Abstract
In experiments on rats it was shown that it is possible to modulate the immune response in a whole organism by activating cold-sensitive TRPM8 ion channel by its agonist menthol. The most pronounced changes in the conditions without external temperature stimulation were related to immune parameters for the spleen cells and immunoglobulin level in blood: the activation of TRPM8 ion channel by menthol enhances antigen binding and inhibits antibody formation in spleen, significantly reduces the level of IgG in blood. Activation of TRPM8 ion channel changes the effect of subsequent temperature exposure—cooling or heating. Preliminary application of menthol eliminates the inhibitory effect of deep cooling on immune response. Stimulation of the antigen binding in spleen at deep heating is inversed to suppression in case of heating on the background of TRPM8 activation by menthol. On the contrary, suppression of antibody formation caused by deep heating is eliminated if heating is carried out on the background of TRPM8 stimulation.It can be suggested that a significant influence of TRPM8 agonist menthol on the immune response is mainly related to changes in signal of the skin temperature afferent nerve fibers where TRPM8 ion channel is expressed.
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