ovalbumin has been researched along with Lung-Diseases--Interstitial* in 2 studies
1 trial(s) available for ovalbumin and Lung-Diseases--Interstitial
1 other study(ies) available for ovalbumin and Lung-Diseases--Interstitial
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Dexamethasone and lactoferrin induced PMN-MDSCs relieved inflammatory adverse events of anti-cancer therapy without tumor promotion.
In this era of immune checkpoint inhibitors, inflammatory adverse events of anti-cancer therapies continue to pose a major challenge. Glucocorticoids, as the mainstay, were limited by serious side effects. Glucocorticoids induce myeloid-derived suppressor cells (MDSCs), and lactoferrin-induced polymorphonuclear MDSCs (PMN-MDSCs) were shown to relieve inflammatory conditions. Combined treatment with dexamethasone (DXM) and lactoferrin increased the generation of PMN-MDSCs in vitro (DXM/lactoferrin PMN-MDSCs) compared to DXM or lactoferrin treatment alone. DXM/lactoferrin PMN-MDSCs were distinct from tumor PMN-MDSCs in vivo with regard to gene expression profiles. DXM upregulated the myeloid cell response to lactoferrin by inducing the lactoferrin receptor Lrp1. DXM/lactoferrin PMN-MDSCs presented anti-bacterial capability, increased PGE2 production, increased survival capability, and decreased tumor tissue homing. Transfer of DXM/lactoferrin PMN-MDSCs relieved cisplatin-induced acute kidney failure, bleomycin-induced interstitial pneumonia, and allergic pneumonitis effectively without promoting tumor development. Our study shows that DXM/lactoferrin PMN-MDSCs are a promising cell therapy for inflammatory adverse events of anti-cancer therapies. Topics: Acute Kidney Injury; Adoptive Transfer; Animals; Anti-Inflammatory Agents; Bleomycin; Cell Line, Tumor; Cisplatin; Dexamethasone; Disease Models, Animal; Drug Therapy, Combination; Female; Humans; Lactoferrin; Lung Diseases, Interstitial; Male; Mice, Inbred BALB C; Mice, Inbred C57BL; Myeloid-Derived Suppressor Cells; Ovalbumin; Phenotype; Pneumonia | 2021 |