Abstract
1/2012
vol. 29
Original paper
RESTING PLASMA AgRP LEVELS RESPONSE TO
EXERCISE-CONJUGATED DIET AND ONLY DIET
IN OVERWEIGHT AND OBESE SEDENTARY
FEMALES
Biol. Sport 2012;29:45-50
Online publish date: 2014/08/22
Agouti-related peptide (AgRP) is an orexigenic neuropeptide produced mainly in the arcuate nucleus
(ARC) of the hypothalamus, which leads to positive energy balance. The purpose of the present study was to
investigate the resting plasma AgRP levels’ response to exercise-conjugated diet and only diet in overweight
and obese sedentary female college students. Thirty subjects were randomly divided into two experimental
groups and one control group. Experimental group 1 experienced 12 days of researchers’ proposed diet (D),
experimental group 2 experienced 12 days of researchers’ proposed diet (every day) with 12-day running training
(the intensity was 60 to 70% heart rate maximum for 50 minutes) every other day (AED) and the control group
remained sedentary with a normal diet in this period. Blood samples were collected 24 hours before and after
the enforced protocol. Body fat percentage (BF%) of subjects was measured using the 3-point method. Plasma
AgRP levels were measured using the enzyme-linked immunosorbent assay (ELISA) method. The data were
analysed by Leven, Kolmogorov-Smirnov, one-way analysis of variance (ANOVA) and Tukey post-hoc test. At
the end of the protocols, the resting plasma AgRP in the D group increased significantly (p<0.05) and in the
AED group no change was observed (P>0.05). Body weight and BMI were significantly reduced for both
experimental groups (P<0.001). Body fat percentage in the AED group was decreased (p<0.001) and no change
was observed in the D group. The present results indicate that the AED is better than the D protocol because it
leads to stability of AgRP, which may prevent lipogenesis and ultimately reduce body fat percentage.
(ARC) of the hypothalamus, which leads to positive energy balance. The purpose of the present study was to
investigate the resting plasma AgRP levels’ response to exercise-conjugated diet and only diet in overweight
and obese sedentary female college students. Thirty subjects were randomly divided into two experimental
groups and one control group. Experimental group 1 experienced 12 days of researchers’ proposed diet (D),
experimental group 2 experienced 12 days of researchers’ proposed diet (every day) with 12-day running training
(the intensity was 60 to 70% heart rate maximum for 50 minutes) every other day (AED) and the control group
remained sedentary with a normal diet in this period. Blood samples were collected 24 hours before and after
the enforced protocol. Body fat percentage (BF%) of subjects was measured using the 3-point method. Plasma
AgRP levels were measured using the enzyme-linked immunosorbent assay (ELISA) method. The data were
analysed by Leven, Kolmogorov-Smirnov, one-way analysis of variance (ANOVA) and Tukey post-hoc test. At
the end of the protocols, the resting plasma AgRP in the D group increased significantly (p<0.05) and in the
AED group no change was observed (P>0.05). Body weight and BMI were significantly reduced for both
experimental groups (P<0.001). Body fat percentage in the AED group was decreased (p<0.001) and no change
was observed in the D group. The present results indicate that the AED is better than the D protocol because it
leads to stability of AgRP, which may prevent lipogenesis and ultimately reduce body fat percentage.
Keywords
AgRP, aerobic exercise, diet, obesity, overweight
Integrated with
