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Published on: April 16, 2012
[Changes in the expression of T lymphocyte subsets in ageing mice induced by D-galactose]
Yan-jun Zhang1, Hua-ting Zhu, Sai-nan Huang
1Department of Immunology, Soochow University, Suzhou, China. zhangyj0815@126.com
Aim:
To explore the changes and significance of spleen T cell subsets in ageing mice induced by D-galactose.
Methods:
Ageing mice model was successfully established by 100 g/L D-galactose. The content of IFN-γ and IL-4 in serum was measured by ELISA. T cell subsets were detected by Immunofluorescence technique and flow cytometry.
Results:
The content of IFN-γ and IL-4 in the serum was decreased of model group (P<0.01). The naive T cell related molecule, CD45RA was decreased(P<0.05). T cell activation-related molecule, CD25 was decreased(P<0.05). The Foxp3 in CD4(+);CD25(+); T cell was increased(P<0.01).
Conclusion:
In spleen of the ageing mice, the percentage of naive and active T cell are decreased, but The percentage of CD4(+); Tr subset is increased.
