PMID: 29849983Jun 1, 2018Paper

Ectopic Expression of Human DPPA2 Gene in ESCC Cell Line Using Retroviral System

Avicenna Journal of Medical Biotechnology
Maryam KhaleghizadehMohammad Reza Abbaszadegan

Abstract

Cancer/Testis Antigens (CTAs) are a sub-group of tumor-associated antigens which are expressed normally in germ line cells and trophoblast, and aberrantly in a variety of malignancies. One of the most important CTAs is Developmental Pluripotency Associated-2(DPPA2) with unknown biological function. Considering the importance of DPPA2 in developmental events and cancer, preparing a suitable platform to analyze DPPA2 roles in the cells seems to be necessary. In this study, the coding sequence of DPPA2 gene was amplified and cloned into the retroviral expression vector to produce recombinant retrovirus. The viral particles were transducted to Esophageal Squamous Cell Carcinoma (ESCC) cell line (KYSE-30 cells) and the stable transducted cells were confirmed for ectopic expression of DPPA2 gene by real-time PCR. According to the critical characteristics of retroviral expression system such as stable and long time expression of interested gene and also being safe due to deletion of retroviral pathogenic genes, this system was used to induce expression of DPPA2 gene and a valuable platform to analyze its biological function was prepared. Transduction results clearly showed efficient overexpression of the gene in target cells in protei...Continue Reading

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