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SFB 405:  Immune Tolerance and its Disturbances

Subject Area Medicine
Term from 1997 to 2009
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 5481692
 
Immunetolerance comprises a multitude of different functional states of immunological non-reactivity towards foreign and self-structures. Both selection processes during the ontogony of immunocompetent cells and peripheral mechanisms of attenuation ­ the latter are highly dependent on the respective micro-environment in which they occur ­ play an important role to secure a tolerant state or alternatively to attack. Under physiologic circumstances the immune system distinguishes useful from hazardous structures, it tolerates the former and rejects the latter. Impairments in these distinguishing processes result in a large number of chronic diseases which can happen in all tissues of the human body. While in the majority of these diseases clinical symptoms are mediated through effector cells of the immune system the basis of impaired functions does, however, not exist primarly within immunocompetent cells themselves. Rather,alterations in the complex regulatory circuits and interactions between microenvironment and immune system lead to the execution of inappropriate cellular programs with the consequence of unwanted reactions towards antigenic structures. The goal of the collaborative research centre is to gain insight into these extremely complexinteractions in order to identify novel approaches to correct abnormalprograms on the basis of molecular mechanisms.
DFG Programme Collaborative Research Centres

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