Fibrinogen and/or Fibrin as a Cause of Neuroinflammation.

Involvement of Fibrinogen(Fg) and fibrin during various pathologies associated with neuroinflammatory diseases associated with memory reduction are well known. Elevated level of Fg, called hyperfibrinogenemia (HFg) (e.g. ≥ 4±0.1 mg/ml of plasma during inflammation vs.~2±0.1 mg/ml of normal plasma [1]), accompanies inflammatory diseases such as stroke [2,3], hypertension [1,4], diabetes [5] and Traumatic Brain Injury (TBI) [6-9]. Blood level of Fg increases during inflammation in general [10].