Expression of Heat Shock Protein 60 kDa Is Upregulated in Cervical Cancer
You Jin Hwang,1Soon Pyo Lee,2Suk Young Kim,2Young Hwan Choi,1Min Ji Kim,1Choong Ho Lee,1Joo Young Lee,3
and Dae Young Kim1
1Division of Biological Science, Gachon University of Medicine and Science, Incheon, Korea.
2Department of Obstetrics and Gynecology, Gachon University of Medicine and Science, Incheon, Korea.
3Department of Pharmacology, Korea University College of Medicine, Seoul, Korea.
Corresponding author: Dr. Dae Young Kim, Divison of Biological Science, Gachon University of Medicine and Science, 534-2 Yeonsu-dong, Yeonsu-gu, Incheon 406-799, Korea. Tel: 82-32-820-4544, Fax: 82-32-821-2734, Email: davekim@gachon.ac.kr
Received May 22, 2008; Revised September 04, 2008; Accepted October 01, 2008.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Purpose
Cervical cancer caused by the human papilloma virus (HPV) continues to be the cause of yearly death among women. However, it is a curable disease when diagnosed at an early stage. Recently, several researches have reported that heat shock protein (HSP) 60, a chaperone protein of molecular weight of 60 kDa, is involved in carcinogenesis and apoptosis. In order to evaluate the prognostic significance of HSP60 in cervical cancer, we examined differences in the HSP60 expression between cervical cancer and normal tissues in women.
Materials and Methods
Tissue samples were collected from 20 cervical cancer patients and 20 normal controls. HSP60 expression of cervical cancer and normal tissues were verified by the 2D gel proteomics, semi-quantitative reverse transcriptase polymerase chain reaction (RT-PCR) and Western blot analyses.
Results
In 2D proteomic analysis, an increase of HSP60 expression was detected in cervical cancer tissues and confirmed by Western blot analysis (p < 0.05). However, messenger RNA (mRNA) levels of HSP60 did not display any significant differences between cervical cancer and normal tissues.
Conclusion
These results suggest that HSP60 may be involved in the development of cervical cancer and have profound biological and prognostic significance.
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