Two technical properties determine whether a liposomal product delivers on its promises: Encapsulation efficiency: the percentage of glutathione that is actually packaged inside the liposomes, rather than floating freely between them as ordinary, unprotected glutathione
After two years of tests and trials, it was finally available for the public in the fall of 2006
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Based on these simple observations and other experiments, a decrease in O 2 affinity was observed to enhance tissue O 2 delivery ( Although these and other data support the possible use of inositol hexaphosphate-loaded erythrocytes as effective treatments to improve the delivery of O 2 to tissues in need, there is an ongoing debate about the advantages of higher or lower hemoglobinoxygen affinity in humans, particularly during hypoxia ( 3.2 Engineering RBC metabolism and storage conditions During their storage at refrigerated temperatures, red blood cells go through several biochemical and morphological modifications known as storage lesion. Indeed, during this period, 2,3-BPG and other high-energy phosphate compounds gradually decrease because of the reduced glycolytic activity at 1C6C storage temperatures, the acidification of the intracellular pH, and the reversible and irreversible oxidation of the active site of rate-limiting glycolytic enzymes, such as glyceraldehyde 3-phosphate dehydrogenase

It is therefore possible that oxidant stress reduces remethylation and enhances transsulfuration to maintain, via an autocorrective process, the intracellular glutathione pool, which would be essential for the redox-regulating capacity of cells