Tag Archives: hormone

Relationship between IGF-1 and Growth Hormone

There exists a unique relationship between IGF-1 and growth hormone with both a stimulatory and mediating effect. The growth hormone/IGF-1 axis involves the hypothalamus, pituitary gland, and liver. Insulin growth factor 1 is a primary mediator of many GH functions. Take, for example, cell regeneration, a crucial job of the growth hormone feedback loop. IGF-1… Read More »

Exercise-related hormone irisin found to target key bone cells

Scientists have discovered that irisin, a hormone released by muscles during exercise, directly acts on key regulatory cells that control the breakdown and formation of bone. The researchers say this insight raises the prospect of new treatments for bone-thinning disorders such as osteoporosis. Reporting in Cell, Bruce Spiegelman and colleagues at Dana-Farber Cancer Institute say they have for… Read More »