- Author:
Bozena OBMINSKA-MRUKOWICZ
1
;
Marianna SZCZYPKA
;
Bartosz GAWEDA
Author Information
- Publication Type:Original Article
- Keywords: B and T lymphocyte subsets; chitosan; mice
- MeSH: Animals; B-Lymphocyte Subsets/*drug effects/metabolism; Chitosan/*analogs&derivatives/*pharmacology; Dose-Response Relationship, Drug; Female; Immunologic Factors/pharmacology; Lymphoid Tissue/drug effects/metabolism; Male; Mice; Mice, Inbred BALB C; T-Lymphocyte Subsets/*drug effects/metabolism
- From:Journal of Veterinary Science 2006;7(2):157-160
- CountryRepublic of Korea
- Language:English
- Abstract: This study examined the subsets of T lymphocytes in the thymus, spleen and mesenteric lymph nodes as well as the subsets of B lymphocytes in the spleen and mesenteric lymph nodes in mice administered chitosan adipate (20 mg/kg) intraperitoneally once or four times at 24 h intervals. The results showed that chitosan adipate decreased the percentage of immature CD4+CD8+ thymic T cells and increased the percentage of mature CD4+ and CD8+ thymocytes. The most significant stimulating effect was observed after four injections. A single exposure to chitosan adipate increased the percentage of CD4+ mesenteric lymph node cells, but four injections of the drug increased the percentage of CD4+ and CD8+ mesenteric lymph node cells. Chitosan adipate had no effect on the subset of splenic T cells. In contrast, chitosan adipate administered either once or four times increased the percentage of CD19+ splenocytes but had no effect on the percentage of CD19+ mesenteric lymph node cells. Overall, chitosan adipate induces the maturation and differentiation of thymocytes, and regulates the number of B splenic cells and lymph node T cells irrespective of the number of doses.