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Kubik S, Jesionek-Kupnicka D, Stawiski K, Fijuth J, Moszynska-Zielinska M, Kuncman L, Pajdzinski M, Gottwald L. Clinical significance of CD34, podoplanin and Ki-67 expression in patients with locally advanced squamous cell cervical carcinoma. J OBSTET GYNAECOL 2022; 42:2248-2254. [PMID: 35264072 DOI: 10.1080/01443615.2022.2037124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The aim of the study was to assess immunohistochemical CD34, podoplanin and Ki-67 expression in cervical tumour of patients with cervical squamous cell carcinoma (SCC) staged IIB and IIIB, a relationship with selected clinical and histological parameters and its prognostic significance. This prospective study included 52 patients. Microvessel density (MVD) by CD34, lymphatic vessel density (LVD) by podoplanin and the Ki-67 index in specimens from paraffin blocks with cervical SCC tissues were examined. The relationship between these data and selected clinical and histological parameters was analysed. Positive correlation of MVD and the Ki-67 index was observed. No correlation was observed for MVD, LVD and the Ki-67 index in the tumour with staging, grading, length of treatment and squamous cell carcinoma antigen (SCC-Ag) concentration before and after treatment. The expression of MVD, LVD and the Ki-67 index in cervical SCC did not contribute to the risk of relapse and cancer-related death. No relationship was found for MVD, LVD and the Ki-67 index in cervical tumour of patients with locally advanced cervical SCC with staging, grading and serum SCC-Ag level. MVD, LVD and the Ki-67 index in the tumour did not contribute to the risk of relapse or cervical SCC-related death.Impact StatementWhat is already known on this subject? In many patients, invasive cervical squamous cell carcinoma (SCC) is diagnosed in a locally advanced stage, when the prognosis depends on many well-known factors connected with tumour biology, staging and general condition of the patient. Despite numerous studies, the value of immunohistochemical CD34, podoplanin and Ki-67 expression in cervical tumour of these patients is still not well defined.What do the results of this study add? In our prospective study, no relationship for microvessel density (MVD), lymphatic vessel density (LVD) and the Ki-67 index in cervical tumour of patients with locally advanced cervical SCC with staging, grading and serum squamous cell carcinoma antigen (SCC-Ag) level was found. Additionally, MVD, LVD and the Ki-67 index in the tumour did not contribute to the risk of relapse or cervical SCC-related death.What are the implications of these findings for clinical practice and/or further research? Our study underlines the limited value of immunohistochemical CD34, podoplanin and Ki-67 expression in cervical tumour of patients with locally advanced cervical SCC. Further research should be focussed on identifying and validating novel prognostic and predictive factors.
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Affiliation(s)
- Sylwester Kubik
- Department of Perinatology and Gynaecology, Polish Mother's Memorial Hospital Research Institute of Lodz, Lodz, Poland
| | | | - Konrad Stawiski
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland
| | - Jacek Fijuth
- Department of Radiotherapy, Chair of Oncology, Medical University of Lodz, Lodz, Poland
- Department of Teleradiotherapy, Regional Cancer Centre, Copernicus Memorial Hospital of Lodz, Lodz, Poland
| | | | - Lukasz Kuncman
- Department of Radiotherapy, Chair of Oncology, Medical University of Lodz, Lodz, Poland
- Department of Teleradiotherapy, Regional Cancer Centre, Copernicus Memorial Hospital of Lodz, Lodz, Poland
| | - Mateusz Pajdzinski
- Department of Teleradiotherapy, Regional Cancer Centre, Copernicus Memorial Hospital of Lodz, Lodz, Poland
| | - Leszek Gottwald
- Department of Radiotherapy, Chair of Oncology, Medical University of Lodz, Lodz, Poland
- Department of Teleradiotherapy, Regional Cancer Centre, Copernicus Memorial Hospital of Lodz, Lodz, Poland
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The Role of Podoplanin in Skin Diseases. Int J Mol Sci 2022; 23:ijms23031310. [PMID: 35163233 PMCID: PMC8836045 DOI: 10.3390/ijms23031310] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/22/2022] [Accepted: 01/23/2022] [Indexed: 02/05/2023] Open
Abstract
Podoplanin is a sialomucin-like type I transmembrane receptor glycoprotein that is expressed specifically in lymphatic vessels, sebaceous glands, and hair follicles in normal skin. However, under pathological conditions podoplanin expression is upregulated in various cells, such as keratinocytes, fibroblasts, tumor cells, and inflammatory cells, and plays pivotal roles in different diseases. In psoriasis, podoplanin expression is induced in basal keratinocytes via the JAK-STAT pathway and contributes toward epidermal hyperproliferation. Podoplanin expression on keratinocytes can also promote IL-17 secretion from lymphocytes, promoting chronic inflammation. During wound healing, the podoplanin/CLEC-2 interaction between keratinocytes and platelets regulates re-epithelialization at the wound edge. In skin cancers, podoplanin expresses on tumor cells and promotes their migration and epithelial-mesenchymal transition, thereby accelerating invasion and metastasis. Podoplanin is also expressed in normal peritumoral cells, such as cancer-associated fibroblasts in melanoma and keratinocytes in extramammary Paget's disease, which promote tumor progression and predict aggressive behavior and poor prognosis. This review provides an overview of our current understanding of the mechanisms via which podoplanin mediates these pathological skin conditions.
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Voelker HU, Hintermeier I, Strehl A, Scheich M. Prognostic Potential of the Expression of Podoplanin (D2-40) Within Cells of Squamous Cell Carcinoma of the Larynx and Hypopharynx. World J Oncol 2020; 11:65-71. [PMID: 32284774 PMCID: PMC7141162 DOI: 10.14740/wjon1259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 02/18/2020] [Indexed: 11/11/2022] Open
Abstract
Background Podoplanin (D2-20) stains immunohistochemically lymphatic vessels, regular mesothelium and tumor cells of different tumors, e.g. malignant mesothelioma or seminoma. In squamous cell carcinoma (SCC), the marker has been described as variously expressed. Methods This study has investigated the value of the immunohistochemical analysis for the prognostic relevance of the expression in 119 SCCs of the larynx and hypopharynx. The clinical data and documentation of follow-up for at least 5 years were available. Results The collective showed the expected distribution of patient age with accentuation of the male sex and a balanced spread of tumor stages including nodal status. The immunohistochemical stain intensity (negative, weak or strong) and the distribution (equal versus focal) were evaluated. In addition, the accentuation of the staining reaction was separately examined at the border of invasion. SCCs with a strong expression of podoplanin were associated with an unfavorable prognosis. A comparison of grouped cases showed a trend emerging with borderline results (negative to weakly positive, P = 0.51; negative to strongly positive, P = 0.054; weakly positive to strongly positive, P = 0.17). The staining at the border of invasion had no statistical effect on overall survival. Multivariate survival statistics however showed that lymphonodal metastasis and a reaction with podoplanin in tumor cells are associated with significant worse prognosis. Conclusion In summary, regardless of the exact function of podoplanin in the process of cell migration and tumor progression, an immunohistochemical identification of expression in tumor cells of SCC of the larynx and hypopharynx can give additional information about the expectable prognosis.
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Affiliation(s)
- Hans-Ullrich Voelker
- Department of Pathology, Leopoldina Krankenhaus GmbH, Gustav-Adolf-Str. 8, D-97422 Schweinfurt, Germany
| | - Isabelle Hintermeier
- Department of Pathology, Leopoldina Krankenhaus GmbH, Gustav-Adolf-Str. 8, D-97422 Schweinfurt, Germany
| | - Annette Strehl
- Department of Pathology, Leopoldina Krankenhaus GmbH, Gustav-Adolf-Str. 8, D-97422 Schweinfurt, Germany
| | - Matthias Scheich
- Department of Oto-Rhino-Laryngology, Plastic, Aesthetic and Reconstructive Head and Neck Surgery, University Hospital of Wuerzburg, Josef-Schneider-Str. 2, D-97080 Wuerzburg, Germany
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4
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Immunohistochemical staining of podoplanin is helpful in determining the microinvasion of cervical squamous cell carcinoma. Ann Diagn Pathol 2020; 46:151493. [PMID: 32179442 DOI: 10.1016/j.anndiagpath.2020.151493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 02/01/2020] [Accepted: 02/25/2020] [Indexed: 12/24/2022]
Abstract
Cervical squamous cell carcinoma develops through a series of stages, including low-grade squamous intraepithelial lesions (LSIL), high-grade squamous intraepithelial lesions (HSIL), microinvasive squamous cell carcinoma (MISCC), and invasive squamous cell carcinoma (ISCC). The difference between HSIL and MISCC is the appearance of microinvasion, which determines the treatment for patients. However, sometimes it is difficult to differentiate HSIL from MISCC in morphology, and no effective markers are available to help determine microinvasion. Here, we evaluated the expression patterns of podoplanin in cervical tissues by immunohistochemistry staining. Results showed that podoplanin was specifically expressed in a continuous or discontinuous linear pattern within the basal layer of cells from normal cervical squamous epithelium (NS) (100%, 96/96) and HSIL (81%, 57/70). However, its expression was completely absent in microinvasive lesions (0%, 72/72), and the location of podoplanin expression loss was consistent with that of microinvasive lesions. Thus, for HSIL with positive podoplanin expression, the sudden loss of podoplanin represents the occurrence of early invasion. Furthermore, podoplanin was expressed in 3.4% (4/118) of ISCC, and its expression was not correlated with the age of the patient, tumor size, differentiation, FIGO stage, depth of invasion, lymph node, or distant metastasis. The prognosis of patients with positive podoplanin was slightly better than those without it (p > 0.05). Therefore, we found that podoplanin, as a new specific marker for the basal layer cells of cervical squamous epithelium, could assist the diagnosis of microinvasion in cervical squamous cell carcinoma. The specific staining pattern of podoplanin provides the possibility of clinical application in the future.
