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Innate Immune Pathways Associated With Lung Radioprotection By Soy Isoflavones, Lisa M. Abernathy, Matthew D. Fountain, Michael C. Joiner, Gilda G. Hillman
Innate Immune Pathways Associated With Lung Radioprotection By Soy Isoflavones, Lisa M. Abernathy, Matthew D. Fountain, Michael C. Joiner, Gilda G. Hillman
Oncology Faculty Publications
Introduction: Radiation therapy for lung cancer causes pneumonitis and fibrosis. Soy isoflavones protect against radiation-induced lung injury, but the mediators of radio- protection remain unclear. We investigated the effect of radiation on myeloid-derived suppressor cells (MDSCs) in the lung and their modulation by soy isoflavones for a potential role in protection from radiation-induced lung injury.
Methods: BALB/c mice (5–6 weeks old) received a single 10 Gy dose of thoracic irra- diation and soy isoflavones were orally administrated daily before and after radiation at 1 mg/day. Arginase-1 (Arg-1) and nuclear factor κB (NF-κB) p65 were detected in lung tissue by western …