Protein C, an antithrombotic protein, is reduced in hospitalized patients with intravascular coagulation.

Abstract:

:Activated protein C is a potent anticoagulant and profibrinolytic enzyme that can be derived from the vitamin-K-dependent serine protease zymogen, protein C, by the action of thrombin. Protein C antigen concentration was determined in plasmas from normals (n = 40) and from 38 patients with intravascular coagulation as evidenced by positive FDP (greater than micrograms/ml). Plasma protein C was 4 micrograms/ml in normals and was significantly depressed (less than 2 SD below the mean of normals) in 19 of the 38 patients. Of 15 patients with suspected intravascular coagulation but normal FDP, protein C was decreased in 5 individuals; 3 of these 5 patients had liver disease. Based on these results, we suggest that extensive activation of the coagulation system in vivo causes a significant consumption of protein C, presumably due to its activation by thrombin and subsequent clearance.

journal_name

Blood

journal_title

Blood

authors

Griffin JH,Mosher DF,Zimmerman TS,Kleiss AJ

subject

Has Abstract

pub_date

1982-07-01 00:00:00

pages

261-4

issue

1

eissn

0006-4971

issn

1528-0020

journal_volume

60

pub_type

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