THE EFFECTS OF 8 WEEKS OF VITAMIN C INTAKE AND REGULAR AEROBIC EXERCISE ON SERUM BRAIN-DERIVED NEUROTROPHIC FACTOR AND INSULIN-LIKE GROWTH FACTOR-1 LEVELS IN OBESE GIRLS

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HABIBIAN M.; KHOSRAVI H.; FARZANEGI P.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Nutrition Sciences and Food Technology Year:2016 | Volume:11 | Issue:3 Page(s): 21-30

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Title

THE EFFECTS OF 8 WEEKS OF VITAMIN C INTAKE AND REGULAR AEROBIC EXERCISE ON SERUM BRAIN-DERIVED NEUROTROPHIC FACTOR AND INSULIN-LIKE GROWTH FACTOR-1 LEVELS IN OBESE GIRLS

Author(s)

HABIBIAN M. | KHOSRAVI H. | FARZANEGI P. | Issue Writer Certificate

Keywords

AEROBIC EXERCISEQ2

BRAIN-DERIVED NEUROTROPHIC FACTORQ2

INSULIN-LIKE GROWTH FACTOR-1Q2

VITAMIN CQ2

Abstract

Background and Objectives: BRAIN-DERIVED NEUROTROPHIC FACTOR (BDNF) and INSULIN-LIKE GROWTH FACTOR-1 (IGF-1) have a wide range of biological activities that are influenced by childhood obesity. Therefore the purpose of this study was to examine the effects of 8 weeks of VITAMIN C intake and regular AEROBIC EXERCISE on serum BDNF and IGF-1 levels in obese girls.Materials & Methods: In this quasi-experimental research, 28 obese girls were selected and randomly divided into four equal groups as follows: control, exercise, VITAMIN C, and combined. AEROBIC EXERCISE was carried out at 50% to 70% maximal heart rate and 3 sessions per week for 8 weeks. The VITAMIN C and combined groups consumed 500mg VITAMIN C tablets 3 times per week. Fasting blood samples were collected before and 48 hours after the last interventions. Serum BDNF and IGF-1 levels were measured by ELISA and enzyme immunoassay methods, respectively.Results: For the VITAMIN C, exercise and combined intervention groups, the levels of BDNF after 8 weeks were increased and the IGF-1 levels were reduced. Furthermore, all the three interventions were associated with significantly greater percent changes in the BDNF and IGF-1 levels than in the control group, but the effect of combined intervention on IGF-1 percent changes was only greater in comparison to the other interventions (p<0.05).Conclusion: The favorable effects of the independent and combined interventions of AEROBIC EXERCISE and VITAMIN C intake may be partly mediated by the impact of these interventions in regulation of the growth factors‘ (BDNF and IGF-1) levels. But the combined intervention could further reduce IGF-1 levels in comparison to other interventions.

Cites

Effect of 8 Week Consumption Flax Seed Supplementation with Endurance Training on BDNF and IGF-1 in Obese Women

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APA: Copy

HABIBIAN, M., KHOSRAVI, H., & FARZANEGI, P.. (2016). THE EFFECTS OF 8 WEEKS OF VITAMIN C INTAKE AND REGULAR AEROBIC EXERCISE ON SERUM BRAIN-DERIVED NEUROTROPHIC FACTOR AND INSULIN-LIKE GROWTH FACTOR-1 LEVELS IN OBESE GIRLS. JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY, 11(3), 21-30. SID. https://sid.ir/paper/121346/en

Vancouver: Copy

HABIBIAN M., KHOSRAVI H., FARZANEGI P.. THE EFFECTS OF 8 WEEKS OF VITAMIN C INTAKE AND REGULAR AEROBIC EXERCISE ON SERUM BRAIN-DERIVED NEUROTROPHIC FACTOR AND INSULIN-LIKE GROWTH FACTOR-1 LEVELS IN OBESE GIRLS. JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY[Internet]. 2016;11(3):21-30. Available from: https://sid.ir/paper/121346/en

IEEE: Copy

M. HABIBIAN, H. KHOSRAVI, and P. FARZANEGI, “THE EFFECTS OF 8 WEEKS OF VITAMIN C INTAKE AND REGULAR AEROBIC EXERCISE ON SERUM BRAIN-DERIVED NEUROTROPHIC FACTOR AND INSULIN-LIKE GROWTH FACTOR-1 LEVELS IN OBESE GIRLS,” JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY, vol. 11, no. 3, pp. 21–30, 2016, [Online]. Available: https://sid.ir/paper/121346/en

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