What are the examples of glucocorticoids?
Glucocorticoids are involved in the regulation of metabolism and resistance to stress. Glucocorticoids include cortisol, corticosterone and cortisone. Cortisol is the most abundant and is responsible for about 95% of glucocorticoid activity.
Role of glucocorticoids
Upon stimulation by glucocorticoids, liver cells may covert certain amino acids or lactic acid to glucose, by a process called gluconeogenesis. Visit Biology Doubts page of Physics Wallah for more questions.
2. Protein metabolism
Glucocorticoids increase the rate of protein breakdown, mainly in muscle fibers and thus increase the liberation of amino acids into the blood stream.
3. Fat metabolism
Glucocorticoids stimulate lipolysis, the breakdown of triglycerides and release of fatty acids from adipose tissue into the blood.
4. Resistance to stress
Glucocorticoids provide resistance to stress. The additional glucose supplied by the liver cells provide tissues with a ready source of ATP to combat a range of stresses including exercise, fasting, fright, temperature extremes, high attitudes etc.