Target intelligence / Profile preview

Fibrinogen (Human) (Factor I)

Target
Factor I
Molecular classification
Glycoprotein, Coagulation Factor
01

Overview

Fibrinogen is a large, soluble plasma glycoprotein that plays a central role in blood clotting (hemostasis), wound healing, and inflammation. It is synthesized primarily in the liver and circulates in human blood plasma. Upon vascular injury or activation of the coagulation cascade, thrombin cleaves fibrinopeptides A and B from fibrinogen, producing soluble fibrin monomers that polymerize into insoluble fibrin strands—forming the structural basis for blood clots.

Other names
Coagulation factor I
02

Mechanism of action

Substrate for thrombin, Factor XIIIa, and plasmin; interacts with platelet receptors.

03

Biological functions

HemostasisBlood clottingWound healingInflammationExtracellular matrix formation
04

Disease associations

Bleeding disordersThrombosisCardiovascular diseaseInflammation
05

Safety considerations

Thrombosis risk with elevated levelsBleeding risk with low levelsPotential for immunogenicity with therapeutic replacement
06

Biomarkers

Fibrinogen levels as a predictor of cardiovascular eventsFibrinogen levels for monitoring inflammatory states

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