F5(Coagulation factor V light chain)抗体;F5(Coagulation factor V light chain) Antibody—艾普蒂 新品

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     The image is immunohistochemistry of paraffin-embedded Human colorectal cancer tissue using P13377(F5(Coagulation factor V light chain) Antibody) at dilution 1/20. (Original magnification: ×200)    

  
  

**Background of F5 (Coagulation Factor V Light Chain) Antibodies**

Coagulation Factor V (FV), a critical protein in the blood coagulation cascade, functions as a cofactor that enhances thrombin generation by forming the prothrombinase complex with activated Factor X (FXa), calcium ions, and phospholipid surfaces. The FV molecule consists of a heavy chain (A1-A2 domains) and a light chain (A3-C1-C2 domains), connected by a region cleaved during activation to form Factor Va (FVa). Antibodies targeting the light chain of FV specifically recognize epitopes within the A3-C1-C2 regions, which are essential for membrane binding and interaction with FXa.

FV light chain antibodies are widely used in research and diagnostics to study FV structure, function, and dysregulation. For instance, they help detect genetic mutations (e.g., Factor V Leiden, though this mutation resides in the heavy chain) or acquired deficiencies linked to bleeding disorders or thrombotic conditions. Such antibodies are also employed in assays (e.g., ELISA, Western blot, immunohistochemistry) to quantify FV levels, monitor activation/inactivation states, or investigate autoimmune conditions like acquired FV inhibitors.

Additionally, these antibodies aid in distinguishing FV from its activated form (FVa), as proteolytic processing alters light chain accessibility. Their specificity makes them valuable tools for dissecting coagulation mechanisms, developing therapeutic strategies, and diagnosing disorders tied to FV dysfunction.