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Investigation of 3D ordered macroporous carbon with different polymer coatings and their application as an oral vaccine carrier.

Abstract：

:3-D ordered macroporous carbon with different polymer coatings were developed as new oral vaccine immunological systems. Poly dimethyl diallyl ammonium (PDDA), polyethyleneimine (PEI) and chitosan (CTS), three different polymers with electropositive or adsorption-promoting properties, were chosen as the coating materials to endow the vaccine delivery systems with different surface properties. The bovine serum albumin (BSA) was used as a model vaccine. The three different polymer coated systems exhibited similar release rate which minimized the influence of release rate. The measured value of immunoglobulin G (IgG) titers suggested that the sustained release rate of BSA from polymer coated systems exhibited no strengthened effect on the immune response but could delay the appearance of the peak of the IgG titers compared with uncoated system. The electrostatic attraction between the mucosal and positively charged carrier would be useful during the whole immune experiment. In addition, using the coating material with the ability of enhancing mucosal adsorption was important in the mid-late period of immune. The immunoglobulin A (IgA) titers induced by the polymer coated systems were significantly higher than that induced by the oral BSA solution or i.m. BSA with Freund's complete adjuvant (FCA) which suggested the successful mucosal immune response of the three different coated systems. Overall, this work provides valuable information for the development of oral vaccine delivery system.

journal_name

Int J Pharm

journal_title

International journal of pharmaceutics

authors

Zhao Q,Zhang Q,Yue Y,Huang J,Di D,Gao Y,Shao X,Wang S

doi

10.1016/j.ijpharm.2015.04.045

subject

Has Abstract

pub_date

2015-06-20 00:00:00

pages

234-41

issue

1-2

eissn

0378-5173

issn

1873-3476

pii

S0378-5173(15)00353-1

journal_volume

487

pub_type

杂志文章

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