Glucagon
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Summary
Coming soon...
Key Points
- Glucagon
- Peptide hormone
- Binds to external cell receptors and initiates secondary messenger cascade
- Origin: alpha cells of the pancreas
- Produced in response to low blood glucose (hypoglycemia)
- Function:
- Increases blood glucose
- Increases glycogenolysis and gluconeogenesis in the liver
- Mobilizes glucose stores in liver
- Increases glycogenolysis and gluconeogenesis in the liver
- Promotes ketogenesis
- Ketone bodies can be used as an alternative source of energy in hypoglycemic states
- Increases blood glucose
- Peptide hormone