Illustration of discovery (IMAGE)

Salk Institute

Illustration of discovery

Caption

The stomach sends hunger signals to the brain in the form of ghrelin (blue arrow), prompting the brain to send growth hormone to muscle tissue (pink line). In the foreground, a closer look at the muscle reveals growth hormone (pink orbs) influencing BCL6 (purple blob) to attach to the cell’s DNA (purple chain), where it is able to control the production of IGF1.

Credit

Salk Institute

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