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Cited by 660

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Elevation of Free Fatty Acids Induces Inflammation and Impairs Vascular Reactivity in Healthy Subjects

Tripathy, Devjit, Mohanty, Priya, Dhindsa, Sandeep, Syed, Tufail, Ghanim, Husam, Aljada, Ahmad, Dandona, Paresh·2003·Diabetes
DOI 10.2337/diabetes.52.12.2882
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Abstract

To test the possible acute proinflammatory effects of fatty acids, we induced an increase in plasma free fatty acid (FFA) concentrations after a lipid and heparin infusion for 4 h in 10 healthy subjects. We determined the nuclear factor-κB (NF-κB) binding activity in mononuclear cells (MNCs), the p65 subunit of NF-κB, reactive oxygen species (ROS) generation by MNC, and polymorphonuclear leukocytes (PMN). Brachial artery reactivity, using postischemic flow-mediated dilation, was also measured. NF-κB binding activity in the MNC nuclear extracts increased to 163 ± 17% and 144 ± 14% as compared with basal levels at 2 and 4 h (P < 0.005) and remained elevated (P < 0.05) at 6 h (2 h after cessation of lipid infusion). NF-κB p65 subunit protein expression in MNC homogenates also increased at 2, 4, and 6 h (P < 0.05). ROS generation by PMNs increased significantly at 2 and 4 h (P < 0.005), whereas that by MNCs increased at 4 h (P < 0.05). Plasma macrophage migration inhibitory factor increased at 2 (P < 0.05) and 4 h (P < 0.005), respectively, and declined to baseline at 6 h. The postischemic flow-mediated dilation of brachial artery decreased from 6.3 ± 1.1% at baseline to 4.3 ± 1.9% and 2.7 ± 2.1% (P < 0.01) at 2, 4, and 6 h, respectively. We conclude that an increase in FFA concentration induces oxidative stress and has a proinflammatory effect; it also impairs postischemic flow-mediated vasodilation of the brachial artery.

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Metadata

Authors
Tripathy, D., Mohanty, P., Dhindsa, S., Syed, T., Ghanim, H., Aljada, A., & Dandona, P.
Venue
Diabetes
Publisher
American Diabetes Association
Published
2003-12-01
Volume
52
Issue
12
Pages
2882-2887
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
DOI
10.2337/diabetes.52.12.2882
OpenAlex
W2156141764
Cited by
660
References
6
FWCI
13.39
Type
journal article
Language
en
Open access
closed

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