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Prognostic significance of dysadherin expression in cervical squamous cell carcinoma

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Pathology Oncology Research

Abstract

The protein and mRNA expression of dysadherin was studied in a series of squamous cell cervical carcinomas, and their clinicopathological associations and prognostic value were explored. Immunohisto-chemistry was used to assess protein expression of dysadherin in 206 patients with squamous cell cervical carcinoma, FIGO stage Ia-IVb. Frozen tissues from 20 cases in which the tumors showed variable dysadherin protein expression were used for laser capture microdissection (LCM) and processed for RT-PCR detection of dysadherin mRNA. Immunohisto-chemically, all the dysadherin-positive staining was membranous. Positive cell membranous dysadherin-positive staining was often observed at the edge of tumor nests, although strong immunoreactivity throughout whole tumor nests was also seen in some tumors. Basal cells of the normal cervical epithelia were positive for dysadherin while its expression in the squamous cell cervical carcinomas was variable. Among the 206 tumors, 23 (11.2%) were negative, 53 (25.7%) were scored 1+, 54 (26.2%) were scored 2+ and 76 (36.9%) were scored 3+. In the 20 tumors analyzed, mRNA expression of dysadherin basically corresponded to its protein expression. No significant cor-relation between expression of dysadherin and age, FIGO stage or lymph node status was observed. Higher level of dysadherin expression, however, was significantly associated with shorter overall survival (p=0.04). We conclude that there is dysadherin protein expression in basal and parabasal cells of normal cervical epithelia, and higher level of dysadherin protein expression in squamous cell cervical carcinoma is predictive of a shorter overall survival, indicating that dysadherin may be a valuable prognostic marker in cervical carcinoma.

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Authors and Affiliations

  1. Department of Pathology, The Norwegian Radium Hospital, University of Oslo, Montebello, 0310, Oslo, Norway

    Dan Wu, Gunhild Troen, Ruth Holm, Jahn M. Nesland & Zhenhe Suo

  2. Department of Gynecologic Oncology, The Norwegian Radium Hospital, University of Oslo, 0310, Oslo, Norway

    Gunnar B. Kristensen

  3. Department of Obstetrics and Gynecology, The First Teaching Hospital, Zhengzhou University, Henan, China

    Dan Wu & Yuhuan Qiao

  4. Department of Pathology, The First Teaching Hospital, Zhengzhou University, Henan, China

    Shanshan Li

Authors
  1. Dan Wu
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  2. Yuhuan Qiao
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  3. Gunnar B. Kristensen
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  4. Shanshan Li
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  5. Gunhild Troen
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  6. Ruth Holm
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  7. Jahn M. Nesland
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  8. Zhenhe Suo
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Correspondence to Zhenhe Suo.

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Wu, D., Qiao, Y., Kristensen, G.B. et al. Prognostic significance of dysadherin expression in cervical squamous cell carcinoma. Pathol. Oncol. Res. 10, 212–218 (2004). https://doi.org/10.1007/BF03033763

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  • DOI: https://doi.org/10.1007/BF03033763

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