Table 1.

Animal treatment group arrangement

Group	Challenged with	Treated with	Dosage	Administration frequency
1	PMMA	PHPMA	Equivalent to polymer amount in group 4	Monthly i.v. injection, two injections in total
2	PMMA	PBS	0.1 mL	Monthly i.v. injection, two injections in total
3	PMMA	Free Dex	Total Dex dose = 10 mg/kg	Daily i.p. injections for two months
4	PMMA	P-Dex	Equivalent Dex dose = 10 mg/kg	Monthly i.v. injection, two injections in total
5	PMMA	P-Dex	Equivalent Dex dose = 5 mg/kg	Monthly i.v. injection, two injections in total
6	PBS	-	-	-