Effects of activation of skin ion channels TRPM8, TRPV1, and TRPA1 on the immune response. Comparison with effects of cold and heat exposure

T. V. Kozyreva, G. M. Khramova

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

The effects of pharmacological stimulation of skin ion channels TRPA1, TRPM8, TRPV1 on the immune response are presented. These effects are compared with the effects of different types of temperature exposures - skin cooling, deep cooling, and deep heating. This analysis allows us to clear the differences in the influence on the immune response of thermosensitive ion channels localized in the skin; (2) whether the changes in the immune response under temperature exposures are due to these thermosensitive ion channels. Experiments were performed on Wistar rats. For stimulation of TRPM8 ion channel, an application to the skin of 1% menthol was used, for TRPA1 - 0.04% allylisotiocianate, and for TRPV1 - capsaicin in a concentration of 0.001.The antigen binding in the spleen was two-times stimulated by activation of the cold-sensitive ion channel TRPM8 and much weaker by activation of warm-sensitive TRPV1 (by 15%), and another cold-sensitive ion channel TRPA1 (by 40%). Only the stimulation of TRPA1 significantly (by 140%) increased antibody formation in the spleen, while TRPM8 had practically no effect on this process, and activation of TRPV1 significantly (by 60%) inhibited antibody formation. Stimulation of the TRPM8 ion channel significantly (by 60%) reduced the level of IgG in the blood, which is believed to control of infectious diseases.The obtained results show that pharmacological activation of the skin TRPA1, TRPM8, TRPV1 ion channels can differently affect the immune system. At the epicenter of changes there were the antigen binding and antibody formation in the spleen, as well as the level of IgG in the blood. Exactly stimulation of the TRPM8 ion channel determines the changes in the immune response when only the skin is cooling, while at deep body heating, the changes in the immune response are mostly determined by the activation of the skin TRPV1 ion channel.

Язык оригиналаанглийский
Номер статьи102729
Число страниц7
ЖурналJournal of Thermal Biology
Том93
DOI
СостояниеОпубликовано - окт 2020

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