Intranasal administration also reaches peak plasma concentrations faster (1530 minutes vs 6090 minutes oral), which may affect timing relative to cognitive tasks
Therefore, we are confident that the GFP signal in murine tissues is due to the TAT-GFP protein that, secreted at the intestinal level, is transported to the various tissues through blood circulation, as further confirmed by the absence of bacterial DNA in the analyzed tissues
"Frank Grillo Joins 'Underworld' Creator Kevin Grevioux's Action-Adventure 'King of Killers'"
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However, like all treatments, they can have side effects
Clinical Status Human RCT | Observational | Animal | In vitro Primarily studied in preclinical and regional aging research contexts, with limited exploratory human data