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2018 ; 9
(ä): 623
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Autoantibodies to Chemokines and Cytokines Participate in the Regulation of
Cancer and Autoimmunity
#MMPMID29651292
Karin N
Front Immunol
2018[]; 9
(ä): 623
PMID29651292
show ga
We have previously shown that predominant expression of key inflammatory
cytokines and chemokines at autoimmune sites or tumor sites induces loss of B
cells tolerance, resulting in autoantibody production against the dominant
cytokine/chemokine that is largely expressed at these sites. These autoantibodies
are high-affinity neutralizing antibodies. Based on animal models studies, we
suggested that they participate in the regulation of cancer and autoimmunity,
albeit at the level of their production cannot entirely prevent the development
and progression of these diseases. We have, therefore, named this selective
breakdown of tolerance as "Beneficial Autoimmunity." Despite its beneficial
outcome, this process is likely to be stochastic and not directed by a
deterministic mechanism, and is likely to be associated with the dominant
expression of these inflammatory mediators at sites that are partially immune
privileged. A recent study conducted on autoimmune regulator-deficient patients
reported that in human this type of breakdown of B cell tolerance is T cell
dependent. This explains, in part, why the response is highly restricted, and
includes high-affinity antibodies. The current mini-review explores this subject
from different complementary perspectives. It also discusses three optional
translational aspects: amplification of autoantibody production as a therapeutic
approach, development of autoantibody based diagnostic tools, and the use of B
cells from donors that produce these autoantibodies for the development of
high-affinity human monoclonal antibodies.