Metabolic changes in the lymphocytes during influenza
- Authors: Sergeeva IV1, Kamzalakova NI1, Tikhonova EP1, Bulygin GV1
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Affiliations:
- Krasnoyarsk State Medical University, Krasnoyarsk, Russia
- Issue: Vol 93, No 4 (2012)
- Pages: 580-584
- Section: Theoretical and clinical medicine
- URL: https://journals.rcsi.science/kazanmedj/article/view/1547
- DOI: https://doi.org/10.17816/KMJ1547
- ID: 1547
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Abstract
Aim. To assess the nature and intensity of metabolic processes in lymphocytes of patients with influenza according to the activity of intracellular enzymes in comparison to the severity of the disease. Methods. Determined were the enzymatic parameters of lymphocytes of 45 patients aged 18 to 42 years with a diagnosis of «influenza». Two groups of patients were formed: with moderate (24 patients) and severe (21 patients) course of the disease. Used as controls were the values the activity of intracellular enzymes of lymphocytes of 37 practically healthy individuals of comparable age. Results. In patients with a moderately severe course of the influenza compared with the controls noted was a significant increase in activity of glucose-6-phosphate dehydrogenase (3.17±0.53 and 2.74±0.31 mkE/10 000 cells, p <0.05) and glycerol-3-phosphate dehydrogenase (57.33±±5.65 and 0.84±0.16 mkE/10 000 cells respectively, p <0.001). The activity of lactate dehydrogenase was lower in patients than in controls (0.40±0.08 and 0.84±0.08 mkE/10 000 cells respectively, p <0.001). Indicators of nicotinamide adenine dinucleotide and nicotinamide adenine dinucleotide phosphate dependant isocitrate dehydrogenases in lymphocytes of patients were lower than in the controls: the first indicator in the patients was 0.17±0.02 mkE/10 000 cells, in controls - 1.95±0.25 mkE/10 000 cells (p <0.001), and for the second indicator these values were respectively 0.09±0.01 and 31.02±±2.20 mkE/10 000 cells (p <0.001). In patients with a moderately severe course of influenza the activity of nicotinamide adenine dinucleotide and nicotinamide adenine dinucleotide phosphate dependant glutamate dehydrogenases was significantly higher compared with healthy individuals: 63.67±5.32 and 0.34±0.06 mkE/10 000 cells, 1.45±0.18 and 0.11±0.02 mkE/10 000 cells respectively (p <0.001). The activity of nicotinamide adenine dinucleotide dependant malate dehydrogenase in patients was equal to 86.46±12.30 mkE/10 000 cells (in the control group 84.16±13.70 mkE/10 000 cells), and the activity of nicotinamide adenine dinucleotide phosphate dependant malate dehydrogenase was equal to 1.34±±0.25 mkE/10 000 cells (in the control group 0.33±0.07 mkE/10 000 cells, p <0.001). The activity of glutathione reductase was also higher in patients with the moderately severe course of the influenza: 5.86±0.25 mkE/10 000 cells, while the value in healthy individuals was 1.28±0.30 mkE/10 000 cells (p <0.001). In the group of patients with a severe course of influenza the activity of almost all (except for glucose-6-phosphate dehydrogenase) enzymes was higher than during the moderately severe course of disease. Conclusion. At the peak of the diseases noted were opposite changes in the activity of reactions of the pentose phosphate cycle and glycolysis. With a high functional load on the cells there is a significant reduction in the intensity of the reactions of the initial phase of the tricarboxylic acid cycle, which reduces the energy efficiency of the cycle, while the intense influx of metabolites to supply the tricarboxylic acid cycle with substrates of the amino acid metabolism provides enhanced transport of amino acids into the lymphocytes.
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##article.viewOnOriginalSite##About the authors
I V Sergeeva
Krasnoyarsk State Medical University, Krasnoyarsk, Russia
Email: infeccia7979@mail.ru
N I Kamzalakova
Krasnoyarsk State Medical University, Krasnoyarsk, Russia
E P Tikhonova
Krasnoyarsk State Medical University, Krasnoyarsk, Russia
G V Bulygin
Krasnoyarsk State Medical University, Krasnoyarsk, Russia
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