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Hashiguchi M, Masuda M, Kai K, Nakao Y, Kawaguchi A, Yokoyama M, Aishima S. Decreased cytokeratin 7 expression correlates with the progression of cervical squamous cell carcinoma and poor patient outcomes. J Obstet Gynaecol Res 2019; 45:2228-2236. [PMID: 31502345 DOI: 10.1111/jog.14108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 08/14/2019] [Indexed: 02/05/2023]
Abstract
AIM To identify potential biomarkers for tumor progression and patient outcomes in cervical squamous cell carcinoma. METHODS We examined the expressions of CK7 and CK17 as potential markers of the squamo-columnar junction, and podoplanin as a basal cell marker using surgical and biopsy samples of patients in grade 3 cervical intraepithelial neoplasia (n = 30), operable invasive carcinoma (OP group, n = 53) and inoperable invasive carcinoma before radiotherapy and/or chemotherapy (RC group, n = 76). RESULTS The positive rates of CK7 and podoplanin in invasive carcinoma were significantly lower than those in grade 3 cervical intraepithelial neoplasia (P = 0.001, P < 0.0001). The positive rates of CK7 and podoplanin in the RC group were significantly lower than those in the OP group (P < 0.0001, P = 0.04), while CK17 expression showed significantly higher positivity in the RC group than in the OP group (P < 0.0001). Negative CK7 expression showed a potential impact on overall survival in early-stage patients. In the RC group, the prevalence of cases with post-therapeutic residual carcinoma cells was higher in the CK7-negative group than in the positive group (P = 0.003). We found that decreased expression of CK7 could be a prognostic factor in early-stage cervical cancer patients. CONCLUSION This result may provide strategies and suggestions for new treatment options and follow-up practices in managing patients with cervical cancer.
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Affiliation(s)
- Mariko Hashiguchi
- Department of Pathology & Microbiology, Faculty of Medicine, Saga University, Saga, Japan.,Department of Obstetrics & Gynecology, Faculty of Medicine, Saga University, Saga, Japan
| | - Masanori Masuda
- Department of Pathology & Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Keita Kai
- Department of Pathology, Saga University Hospital, Saga, Japan
| | - Yoshifumi Nakao
- Department of Obstetrics & Gynecology, Faculty of Medicine, Saga University, Saga, Japan
| | - Atsushi Kawaguchi
- Center for Comprehensive Community Medicine, Saga University Faculty of Medicine, Saga, Japan
| | - Masatoshi Yokoyama
- Department of Obstetrics & Gynecology, Faculty of Medicine, Saga University, Saga, Japan
| | - Shinichi Aishima
- Department of Pathology & Microbiology, Faculty of Medicine, Saga University, Saga, Japan.,Department of Pathology, Saga University Hospital, Saga, Japan
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Aiswarya A, Suresh R, Janardhanan M, Savithri V, Aravind T, Mathew L. An immunohistochemical evaluation of podoplanin expression in oral leukoplakia and oral squamous cell carcinoma to explore its potential to be used as a predictor for malignant transformation. J Oral Maxillofac Pathol 2019; 23:159. [PMID: 31110440 PMCID: PMC6503797 DOI: 10.4103/jomfp.jomfp_272_17] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Background Oral leukoplakia (OL) is a potentially malignant disorder with increased risk for the development of oral squamous cell carcinoma (OSCC). Many cases of OSCC arise from the malignant transformation of preexisting OL. However, the risk of progression into OSCC and the possible prediction of malignant potential of OL remain inconclusive. Recent studies have shown that podoplanin, a mucin-like transmembrane glycoprotein specifically expressed in lymphatic endothelial cells, is expressed in various neoplasms including OSCC, indicating its possible biologic role in tumor cells. In this study, an evaluation of podoplanin expression in OL and OSCC has been carried out to assess its potential role as a biomarker to predict the possibility of malignant transformation in OL cases. Aims and Objectives To assess the usefulness of podoplanin as a potential biomarker for predicting the risk of malignant transformation in OL, by comparing its immunohistochemical expression in OL and OSCC. Materials and Methods Archival paraffin-embedded blocks of 25 OL cases with varying grades of dysplasia and 30 OSCC cases showing its varying grades were selected. Sections were subjected to immunohistochemical staining for podoplanin and compared with the control group for evaluation of results in the three groups. Results A statistically significant increase in podoplanin expression was observed from normal mucosa through OL to OSCC. In the OL cases, the podoplanin staining score progressively increased from mild dysplasia to carcinoma in situ, whereas in OSCC, well-differentiated group showed the maximum expression of podoplanin. Conclusion The progressive increase in podoplanin expression through the increasing grades of dysplasia in OL is suggestive of an increased risk for malignant transformation with increased expression of podoplanin in OL cases. A high podoplanin expression in the well-differentiated OSCC may indicate a vital role for podoplanin in the early stages of tumorigenesis.
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Affiliation(s)
- A Aiswarya
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Rakesh Suresh
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Mahija Janardhanan
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Vindhya Savithri
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Thara Aravind
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Lisha Mathew
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
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7
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Podoplanin in Inflammation and Cancer. Int J Mol Sci 2019; 20:ijms20030707. [PMID: 30736372 PMCID: PMC6386838 DOI: 10.3390/ijms20030707] [Citation(s) in RCA: 131] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 02/07/2023] Open
Abstract
Podoplanin is a small cell-surface mucin-like glycoprotein that plays a crucial role in the development of the alveoli, heart, and lymphatic vascular system. Emerging evidence indicates that it is also involved in the control of mammary stem-cell activity and biogenesis of platelets in the bone marrow, and exerts an important function in the immune response. Podoplanin expression is upregulated in different cell types, including fibroblasts, macrophages, T helper cells, and epithelial cells, during inflammation and cancer, where it plays important roles. Podoplanin is implicated in chronic inflammatory diseases, such as psoriasis, multiple sclerosis, and rheumatoid arthritis, promotes inflammation-driven and cancer-associated thrombosis, and stimulates cancer cell invasion and metastasis through a variety of strategies. To accomplish its biological functions, podoplanin must interact with other proteins located in the same cell or in neighbor cells. The binding of podoplanin to its ligands leads to modulation of signaling pathways that regulate proliferation, contractility, migration, epithelial⁻mesenchymal transition, and remodeling of the extracellular matrix. In this review, we describe the diverse roles of podoplanin in inflammation and cancer, depict the protein ligands of podoplanin identified so far, and discuss the mechanistic basis for the involvement of podoplanin in all these processes.
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8
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Podoplanin and SOX2 Expression in CIN 3-like Squamous Cell Carcinoma of the Cervix. Int J Gynecol Pathol 2018; 37:59-67. [PMID: 28319578 DOI: 10.1097/pgp.0000000000000383] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Squamous cell carcinoma (SCC) of the uterine cervix occasionally demonstrates a deceptive growth pattern that mimics endocervical crypt involvement by cervical intraepithelial neoplasia, grade 3 (CIN 3). Such CIN 3-like SCCs may be misinterpreted as noninvasive or minimally invasive leading to delays in diagnosis. Little is known of the factors that influence the growth patterns of cervical SCC but we suggested recently that CIN 3-like tumors might demonstrate "collective cellular invasion," which is characterized by a retained epithelial phenotype. This contrasts with the more overtly infiltrative growth of conventional SCC, which exhibits features suggestive of epithelial-mesenchymal transition. In the current study we investigated podoplanin (PP) and SOX2 expression in normal squamous epithelium, in CIN 3 and in 16 CIN 3-like SCCs 11 of which also showed a conventional invasive component. Compared with normal epithelium, CIN 3 often showed a focal loss of basal PP staining and most cases showed increased, typically diffuse, SOX2 expression. Although the immunohistochemical findings were not uniform, they generally supported collective cellular invasion in CIN 3-like tumor areas as these were often PP positive and showed diffuse SOX2 expression. In contrast, most conventional SCCs showed only focal SOX2 staining and they were typically negative, or only focally positive, for PP. The staining patterns did not reliably distinguish CIN 3 from CIN 3-like SCC. Small infiltrative tumor nests around the margins of CIN 3 or deeply invasive CIN 3-like SCC often showed a localized reduction in SOX2 expression suggesting SOX2 downregulation during the transition to invasive growth.
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Lin J, Lu J, Wang C, Xue X. The prognostic values of the expression of Vimentin, TP53, and Podoplanin in patients with cervical cancer. Cancer Cell Int 2017; 17:80. [PMID: 28912668 PMCID: PMC5590120 DOI: 10.1186/s12935-017-0450-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 09/03/2017] [Indexed: 12/23/2022] Open
Abstract
Purpose Epithelial–mesenchymal transition (EMT), TP53, and Podoplanin have been implicated in the tumorigenesis and metastasis of human cancers. Nevertheless, the clinical significance of these markers in cancer patients is still not clear. In this study, we sought to determine the prognostic values of Vimentin, TP53, and Podoplanin in patients with cervical cancer. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analysis were performed to determine the messenger RNA and protein expression levels of Vimentin, TP53, and Podoplanin, respectively, in cervical squamous cell carcinoma and adjacent normal cervical tissues. Additionally, the expression levels of Podoplanin were also measured in 130 cervical cancer patients (FIGO stages Ib1–IIa2) using immunohistochemistry (IHC) staining. Results The mRNA expression levels of Vimentin, TP53, and Podoplanin were considerably elevated in cervical cancer tissues, compared with those in the adjacent normal cervical tissues. Additionally, the protein expression levels of Vimentin were closely correlated with the age of onset (P = 0.007), lymph node metastasis (P = 0.007), lymphatic invasion (P = 0.024), disease recurrence (P < 0.001), and the clinical prognosis of patients with cervical cancer (P < 0.001). Our multivariate analysis also suggests that Vimentin is an independent marker for survival in cervical cancer patients. Furthermore, the expression levels of Vimentin are negatively correlated with the proliferation marker Ki67 expression. Conclusions Our data show that Vimentin can serve as an independent prognostic marker for cervical cancer patients with primary surgery. Registration number ChiCTR-TRC-06000236 Registered 15 December 2006
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Affiliation(s)
- Jiaying Lin
- Department of Assisted Reproduction, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011 China
| | - Jiaqi Lu
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, 419 Fangxie Road, Shanghai, 200011 China
| | - Chao Wang
- Department of Pathology, Obstetrics and Gynecology Hospital, Fudan University, 419 Fangxie Road, Shanghai, 200011 China
| | - Xiaohong Xue
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, 419 Fangxie Road, Shanghai, 200011 China
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Liu HT, Xing AY, Chen X, Ma RR, Wang YW, Shi DB, Zhang H, Li P, Chen HF, Li YH, Gao P. MicroRNA-27b, microRNA-101 and microRNA-128 inhibit angiogenesis by down-regulating vascular endothelial growth factor C expression in gastric cancers. Oncotarget 2016; 6:37458-70. [PMID: 26460960 PMCID: PMC4741941 DOI: 10.18632/oncotarget.6059] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Accepted: 09/23/2015] [Indexed: 01/30/2023] Open
Abstract
Vascular Endothelial Growth Factor C (VEGF-C) has critical roles in angiogenesis in human cancers; however, the underlying mechanisms regulating VEGF-C expression remain largely unknown. In the present study, VEGF-C protein expression and the density of blood vessels or lymphatic vessels were determined by immunohistochemistry in 103 cases of gastric cancer tissues. Suppression of VEGF-C by miR-27b, miR-101 and miR-128 was investigated by luciferase assays, Western blot and ELISA. The miRNAs expression levels were detected in human gastric cancers by real-time quantitative PCR. Cell proliferation, migration and invasion assays were performed to assess the effect of miRNAs on gastric cancer cells and human umbilical vascular endothelial cells (HUVECs). Our data showed that high VEGF-C expression was significantly associated with increased tumor size, advanced TNM classification and clinical stage, higher microvessel density (MVD) and lymphatic density (LVD), as well as poor survival in patients with gastric cancer. Furthermore, VEGF-C was found to be a direct target gene of miR-27b, miR-101, and miR-128. The expression levels of the three miRNAs were inversely correlated with MVD. Overexpression of miR-27b, miR-101, or miR-128 suppressed migration, proliferation activity, and tube formation in HUVECs by repressing VEGF-C secretion in gastric cancer cells. We conclude that miR-27b, miR-101 and miR-128 inhibit angiogenesis by down-regulating VEGF-C expression in gastric cancers.
