Effects of controlled physical activity on immune cell phenotype in peripheral blood in prehypertension - studies in preclinical model and randomised crossover study

Mazur, M. et al. (2018) Effects of controlled physical activity on immune cell phenotype in peripheral blood in prehypertension - studies in preclinical model and randomised crossover study. Journal of Physiology and Pharmacology, 69(6), pp. 875-887. (doi: 10.26402/jpp.2018.6.12) (PMID:30898984)

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Hypertension (HT) is a global public health issue. There are many behavioural risk factors including unhealthy diet, tobacco use and alcohol consumption as well physical inactivity that contribute to the development of high blood pressure (BP) and its complications. Favourable effect of regular physical activity on treatment or prevention of hypertension by improvement of endothelial function is widely accepted however little is known about its relationship with immune system. Thus, the aim of this study was to assess the role of moderate regular physical activity on immune cell phenotype. T cell and monocyte subsets were characterised in 31 subjects with prehypertension (130 - 139 mmHg systolic and 85 - 89 mmHg diastolic blood pressure) who participated in moderate training (3 times/week) on cyclometers for 3 months in crossover study design. Complementary study was performed in murine model of Ang II-induced hypertension and ten-week-old animals were trained on a treadmill (5 times/week, 1 hour) for 2 weeks before and 1.5 weeks after minipumps implantation. In the context of elevated blood pressure regular physical activity had modest influence on immune cell phenotype. Both in human study and murine model we did not observe effects of applied exercise that can explain the mechanism of BP reduction after short-term regular training. Twelve-weeks regular training did not affect the activation status of T lymphocytes measured as expression of CD69, CD25 and CCR5 in human study. Physical activity resulted in higher expression of adhesion molecule CD11c on CD16+ monocytes (especially CD14 high) without any changes in leukocytes subpopulation counts. Similar results were observed in murine model of hypertension after the training. However the training caused significant decrease of CCR5 and CD25 expressions (measured as a mean fluorescence intensity) on CD8+ T cells infiltrating perivascular adipose tissue. Our studies show modest regulatory influence of moderate training on inflammatory markers in prehypertensive subjects and murine model of Ang II induced hypertension.

Item Type:Articles
Additional Information:This study was supported by the Polish National Science Centre grants (N N404 179240 and 2013/09/N/NZ4/02211) and the Mobility Plus Program of Polish Ministry of Science and Higher Education (1280/MOB/IV/2015/0 - TM).
Glasgow Author(s) Enlighten ID:Czesnikiewicz-Guzik, Dr Marta and Guzik, Professor Tomasz
Authors: Mazur, M., Glodzik, J., Szczepaniak, P., Nosalski, R., Siedlinski, M., Skiba, D., Rewiuk, K., Salakowski, A., Czesnikiewicz-Guzik, M., Grodzicki, T., Guzik, T. J., and Mikolajczyk, T.P.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing > Dental School
Journal Name:Journal of Physiology and Pharmacology
Publisher:Polish Physiological Society
ISSN (Online):1899-1505

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