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Isolation of Sertoli Cells and Peritubular Cells from Rat Testes
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Isolation of Sertoli Cells and Peritubular Cells from Rat Testes

Published on: February 8, 2016

[Serological screening of xenogeneic antigens from rat testis]

Feng Peng1, Ling Tian, Hong-xin Deng

  • 1Key Laboratory of Biotherapy of Human Diseases of Ministry of Education, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.

Sichuan Da Xue Xue Bao. Yi Xue Ban = Journal of Sichuan University. Medical Science Edition
|June 9, 2004
PubMed
Abstract

Insights

Researchers identified novel tumor antigens using a modified serological analysis of recombinant cDNA expression library (SEREX) approach with xenogeneic serum. This method expands SEREX applications for cancer vaccine development.

Area of Science:

  • Oncology
  • Immunology
  • Biotechnology

Context:

  • Cancer vaccines aim to elicit an immune response against tumor antigens.
  • The Serological Analysis of Recombinant cDNA Expression Library (SEREX) is a method for identifying tumor antigens.
  • Xenogeneic models can provide insights into human disease mechanisms.

Purpose:

  • To identify xenogeneic homologous tumor antigens from a rat testis cDNA library using a modified SEREX approach.
  • To explore the potential of using xenogeneic immunized serum for tumor antigen discovery.
  • To evaluate the utility of identified antigens in developing cancer vaccines.

Summary:

  • A modified SEREX approach was employed using serum from rabbits immunized with human ovarian cancer cells.
  • Ten positive clones were isolated from a rat testis cDNA library, encoding seven distinct proteins.
  • Bioinformatic analysis revealed known carcinoma-related proteins (OV-2, OV-4) and novel proteins (OV-6, OV-7).

Impact:

  • This study demonstrates that xenogeneic serum can be effectively used in SEREX for tumor antigen screening.
  • The findings suggest an expanded application of traditional SEREX technology for identifying novel cancer targets.
  • Identified antigens hold potential for the development of innovative cancer vaccines.

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