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Development of Compendium for Esophageal Squamous Cell Carcinoma
Published on: April 12, 2024
877
Hsp27 and Hsp70 Expression in Esophageal Squamous
Caio Cesar Floriano Luz1, Juliana Noguti, Leandro Borges de Araújo
1Departments of Pathology, 2Statistics, Federal University of São Paulo, UNIFESP, SP, Brazil.
Asian Pacific Journal of Cancer Prevention : APJCP
|April 27, 2017
Summary
Heat shock proteins Hsp27 and Hsp70 are frequently expressed in esophageal squamous cell carcinoma (ESCC) tissues. However, their presence does not correlate with patient prognosis or clinicopathological factors in ESCC.
Area of Science:
- Oncology
- Molecular Biology
- Pathology
Background:
- Esophageal squamous cell carcinoma (ESCC) is a significant global health concern.
- Heat shock proteins (HSPs), including Hsp27 and Hsp70, are implicated in various cellular processes and cancer development.
- The prognostic role of HSPs in ESCC remains incompletely understood.
Purpose of the Study:
- To investigate the expression levels of Hsp27 and Hsp70 in ESCC tissues.
- To determine the correlation between Hsp27 and Hsp70 expression and clinicopathological parameters in ESCC patients.
- To evaluate the prognostic significance of Hsp27 and Hsp70 expression on patient survival in ESCC.
Main Methods:
- Analysis of 28 surgically resected ESCC specimens.
- Immunohistochemical assessment of Hsp27 and Hsp70 expression in tumor tissues and adjacent normal mucosa.
- Correlation analysis with clinicopathological data (age, gender, differentiation, lymph node status, surgical margin).
- Survival analysis using Kaplan-Meier method.
Main Results:
- Hsp27 and Hsp70 were expressed in a high percentage of ESCC cases (82.14% and 92.86%, respectively).
- Expression was also detected in adjacent normal mucosa (39.29% for Hsp27, 32.15% for Hsp70).
- No significant association was found between Hsp27/Hsp70 expression and clinicopathological parameters or patient survival.
Conclusions:
- Hsp27 and Hsp70 are commonly expressed in ESCC.
- The expression of Hsp27 and Hsp70 is not a reliable prognostic biomarker for patients with ESCC.
- Further research may explore the functional role of these proteins in ESCC pathogenesis.

