The WeighTrainer - Muscle Growth Part I: Why, and …
of the synthesisof oleic acid ().
Klenk E identified sphingomyelin as the stored phospholipid in cells frompatients with Niemann-Pick disease ().
Von Euler US identified a lipid-soluble substance from semen which stimulatesuterine smooth muscle contraction and named it prostaglandin ()
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1961, 83, 3080) made the first total synthesis of arachidonic acid.
Imai J demonstrated that the oxidative desaturation of a saturated fatty acid (palmitic acid) is depressed in diabetic rats ().
Kennedy EP described the general pathways of the glycerolipid biosynthesis in animal cells ().
Bremer J et al.
Now factors that promote protein synthesis such as IGF-1, growth hormone (GH), testosterone and some prostaglandins can commence the growth process. Protein synthesis occurs because a genetically-coded subtsance called 'messenger RNA' (mRNA) is sent out from the nucleus to the ribosomes. The nucleus is believed to release increased mRNA in response to tension and/or myofibrillar damage done as a result of insufficient cycling of actin-myosin cross-bridges during intense muscular contractions, though this mechanism is not fully understood. The mRNA contains the 'instructions' for the ribosomes to synthesize proteins, and so the process of constructing contractile (actin and myosin) and structural proteins (for the other components of the cell) from the amino acids taken into the cell from the bloodstream is set off. Several substances can influence this process. A short overview of the major ones are found below: