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Effects of acute hypoxia on human adipose tissue lipoprotein lipase activity and lipolysis

Overview of attention for article published in Journal of Translational Medicine, July 2016
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  • Above-average Attention Score compared to outputs of the same age and source (62nd percentile)

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Title
Effects of acute hypoxia on human adipose tissue lipoprotein lipase activity and lipolysis
Published in
Journal of Translational Medicine, July 2016
DOI 10.1186/s12967-016-0965-y
Pubmed ID
Authors

Bimit Mahat, Étienne Chassé, Jean-François Mauger, Pascal Imbeault

Abstract

Adipose tissue regulates postprandial lipid metabolism by storing dietary fat through lipoprotein lipase-mediated hydrolysis of exogenous triglycerides, and by inhibiting delivery of endogenous non-esterified fatty acid to nonadipose tissues. Animal studies show that acute hypoxia, a model of obstructive sleep apnea, reduces adipose tissue lipoprotein lipase activity and increases non-esterified fatty acid release, adversely affecting postprandial lipemia. These observations remain to be tested in humans. We used differentiated human preadipocytes exposed to acute hypoxia as well as adipose tissue biopsies obtained from 10 healthy men exposed for 6 h to either normoxia or intermittent hypoxia following an isocaloric high-fat meal. In differentiated preadipocytes, acute hypoxia induced a 6-fold reduction in lipoprotein lipase activity. In humans, the rise in postprandial triglyceride levels did not differ between normoxia and intermittent hypoxia. Non-esterified fatty acid levels were higher during intermittent hypoxia session. Intermittent hypoxia did not affect subcutaneous abdominal adipose tissue lipoprotein lipase activity. No differences were observed in lipolytic responses of isolated subcutaneous abdominal adipocytes between normoxia and intermittent hypoxia sessions. Acute hypoxia strongly inhibits lipoprotein lipase activity in differentiated human preadipocytes. Acute intermittent hypoxia increases circulating plasma non-esterified fatty acid in young healthy men, but does not seem to affect postprandial triglyceride levels, nor subcutaneous abdominal adipose tissue lipoprotein lipase activity and adipocyte lipolysis.

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The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 60 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 60 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 18%
Student > Ph. D. Student 10 17%
Student > Bachelor 9 15%
Researcher 5 8%
Student > Doctoral Student 3 5%
Other 11 18%
Unknown 11 18%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 12 20%
Medicine and Dentistry 11 18%
Agricultural and Biological Sciences 6 10%
Nursing and Health Professions 4 7%
Sports and Recreations 4 7%
Other 7 12%
Unknown 16 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 July 2016.
All research outputs
#13,475,674
of 22,880,691 outputs
Outputs from Journal of Translational Medicine
#1,588
of 4,004 outputs
Outputs of similar age
#191,721
of 355,956 outputs
Outputs of similar age from Journal of Translational Medicine
#33
of 96 outputs
Altmetric has tracked 22,880,691 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,004 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.5. This one has gotten more attention than average, scoring higher than 58% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 355,956 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 96 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 62% of its contemporaries.