2003 Fiscal Year Final Research Report Summary
The significance of adipocyte-drived cytokines in the preventive effect of exercise on atherosclerosis.
| Project/Area Number |
14580059
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
体育学
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| Research Institution | Tokyo Medical University |
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Principal Investigator |
TAKANAMI Yoshikazu Tokyo Medical University, Medicine, Assistant Professor, 医学部, 講師 (40206777)
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| Project Period (FY) |
2002 – 2003
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| Keywords | exercise / adipocyte / adipocytokine / adiponectin / atherosclerosis / arterial stiffness |
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| Research Abstract |
In this study, we assessed the hypothesis that aerobic exercise training could increase adiponectin, a newly identified adipocyte-drived antiatherogenic plasma protein, in connection with the reduction of body fat, and this increased adiponectin may improve arterial stiffness. We randomly assigned the sedentary middle-aged subjects to two groups : one that enagaged in 30-60 minutes of aerobic exercise at least 3 times a week for 3 months (exercise group), and one age-matched group that underwent no modifications in physical activity (control group). Indices of body fat, serum lipids serum adiponectin levels and brachial-ankle pulse wave velocity (baPWV), index of arterial stiffness, were measured at baseline and after 3 months of exercise training or after 3 months of no modifications in activity (control group). Visceral fat area (VFA) and subcutaneous fat area (SFA) at the umbilical level were determined by computed tomographic scanning. Significant reductions in VFA and SFA were observed following the 3-month excercise training period. Also, there was a significant increase in serum adiponectin levels after the exercising training, however, no significant change was observed in all parameters of the control group. Furthermore, the changes in serum adiponectin levels were correlated with changes in body weeight and VSA as a result of the exercise training. No significant correlation between the changes in serum adiponectin levels and the changes in baPWV was observed after the exercise training. There was a significant correlation between the changes in baPWV and the changes in VFA after the training. From these results, we conclude that a mild aerobic exercise training increase serum adiponectin levels through the reduction of abdominal obesity. The improvement of some factors other than adiponectin in relation to accumulated visceral fat may be resoponsible for the improvement of arterial stiffness after the exercise training.
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Research Products
(6 results)
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[Journal Article] Effect of aerobic exercise training on the secretion of a novel adipocyte-derived, antiatherogenic protein, adiponectin2004
Author(s)
Takanami, Y., Shimomitsu, T., Kawai, Y., Kinoshita, F., Mohira, O.
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Journal Title
Descente Sports Science 25
Pages: 53-60
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Aerobic exercise training increases an adipocyte-derived antidiabetic, antiatherogenic plasma protein, adiponectin2002
Author(s)
Takanami, Y., Kawai, Y., Kinoshita, F., Mohira, O., Shimomitsu, T.
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Journal Title
Diabetes 51 supple 2
Pages: A61
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Aerobic exercise training increase serum levels of a novel adipocyte-derived antiatherogenic protein, adiponectin2002
Author(s)
Takanami, Y., Kawai, Y., Kinoshita, F., Mohira, O., Shimomitsu, T.
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Journal Title
Circulation 103(supple)
Pages: 123
Description
「研究成果報告書概要(欧文)」より
