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Mahanti, S., Majhi, A., Chongdar, S., Kundu, K., Dutta, K., Basu, A. and Bishayi, B. (2012) Increased Resistance of Immobilized-Stressed Mice to Infection: Correlation with Behavioral Alterations. Brain, Behavior, and Immunity, 28, 115-127.

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• TITLE: Inhibition of T Cell and Stimulation of B Cell Proliferation by Restraint Stress Mediated by Voltage-Gated Potassium Channel 1.3 Expression

  AUTHORS: Juan Feng, Shiqiang Wang, Demao Song

  KEYWORDS: Restraint Stress, Kv1.3, Proliferation, T/B Cell

  JOURNAL NAME: American Journal of Molecular Biology, Vol.5 No.3, July 22, 2015

  ABSTRACT: Our previous study has showed that restraint stress inhibits T cell proliferation. Kv1.3 plays a key role in the lymphocyte activation process. Here, we investigate the effects of restraint stress on murine splenic T and B cell proliferation and the role of Kv1.3 in the process. 3H-TdR incorporation is used to determine changes in splenocyte proliferation stimulated by Con A or LPS between control and restraint stress groups. The data shows that restraint stress inhibits T cell and enhanced B cell proliferation. Data from RT-PCR and Western blotting shows that Kv1.3 gene and protein levels are downregulated in T cells and upregulated in B cells in stressed mice. To examine a possible cause-and-effect relationship between Kv1.3 and stress-affected lymphocyte proliferation, we employ various Kv1.3 specific blockers (quinine, 4-AP and TEA) to determine K+ channel function under restraint stress. The data shows that Kv1.3 blockers reverse the decreased T cell proliferation and increase B cell proliferation induced by restraint stress. These results indicate that Kv1.3 mediates restraint stress-induced modulation of T/B lymphocyte proliferation.