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FATTY ACID SPECTRUM OF MITOCHONDRIAL THROMBOCYTES MEMBRANES IN PATIENTS WITH CHRONIC NON-OBSTRUCTIVE BRONCHITIS

Abstract

Fatty acid composition of mitochondrial membranes of thrombocytes in healthy individuals and patients with chronic catarrh non-obstructive bronchitis (СNOB) was analyzed. 46 people, including 25 patients with СNOB in remission and 21 healthy volunteers were examined. Mitochondria from blood cells were obtained with the standard method of differential centrifugation in sucrose medium. The fatty acids composition of mitochondrial membranes was studied by gas-liquid chromatography. Significant differences in the percentage of saturated, monoenoic and polyunsaturated fatty acids in patients with СNOB were revealed: an increase in the proportion of monoenoic acids due to the decrease of polyunsaturated acids and partial deficiency of saturated acids. The modification of the profile of saturated and monoenoic fatty acids in the membranes of mitochondria at СNOB may be related to the changes in the processes of β-oxidation, which indicates an intensification of metabolic processes. The deficiency of n-3 polyunsaturated fatty acid causes changes in physicochemical properties of mitochondrial membranes and impaired membrane permeability and substances transportation. Thus, the disruption of the lipid composition of the membrane at СNOB indicates the formation of mitochondrial dysfunction as a factor in the development of pathological conditions (hypoxia, ischemia, oxidative stress). The identification of fatty acids spectrum of mitochondrial membranes is an early indicator criterion of a cell dysfunction.

About the Authors

Yuliya K. Denisenko
Vladivostok Branch of Far Eastern Scientific Center of Physiology and Pathology of Respiration of Siberian Branch RAMS – Research Institute of Medical Climatology and Rehabilitation Treatment
Russian Federation


Tatʼyana I. Vitkina
Vladivostok Branch of Far Eastern Scientific Center of Physiology and Pathology of Respiration of Siberian Branch RAMS – Research Institute of Medical Climatology and Rehabilitation Treatment
Russian Federation


Tatʹyana P. Novgorodtseva
Vladivostok Branch of Far Eastern Scientific Center of Physiology and Pathology of Respiration of Siberian Branch RAMS – Research Institute of Medical Climatology and Rehabilitation Treatment
Russian Federation


Elena V. Kondratʹeva
Vladivostok Branch of Far Eastern Scientific Center of Physiology and Pathology of Respiration of Siberian Branch RAMS – Research Institute of Medical Climatology and Rehabilitation Treatment
Russian Federation


Natalia V. Zhukova
A.V.Zhirmunsky Institute of Marine Biology of Far East Branch RAS
Russian Federation


Pavel V. Borshchev
Vladivostok Branch of Far Eastern Scientific Center of Physiology and Pathology of Respiration of Siberian Branch RAMS – Research Institute of Medical Climatology and Rehabilitation Treatment
Russian Federation


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Review

For citations:


Denisenko Yu.K., Vitkina T.I., Novgorodtseva T.P., Kondratʹeva E.V., Zhukova N.V., Borshchev P.V. FATTY ACID SPECTRUM OF MITOCHONDRIAL THROMBOCYTES MEMBRANES IN PATIENTS WITH CHRONIC NON-OBSTRUCTIVE BRONCHITIS. Bulletin Physiology and Pathology of Respiration. 2013;(50):34-38. (In Russ.)

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ISSN 1998-5029 (Print)