The molecular mechanism by which CTSB degrades FPN to disrupt macrophage iron homeostasis and promote the progression of atherosclerosis
This dual action (proliferate but dont yet differentiate) is mechanistically distinct from mature IGF-1, which primarily drives differentiation, and explains why MGF and IGF-1Ea have sequential, complementary roles in the muscle regeneration programme: Acute phase (024 hours post-injury): MGF/IGF-1Ec mRNA peaks locally in damaged muscle confirmed at T24 in human muscle following eccentric exercise activating satellite cells to exit quiescence and enter the cell cycle Proliferative phase (2472 hours): Satellite cells proliferate, fuelled by MGF signalling, while differentiation is suppressed Differentiation phase (72120+ hours): IGF-1Ea mRNA rises as MGF declines shifting the programme toward myoblast differentiation, myotube fusion, and myofibre maturation PEG-MGF allows researchers to deliver the MGF signal at controlled intervals across this entire time course without the pharmacokinetic limitations of native MGF
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Woods, A., Garvican-Lewis, L
Alkalinization of urine and systemic pH may alter the distribution and elimination of weak acid and base drugs: serum concentrations of salicylates, barbiturates, methotrexate, and certain tetracyclines can decrease as urinary excretion accelerates, whereas drugs such as amphetamines could demonstrate prolonged effects in an alkaline milieu
