> Therefore, this study examined the effects of late middle-aged (18-month-old) male and female C57BL6/J mice receiving two intranasal doses of hiPSC-NSC-EVs on neuroinflammaging in the hippocampus at 20.5 months of age.
The link to the actual paper was appreciated.
The context of whether findings will generalize outside of mouse models can depend a lot on specifics of the problem.