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Novel angiogenic signaling pathways and vascular targets
Roy Bicknell1, Adrian L Harris
1Cancer Research U.K. Molecular Oncology Laboratories, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, United Kingdom. Roy.Bicknell@cancer.org.uk
Annual Review of Pharmacology and Toxicology
|January 28, 2004
Summary
Researchers are uncovering new molecular pathways in angiogenesis, the process of new blood vessel formation. Understanding these signaling pathways, including hypoxia-inducible factors (HIFs), offers potential therapeutic targets for vascular diseases.
Area of Science:
- Molecular Biology
- Vascular Biology
- Biochemistry
Background:
- Angiogenesis, the formation of new blood vessels, is crucial for development and disease.
- Dysregulated angiogenesis is implicated in various pathologies, including cancer and ischemic diseases.
- Elucidating the molecular mechanisms governing angiogenesis is essential for therapeutic development.
Purpose of the Study:
- To review and discuss novel molecular signaling pathways involved in angiogenesis.
- To highlight the role of hypoxia-inducible factors (HIFs) in regulating proangiogenic gene expression.
- To identify potential therapeutic targets within these newly discovered pathways.
Main Methods:
- Literature review and synthesis of recent research findings.
- Analysis of molecular signaling pathways, including extracellular and intracellular components.
- Discussion of identified vascular targets for therapeutic intervention.
Main Results:
- Identification of key signaling pathways such as Notch/delta, ephrin/Eph, roundabout/slit, hedgehog, and sprouty families.
- Elucidation of the hypoxia-inducible transcription factors (HIFs) mechanism in initiating proangiogenic gene expression.
- Recognition of novel vascular targets with therapeutic potential.
Conclusions:
- The intricate molecular pathways governing angiogenesis are increasingly understood.
- Targeting these pathways, particularly those involving HIFs and other signaling families, presents promising therapeutic opportunities for vascular conditions.