Production and characterization of a murine monoclonal antibody against a heavy chain of Hageman factor (factor XII).


A murine hybridoma cell line that produces a monoclonal antibody to human Hageman factor (HF, factor XII) is described. The antibody (P 5-2-1) consists of mouse IgG2b heavy chains and lambda light chains, selectively neutralizes HF procoagulant activity, and prevents the proteolytic cleavage of HF during contact activation in plasma. When HF is exposed to P… (More)

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