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Published on: March 14, 2017
Exercise in sickle cell anemia: effect on inflammatory and vasoactive mediators
P Barbeau1, K F Woods, L T Ramsey
1Georgia Prevention Institute, Medical College of Georgia, Augusta 30912, USA. pbarbeau@mail.mcg.edu
Endothelium : Journal of Endothelial Cell Research
|September 27, 2001
Summary
Regular exercise is safe for African-American women with sickle cell anemia (SCA). Exercise did not worsen inflammation, and while nitric oxide metabolites (NOx) increased, this response was manageable.
Area of Science:
- Exercise Physiology
- Hematology
- Immunology
Background:
- Sickle cell anemia (SCA) is a genetic blood disorder.
- Understanding exercise responses in SCA is crucial for patient management.
- Inflammatory and vasoactive mediators play key roles in physiological responses to exercise.
Purpose of the Study:
- To investigate the impact of three consecutive days of exercise on inflammatory and vasoactive mediators in African-American women with and without SCA.
- To compare the exercise-induced changes in these mediators between individuals with SCA and healthy controls.
Main Methods:
- Measurement of C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor alpha (TNFalpha) before exercise.
- Measurement of endothelin-1 (ET-1) and nitric oxide metabolites (NOx) before and after exercise bouts.
- Inclusion of ten subjects with SCA and ten healthy controls.
Main Results:
- Exercise did not alter ET-1, IL-6, or CRP levels.
- TNFalpha was consistently higher in the SCA group, with a similar pattern of decrease from day 2 to day 3 in both groups.
- NOx levels increased post-exercise, returning to baseline within 24 hours. On day 3, NOx increased post-exercise in SCA but not in controls.
Conclusions:
- Exercise does not appear to induce a detrimental inflammatory response in individuals with SCA.
- Nitric oxide metabolite response to exercise differs between individuals with SCA and controls, particularly after repeated bouts.
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