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Prothrombin and fibrinogen carbonylation: How that can affect the blood clotting.
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- Author(s): Harutyunyan HA;Harutyunyan HA;Harutyunyan HA
- Source:
Redox report : communications in free radical research [Redox Rep] 2017 Jul; Vol. 22 (4), pp. 160-165. Date of Electronic Publication: 2016 Jun 27.
- Publication Type:
Journal Article
- Language:
English
- Additional Information
- Source:
Publisher: Taylor & Francis Country of Publication: England NLM ID: 9511366 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1743-2928 (Electronic) Linking ISSN: 13510002 NLM ISO Abbreviation: Redox Rep Subsets: MEDLINE
- Publication Information:
Publication: 2016- : Abingdon : Taylor & Francis
Original Publication: Edinburgh ; New York : Churchill Livingstone, c1994-
- Subject Terms:
- Abstract:
Objectives: The aim of the work was the development of a simple method for measuring the plasma prothrombin carbonylation and the study the impact of prothrombin and fibrinogen oxidation on the rate of plasma clotting.
Methods: A new method was based on the ability of prothrombin to be adsorbed by the barium sulfate. It consists of four steps: prothrombin mixing with the water suspension of BaSO 4 ; reaction of 2,4-dinitrophenylhydrazine with the BaSO 4 -bound prothrombin; desorption of prothrombin-2,4-dinitrophenylhydrazone complex from BaSO 4 in an alkaline medium; neutralization and reading of the optical absorbance of the complex (λ = 370 nm). The prothrombin/fibrinogen carbonylation and plasma clotting rate in vitro in the presence of reactive oxygen species (ROS)-generating agents (0.05-0.8 mM Fe 2+ /H 2 O 2 ) were monitored.
Results: The plasma volume required for measurement of carbonylated prothrombin was 0.4 ml. High level of linearity and reproducibility was observed (r = 0.9995, P = 0.0005 - for the protein; r = 0.9971, P = 0.0029 - for carbonyls). In the intact rats, the concentration of blood plasma prothrombin was 0.355 ± 0.009 mg/ml, and that of carbonyls was 4.94 ± 0.09 nmol/mg.
Discussion: Prothrombin and plasma clotting rate was not affected by low concentrations of ROS (0.05-0.2 mM Fe 2+ /H 2 O 2 ). The fibrinogen was susceptible to ROS-related effect over all the used range of concentration (0.05-0.8 mM Fe 2+ /H 2 O 2 ). Carbonylation of fibrinogen did not affect the plasma clotting activity at low ROS concentration (0.05-0.2 mM Fe 2+ /H 2 O 2 ), however it retarded the clotting at higher ROS (0.2-0.8 mM Fe 2+ /H 2 O 2 ).
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- Contributed Indexing:
Keywords: Blood clotting; Fibrinogen; Oxidation; Protein carbonyls; Prothrombin
- Accession Number:
0 (Reactive Oxygen Species)
9001-26-7 (Prothrombin)
9001-32-5 (Fibrinogen)
BBX060AN9V (Hydrogen Peroxide)
- Publication Date:
Date Created: 20160629 Date Completed: 20180309 Latest Revision: 20231019
- Publication Date:
20231019
- Accession Number:
PMC6837719
- Accession Number:
10.1080/13510002.2016.1200289
- Accession Number:
27349300
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