Question
How does mobilization of lipids stores in adipose tissue to the target tissues take place?
Answer :
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Mobilization of lipid stores from adipose tissue to target tissues is a highly regulated process that ensures energy availability during fasting, exercise, or increased energy demand. Adipose tissue primarily stores energy in the form of triglycerides, which are composed of glycerol and three fatty acids. When the body requires energy, hormonal signals, mainly from catecholamines like adrenaline and noradrenaline, activate lipolysis. These hormones bind to beta-adrenergic receptors on adipocytes, triggering a cascade through the cyclic AMP (cAMP) pathway and activating protein kinase A (PKA). PKA then phosphorylates hormone-sensitive lipase (HSL) and perilipin, proteins crucial for breaking down
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