As a conclusion to this section, it should be noted that no single regulation prohibits or bans informal secondhand markets for EOL devices. The current status of the regulatory body therefore makes it possible for unregistered operations to continue within the formal framework. 3.3. Informal ...
One potential mechanism for such an effect is the regulation by dietary tryptophan of antimicrobial peptide expression via the mTOR pathway in IEC that consequently regulates the gut microbiota composition [109]. Moreover, tryptophan is converted to kynurenine by the 2,3-dioxygenase (IDO) that is ...