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Expression of Sox2 in human cervical carcinogenesis
1Department of Reproductive Medicine, the First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, The People's Republic of China.
Human Pathology
|August 17, 2010
Summary
Sox2, a stem cell factor, is elevated in cervical cancers, promoting tumor growth and potentially serving as a therapeutic target. This transcription factor is crucial for cervical carcinogenesis.
Area of Science:
- Molecular biology
- Cancer research
- Stem cell biology
Background:
- Sox2 is a critical transcription factor in embryonic development and stem cell fate.
- Sox2 has been identified in various human tumors, suggesting a role in tumorigenesis.
Purpose of the Study:
- To investigate the role of Sox2 in cervical cancer development and progression.
- To evaluate Sox2 as a potential therapeutic target for cervical carcinomas.
Main Methods:
- Assessed nuclear Sox2 staining in cervical carcinomas versus normal cervix.
- Examined Sox2 expression in tumorsphere cells from cervical cancer tissues.
- Overexpressed Sox2 in cervical cancer cell lines (SiHa, HeLa) to assess functional effects in vitro and in vivo.
Main Results:
- Significantly increased nuclear Sox2 staining was observed in cervical carcinomas compared to normal cervix (P < .05).
- Sox2 was present in most tumorsphere cells but absent in differentiated tumorsphere cells.
- Sox2 overexpression enhanced proliferation, clonogenicity, and tumorigenicity of cervical cancer cells both in vitro and in vivo.
Conclusions:
- Sox2 plays a role in the carcinogenesis of cervical carcinomas.
- Sox2 represents a potential therapeutic target molecule for cervical cancer treatment.
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