Cited by 32Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismLipid metabolism and disorders

Exercise prior to fat ingestion lowers fasting and postprandial VLDL and decreases adipose tissue IL-6 and GIP receptor mRNA in hypertriacylglycerolemic men.

Dekker, Mark J., Graham, Terry E., Ooi, T.C., Robinson, Lindsay E.·2010·The Journal of Nutritional Biochemistry

Abstract

Fasting and postprandial triacylglycerol (TAG) concentrations are risk factors for cardiovascular disease. This study evaluated whether interleukin-6 (IL-6) and incretin hormones [gastric inhibitory peptide (GIP) and glucagon-like peptide-1 (GLP-1) (active)] were associated with fasting and postprandial TAG in response to an oral lipid load, including very-low-density lipoprotein (VLDL) and chylomicron (CM) TAG, following one bout of exercise in nine men (age, 59 ± 2 years; body mass index, 34 ± 2 kg/m2; waist circumference, 113 ± 3 cm) with high fasting TAG (2.9 ± 0.2 mmol/L). Subjects completed two oral fat tolerance tests (OFTTs), randomized 1 week apart, that consisted of 1g fat/kg body weight emulsified lipids in the absence of carbohydrate and protein. Approximately 16 h prior to one OFTT, subjects completed 60 min of treadmill walking (estimated 55% VO2 peak; heart rate, 122 ± 4 beats/min). No exercise was performed on the day before the other OFTT. Fasted (0 h) and postprandial (1, 2, 3, 4, 5 and 6 h) blood samples were taken for analysis of TAG, IL-6 and incretins. Subcutaneous adipose tissue biopsies were taken at 0 and 6 h after OFTT ingestion for IL-6 and GIP receptor (GIPr) mRNA quantification. Exercise lowered fasting and postprandial TAG (P<.05) and VLDL TAG (P<.05), while postprandial CM TAG were similar in both OFTT trials (P>.05). Fasting and postprandial plasma IL-6, GIP and GLP-1 did not differ between rest and exercise OFTT trials (P>.05). Exercise reduced IL-6 and GIPr mRNA (P<.05) in adipose tissue. Our results suggest that the reduction in VLDL TAG following an acute bout of exercise is not associated with circulating IL-6 or incretin concentrations, despite reductions in the adipose tissue expression of IL-6 and GIPr.

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Crossref · 10.1016/j.jnutbio.2009.08.004

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  • A period of 30-60 min of intermittent aerobic exercise or mild resistance exercise has been shown to be effective in lowering plasma and VLDL triglycerides.

    “The minimum exercise required to reduce a postprandial triglyceride increase has not been determined, but a period of 30 -60 min of intermittent aerobic exercise or mild resistance exercise has been shown to be effective in lowering plasma and VLDL triglycerides.”
  • Exercise the day before ingestion of a high-fat meal is associated with a marked dampening of the postprandial triglyceride increase.

    “It has been reported that exercise the day before ingestion of a high-fat meal is associated with a marked dampening of the postprandial triglyceride increase.”
  • Low-fitness people only need to use low-intensity aerobic exercise.

    “low-fitness people only need to use low-intensity aerobic exercise [57].”

    From Effects of aerobic exercise on lipids and lipoproteins (2017) · cites this paper as [57]

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Authors
Dekker, M. J., Graham, T. E., Ooi, T. C., & Robinson, L. E.
Affiliations
  • University of Guelph (CA)
  • University of Ottawa (CA)
Corresponding author
Robinson, Lindsay E.
Venue
The Journal of Nutritional Biochemistry
Publisher
Elsevier BV
Published
2010-10
Volume
21
Issue
10
Pages
983-990
ISSN
0955-2863 (ISSN-L)
OpenAlex
W2141845021
Cited by
32
References
53
Citations by year
2023: 2 · 2022: 1 · 2021: 2 · 2020: 4 · 2019: 1 · 2018: 2 · 2017: 2 · 2016: 6 · 2015: 1 · 2014: 4 · 2013: 1 · 2012: 2
FWCI
1.34
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Nutritional Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
Natural Sciences and Engineering Research Council of Canada
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
Keywords
acute exercise, hypertriglyceridemia, VLDL, postprandial triacylglycerol, interleukin-6, glucose-dependent insulinotropic polypeptide, incretins, glucagon-like peptide-1, adipose tissue gene expression, oral fat tolerance test, treadmill walking
MeSH terms
Adipose Tissue, Adult, Aged, Dietary Fats, Fasting, Humans, Lipoproteins, VLDL, Male, Middle Aged, Receptors, Gastrointestinal Hormone, RNA, Messenger, Hypertriglyceridemia, Exercise, Interleukin-6, Postprandial Period

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