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Abstract <p>Syngeneic models are widely used in experimental oncology both for modeling tumor diseases and for testing anticancer drugs. However, when testing targeted drugs aimed at human tumor-associated antigens, the presence of target antigens in the animal’s body is important. In this study, a syngeneic cell line with stable expression of two genes—the <i>ERBB</i>2 gene encoding human epidermal growth factor receptor type 2 (<i>HER</i>2) and the <i>NanoLuc</i> luciferase gene—was created based on murine mammary gland carcinoma. Optical bioimaging methods have proven that the created cell line is characterized by stable expression of <i>ERBB</i>2 and <i>NanoLuc</i> in vitro and in vivo, retains the aggressive growth of the original 4T1 cell line in animals, and forms spontaneous metastases that are detected in the animal’s body by intravital biovisualization methods.</p>

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A Syngenic Mouse Model of Breast Cancer Expressing Human ERBB2 and NanoLuc Luciferase Genes

  • 期刊论文

  • 发表日期：

    2025年10月13日

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  • E. I. Shramova,
  • S. M. Deyev,
  • G. M. Proshkina

摘要

Abstract

Syngeneic models are widely used in experimental oncology both for modeling tumor diseases and for testing anticancer drugs. However, when testing targeted drugs aimed at human tumor-associated antigens, the presence of target antigens in the animal’s body is important. In this study, a syngeneic cell line with stable expression of two genes—the ERBB2 gene encoding human epidermal growth factor receptor type 2 (HER2) and the NanoLuc luciferase gene—was created based on murine mammary gland carcinoma. Optical bioimaging methods have proven that the created cell line is characterized by stable expression of ERBB2 and NanoLuc in vitro and in vivo, retains the aggressive growth of the original 4T1 cell line in animals, and forms spontaneous metastases that are detected in the animal’s body by intravital biovisualization methods.