Definitions
from The Century Dictionary.
- noun A colorless compound, C6H10O5.⅙H2O, contained in the rhizomes of the water-lily, Iris Pseudacorus, and in other plants.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry A
hormone that canreplicate some of the positiveeffects ofexercise .
Etymologies
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Examples
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The newly identified hormone, called irisin, increases in the body during exercise, boosting energy expenditure and controlling blood glucose levels.
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph Andrew Hough 2012
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Nature, purports to establish the existence of a new hormone, irisin, which is integral -- in exercising mice, at least -- to the process of converting garden-variety white fat into its hottie counterpart, brown fat.
The Full Feed from HuffingtonPost.com M.D. David Katz 2012
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Nature, purports to establish the existence of a new hormone, irisin, which is integral -- in exercising mice, at least -- to the process of converting garden-variety white fat into its hottie counterpart, brown fat.
The Full Feed from HuffingtonPost.com M.D. David Katz 2012
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Even after 12 hours of rest, mice that had been on a three-week jogging regimen had 65 percent more irisin in their blood than unexercised mice.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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"It is likely that irisin is responsible for at least some of the beneficial effects of exercise on the browning of adipose tissues and increase in energy expenditure," Speigelman and his colleagues noted in their paper.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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And people who had gotten 10 weeks of endurance exercise training had double the amount of irisin in their blood than those who had not.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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An increase in irisin helps turn white fat into the diabetes at bay.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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They dubbed the new hormone irisin, as a nod to the Greek messenger goddess Iris for its ability to send information to surrounding body tissue.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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To find out, they injected a batch of obese, pre-diabetic mice that had been fed a high-fat diet with just about as much of an irisin boost as they would get from a workout.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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And the messages irisin carries are not trivial-they seem to effect positive changes in the body.
The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2012
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