Abstract
The protein encoded by the ephrin type-A receptor 2 (EphA2) gene is a member of the ephrin receptor subfamily of the receptor tyrosine kinase family (RTKs). Eph receptors play a significant role in various biological processes, particularly cancer progression, development, and pathogenesis. They have been observed to regulate cancer cell growth, migration, invasion, tumor development, invasiveness, angiogenesis, and metastasis. To target EphA2 activity, various molecular, genetic, biochemical, and pharmacological strategies have been extensively tested in laboratory cultures and animal models. Notably, drugs, such as dasatinib, initially designed to target the kinase family, have demonstrated an additional capability to target EphA2 activity. Additionally, a novel monoclonal antibody named EA5 has emerged as a promising option to counteract the effects of EphA2 overexpression and restore tamoxifen sensitivity in EphA2-transfected MCF-7 cells during in vitro experiments. This antibody mimicked the binding of Ephrin A to EphA2. These methods offer potential avenues for inhibiting EphA2 activity, which could significantly decelerate breast cancer progression and restore sensitivity to certain drugs. This review article comprehensively covers EphA2’s involvement in multiple malignancies, including ovarian, colorectal, breast, lung, glioma, and melanoma. Furthermore, we discuss the structure of EphA2, the Eph-Ephrin signaling pathway, various EphA2 inhibitors, and the mechanisms of EphA2 degradation. This article provides an extensive overview of EphA2’s vital role in different types of cancers and outlines potential therapeutic approaches to target EphA2, shedding light on the underlying molecular mechanisms that make it an attractive target for cancer treatment.
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The authors would like to express their heartfelt appreciation for the generous support of Integral Information and Research Centre-7 (IIRC-7) at Integral University Lucknow (IU/R&D/2023-MCN0002255).
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M.N. wrote the review article. J. K, S.K., and M.K.A.K. edited and corrected the manuscript, while S.A. and M.K.A.K. also proofread.
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Nehal, M., Khatoon, J., Akhtar, S. et al. Exploring the potential of EphA2 receptor signaling pathway: a comprehensive review in cancer treatment. Mol Biol Rep 51, 337 (2024). https://doi.org/10.1007/s11033-024-09298-8
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DOI: https://doi.org/10.1007/s11033-024-09298-8