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The role of ErbB4 in cancer
Vincent F M Segers1,2, Lindsey Dugaucquier3, Eline Feyen3
1Laboratory of Physiopharmacology, University of Antwerp, Universiteitsplein 1, 2610, Antwerp, Belgium. vincent.segers@uantwerpen.be.
Background:
The epidermal growth factor receptor family consists of four members, ErbB1 (epidermal growth factor receptor-1), ErbB2, ErbB3, and ErbB4, which all have been found to play important roles in tumor development. ErbB4 appears to be unique among these receptors, because it is the only member with growth inhibiting properties. ErbB4 plays well-defined roles in normal tissue development, in particular the heart, the nervous system, and the mammary gland system. In recent years, information on the role of ErbB4 in a number of tumors has emerged and its general direction points towards a tumor suppressor role for ErbB4. However, there are some controversies and conflicting data, warranting a review on this topic.
Conclusions:
Here, we discuss the role of ErbB4 in normal physiology and in breast, lung, colorectal, gastric, pancreatic, prostate, bladder, and brain cancers, as well as in hepatocellular carcinoma, cholangiocarcinoma, and melanoma. Understanding the role of ErbB4 in cancer is not only important for the treatment of tumors, but also for the treatment of other disorders in which ErbB4 plays a major role, e.g. cardiovascular disease.
Insights
The epidermal growth factor receptor 4 (ErbB4) exhibits tumor suppressor properties, inhibiting cancer growth. This review explores ErbB4
Area of Science:
- Oncology
- Molecular Biology
- Cell Signaling
Background:
- The epidermal growth factor receptor (EGFR) family includes ErbB1-4, crucial in tumor development.
- ErbB4 uniquely possesses tumor-suppressive, growth-inhibiting properties.
- ErbB4 is vital in normal development of the heart, nervous, and mammary systems.
Purpose of the Study:
- To review the multifaceted role of ErbB4 in various cancers.
- To clarify conflicting data regarding ErbB4's function in tumorigenesis.
- To highlight ErbB4's significance beyond oncology, including cardiovascular disease.
Main Methods:
- Literature review of existing studies on ErbB4.
- Analysis of ErbB4's function in normal physiology.
- Examination of ErbB4's role in diverse tumor types.
Main Results:
- ErbB4 generally acts as a tumor suppressor.
- Evidence suggests ErbB4 involvement in breast, lung, and brain cancers, among others.
- Conflicting reports necessitate further investigation into ErbB4's complex roles.
Conclusions:
- ErbB4 plays a significant role in normal tissue development and cancer.
- Understanding ErbB4 is critical for treating various cancers.
- ErbB4's role extends to other conditions like cardiovascular disease.
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