Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 Nov 12;15:8875–8892. doi: 10.2147/IJN.S270208

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2020 Lu et al.

This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).

PMC Copyright notice

Ability of PPTA/pVAXI-En to penetrate the BBB and BTB in vitro. (A) Schematic illustration of the in vitro BBB and BTB models. The penetration ratios of PEI/pVAXI-En, PPA/pVAXI-En, PPT/pVAXI-En and PPTA/pVAXI-En in the in vitro BBB model (B) and BTB model (C). * Indicates p<0.05 when compared with PEI/pVAXI-En, ^# indicates p<0.05 when compared with PPA/pVAXI-En, and ^& indicates p<0.05 when compared with PPT/pVAXI-En.