Relative to systemic synthetic hormones, many peptides have shorter half-lives and more targeted action, which can alleviate systemic side effects and necessitate accurate dosing
IAV infection increases the levels of xanthine oxidase, which is an enzyme responsible for oxygen-free radical generation in mouse serum and lung tissues, thus promoting disease pathogenesis 73
Insulin increases the livers storage of glucose as glycogen, decreasing blood glucose, whereas glucagon stimulates the breakdown of glycogen stores, increasing blood glucose
In this form, the glutathione is wrapped in a layer of lipids (fats), which allows it to pass through the digestive tract intact
As these groups are created 'in the factory' of methylation, it is passed onto another 'worker' so that that worker can do its work