production of l-carnosine from carnitine Frontiers Comprehensive review of the expanding

Elevated B12 levels, or hypercobalaminaemia, occur when serum concentrations exceed the upper limit of normal, sometimes reaching several thousand ng/L

Opioid activity of a peptide, beta-lipotropin-(61-91), derived from beta-lipotropin

In an oncogenic context, the IGF family regulates a number of biological processes such as cancer cell proliferation, apoptosis, metabolism and protein synthesis, which are closely associated with the activation of PI3K/AKT signaling, which subsequently promotes the transcription of downstream pro-oncogenic target genes such as c-Myc and HIF-1 (77)

Kinetics of deamination of 5-aza-2-deoxycytidine and cytosine arabinoside by human liver cytidine deaminase and its inhibition by 3-deazauridine, thymidine or uracil arabinoside