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Affiliation(s)
- Hai-Ting Liu
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Ai-Yan Xing
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Xu Chen
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Ran-Ran Ma
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Ya-Wen Wang
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Duan-Bo Shi
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Hui Zhang
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Peng Li
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
| | - Hong-Fang Chen
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China.,Department of Pathology, Qingzhou Center Hospital, Weifang, P.R. China
| | - Yu-Hong Li
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China.,Department of Pathology, Liaocheng Peoples Hospital, Liaocheng, P.R. China
| | - Peng Gao
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, P.R. China
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Immunohistochemical Expression of VEGF and Podoplanin in Uterine Cervical Squamous Intraepithelial Lesions. DISEASE MARKERS 2016; 2016:8293196. [PMID: 27313335 PMCID: PMC4895031 DOI: 10.1155/2016/8293196] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 04/11/2016] [Accepted: 04/12/2016] [Indexed: 01/19/2023]
Abstract
VEGF and podoplanin (PDPN) have been identified as angiogenesis and/or lymphangiogenesis regulators and might be essential to restrict tumor growth, progression, and metastasis. In the present study, we evaluate the association between the expression of these markers and CIN grade. Immunohistochemistry was performed in 234 uterine cervical samples using conventional histologic sections or TMA with the monoclonal antibodies to VEGF (C-1 clone) and podoplanin (D2-40 clone). Positive-staining rates of VEGF in 191 CIN specimens were significantly associated with histological grade (P < 0.001). Negative and/or focal immunostaining for PDPN were more frequent in CIN 3 (P = 0.016). We found that patients with CIN 3 more frequently had strong and more diffuse staining for VEGF and diminished staining for PDPN (P = 0.018). Strong and more diffuse VEGF immunoexpressions in CIN 2 and CIN 3 were detected when compared to CIN 1. Negative and/or focal PDPN immunoexpression appear to be more frequent in CIN 3. Moderate to strong VEGF expression may be a tendency among patients with high-grade lesions and diminished PDPN expression.
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The presence of extensive retraction clefts in invasive breast carcinomas correlates with lymphatic invasion and nodal metastasis and predicts poor outcome: a prospective validation study of 2742 consecutive cases. Am J Surg Pathol 2015; 39:325-37. [PMID: 25353283 DOI: 10.1097/pas.0000000000000339] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We previously reported that the presence of extensive retraction clefts (RC) in breast cancers correlates with increasing tumor size and grade as well as lymphatic tumor spread and predicts poor outcome. This study is a prospective validation of our prior results. Consecutive cases of invasive breast carcinoma (n=2742) were reviewed to determine the diagnoses, including histologic type, grade, presence of lymphovascular invasion (LVI), and extent of RC. No differences were found in the extent of RC between corresponding core needle biopsy and surgical samples. Extent of RC showed a significant correlation with tumor size, grade, LVI, and nodal metastasis in both core needle biopsy and surgical specimens. These associations remained significant in subset analyses of small (≤1 cm), node-negative and node-positive tumors. Extensive RC predicted poor recurrence-free (P<0.0001) and overall (P<0.0001) survival and remained significant in subset analyses of node-negative (P=0.0015 and 0.0021, respectively) and node-positive (P=0.0039 and 0.0214, respectively) cases. Carcinomas without LVI but extensive RC were associated with better outcome than carcinomas with LVI but worse than those without LVI and low RC. This prospective study confirms that the presence of extensive RC in invasive breast carcinomas correlates with aggressive tumor features and lymphatic tumor spread. Extensive RC appears to be an independent factor predictive of poor outcome in node-negative and node-positive disease. Our results support the hypothesis that RCs are the morphologic reflection of biological changes in tumor cells playing a role in lymphatic tumor spread and likely represent an early stage of LVI with similar clinical implications.
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Němejcová K, Cibula D, Dundr P. Expression of HNF-1β in cervical carcinomas: an immunohistochemical study of 155 cases. Diagn Pathol 2015; 10:8. [PMID: 25884453 PMCID: PMC4428247 DOI: 10.1186/s13000-015-0245-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 03/09/2015] [Indexed: 11/30/2022] Open
Abstract
Background HNF-1β is a commonly used marker in the differential diagnosis of clear cell carcinoma of the ovary and endometrium. Recent studies have found HNF-1β expression to a lesser extent in other ovarian and endometrial tumors including endometrioid, mucinous and, rarely, serous carcinoma. Regarding cervical carcinoma, HNF-1β expression has been mentioned exceptionally in mesonephric and some other types of adenocarcinoma. However, a systematic analysis of HNF-1β expression in cervical carcinomas has not been performed to date. Methods We analyzed HNF-1β expression in 155 cervical carcinomas (including 56 adenocarcinomas, 85 squamous cell carcinomas and 14 undifferentiated carcinomas). Expression of HNF-1β was correlated with the expression of other markers including estrogen receptors, progesterone receptors, CEA, p63, p40, p16, and D2-40. Results Adenocarcinomas showed expression of HNF-1β in 42/56 cases (75%), CEA in 48/56 cases (85.7%), p63 in 4/56 cases (7.2%), p40 in 2/56 cases (3.6%), estrogen receptors in 9/56 cases (16.1%), progesterone receptors in 5/56 cases (8.9%), p16 in 56/56 (100%) cases, and D2-40 in 0/56 cases (0%). Squamous cell carcinomas showed expression of HNF-1β in 2/85 cases (2.35%), CEA in 77/85 cases (90.6%), p63 and p40 in 85/85 cases (100%), estrogen receptors in 9/85 cases (10.6%), progesterone receptors in 1/85 cases (1.2%), p16 in 84/85 cases (98.8%), and D2-40 in 45/84 cases (53.6%). Undifferentiated carcinomas showed expression of HNF-1β in 2/14 cases (14.3%), CEA in 8/14 cases (57.1%), p16 in 14/14 cases (100%), hormone receptors in 0/13 cases (0%), p63 in 7/14 cases (50%), p40 in 5/14 cases (35.7%), and D2-40 in 1/14 cases (7.1%). Conclusions In cervical carcinoma, expression of HNF-1β is mostly restricted to adenocarcinomas and can be used as an auxiliary adenocarcinoma marker in the differential diagnosis of poorly differentiated cervical carcinomas. HNF-1β as an adenocarcinoma marker and p63/p40 and D2-40 as a squamous cell carcinoma markers are highly specific with variable sensitivity. Optimal results can be achieved using these markers in a panel. Virtual Slides The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1348836442160205.
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Affiliation(s)
- Kristýna Němejcová
- Department of Pathology, First Faculty of Medicine and General University Hospital, Charles University in Prague, Studnickova 2, Prague 2, 12800, Czech Republic.
| | - David Cibula
- Oncogynecological Centre, Department of Obstetrics and Gynecology, First Faculty of Medicine and General University Hospital, Charles University in Prague, Studnickova 2, Prague 2, 12800, Czech Republic.
| | - Pavel Dundr
- Department of Pathology, First Faculty of Medicine and General University Hospital, Charles University in Prague, Studnickova 2, Prague 2, 12800, Czech Republic.
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Renart J, Carrasco-Ramírez P, Fernández-Muñoz B, Martín-Villar E, Montero L, Yurrita MM, Quintanilla M. New insights into the role of podoplanin in epithelial-mesenchymal transition. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2015; 317:185-239. [PMID: 26008786 DOI: 10.1016/bs.ircmb.2015.01.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Podoplanin is a small mucin-like transmembrane protein expressed in several adult tissues and with an important role during embryogenesis. It is needed for the proper development of kidneys and lungs as well as accurate formation of the lymphatic vascular system. In addition, it is involved in the physiology of the immune system. A wide variety of tumors express podoplanin, both in the malignant cells and in the stroma. Although there are exceptions, the presence of podoplanin results in poor prognosis. The main consequence of forced podoplanin expression in established and tumor-derived cell lines is an increase in cell migration and, eventually, the triggering of an epithelial-mesenchymal transition, whereby cells acquire a fibroblastoid phenotype and increased motility. We will examine the current status of the role of podoplanin in the induction of epithelial-mesenchymal transition as well as the different interactions that lead to this program.
