Abstract:
:IL-6 is involved in inflammation and a therapeutic target. 0.1% of Danish blood donors have nanomolar plasma concentrations of polyclonal, picomolar affinity and in vitro as well as in vivo neutralizing IgG autoantibodies to IL-6 (aAb-IL-6). Such donors are assumed to be severely IL-6 deficient; yet they appear healthy and do not exhibit overt clinical or laboratory abnormalities. We induced comparable levels of aAb-IL-6 in different mouse strains by vaccination with immunogenic IL-6 analogues. We observed that the induced aAb-IL-6 protected against collagen-induced arthritis and experimental allergic encephalitis. Furthermore, aAb-IL-6 carrying mice displayed increased plasma TNFalpha concentrations upon challenge with LPS. Taken together, induction of IL-6 autoantibodies was possible in different mouse strains. The autoantibodies influenced experimental inflammation. This immunotherapeutic principle might be a viable alternative in immune competent humans suffering from disorders driven by IL-6.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Galle P,Jensen L,Andersson C,Cuzzocrea S,Di Paola R,Nicoletti F,Svenson M,Bendtzen K,Thomsen AR,Hansen MBdoi
10.1016/j.intimp.2007.08.026subject
Has Abstractpub_date
2007-12-15 00:00:00pages
1704-13issue
13eissn
1567-5769issn
1878-1705pii
S1567-5769(07)00279-2journal_volume
7pub_type
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