Original ResearchPublished 12 October 2026Low-frequency passive mechanical stimulation produces antidepressant-like effects in rats involving gut–brain axis modulationRong Gao · Wenjing Pu · Yifei Lv · Liqiong Liu · Yan Zhao · Hao Liu · Li Chen · Nan Guan · Hongen LiFrontiers in Immunologydoi 10.3389/fimmu.2026.1928978