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Affiliation(s)
- Jaime Renart
- Instituto de Investigaciones Biomédicas Alberto Sols, CSIC-UAM, Madrid, Spain
| | | | | | - Ester Martín-Villar
- Instituto de Investigaciones Biomédicas Alberto Sols, CSIC-UAM, Madrid, Spain
| | - Lucía Montero
- Instituto de Investigaciones Biomédicas Alberto Sols, CSIC-UAM, Madrid, Spain
| | - María M Yurrita
- Instituto de Investigaciones Biomédicas Alberto Sols, CSIC-UAM, Madrid, Spain
| | - Miguel Quintanilla
- Instituto de Investigaciones Biomédicas Alberto Sols, CSIC-UAM, Madrid, Spain
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15
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de Vicente JC, Santamarta TR, Rodrigo JP, García-Pedrero JM, Allonca E, Blanco-Lorenzo V. Expression of podoplanin in the invasion front of oral squamous cell carcinoma is not prognostic for survival. Virchows Arch 2015; 466:549-58. [PMID: 25726183 DOI: 10.1007/s00428-015-1746-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 01/15/2015] [Accepted: 02/17/2015] [Indexed: 01/25/2023]
Abstract
Podoplanin is involved in actin remodeling of the cytoskeleton of tumor cells and may promote tumor cell invasion by increasing cell motility and formation of filopodia-like membrane protrusions. Podoplanin is expressed in a variety of tumors, but its role in head and neck cancer, particularly in oral squamous cell carcinoma, remains unclear. We studied podoplanin expression by immunohistochemistry in 92 oral squamous cell carcinomas (OSCC) using a monoclonal antibody against an epitope of podoplanin (D2-40). In terms of the number of stained cells, 34 OSCC (38 %) had low podoplanin expression (less than 33 % of cells), 33 (36 %) showed moderate expression (between 34 and 66 % of cells), and 21 (22 %) showed high expression. The intensity of immunostaining was strong in 26 (28 %) cases, moderate in 36 (40 %), and weak or negative in the remaining 30 tumors (32 %). Immunohistochemical expression of podoplanin was associated with a tumor histological grade. A diffuse pattern of podoplanin expression significantly decreased in moderately differentiated (37 %) and poorly differentiated (20 %) carcinomas compared to well-differentiated (43 %) carcinomas. In addition, the focal expression of podoplanin in the invasion front of the tumor, without expression in the tumor center, was observed in 72 % of well-differentiated tumors, 27 % of moderate tumors, and 0 % of poorly differentiated tumors. Moreover, a trend was found toward an association of diffuse podoplanin staining with the development of second primary carcinomas (13 %), in contrast to its expression in the invasion front (3 %). No association was observed between podoplanin expression and nodal metastasis.
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Affiliation(s)
- Juan Carlos de Vicente
- Department of Oral and Maxillofacial Surgery, Hospital Universitario Central de Asturias (HUCA), C/Carretera de Rubín, s/n, 33011, Oviedo, Asturias, Spain,
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16
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Wakisaka N, Yoshida S, Kondo S, Kita M, Sawada-Kitamura S, Endo K, Tsuji A, Nakanish Y, Murono S, Yoshizaki T. Induction of epithelial-mesenchymal transition and loss of podoplanin expression are associated with progression of lymph node metastases in human papillomavirus-related oropharyngeal carcinoma. Histopathology 2014; 66:771-80. [DOI: 10.1111/his.12496] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 07/06/2014] [Indexed: 02/05/2023]
Affiliation(s)
- Naohiro Wakisaka
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Shinya Yoshida
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Satoru Kondo
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Makiko Kita
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Seiko Sawada-Kitamura
- Division of Human Pathology; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Kazuhira Endo
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Akira Tsuji
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Yosuke Nakanish
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Shigeyuki Murono
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
| | - Tomokazu Yoshizaki
- Division of Otolaryngology-Head and Neck Surgery; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
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17
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Podoplanin: a novel regulator of tumor invasion and metastasis. Med Oncol 2014; 31:24. [PMID: 25142945 DOI: 10.1007/s12032-014-0024-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 05/05/2014] [Indexed: 12/17/2022]
Abstract
Podoplanin, a small mucin-type sialoglycoprotein, was recently shown to be involved in tumor progression. Podoplanin is overexpressed in cancer cells of various human malignancies, and recently, it is also detected in intratumoral stromal cells. We now appreciate that podoplanin plays a dual role in cancer: it can not only suppress tumor growth but also promote tumor progression. Researchers have identified several potential pathways invoked by podoplanin, which participate in the epithelial-to-mesenchymal transition, collective-cell migration, platelet activation and aggregation, and lymphangiogenesis, and thus regulate the tumor invasion and metastasis. Here, we discuss the current experimental and human clinical data on podoplanin to validate the multiple context-dependent functions in different microenvironments and to delineate the diverse regulatory mechanisms.
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Hong MC, Long CY, Tian YF, Wu MP. Her-2/neu overexpression is associated with thrombospondin-1-related angiogenesis and thrombospondin-1-unrelated lymphangiogenesis in breast cancer. Gynecol Minim Invasive Ther 2013. [DOI: 10.1016/j.gmit.2013.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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19
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Li C, Fan J, Song X, Zhang B, Chen Y, Li C, Mi K, Ma H, Song Y, Tao X, Li G. Expression of angiopoietin-2 and vascular endothelial growth factor receptor-3 correlates with lymphangiogenesis and angiogenesis and affects survival of oral squamous cell carcinoma. PLoS One 2013; 8:e75388. [PMID: 24040410 PMCID: PMC3770542 DOI: 10.1371/journal.pone.0075388] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 08/15/2013] [Indexed: 12/03/2022] Open
Abstract
Background Both Ang-2 and VEGFR-3 are major regulators of angiogenesis and lymphangiogenesis, respectively, and thus may affect prognosis of OSCC. We sought to determine the associations between Ang-2 and VEGFR-3 expression and survival of OSCC. Methods Ang-2 and VEGFR-3 expression was determined immunohistochemically in tumor tissues from 112 patients with OSCC; OSCC-adjacent noncancerous oral tissue from 85 OSCC patients; and normal oral mucosa from 37 cancer-free individuals. A log-rank test and Cox proportional hazard models were used to compare survival among different groups with expression of Ang-2 and VEGFR-3. Results Ang-2 and VEGFR-3 expression was upregulated in OSCC compared to nontumor tissue (all P<0.05). High Ang-2 expression positively correlated with microvessel density (MVD) (P<0.01), and high VEGFR-3 expression positively correlated with lymph node metastasis (P<0.01) and lymphatic vessel density (LVD) (P<0.01). The patients with high expression of Ang-2 alone or in combination with VEGFR-3 had a significantly worse survival than in patients with low expression of Ang-2 or any other co-expression status (all P<0.05), respectively. Furthermore, multivariable analysis showed that patients with high expression of Ang-2 alone or in combination with VEGFR-3 had a significantly increased risk of death compared with those with low expression of Ang-2 or any other co-expression status (HR, 2.7, 95% CI, 1.1–6.2 and 5.0, 1.3–15.4, respectively). Conclusions These results suggest that increased expression in tumors of Ang-2 may individually, or in combination with VEGFR-3, predict poor prognosis of OSCC.
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Affiliation(s)
- Chao Li
- Department of Head and Neck Surgery, Sichuan Cancer Hospital, Chengdu, China
- State Key Laboratory of Oral Diseases in Sichuan University, Sichuan, China
| | - Jinchuan Fan
- Department of Head and Neck Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Xicheng Song
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Bing Zhang
- Department of Head and Neck Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Yu Chen
- State Key Laboratory of Oral Diseases in Sichuan University, Sichuan, China
| | - Chunhua Li
- Department of Head and Neck Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Kun Mi
- Department of Head and Neck Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Hong Ma
- Department of Oral and Maxillary Surgery, the Affiliated Hospital of Guiyang Medical College, Guiyang, China
| | - Yufeng Song
- Department of Oral and Maxillary Surgery, the Affiliated Hospital of Guiyang Medical College, Guiyang, China
| | - Xiaofeng Tao
- Radiology Department of Shanghai Ninth People's Hospital Affiliated Shanghai JIaoTong University School of Medicine, Shanghai, China
- * E-mail: (GJL); cjr.taoxiaofeng.@vip.163.com (XFT)
| | - Guojun Li
- Department of Head and Neck Surgery, U.T. M.D. Anderson Cancer Center, Houston, Texas, United States of America
- * E-mail: (GJL); cjr.taoxiaofeng.@vip.163.com (XFT)
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Targeting therapy of hepatocellular carcinoma with doxorubicin prodrug PDOX increases anti-metastatic effect and reduces toxicity: a preclinical study. J Transl Med 2013; 11:192. [PMID: 23961994 PMCID: PMC3765954 DOI: 10.1186/1479-5876-11-192] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Accepted: 08/16/2013] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND This study was to investigate the effects and safety of cathepsin B-cleavable doxorubicin (DOX)-prodrug (PDOX) for targeting therapy of metastatic human hepatocellular carcinoma (HCC) using DOX as a positive control drug. METHODS The orthotopic nude mice model of highly metastatic HCC was established and the animals were randomized and treated with PDOX, DOX and saline, respectively. Hematology, biochemistry and tumor markers were studied. At autopsy, liver tumor weight and size, ascites, abdominal lymph nodes metastases, experimental peritoneal carcinomatosis index (ePCI), and tumor-host body weight ratio were investigated. Immunohistochemical studies and western blotting were done to investigate key molecules involved in the mechanism of action. RESULTS Compared with Control, both PDOX and DOX could similarly and significantly reduce liver tumor weight and tumor volume by over 40%, ePCI values, retroperitoneal lymph node metastases and lung metastases and serum AFP levels (P < 0.05). The PDOX group had significantly higher WBC than the DOX group (P < 0.05), and higher PLT than Control (P < 0.05). Serum BUN and Cr levels were lower in the PDOX group than DOX and Control groups (P < 0.05). Compared with Control, DOX increased CK and CK-MB; while PDOX decreased CK compared with DOX (P < 0.05). Multiple spotty degenerative changes of the myocardium were observed in DOX-treated mice, but not in the Control and PDOX groups. PDOX could significantly reduce the Ki-67 positive rate of tumor cells, compared with DOX and Control groups. PDOX produced the effects at least via the ERK pathway. CONCLUSION Compared with DOX, PDOX may have better anti-metastatic efficacy and reduced side effects especially cardio-toxicities in this HCC model.
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21
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Cai L, Yang S, Ding H, Cai J, Wang Z. Tumor-associated lymphatic endothelial cell promotes invasion of cervical cancer cells. APMIS 2013; 121:1162-8. [PMID: 23566114 DOI: 10.1111/apm.12068] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Accepted: 02/11/2013] [Indexed: 11/29/2022]
Affiliation(s)
- Liqiong Cai
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Shouhua Yang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Hui Ding
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Jing Cai
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Zehua Wang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
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22
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Pula B, Witkiewicz W, Dziegiel P, Podhorska-Okolow M. Significance of podoplanin expression in cancer-associated fibroblasts: a comprehensive review. Int J Oncol 2013; 42:1849-57. [PMID: 23588876 DOI: 10.3892/ijo.2013.1887] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 03/14/2013] [Indexed: 11/05/2022] Open
Abstract
Cancer-associated fibroblasts (CAFs) are well-known to be part of the tumor microenvironment. This heterogeneous population of cells of the tumor microenvironment via secretion of various growth factors and cytokines was shown to contribute to increased cancer cell proliferation rate, migration, invasiveness and other key processes such as angiogenesis and lymphangiogenesis. Recent studies identified podoplanin as a marker of CAFs in various malignancies and its expression in these cells was shown to influence cancer progression. In some studies it yielded a prognostic impact on patient survival which was strongly dependent on the entity of the tumor. This review summarizes recent findings concerning the biology of podoplanin in cancer progression with particular emphasis on its expression in CAFs.
