Human epidermal growth factor receptor 2 (HER2)-specific chimeric antigen receptor (CAR) for tumor immunotherapy; recent progress

Hendrik Setia Budi, Firdaus Nuri Ahmad, Harun Achmad, Mohammad Javed Ansari, Maria Vladimirovna Mikhailova, Wanich Suksatan, Supat Chupradit, Navid Shomali, Faroogh Marofi

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8 Citations (Scopus)


Due to the overexpression or amplification of human epidermal growth factor receptor 2 (HER2) with poor prognosis in a myriad of human tumors, recent studies have focused on HER2-targeted therapies. Deregulation in HER2 signaling pathways is accompanied by sustained tumor cells growth concomitant with their migration and also tumor angiogenesis and metastasis by stimulation of proliferation of a network of blood vessels. A large number of studies have provided clear evidence that the emerging HER2-directed treatments could be the outcome of patients suffering from HER2 positive breast and also gastric/gastroesophageal cancers. Thanks to its great anti-tumor competence, immunotherapy using HER2-specific chimeric antigen receptor (CAR) expressing immune cell has recently attracted increasing attention. Human T cells and also natural killer (NK) cells can largely be found in the tumor microenvironment, mainly contributing to the tumor immune surveillance. Such properties make them perfect candidate for genetically modification to express constructed CARs. Herein, we will describe the potential targets of the HER2 signaling in tumor cells to clarify HER2-mediated tumorigenesis and also discuss recent findings respecting the HER2-specific CAR-expressing immune cells (CAR T and CAR NK cell) for the treatment of HER2-expressing tumors.

Original languageEnglish
Article number40
JournalStem Cell Research and Therapy
Issue number1
Publication statusPublished - Dec 2022


  • CAR-T cell
  • Chimeric antigen receptor (CAR)
  • Human epidermal growth factor receptor 2 (HER2)
  • Solid tumors
  • Tumor microenvironment (TME)


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