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Heikenwalder, Mathias; Federau, Christian; Boehmer, Lotta von; Schwarz, Petra; Wagner, Mareike; Zeller, Nicolas; Haybaeck, Johannes; Prinz, Marco; Becher, Burkhard; Aguzzi, Adriano (2007). Germinal center B cells are dispensable in prion transport and neuroinvasion. Journal of Neuroimmunology, 192(1-2):113-123.

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Transmissible spongiform encephalopathies (TSEs) are fatal neurodegenerative diseases of animals and humans. Many TSEs are initiated by prion replication in the lymphoreticular system (LRS). The cellular and molecular prerequisites for prion trafficking within the LRS are not fully understood. Here we have manipulated CD40 and its ligand to investigate whether genetic or pharmacological ablation of germinal center B cells (GCBs), which migrate into and out of germinal centers, influences prion pathogenesis. In contrast to previous reports, no alteration of prion pathogenesis was detected in mice lacking CD40L and in mice treated with anti-CD40L antibodies. These results suggest that GCBs alone do not impact peripheral splenic prion transport, replication efficiency, or neuroinvasion, and point to other mechanisms affecting prion transport from lymphoreticular sites of replication to the nervous system.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
04 Faculty of Medicine > University Hospital Zurich > Institute of Neuropathology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Deposited On:11 May 2012 06:35
Last Modified:27 Nov 2013 17:15
Publisher DOI:10.1016/j.jneuroim.2007.09.022
PubMed ID:17964667

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