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Affiliation(s)
- Bartosz Pula
- Regional Specialist Hospital, Research and Development Center, 51-124 Wroclaw, Poland
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23
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Wu HM, Ren GX, Wang LZ, Zhang CY, Chen WT, Guo W. Expression of podoplanin in salivary gland adenoid cystic carcinoma and its association with distant metastasis and clinical outcomes. Mol Med Rep 2012; 6:271-4. [PMID: 22580922 PMCID: PMC3493060 DOI: 10.3892/mmr.2012.911] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Accepted: 04/12/2012] [Indexed: 11/16/2022] Open
Abstract
Distant metastasis is a common cause of mortality in patients with salivary gland adenoid cystic carcinoma (SACC). However, presently, the development of distant metastasis is unable to be predicted in clinical practice. Recent studies have shown that overexpression of podoplanin is associated with metastasis and survival in patients with several cancer types. The purpose of the present study was to determine whether podoplanin is overexpressed in SACC and whether such overexpression is associated with distant metastasis and survival. Podoplanin expression was determined using immunohistochemistry (IHC) in tumors from 40 SACC patients. The expression status was analyzed in regards to patient clinicopathological parameters and survival rates. Overexpression of podoplanin was detected in 13 (32.5%) of the 40 tumors. Overexpression was significantly associated with disease-free survival (P=0.025) and distant metastasis (P=0.015), although it was not associated with recurrence and overall survival. In conclusion, podoplanin is overexpressed in a subset of SACCs and may be a biomarker predicting distant metastasis in patients with SACC.
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Affiliation(s)
- He-Ming Wu
- Department of Oral and Maxillofacial - Head and Neck Oncology, Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, PR China
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24
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Toll A, Gimeno-Beltrán J, Ferrandiz-Pulido C, Masferrer E, Yébenes M, Jucglà A, Abal L, Martí RM, Sanmartín O, Baró T, Casado B, Gandarillas A, Barranco C, Costa I, Mojal S, García-Patos V, Pujol RM. D2-40 immunohistochemical overexpression in cutaneous squamous cell carcinomas: a marker of metastatic risk. J Am Acad Dermatol 2012; 67:1310-8. [PMID: 22521203 DOI: 10.1016/j.jaad.2012.03.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2011] [Revised: 03/06/2012] [Accepted: 03/08/2012] [Indexed: 01/05/2023]
Abstract
BACKGROUND Approximately 4% of cutaneous squamous cell carcinomas (cSCCs) develop lymphatic metastases. The value of lymphatic endothelial markers to enhance the detection of lymphatic tumor invasion in cSCC has not been assessed previously. OBJECTIVE We sought to evaluate the use of the antibody D2-40, a podoplanin immunohistochemical marker, to identify tumor lymph vessel invasion in cSCC and to assess its expression in tumor cells. METHODS This was a retrospective case-control study. A series of 101 cSCC, including 51 cases that developed lymphatic metastatic spread (metastasizing cSCC [MSCC]) and 50 cases that resolved definitely after surgical excision (non-MSCC) were included in the study. Lymph vessel invasion using D2-40 was evaluated on all primary biopsy specimens. The percentage of tumor cells showing D2-40 positivity and intensity scoring were recorded. All the immunohistochemical findings were correlated with the clinicopathological features. RESULTS Lymph vessel invasion was observed in 8% of non-MSCCs and in 25.5% of MSCCs (P = .031). D2-40 expression was significantly increased, both in intensity (odds ratio 4.42 for intensity ++/+++) and in area (odds ratio 2.29 for area >10%), in MSCC when compared with non-MSCC. Interestingly, almost half (49%) of the MSCC had moderate to intense D2-40 positivity compared with 16% of non-MSCC. D2-40 immunohistochemical expression was increased in tumors with an infiltrative pattern of extension. In the multivariate analysis, histologically poorly differentiated tumors, recurrent lesions, and cSCC showing D2-40 overexpression (in intensity) were significantly associated with lymphatic metastases development (odds ratios 15.67, 14.72, and 6.07, respectively). LIMITATIONS This was a retrospective study. CONCLUSION The expression of podoplanin associates with high metastatic risk in cSCC.
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Affiliation(s)
- Agustí Toll
- Department of Dermatology, Hospital del Mar, Parc de Salut Mar, Barcelona, Spain.
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Clinicopathological significance of lymphatic vessel density marked by D2-40 and E-cadherin expression in non-small-cell lung cancer. Med Oncol 2012; 29:3157-61. [DOI: 10.1007/s12032-012-0229-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 03/21/2012] [Indexed: 11/26/2022]
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Tsuneki M, Maruyama S, Yamazaki M, Cheng J, Saku T. Podoplanin expression profiles characteristic of odontogenic tumor-specific tissue architectures. Pathol Res Pract 2012; 208:140-6. [PMID: 22326634 DOI: 10.1016/j.prp.2011.12.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 11/25/2011] [Accepted: 12/26/2011] [Indexed: 10/14/2022]
Abstract
Podoplanin, a representative immunohistochemical marker for lymphatic endothelial cells, is also expressed in many other kinds of cancer cells, although its pathophysiological function is largely unknown. Our aim was to determine immunolocalization modes of podoplanin among odontogenic tumors to discuss possible roles of podoplanin in their characteristic tissue architecture formation. Immunohistochemical profiles of podoplanin were investigated in 40 surgical specimens from ameloblastoma (AM), adenomatoid odontogenic tumor (AOT), calcifying cystic odontogenic tumor (CCOT), and keratocystic odontogenic tumor (KCOT) in comparison with those of proliferating cell nuclear antigen (PCNA), integrin β1, fibronectin, and matrix metalloproteinase 9 (MMP-9). Podoplanin was localized in the basal cell layer or in the peripheral zone of AM foci. It was found in spindle-shaped tumor cells of AOT, in both the basal and polyhedral cells of CCOT, and in the basal and parabasal cells of KCOT linings. Podoplanin-positive (+) cells were located within areas of PCNA+ cells, and integrin β1 was localized in the cell membrane of podoplanin+ cells in the intercellular space where fibronectin and MMP-9 were deposited. In conclusion, podoplanin+ cells and areas in odontogenic tumors are in close associations with extracellular matrix signalings as well as cell proliferation.
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Affiliation(s)
- Masayuki Tsuneki
- Division of Oral Pathology, Department of Tissue Regeneration and Reconstruction, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Identification of CD146 expression, angiogenesis, and lymphangiogenesis as progression, metastasis, and poor-prognosis related markers for gallbladder adenocarcinoma. Tumour Biol 2011; 33:173-82. [PMID: 22076922 DOI: 10.1007/s13277-011-0260-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Accepted: 10/25/2011] [Indexed: 12/16/2022] Open
Abstract
Gallbladder cancers (GBC) are associated with high disease-specific mortality rates because of no means of early detection and effective therapies. In this study, we investigated CD146 expression, microvessel densities, and lymph vessel densities in 108 adenocarcinomas, 15 gallbladder polyps, 35 chronic cholecystitis tissues, and 46 peritumoral tissues using immunohistochemistry. We demonstrated that positive CD146 expression, and average microvessel and lymph vessel counts in gallbladder adenocarcinomas were significantly higher than those in peritumoral tissues, polyps, and chronic cholecystitis (ps < 0.01). Positive CD146 expression, and average microvessel and lymph vessel counts were also significantly lower in cases with well-differentiated adenocarcinoma, maximal tumor diameter <2 cm, no metastasis of lymph node, and no invasion of regional tissues than in cases with poorly differentiated adenocarcinoma, maximal tumor diameter ≥ 2 cm, metastasis in lymph nodes, and invasion of regional tissues (p < 0.05 or p < 0.01). Univariate Kaplan-Meier analysis showed that increased expression of CD146 (p = 0.056), higher average microvessel counts (p < 0.05), and lymph vessel counts (p < 0.05) were associated with decreased overall survival. Multivariate Cox regression analysis showed that average microvessel and lymph vessel counts (ps < 0.05) were independent prognostic predictors in gallbladder adenocarcinoma. Our study suggested that the elevated expression of CD146, angiogenesis, and lymphangiogenesis might be closely related to progression, invasion, metastasis, and prognosis of gallbladder adenocarcinoma.
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Balsat C, Blacher S, Signolle N, Beliard A, Munaut C, Goffin F, Noel A, Foidart JM, Kridelka F. Whole slide quantification of stromal lymphatic vessel distribution and peritumoral lymphatic vessel density in early invasive cervical cancer: a method description. ISRN OBSTETRICS AND GYNECOLOGY 2011; 2011:354861. [PMID: 21876817 PMCID: PMC3163137 DOI: 10.5402/2011/354861] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Accepted: 06/20/2011] [Indexed: 11/23/2022]
Abstract
Peritumoral Lymphatic Vessel Density (LVD) is considered to be a predictive marker for the presence of lymph node metastases in cervical cancer. However, when LVD quantification relies on conventional optical microscopy and the hot spot technique, interobserver variability is significant and yields inconsistent conclusions. In this work, we describe an original method that applies computed image analysis to whole slide scanned tissue sections following immunohistochemical lymphatic vessel staining. This procedure allows to determine an objective LVD quantification as well as the lymphatic vessel distribution and its heterogeneity within the stroma surrounding the invasive tumor bundles. The proposed technique can be useful to better characterize lymphatic vessel interactions with tumor cells and could potentially impact on prognosis and therapeutic decisions.
