insulin-like growth factor

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insulin-like growth factor

[¦in·sə·lən ‚lik ′grōth ‚fak·tər]
(biochemistry)
References in periodicals archive ?
And insulin growth factor can cause the prostate to enlarge," says McVary.
To test this hypothesis, we investigated serum concentrations of insulin growth factor-I and insulin growth factor binding protein-3, and hormonal (testosterone, growth hormone, cortisol, and insulin) responses to graded maximal exercise in chronically endurance-trained athletes with and without diagnosed LVH.
They are released by the pituitary gland and converted in the liver to another anti-aging hormone called Insulin Growth Factor (IGF-1) and dehydroepiandrosterone (DHEA) which is produced by the adrenal glands.
Professor David Gunnell and his colleagues measured levels of Insulin Growth Factor IGF-I in the blood of the children, who also took an intelligence test aged eight.
He and his colleagues had noted that when a protein called insulin growth factor 1, or IGF-1, interacts with cells on the outside of muscle fibers, the muscles grow.
The author proceeds to wholeheartedly support exercise, for its enhancement of insulin sensitivity in the tissues and retardation of the insulin growth factor (IGF-1), indirectly modulating prostate cancer growth.
The chemical is an insulin growth factor called IGF-1 which some scientists believe could be used to treat diseases like multiple sclerosis.
The study found that even minute increases of insulin growth factor (IGF-1) protect tumor cells from chemotherapy, while decreases in IGF-1 levels prompt massive cell death of several kinds of tumor cells, including human melanoma.