Upon perfusion, OPTEC tubules displayed proper polarization and expressed a broad array of proximal-tubule-specific functional markers, exhibiting higher expression levels of basolateral drug transporters, namely organic cationic/carnitine transporter 2 (OCT2), organic anion transporter 1 (OAT1) and OAT3, compared to immortalized PTECs
For example, whereas sulphide-oxidising activity is virtually undetectable in nervous system cells, colonocytes display high expression and activity of SOP enzymes, 131,132,133 consistent with the high H 2 S concentrations that result from gut microbial metabolism
The mobile phase parameters were set according to the following gradient: 013 min of 80% to 20% of mobile phase B
Patel developed a patented topical delivery system that finally gets glutathione where it matters: into the cells
The findings are also supported by another similar study conducted on the effects of Diospyros lotus leaf extract against UVB-induced skin damage in BALB/c mice