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Affiliation(s)
- C Balsat
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA-Cancer), University of Liège, Pathology Tower (B23), 4000 Liège, Belgium
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Han H, Yang Y, Lu Z, He Q, Lin Z. Decreased D2-40 and increased p16INK4A immunoreactivities correlate with higher grade of cervical intraepithelial neoplasia. Diagn Pathol 2011; 6:59. [PMID: 21729305 PMCID: PMC3157410 DOI: 10.1186/1746-1596-6-59] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Accepted: 07/05/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND D2-40 has been shown a selective marker for lymphatic endothelium, but also shown in the benign cervical basal cells. However, the application of D2-40 immunoreactivity in the cervical basal cells for identifying the grade of cervical intraepithelial neoplasia (CIN) has not been evaluated. METHODS In this study, the immunoreactive patterns of D2-40, compared with p16(INK4A), which is currently considered as the useful marker for cervical cancers and their precancerous diseases, were examined in total 125 cervical specimens including 32 of CIN1, 37 of CIN2, 35 of CIN3, and 21 of normal cervical tissue. D2-40 and p16(INK4A) immunoreactivities were scored semiquantitatively according to the intensity and/or extent of the staining. RESULTS Diffuse D2-40 expression with moderate-to-strong intensity was seen in all the normal cervical epithelia (21/21, 100%) and similar pattern of D2-40 immunoreactivity with weak-to-strong intensity was observed in CIN1 (31/32, 97.2%). However, negative and/or focal D2-40 expression was found in CIN2 (negative: 20/37, 54.1%; focal: 16/37, 43.2%) and CIN3 (negative: 22/35, 62.8%; focal: 12/35, 34.3%). On the other hand, diffuse immunostaining for p16(INK4A) was shown in 37.5% of CIN1, 64.9% of CIN2, and 80.0% of CIN3. However, the immunoreactive pattern of D2-40 was not associated with the p16(INK4A) immunoreactivity. CONCLUSIONS Immunohistochemical analysis of D2-40 combined with p16(INK4A) may have a significant implication in clinical practice for better identifying the grade of cervical intraepithelial neoplasia, especially for distinguishing CIN1 from CIN2/3.
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Affiliation(s)
- Hongxiu Han
- Department of Pathology, People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, China.
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Mediastinal lymphangioma and generalized lymphangiomatosis a case report. Open Med (Wars) 2011. [DOI: 10.2478/s11536-011-0009-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractLymphangioma is a malformation composed of a mass of dilated lymph vessels typically found in the cervical region in children. Mediastinal lymphangioma is a rare condition and accounts for 0.01% to 4.5% of all mediastinal tumors. Only 4 cases of mediastinal lymphangioma involving the heart and great vessels in adults have been described in the available literature. Extremely rarely, lymphangiomas occur as a generalized lymphangiomatosis. We present a case of a woman who coughed up small amounts of fresh blood during 6 months and showed signs of cardiac failure. Several years previously, the patient underwent surgical removal of cystic lymphangiomas from the left ovary, both fallopian tubes and small intestine. A chest radiograph showed an 8-cm round shadow located in the middle lobe. A computerized tomography (CT) scan of the chest with contrast verified the existence of a cyst in the anterior mediastinum. The radiologist suggested that the cyst could have originated in the pericardium. One small cyst also appeared in the projection of the left cardiophrenic sinus. A CT scan with contrast of the patient’s abdomen showed multiple cystic formations in the liver, spleen, kidneys, and left parapelvic region. A fine-needle biopsy of the mediastinal tumor verified the cystic lymphangioma, which was then completely removed surgically. A pathohistological examination confirmed the existence of cystic lymphangioma. The patient was discharged after a period of recovery.
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Funayama A, Cheng J, Maruyama S, Yamazaki M, Kobayashi T, Syafriadi M, Kundu S, Shingaki S, Saito C, Saku T. Enhanced expression of podoplanin in oral carcinomas in situ and squamous cell carcinomas. Pathobiology 2011; 78:171-80. [PMID: 21613804 DOI: 10.1159/000324926] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Accepted: 02/08/2011] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE Podoplanin, a known lymphatic endothelial cell marker, has been reported to be expressed in various types of cancer. To elucidate the expression of podoplanin in precancerous lesions, we examined the immunohistochemical profiles of podoplanin in oral squamous epithelial lesions. METHOD We studied a total of 298 foci of squamous cell carcinoma (SCC), carcinoma in situ (CIS), epithelial dysplasia, and hyperplastic and/or normal epithelial lesions by immunohistochemistry using D2-40. RESULTS There was no positivity for podoplanin in normal or hyperplastic epithelia, while all of the CIS and SCC foci stained positive. Approximately one third of the mild dysplasia foci (10 of 36 foci, 28%) and 80% of moderate dysplasia foci (78/98) showed grade 1 positive reactions (positive only in the 1st layer). Grade 2 reactions (up to 4th layer) were seen in 4 of 98 moderate dysplasia foci (4%), 29 of 74 CIS foci (39%), and 3 of 30 SCC foci (10%). Grade 3 reactions (to more than 5th layer) were found in 35 (47%) CIS foci and 26 (87%) SCC foci. CONCLUSIONS The relationship between the present histological categorization and podoplanin grade was statistically significant. D2-40 expression is considered to be related to the severity of oral precancerous lesions.
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Affiliation(s)
- Akinori Funayama
- Division of Oral Pathology, Department of Tissue Regeneration and Reconstruction, Niigata University Graduate School of Medical and Dental Sciences, Japan
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Study of D2-40 immunoexpression of the spindle cell areas of a metaplastic basal cell carcinoma (sarcomatoid basal cell carcinoma). Appl Immunohistochem Mol Morphol 2011; 20:518-22. [PMID: 21602664 DOI: 10.1097/pai.0b013e31821acdf5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Sarcomatoid basal cell carcinoma (BCC) is rare. In the literature, data on the prognosis of such a variant is somewhat contradictory. D2-40 immunoexpression has been shown to have prognostic connotations in carcinomas of organs other than the skin. However, although D2-40 immunoexpression has been investigated in "common" (nonsarcomatoid) BCC, it has not yet been studied in the spindle cell component of a sarcomatoid BCC. We present a sarcomatoid BCC on the neck of an 87-year-old man that has grown rapidly over the last few months. The sarcomatoid component of the tumor expressed several types of cytokeratins, such as AE1/AE3, CK 5/6, 34betaE12, and CAM 5.2. It was also positive for p63 and for D2-40 in a diffuse pattern.
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Suzuki H, Onimaru M, Koga T, Takeshita M, Yano T, Maehara Y, Nakamura S, Sueishi K. High podoplanin expression in cancer cells predicts lower incidence of nodal metastasis in patients with lung squamous cell carcinoma. Pathol Res Pract 2010; 207:111-5. [PMID: 21194851 DOI: 10.1016/j.prp.2010.11.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2010] [Revised: 10/18/2010] [Accepted: 11/25/2010] [Indexed: 11/18/2022]
Abstract
Podoplanin is expressed in a variety of malignant cells, and is generally regarded as a factor promoting tumor progression in conventional studies. Conversely, a recent clinicopathological study has revealed that low podoplanin in cancer cells was correlated with poor prognosis of patients with stage IB lung squamous cell carcinoma (LSCC). We here evaluated the clinicopathological relationship between cancer-cell podoplanin expression and clinicopathological parameters in 40 cases of LSCC (stage I-III). Immunohistochemical podoplanin expression significantly correlated with N classification and pathological stage, but not with other clinicopathological parameters. Notably, all 16 cases with high podoplanin expression unexceptionally exhibited pathological N0 status. Cases without nodal metastasis showed a significantly higher podoplanin-positive score. Furthermore, patients with high podoplanin expression exhibited a significantly longer survival time and disease-free time. These findings suggest that immunohistochemical analysis for podoplanin may serve as a marker of risk of nodal metastasis and prognosis in patients with LSCC.
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Affiliation(s)
- Hanako Suzuki
- Division of Pathophysiological and Experimental Pathology, Department of Pathology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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Min KH, Park SJ, Lee KS, Hwang SH, Kim SR, Moon H, Han HJ, Chung MJ, Lee YC. Clinical usefulness of D2-40 in non-small cell lung cancer. Lung 2010; 189:57-63. [PMID: 21107593 DOI: 10.1007/s00408-010-9268-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2010] [Accepted: 11/01/2010] [Indexed: 11/28/2022]
Abstract
D2-40 is a recently developed monoclonal antibody that reacts with a 40 kDa O-linked sialoglycoprotein and has been used for the assessment of lymphatic invasion in tumor specimens. We have evaluated the diagnostic usefulness of D2-40 and association of its immunopositivity with clinicopathological parameters in adenocarcinoma and squamous cell carcinoma of the lung. We investigated 97 cases of surgically resected adenocarcinoma or squamous cell carcinoma of the lung for the determination of D2-40 positivity in tumor cells and peritumoral lymphatic vessel density (LVD) using an immunostaining method. D2-40 immunoreactivity in tumor cells was invariably negative in adenocarcinoma but 47% of squamous cell carcinomas were positive. D2-40 positivity in the tumor was significantly associated with high LVD in squamous cell carcinoma (P < 0.006). There was no significant association between peritumoral LVD and clinicopathologic parameters, including lymphatic vessel invasion, lymph node metastasis, and survival in adenocarcinoma and squamous cell carcinoma. These results suggest that D2-40 immunoreactivity in tumor cells can be used for distinguishing between adenocarcinoma and squamous cell carcinoma and that the reactivity of tumor cells with D2-40 is positively correlated with LVD in squamous cell carcinoma but not with lymph node metastasis in adenocarcinoma and squamous cell carcinoma.
