The B12 component reduces nausea through the mechanism described earlier, but does not eliminate it at higher doses
However, the 7,8-DHF brain concentrations showed large variability, which may limit the detection of any differences
Moreover, not all methodologies utilized in these studies are properly validated against the gold standard, i.e., the Ussing chamber, and therefore caution is needed in the interpretation of these permeability data
It has previously been suggested that mucosal immunity tends to be short-lived and that vaccines targeted to the mucosa may be less immunogenic at these sites [43], which are limitations that need to be overcome for efficacious mucosal-targeted vaccines
Mounting evidence supports the existence of a reciprocal connection between drugs and GM, which can influence each other and have an impact on therapeutic outcomes (Bhat et al., 2017)
Tour, V., Drger, A., Luna, A., Dogrusoz, U