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Abstract
The cytokine milieu of the T cell zones in lymphoid organs is involved in the activation of naive T cells. Quantitative data regarding the local expression of cytokines are lacking. Therefore, the expression of Th1 (IL-2, IL-12p40, IFN-γ), Th2 (IL-4, IL-10), as well as TGFβ1 and IL-15 mRNA was studied after laser microdissection in the steady state and during an immune response in rats. Our results show that Th1 cytokines are preferentially found in lymphoid tissues and in the T cell zones, whereas Th2 cytokines are expressed throughout the organs and especially in the B cell zones. After injection of sheep RBC, IL-2 and IFN-γ mRNA are significantly increased in the T cell zone only, a change not seen by analyzing the whole spleen. Studying the spatial and temporal expression of genes will reveal new insights into the regulation of immune responses.
Originalsprache | Englisch |
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Zeitschrift | Journal of Immunology |
Jahrgang | 176 |
Ausgabenummer | 2 |
Seiten (von - bis) | 741-749 |
Seitenumfang | 9 |
ISSN | 0022-1767 |
DOIs | |
Publikationsstatus | Veröffentlicht - 15.01.2006 |
Strategische Forschungsbereiche und Zentren
- Forschungsschwerpunkt: Gehirn, Hormone, Verhalten - Center for Brain, Behavior and Metabolism (CBBM)
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Regulation der Expression von Oberflächenmolekülen auf B- und T-Lymphozyten bei ihrer Wanderung durch lymphatische Gewebe
Westermann, J. (Projektleiter*in (PI))
01.01.02 → 31.12.11
Projekt: DFG-Projekte › DFG Einzelförderungen