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  • Open Access

    ARTICLE

    Targeting HER2-Positive HCC1954 Breast Cancer Cells by Novel Thiazole-Dihydrobenzisoxazoles: In-Depth Design, Synthesis and Initial In Vitro Study

    Yuri A. Piven1, Danila V. Sorokin2, Nastassia A. Varabyeva1, Alexandra L. Mikhaylova2, Fedor B. Bogdanov2, Elena V. Shafranovskaya1, Raman M. Puzanau3, Fedor A. Lakhvich1, Alexander M. Scherbakov2,4,*

    Oncology Research, Vol.33, No.12, pp. 4049-4072, 2025, DOI:10.32604/or.2025.067832 - 27 November 2025

    Abstract Background: The most aggressive forms of breast cancer are characterized by independence from steroid hormones but a strong dependence on growth factors. In such cancer cells, oncogenic receptors, including human epidermal growth factor receptor 2 (HER2), are activated, and their targeted inhibition represents an attractive therapeutic strategy. The study aimed to develop small-molecule potential dual heat shock protein 90 (HSP90)-HER2 inhibitors and evaluate them as anticancer agents in HER2-positive cells. Methods: The research project involved obtaining a series of compounds with potential dual inhibitory activity against HSP90 and HER2 by targeted organic synthesis, which was… More > Graphic Abstract

    Targeting HER2-Positive HCC1954 Breast Cancer Cells by Novel Thiazole-Dihydrobenzisoxazoles: In-Depth Design, Synthesis and Initial <i>In Vitro</i> Study

  • Open Access

    ARTICLE

    ETV6/FLT3 Fusion Is a Novel Client Protein of Hsp90

    Bui Thi Kim Ly*, Hoang Thanh Chi†‡

    Oncology Research, Vol.26, No.8, pp. 1201-1205, 2018, DOI:10.3727/096504018X15154104709325

    Abstract FMS-like tyrosine kinase-3 fragments from exon 14 to the end without any mutations or deletions have been reported to fuse to ETV6 (TEL) in a few cases of myeloid/lymphoid neoplasms with eosinophilia carrying a translocation t(12;13)(p13;q12). This fusion protein confers constitutive activation on the FLT3 fragment and induces factor-independent growth in transfected Ba/F3 cells, indicating that it is an oncoprotein. However, the mechanism controlling the stability of this oncoprotein is unknown. In this study, we focus on finding factors controlling the stability of ETV6/FLT3. We have shown that the stability of ETV6/FLT3 is regulated by… More >

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