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Updated: May 13, 2026

Avidity-based Extracellular Interaction Screening (AVEXIS) for the Scalable Detection of Low-affinity Extracellular Receptor-Ligand Interactions
Published on: March 5, 2012
Annexin A2 system in human biology: cell surface and beyond
1Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, New York 10065, USA.
Annexin A2 (A2) is a vital protein involved in numerous biological processes. Its dysregulation is linked to thrombosis, bleeding disorders, cancer, and neurological conditions.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- Annexin A2 (A2) is a versatile protein with diverse cellular functions.
- A2 and S100A10 (p11) form a heterotetramer at the endothelial cell surface, influencing fibrinolysis.
- A2's role extends to various diseases, including antiphospholipid syndrome, leukemia, and cancer.
Purpose of the Study:
- To elucidate the multifaceted roles of Annexin A2 (A2) in human health and disease.
- To explore A2's involvement in vascular proliferation, cancer progression, and neurological functions.
- To understand A2's contribution to inflammatory responses and immune cell function.
Main Methods:
- Literature review and synthesis of existing research on Annexin A2.
- Analysis of A2's function in different cellular compartments and biological processes.
- Examination of A2's association with various pathological conditions.
Main Results:
- A2 is implicated in thrombosis and hyperfibrinolytic bleeding.
- A2 plays a role in hypoxia-induced retinal neovascularization and cancer cell invasion.
- A2 influences neurotransmitter receptor and ion channel function, impacting mood, pain, and neurodegenerative diseases.
Conclusions:
- Annexin A2 (A2) is a critical protein with a broad spectrum of functions in human health.
- A2's dysregulation is associated with diverse pathologies, highlighting its therapeutic potential.
- Further research into A2's mechanisms is crucial for understanding and treating associated diseases.
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