Connexin 43 Is a Potential Prognostic Biomarker for Ewing Sarcoma/Primitive Neuroectodermal Tumor.

Connexins (Cxs) are building unit proteins of gap junctions (GJs) that are prognostic markers in carcinomas. To investigate the role of Cx in Ewing sarcoma (EWS)/primitive neuroectodermal tumor (PNET), we examined the expression of Cx43 and Cx26 in 36 EWS/PNETs and found (1) cytoplasmic Cx43 reactiv...

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Published in:Sarcoma pp. 1 - 8
Main Authors: Bui, Marilyn M., Gang Han, Acs, Geza, Reed, Damon, Gonzalez, Ricardo J., Pasha, T. L., Zhang, Paul J.
Format: pictorial research tables/charts Journal Article
Published: Wiley-Blackwell 2011
Online Access:View this record in EBSCOhost
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      dt: 2011
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      pub: Wiley-Blackwell
      place: Malden, Massachusetts
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        atl: Connexin 43 Is a Potential Prognostic Biomarker for Ewing Sarcoma/Primitive Neuroectodermal Tumor.
      aug:
        au:
          Bui, Marilyn M.
          Gang Han
          Acs, Geza
          Reed, Damon
          Gonzalez, Ricardo J.
          Pasha, T. L.
          Zhang, Paul J.
        affil: Department of Anatomic Pathology, Moffitt Cancer Center, Tampa, FL 33612, USA; Program of Experimental Therapeutics, Moffitt Cancer Center, Tampa, FL 33612, USA
      sug:
        subj:
          Sarcoma, Ewing's Prognosis
          Neuroectodermal Tumors, Primitive Prognosis
          Membrane Proteins
          Biological Markers
          Sarcoma, Ewing's Mortality
          Neuroectodermal Tumors, Primitive Mortality
          Human
          Retrospective Design
          Tissue Array Analysis
          Immunohistochemistry
          Descriptive Statistics
          Mann-Whitney U Test
          Kaplan-Meier Estimator
          Log-Rank Test
          Data Analysis Software
          Confidence Intervals
          Cox Proportional Hazards Model
          Neoplasm Metastasis
          Male
          Female
          Adult
          Adolescence
          Aged
          Middle Age
          Child
          Sarcoma, Ewing's Pathology
          Neuroectodermal Tumors, Primitive Pathology
          Funding Source
          Adult: 19-44 years
          Adolescent: 13-18 years
          Aged: 65+ years
          Middle Aged: 45-64 years
          Child: 6-12 years
          Male
          Female
      ab: Connexins (Cxs) are building unit proteins of gap junctions (GJs) that are prognostic markers in carcinomas. To investigate the role of Cx in Ewing sarcoma (EWS)/primitive neuroectodermal tumor (PNET), we examined the expression of Cx43 and Cx26 in 36 EWS/PNETs and found (1) cytoplasmic Cx43 reactivity in 28/36 (78%) cases. (2) Cx43 score was significantly correlated with overall survival (P = .025). The average scores for patients alive and dead at 3 years are 46.08 and 96.98 (P = .004) at 5 years are 46.06 and 96.42 (P = .002). (3) Metastasis had a significant effect on the overall survival (P = .003). (4) Cytoplasmic Cx26 reactivity was detected in 2 of 36 (6%) patients who died with metastasis. Our results suggest a possible oncogenic and prognostic role for Cx43 and Cx26 in EWS/PNET. The lack of membranous immunoreactivity suggests that the effect of Cx in EWS/PNET is via a GJ function-independent mechanism.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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