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Affiliation(s)
- Kyung Hoon Min
- Department of Internal Medicine, Chonbuk National University Medical School, San 2-20 Geumam-dong Deokjin-gu Jeonbuk, Jeonju 561-180, South Korea
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Immunolabeling Pattern of Podoplanin (D2-40) May Distinguish Basal Cell Carcinomas From Trichoepitheliomas: A Clinicopathologic and Immunohistochemical Study of 49 Cases. Am J Dermatopathol 2010; 32:683-7. [DOI: 10.1097/dad.0b013e3181cf8fb4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kadota K, Huang CL, Liu D, Nakashima N, Yokomise H, Ueno M, Haba R. The clinical significance of the tumor cell D2-40 immunoreactivity in non-small cell lung cancer. Lung Cancer 2010; 70:88-93. [DOI: 10.1016/j.lungcan.2009.12.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2009] [Revised: 10/19/2009] [Accepted: 12/21/2009] [Indexed: 10/20/2022]
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Sasahira T, Kirita T, Kurihara M, Yamamoto K, Bhawal UK, Bosserhoff AK, Kuniyasu H. MIA-dependent angiogenesis and lymphangiogenesis are closely associated with progression, nodal metastasis and poor prognosis in tongue squamous cell carcinoma. Eur J Cancer 2010; 46:2285-94. [DOI: 10.1016/j.ejca.2010.04.027] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2010] [Revised: 04/23/2010] [Accepted: 04/28/2010] [Indexed: 12/12/2022]
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Plaza JA, Ortega PF, Stockman DL, Suster S. Value of p63 and podoplanin (D2-40) immunoreactivity in the distinction between primary cutaneous tumors and adenocarcinomas metastatic to the skin: a clinicopathologic and immunohistochemical study of 79 cases. J Cutan Pathol 2010; 37:403-10. [PMID: 20377670 DOI: 10.1111/j.1600-0560.2010.01517.x] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The distinction of metastatic carcinomas to the skin from poorly differentiated primary cutaneous carcinomas and sometimes primary benign adnexal tumors can pose a significant diagnostic challenge. The purpose of this study was to evaluate the role of p63 and podoplanin (D2-40) immunoreactivity for separating primary skin tumors vs. cutaneous metastases of carcinomas from internal organs. Thirty seven primary tumors and 42 cutaneous metastatic adenocarcinomas were evaluated. The 37 primary cutaneous tumors included 14 cases of benign adnexal tumors, 9 malignant skin adnexal neoplasms, and 14 primary squamous and basal cell carcinomas. The 42 metastatic adenocarcinomas all corresponded to metastases from patients with a well-documented history of a primary tumor at another location. We found variable positivity with podoplanin in all primary cutaneous neoplasms including spiradenoma (6/6), hidradenoma (2/4), cylindroma (3/3), desmoplastic trichilemmoma (1/1), poorly differentiated squamous cell carcinoma (4/4), sebaceous carcinoma (1/1), basal cell carcinoma (4/10), trichilemmal carcinoma (2/2), eccrine carcinoma (3/3), microcystic adnexal carcinoma (1/1), adnexal carcinoma NOS (1/1), and porocarcinoma (1/1). In contrast, all metastatic carcinomas were negative (0/42) for podoplanin. In regards to p63, all cases of primary cutaneous tumors were positive for p63 (37/37); in contrast, all cutaneous metastatic carcinomas were negative (0/42). Sensitivity, specificity, and positive and negative predictive values of podoplanin and p63 immunoreactivity to separate primary skin neoplasms from metastatic carcinomas were 78.4, 100.0, 100.0 and 84.0% for podoplanin, respectively, and 100.0, 100.0, 100.0 and 100.0% for p63, respectively. The differences in p63 and podoplanin immunohistochemical expression between primary skin tumors and metastatic carcinomas to the skin were statistically significant (p < 0, 0001). The results of our study suggest that the combined expression of p63 and podoplanin are a useful adjunct for the diagnosis of skin tumors in the clinical setting of a questionable metastasis and may be relatively specific for distinguishing primary skin tumors from metastatic carcinomas to the skin.
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Affiliation(s)
- Jose A Plaza
- Department of Pathology and Laboratory Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.
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39
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Prognostic significance of peritumoral lymphatic vessel density and vascular endothelial growth factor receptor 3 in invasive squamous cell cervical cancer. Transl Oncol 2010; 3:170-5. [PMID: 20563258 DOI: 10.1593/tlo.09292] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 12/14/2009] [Accepted: 12/15/2009] [Indexed: 11/18/2022] Open
Abstract
Cervical cancer is known to metastasize primarily by the lymphatic system. Dissemination through lymphatic vessels represents an early step in regional tumor progression, and the presence of lymphatic metastasis is associated with a poor prognosis. In patients who have undergone a radical hysterectomy, lymphovascular space invasion (LVSI), assessed on hematoxylin and eosin-stained slides, is a major factor for adjuvant therapy in patients with cervical cancer. With the advent of a lymphatic endothelial cell-specific marker, such as D2-40, it is now possible to distinguish between blood and lymphatic space invasion (LSI). In this study, the utility of D2-40 was assessed for the detection of lymphatic vessel density (LVD) and identification of LSI. The expressions of vascular endothelial growth factor receptor-3 (VEGFR-3), VEGF-C, tyrosine receptor kinase-2, and angiopoietin-1 were assessed by immunohistochemical methods on 50 patients with squamous cell carcinoma of the cervix. Clinicopathologic characteristics, including pelvic lymph node metastasis, were correlated with the above histochemical findings. We found that lymphangiogenesis, measured by an increase in peritumoral LVD, was significantly associated with positive lymph node status (P < .005). VEGFR-3 expression was significantly associated with LVD (P < .05). D2-40 staining verified LSI (P = .03) and surpassed that of hematoxylin and eosin-identified LVSI (P = .54). In conclusion, lymphangiogenic markers, specifically LVD quantified by D2-40 and VEGFR-3, are independently associated with LSI and lymph node metastasis in patients with early squamous cell carcinoma of the cervix treated with radical hysterectomy and pelvic lymphadenectomy.
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Bellini C, Fulcheri E, Rutigliani M, Calevo MG, Boccardo F, Campisi C, Bonioli E, Bellini T, Hennekam RC. Immunohistochemistry in non-immune hydrops fetalis: A single center experience in 79 fetuses. Am J Med Genet A 2010; 152A:1189-96. [DOI: 10.1002/ajmg.a.33191] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Rodrigo JP, García-Carracedo D, González MV, Mancebo G, Fresno MF, García-Pedrero J. Podoplanin expression in the development and progression of laryngeal squamous cell carcinomas. Mol Cancer 2010; 9:48. [PMID: 20196862 PMCID: PMC2841121 DOI: 10.1186/1476-4598-9-48] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2009] [Accepted: 03/02/2010] [Indexed: 11/23/2022] Open
Abstract
Background Podoplanin expression is attracting interest as a marker for cancer diagnosis and prognosis. We therefore investigated the expression pattern and clinical significance of podoplanin during the development and progression of laryngeal carcinomas. Results Podoplanin expression was determined by immunohistochemistry in paraffin-embedded tissue specimens from 84 patients with laryngeal premalignancies and 53 patients with laryngeal squamous cell carcinomas. We found podoplanin expression extending from the basal to the suprabasal layer of the epithelium in 37 (44%) of 84 dysplastic lesions, whereas normal epithelium showed negligible expression. Patients carrying podoplanin-positive lesions had a higher laryngeal cancer incidence than those with negative expression reaching borderline statistical significance (51% versus 30%, P = 0.071). Podoplanin expression in laryngeal carcinomas exhibited two distinct patterns. 20 (38%) cases showed diffuse expression in most tumour cells and 33 (62%) focal expression at the proliferating periphery of tumour nests. High podoplanin expression was inversely correlated with T classification (P = 0.033), disease stage (P = 0.006), and pathological grade (P = 0.04). There was a trend, although not significant, towards reduced disease-specific survival for patients with low podoplanin levels (P = 0.31) and diffuse expression pattern (P = 0.08). Conclusions Podoplanin expression increases in the early stages of laryngeal tumourigenesis and it seems to be associated with a higher laryngeal cancer risk. Podoplanin expression in laryngeal squamous cell carcinomas, however, diminishes during tumour progression. Taken together, these data support a role for podoplanin expression in the initiation but not in the progression of laryngeal cancers.
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Affiliation(s)
- Juan P Rodrigo
- Department of Otolaryngology-Head and Neck Surgery, Hospital Universitario Central de Asturias, Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Asturias, Spain.
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Yang S, Zhu X, Cai L, Cheng H, Zhao R, Wang H, Zhao H, Wang Z. Role of tumor-associated lymphatic endothelial cells in metastasis: a study of epithelial ovarian tumor in vitro. Cancer Sci 2010; 101:679-85. [PMID: 20028387 PMCID: PMC11158915 DOI: 10.1111/j.1349-7006.2009.01436.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Tumor-associated lymphatic endothelial cells (TLEC) could play a key role in the process of tumor metastasis. The aim of this study was to investigate the effect of TLECs that were isolated from human epithelial ovarian tumor (EOT) on ovarian cancer cell line CAOV-3 in vitro. First, TLECs in EOT were detected by immunochemistry and flow cytometry, then marked by lymphatic endothelial cell (LEC) marker LYVE-1, isolated by magnetic beads, and cultured in vitro. The cells were identified by immunostaining of LEC markers LYVE-1, Prox-1, Podoplanin, VEGFR-3, and pan-endothelial cell marker CD31. TLECs from EOT can be detected, cultured, and identified in vitro successfully. The effects of TLECs on invasion and migration of CAOV-3 cells were investigated by 12-well Boyden chamber; the proliferation effect was studied by counting the Trypan blue exclusion cell number. Furthermore, changes in MMP-2/9 secreted by CAOV-3 cells treated with TLEC were shown using real-time PCR and zymography, and TIMP-1/2 was detected by real-time PCR. In vitro, TLECs can enhance invasion and migration of CAOV-3 cells, but have no significant effect on proliferation. It was clear that the expression of MMP-9 increased and TIMP-2 decreased in CAOV-3 cells treated by TLECs, and the increasing of MMP-9 was confirmed by zymography. TLECs from EOT can enhance migration and invasion of human ovarian carcinoma cell line in vitro, and the possible mechanism was through activation of MMP-9/TIMP-2.
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Affiliation(s)
- Shouhua Yang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Rahadiani N, Ikeda JI, Makino T, Tian T, Qiu Y, Mamat S, Wang Y, Doki Y, Aozasa K, Morii E. Tumorigenic role of podoplanin in esophageal squamous-cell carcinoma. Ann Surg Oncol 2010; 17:1311-23. [PMID: 20066519 DOI: 10.1245/s10434-009-0895-5] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2009] [Indexed: 12/16/2022]
Abstract
BACKGROUND Podoplanin, a mucin-type transmembrane glycoprotein, is thought to be one of the cancer stem cell markers for squamous-cell carcinoma of the vulva. The objectives of the present study were to examine the role of podoplanin in esophageal squamous-cell carcinoma (ESCC). METHODS Expression of podoplanin was examined immunohistochemically in 61 cases of ESCC that had not been treated with chemotherapy or radiotherapy before surgery. Because cancer stem-cell quantities have been reported to increase with chemotherapy and radiotherapy, cases in patients who did not receive such prior therapies were included in this study. Cases with >10% tumor cells showing signals for podoplanin were categorized as podoplanin high, and the others were classified as podoplanin low. The effects of podoplanin on the behavior of cancer cells were evaluated in ESCC cell lines in which podoplanin expression was knocked down. RESULTS To examine whether podoplanin could be used as a cancer stem cell marker for ESCC, podoplanin-positive and podoplanin-negative fractions were sorted separately from the ESCC cell line and cultured. Podoplanin-positive ESCC cells yielded both podoplanin-positive and podoplanin-negative cells, whereas few cells were obtained from podoplanin-negative ESCC cells. When podoplanin expression was knocked down, ESCC cell lines became vulnerable to anticancer drugs and showed defective invasion and tumorigenic activities. Nineteen (31.1%) of 61 cases were categorized as podoplanin high. Podoplanin-high cases were correlated with T category, stage of disease, lymphatic and vascular invasion, recurrence, and prognosis of patients. Podoplanin-low cases showed better overall and disease-free survival. CONCLUSIONS There is a role for podoplanin in tumorigenesis and malignant progression in ESCC.
