total of 118 patients who received curative surgery for HNSCC at Inha University Hospital between January 1996 and December 2011 were included. We used protein immunohistochemistry to evaluate the expression of E-cadherin, vimentin, and EZH2 on tissue microarrays. Also, we reviewed all medical records and analyzed the relationship between the expression of EMT-associated proteins and prognosis.

Results

The E-cadherin-negative group showed more moderate/poor differentiation of cancer cell type than the higher E-cadherin-expressing group (p=.016) and high EZH2 expression was significantly correlated with nodal metastasis (p=.012). Our results demonstrate a significant association between high expression of EZH2 and vimentin and presence of distant progression (p=.026). However, expression of E-cadherin, vimentin, and EZH2 was not significantly associated with overall survival.

Conclusions

These findings suggest that an EMT-associated protein expression profile is correlated with aggressiveness of disease and prognosis, and could be a useful marker for determination of additional treatment in curatively-resected HNSCC patients.

Citations

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Prognostic Value of TWIST1 and EZH2 Expression in Colon Cancer
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Cancer Cell International.2018;[Epub] CrossRef
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Xiaobing Liu, Qingjian Wu, Longkun Li
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EZH2, an on–off valve in signal network of tumor cells
Shanshan Sun, Feng Yu, Lun Zhang, Xuan Zhou
Cellular Signalling.2016; 28(5): 481. CrossRef
High EZH2 Protein Expression Is Associated with Poor Overall Survival in Patients with Luminal A Breast Cancer
Si-Hyong Jang, Jong Eun Lee, Mee-Hye Oh, Ji-Hye Lee, Hyun Deuk Cho, Kyung-Ju Kim, Sung Yong Kim, Sun Wook Han, Han Jo Kim, Sang Byung Bae, Hyun Ju Lee
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EZH2 promotes invasion and metastasis of laryngeal squamous cells carcinoma via epithelial-mesenchymal transition through H3K27me3
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Biochemical and Biophysical Research Communications.2016; 479(2): 253. CrossRef

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