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Published on: July 17, 2020
Targeting EphA2 in cancer
Ta Xiao1, Yuhang Xiao2, Wenxiang Wang3,4
1Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, Jiangsu, 210042, China.
Abstract:
Eph receptors and the corresponding Eph receptor-interacting (ephrin) ligands jointly constitute a critical cell signaling network that has multiple functions. The tyrosine kinase EphA2, which belongs to the family of Eph receptors, is highly produced in tumor tissues, while found at relatively low levels in most normal adult tissues, indicating its potential application in cancer treatment. After 30 years of investigation, a large amount of data regarding EphA2 functions have been compiled. Meanwhile, several compounds targeting EphA2 have been evaluated and tested in clinical studies, albeit with limited clinical success. The present review briefly describes the contribution of EphA2-ephrin A1 signaling axis to carcinogenesis. In addition, the roles of EphA2 in resistance to molecular-targeted agents were examined. In particular, we focused on EphA2's potential as a target for cancer treatment to provide insights into the application of EphA2 targeting in anticancer strategies. Overall, EphA2 represents a potential target for treating malignant tumors.
Insights
EphA2, a tyrosine kinase, is highly produced in tumors and shows potential for cancer treatment. Despite clinical trials, targeting EphA2 for anticancer strategies requires further insights.
Area of Science:
- Cellular signaling
- Molecular biology
- Oncology
Background:
- Eph receptors and ephrin ligands form a critical cell signaling network.
- EphA2 tyrosine kinase is upregulated in tumors but low in normal tissues.
- Extensive research has elucidated EphA2 functions over 30 years.
Purpose of the Study:
- To review the role of EphA2-ephrin A1 signaling in carcinogenesis.
- To examine EphA2's involvement in resistance to molecular-targeted agents.
- To provide insights into EphA2 as a potential cancer treatment target.
Main Methods:
- Literature review of EphA2 signaling.
- Analysis of EphA2's role in cancer development.
- Examination of EphA2's function in drug resistance.
Main Results:
- EphA2-ephrin A1 signaling contributes to cancer development.
- EphA2 plays a role in resistance to targeted cancer therapies.
- Compounds targeting EphA2 have shown limited clinical success.
Conclusions:
- EphA2 is a promising target for cancer therapy.
- Further research is needed to optimize EphA2-targeting anticancer strategies.
- Understanding EphA2's multifaceted roles is crucial for effective treatment.
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