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Construction and detection of the tissue-specific pINV-HPV16 E6/7 vector
Hui Gao1, Zhengfang Huang2, Chenlong Shi1
1Department of Dermatology, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China.
Oncology Letters
|January 27, 2015
Summary
Researchers developed a tissue-specific plasmid using the human involucrin promoter (pINV) and the human papillomavirus (HPV) E6/7 gene. This novel construct shows potential for targeted gene expression in preventing HPV infections.
Area of Science:
- Molecular Biology
- Oncology
- Virology
Background:
- Tissue-specific promoters control gene expression in targeted organs.
- The human involucrin promoter (pINV) regulates tissue-specific gene expression.
- Human papillomavirus (HPV) infections, particularly cervical carcinoma, are a significant health concern.
Purpose of the Study:
- To construct a novel tissue-specific recombinant plasmid.
- To investigate the potential of pINV for targeting HPV-related gene expression.
- To develop a tool for the prevention and treatment of HPV infections.
Main Methods:
- Cloning of pINV using polymerase chain reaction (PCR).
- Acquisition and modification of the HPV16 E6/7 gene from cervical carcinoma samples.
- Ligation of the modified HPV16 E6/7 gene into a eukaryotic expression vector (pCEP4) under pINV control.
- Identification and verification of positive recombinants through blue-white screening, endonuclease digestion, and sequencing.
Main Results:
- Successful cloning and construction of the pINV-HPV16E6/7 plasmid.
- Demonstration of tissue-specific gene expression control by pINV.
- Confirmation of the correct insertion and sequence of the HPV16 E6/7 gene within the recombinant plasmid.
Conclusions:
- The pINV-HPV16E6/7 plasmid is a functional tissue-specific expression vector.
- This construct holds promise for targeted therapeutic strategies against HPV.
- Further research may explore its application in preventing and treating HPV-associated diseases.