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Affiliation(s)
- Nur Rahadiani
- Department of Pathology, Osaka University, Graduate School of Medicine, Osaka, Japan
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Carvalho FM, Zaganelli FL, Almeida BGL, Goes JCS, Baracat EC, Carvalho JP. Prognostic value of podoplanin expression in intratumoral stroma and neoplastic cells of uterine cervical carcinomas. Clinics (Sao Paulo) 2010; 65:1279-83. [PMID: 21340215 PMCID: PMC3020337 DOI: 10.1590/s1807-59322010001200009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2010] [Accepted: 09/14/2010] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To investigate the clinicopathological significance of podoplanin expression in the intratumoral stroma and neoplastic cells of early stage uterine cervical cancer. MATERIALS AND METHODS A total of 143 patients with clinical stage I and IIA uterine cervical carcinomas underwent surgery between 2000 and 2007. Clinicopathological data and slides associated with these cases were retrospectively reviewed. Immunodetection of podoplanin expression in histologic sections of tissue microarray blocks was performed using the monoclonal antibody D2-40. RESULTS Expression of podoplanin was detected in neoplastic cells in 31/143 (21.6%) cases, with 29/31 (93.5%) of these cases diagnosed as squamous carcinoma. For all of the cases examined, the strongest signal for podoplanin expression was observed at the proliferating edge of the tumor nests. The rate of positive podoplanin expression for node-positive cases was lower than that of node-negative (18.9% vs. 22.6%, respectively). Furthermore, the rate of positive podoplanin expression in fatal cases was 10.5% vs. 21.6%, respectively. In 27/143 (18.8%) cases, podoplanin expression was detected in fibroblasts of the intratumoral stroma, and this expression did not correlate with patient age, clinical stage, tumor size, histologic type, depth of infiltration, or vascular involvement. Moreover, expression of podoplanin in intratumoral stroma fibroblasts was only negatively associated with nodal metastasis. A greater number of fatal cases was observed among negative intratumoral stroma fibroblasts (15.5% vs. 3.7%, respectively), although this difference was not significant. CONCLUSIONS These preliminary results suggest that podoplanin may have a role in host-tumor interactions and, as a result, may represent a favorable prognostic factor for squamous cervical carcinomas.
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Mohammed RAA, Ellis IO, Lee AHS, Martin SG. Vascular invasion in breast cancer; an overview of recent prognostic developments and molecular pathophysiological mechanisms. Histopathology 2009; 55:1-9. [PMID: 19016903 DOI: 10.1111/j.1365-2559.2008.03169.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Vascular invasion (VI) is an essential step in breast cancer metastasis and the main cause of morbidity and mortality from the disease. Detection of VI in the primary tumour is a marker of metastatic potential. The prognostic value of VI in breast cancer has been known for more than four decades, but its application in clinical practice is still fraught with difficulties due to the limited number of studies conducted on large numbers of well-characterized patients with long-term follow-up. Detection of VI in the primary tumour is currently assessed using sections stained with haematoxylin and eosin, which has some disadvantages. A number of vascular markers have been used to improve detection of VI; however, their sensitivity and specificity, as endothelial markers, vary considerably. In this review we describe the evolution of the prognostic importance of VI and the recent pathomolecular mechanisms that contribute to the ability of breast cancers to invade through vessels, in addition to the types, locations and methods of detection of vascular invasion.
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Affiliation(s)
- R A A Mohammed
- Clinical Oncology, University of Nottingham, University Hospitals, Nottingham, UK
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Hashizume S, Nagayasu T, Hayashi T, Hidaka S, Tsuchiya T, Tagawa T, Yamasaki N, Furukawa K, Matsumoto K, Miyazaki T. Accuracy and prognostic impact of a vessel invasion grading system for stage IA non-small cell lung cancer. Lung Cancer 2009; 65:363-70. [DOI: 10.1016/j.lungcan.2008.12.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2008] [Revised: 11/10/2008] [Accepted: 12/09/2008] [Indexed: 11/26/2022]
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48
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Gao P, Zhou GY, Zhang QH, Su ZX, Zhang TG, Xiang L, Wang Y, Zhang SL, Mu K. Lymphangiogenesis in gastric carcinoma correlates with prognosis. J Pathol 2009; 218:192-200. [PMID: 19224540 DOI: 10.1002/path.2523] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Lymphatic metastasis is an important way that gastric carcinomas can spread. However, little is known about the mechanisms of lymphangiogenesis and its clinical significance in gastric carcinomas. In the present study, lymphatic vessel density (LVD), VEGF-C expression, and proliferative activity of lymphatic endothelium were determined in human gastric carcinomas and xenografts of gastric cancer cells in nude mice. The development of lymphangiogenesis and its correlation with patient prognosis were investigated. The results showed that lymphatic vessels were observed mainly in peripheral tumour tissue with significantly (p < 0.05) higher P-LVD (peri-tumoural-LVD) than I-LVD (intra-tumoural-LVD). The expression of VEGF-C was heterogeneous within tumours, with a significantly higher expression (immunostaining score) at the margin than at the tumour centre (p < 0.05). A significant correlation was found between VEGF-C expression at the margin (but not at the centre) and P-LVD (r = 0.72, p < 0.01). High proliferative activity of lymphatic endothelium was also observed in the peripheral tissues, with a significant correlation between proliferative activity of lymphatic endothelium and VEGF-C expression (p < 0.05). These data imply that the increased lymphatics may have been newly formed following stimulation by VEGF-C. High VEGF-C expression at the margin of gastric carcinomas could induce lymphangiogenesis in the peri-tumoural stroma and contribute to the increased P-LVD. The data from mice tumour xenografts also suggested that VEGF-C produced from the transplanted gastric carcinoma cells could induce lymphangiogenesis around them. In patients, VEGF-C expression at tumour margins was associated with nodal metastasis, lymphatic vessel invasion, poor recurrence-free survival, and poor overall survival, and could serve as an independent predictor for patients with gastric carcinoma.
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Affiliation(s)
- Peng Gao
- Department of Pathology, School of Medicine, Shandong University, Jinan, PR China.
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49
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Castro ECDC, Galambos C. Prox-1 and VEGFR3 antibodies are superior to D2-40 in identifying endothelial cells of lymphatic malformations--a proposal of a new immunohistochemical panel to differentiate lymphatic from other vascular malformations. Pediatr Dev Pathol 2009; 12:187-94. [PMID: 18937526 DOI: 10.2350/08-05-0471.1] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Accepted: 10/19/2008] [Indexed: 11/20/2022]
Abstract
We previously reported that D2-40 antibody identifies lymphatic endothelial cells (LECs) of lymphatic malformations (LM) with high specificity but only moderate sensitivity. The aim of this study was to compare the sensitivity and specificity of the markers Prospero-related homeobox gene-1 (Prox-1) and VEGFR3 to those of D2-40 for LECs in LM. Seventeen LM and 6 other vascular malformations with venous component (VM) were stained with D2-40, Prox-1, VEGFR3, CD31, and CD34 antibodies. The staining characteristics of vessels by each marker were assessed. Prox-1 and VEGFR3 specificity for LECs was examined by endothelial staining of VMs. Prox-1 and VEGFR3 stained substantially more large vessels than did D2-40 (15 of 17 cases). Small vessel staining was uniformly positive with all vascular markers except CD34, which did not stain lymphatic vessels. Eight cases had no or minimal D2-40 staining of large vessels, but the selected D2-40-vessels stained positive with VEGFR3, and 7 of 8 vessels were Prox-1 positive. Nine cases had variable D2-40 staining of large vessels; the selected D2-40 channels were all Prox-1 positive, and 8 of 9 were VEGFR3 positive. Two had rare vascular channels with no lymphatic marker stain but were positive for CD31 and CD34. Endothelial cells of VM had no Prox-1 but were VEGFR3/CD31/CD34 positive. VEGFR3 and Prox-1 antibodies have greater sensitivity for large lymphatic vessels than does D2-40. All lymphatic markers have high sensitivity for LECs of small lymphatic channels. Prox-1 has superior sensitivity and specificity to LECs. We recommend utilizing an immunohistochemical panel consisting of Prox-1, VEGFR3, CD31, and CD34 antibodies to differentiate lymphatic from venous malformations in pathologic practice.
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Shimizu Y, Jin L, Yamaguchi H, Motosugi U, Sannohe S, Nagata K, Sakurai T, Murata S, Yasuda M, Shimizu M. Detection of lymphatic invasion in resected cases of primary pancreatic cancer based on immunohistochemistry of D2-40. Ann Diagn Pathol 2009; 13:168-72. [PMID: 19433295 DOI: 10.1016/j.anndiagpath.2009.03.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We investigated the presence of lymphatic invasion detected by D2-40 immunostaining compared to conventional hematoxylin-eosin (HE) staining in primary pancreatic cancer. We also compared the alkaline phosphatase-fast red detection method with the 3,3'-diaminobenzidine (DAB) detection method. We reviewed 25 cases of pancreatic cancer with lymph node (LN) metastases and 15 cases without LN metastases and evaluated the detection rate of lymphatic invasion by HE stain slide alone and D2-40 immunostains. Regarding the cases with positive LN metastasis, 4 (16%) of the 25 cases showed lymphatic invasion by HE slide alone, whereas 7 cases (28%) demonstrated positive lymphatic invasion by D2-40 immunostain. On the other hand, even in cases with negative LN metastasis, 3 of the 15 cases revealed lymphatic invasion by D2-40 immunostaining. Lymphatic invasion was easily detected by alkaline phosphatase-fast red technique, especially at the lower magnification. Regarding the location of lymphatic invasion, it was recognized not only at the peripheral portion but also in the central part of the tumors by D2-40 immunostains; this was difficult to identify by HE stain slide alone. Our study indicates that lymphatic invasion may be overlooked when only HE stain slides are used. In addition, the alkaline phosphatase-fast red detection method (vivid red color) is a distinctive advantage compared with the DAB detection method (brown color), especially in detecting lymphatic invasion at the lower magnification.
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Affiliation(s)
- Yoshihiko Shimizu
- Department of Pathology, Saitama Medical University, Saitama International Medical Center, Hidaka City, Saitama 350-1298, Japan
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