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Published on: June 30, 2023
Prostanoids Regulate Angiogenesis and Lymphangiogenesis in Pathological Conditions.
Masataka Majima1,2,3, Yasuhiro Matsuda4, Shin-Ichi Watanabe5
1Department of Medical Therapeutics, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Atsugi, Kanagawa 243-0292, Japan mmajima@cet.kanagawa-it.ac.jp.
Prostaglandin E-type receptor 3 (EP3) signaling is crucial for tumor angiogenesis and lymphangiogenesis, impacting wound healing and cancer progression. Targeting EP3 signaling offers a potential therapeutic strategy for related diseases.
Area of Science:
- Biomedical Science
- Molecular Biology
- Oncology
Background:
- Angiogenesis is vital for wound repair and tumor growth.
- Nonsteroidal anti-inflammatory drugs (NSAIDs) inhibit prostanoid biosynthesis, affecting cancer and wound healing, but mechanisms are unclear.
- Prostanoid signaling extends beyond smooth muscle contraction and vasoactivity.
Purpose of the Study:
- To elucidate the precise mechanisms by which prostanoid signaling influences angiogenesis and lymphangiogenesis.
- To investigate the role of prostaglandin E-type receptor signaling in tumor angiogenesis and pathological lymphangiogenesis.
Main Methods:
- Utilized prostanoid receptor knockout mouse models.
- Analyzed the induction of vascular endothelial growth factor A (VEGF-A) and VEGF-C/D.
Main Results:
- Prostaglandin E-type receptor 3 (EP3) signaling in the host microenvironment is critical for tumor angiogenesis by inducing VEGF-A.
- EP signaling enhances lymphangiogenesis via VEGF-C/D induction in pathological conditions.
- EP receptors play a significant role in facilitating angiogenesis and lymphangiogenesis in vivo.
Conclusions:
- Prostanoid receptor signaling, particularly EP3, is a key driver of angiogenesis and lymphangiogenesis.
- EP receptor signaling represents a potential therapeutic target for diseases involving aberrant angiogenesis and lymphangiogenesis.
- Understanding prostanoid receptor roles offers new avenues for treating cancer and impaired wound healing.
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