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Myostatin-related muscle hypertrophy is a rare genetic condition characterized by reduced body fat and increased skeletal muscle size. [1] Affected individuals have up to twice the usual amount of muscle mass in their bodies, but increases in muscle strength are not usually congruent. [ 2 ]
Myostatin (also known as growth differentiation factor 8, abbreviated GDF8) is a protein that in humans is encoded by the MSTN gene. [6] Myostatin is a myokine that is produced and released by myocytes and acts on muscle cells to inhibit muscle growth. [7] Myostatin is a secreted growth differentiation factor that is a member of the TGF beta ...
Side effects of statins include muscle pain, increased risk of diabetes, and abnormal blood levels of certain liver enzymes. [5] Additionally, they have rare but severe adverse effects, particularly muscle damage, and very rarely rhabdomyolysis. [6] [7]
New research published in The Lancet says statins, the cholesterol-managing drug, do not cause muscle pain, despite them being commonly linked.
That can lead to “increases in our LDL ('bad') cholesterol, which in turn increases the risk of heart disease and strokes,” Wood adds. Myth #5: Protein doesn’t lead to weight gain
While it’s important to treat heart disease risks before a first event, statins can cause side effects for some, including muscle pain, headaches, sleep problems and digestive problems.
SAAM may affect people after long-term statin use even if they had no previous muscular side effects. [4] A differentiating feature between this and more benign statin side effects is SAAM typically has a late onset. While muscle pain (myalgia) is seen in 9-20% of patients treated with statins, it typically occurs in the first month of treatment.
Common types of myopathy due to statins include myalgia, myositis, and rhabdomyolysis. Statins induce myopathy by inhibiting protein synthesis within the muscle. [6] Statin therapy tends to not show any histopathological differences, and thus a biopsy does not reveal too much about the damage. Often, the damage is found within the mitochondria.