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↑ FFA. Β Oxidation. TCA Cycle. ↑Electron Donors. NAD +. ↑ NADH+H +. ↑ O 2 -. ↑FADH 2. FAD. Complex I. e -. Complex IV. e -. Complex II. Q -. Complex III. e -. e -. Electron Transport Chain. EXERCISE IMPROVES ENDOTHELIAL FUNCTION. Hamby et al, Diabetes Care 26:2119-2125, 2003 - PowerPoint PPT Presentation
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Β Oxidation
↑Electron Donors
Electron Transport Chain
↑FADH2
↑ O2-
TCA Cycle
↑FFA
↑ NADH+H+NAD+
e-
Complex I
Complex IIIComplex II
Complex IVQ-
e-
e-
e-
FAD
02468
101214
FMD (%)O
W
Ob
Chl
d
Met
Syn
d
Dia
bete
s
Hea
rt D
is
Pre-TrainingPost-Training
Hamby et al, Diabetes Care 26:2119-2125, 2003Watts, et al, Journal Pediatrics 144:620-625, 2004Walsh, et al, JAP 95:20-25, 2003
EXERCISE IMPROVES ENDOTHELIAL FUNCTION
NITRIC OXIDE
i
Eight weeks of training in healthy adults
Maeda, et al. Life Sciences 69:1005-1016, 2001
0
2
4
6
8
10
12
Before After
Arte
rial H
ealth
(FM
D) High Fat
Low Fat
HFM &Exercise
Padilla, et al., European Journal of Applied Physiology, 98:256-262, 2006
0
2
4
6
8
10
12
Pre-Meal Post-Meal
FMD
(%)
InactiveActive
Padilla, et al. Medicine and Science in Sport and Exercise, in press.
7.47.67.8
88.28.48.68.8
99.29.4
Pre-Meal Post-Meal
SOD
Activ
ity
InactiveActive
Fly, et al. Medicine and Science in Sport and Exercise, in press.
0
2
4
6
8
10
12
Pre-Meal Post-Meal
FMD
(%)
InactiveActive
Padilla, et al. Medicine and Science in Sport and Exercise, in press.
Pre-Meal Post-Meal7.47.67.8
88.28.48.68.8
99.29.4
SOD
Act
ivity
3
4
5
6
7
8
9
Baseline Post Exercise
FMD (%)SedentaryActive
Harris, et al, Obesity, 2008
Active & Inactive
Overweight MenFMD
ResponseTreadmillExercise
Oxidative Source
Oxidative Stress( 8 PG F2alpha)
Endothelial Function
Single Physical Activity Session
NO bioavailability Blood Flow
Anti-inflammatory
Myokine( IL-6)
Inflammatory Stress( TNF-alpha)
Antioxidant Defense(SOD)
Insulin Resistance
Visceral Fat ( TNF-alpha)
SystemicInflammation
( CRP)
Habitual Physical Activity
Insulin Resistance