NDLI: The effect of an adventure race on lymphocyte and neutrophil death

Content Provider	Springer Nature Link
Author	Levada Pires, Adriana Cristina Fonseca, C. E. R. Hatanaka, E. Alba Loureiro, T. D′Angelo, A. Velhote, F. B. Curi, R. Pithon Curi, T. C.
Copyright Year	2010
Abstract	The effect of an adventure race (Ecomotion Pró), which lasted for 4–5 days, on neutrophil and lymphocyte death from elite athletes was investigated. Blood was collected from 11 athletes at rest and after the adventure race. The following parameters of cell death were measured in neutrophils and lymphocytes: cell membrane integrity, DNA fragmentation, mitochondrial transmembrane depolarization and reactive oxygen species (ROS) production. Phagocytosis capacity was also evaluated in neutrophils. The adventure race raised the proportion of cells with the loss of membrane integrity; lymphocytes by 14% and neutrophils by 16.4%. The proportion of lymphocytes with DNA fragmentation (2.9-fold) and mitochondrial transmembrane depolarization (1.5-fold) increased. However, these parameters did not change in neutrophils. ROS production remained unchanged in lymphocytes, whereas an increase by 2.2-fold was found in neutrophils due to the race. Despite these changes, the phagocytosis capacity did not change in neutrophils after the race. In conclusion, the Ecomotion Pró race-induced neutrophil death by necrosis (as indicated by the loss of membrane integrity) and led to lymphocyte death by apoptosis (as indicated by increase DNA fragmentation and depolarization of mitochondrial membrane).
Starting Page	447
Ending Page	453
Page Count	7
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	109
Issue Number	3
e-ISSN	14396327
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-02-09
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ecomotion Pró Neutrophils Lymphocytes ROS production Cell death Elite athletes Sports Medicine Occupational Medicine/Industrial Medicine Human Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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