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The triple combination DBDx alleviates cytokine storm and related lung injury. | LitMetric

The triple combination DBDx alleviates cytokine storm and related lung injury.

Int Immunopharmacol

State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Published: December 2024

AI Article Synopsis

Article Abstract

Cytokine storm is a life-threatening disorder, and therapeutic treatments are urgently needed. Here, we investigated the anti-cytokine storm efficacy of DBDx, a triple drug combination composed of dipyridamole, ubenimex and dexamethasone. Evaluated by lipopolysaccharide (LPS)-induced cytokine storm murine model, DBDx significantly improved survival rate and prolonged survival time of the model mice. Notably, the efficacy of DBDx was higher than that of dipyridamole, ubenimex and dexamethasone. Determined by ELISA, DBDx significantly reduced the LPS-stimulated serum levels of TNF-α, IL-6 and IL-1β in mice. Luminex assay showed that DBDx suppressed the serum levels of a wide variety of inflammatory cytokines and chemokines, which was more potent than dexamethasone alone. Otherwise, DBDx exerted similar inhibitory effects on cytokine profiles in bronchoalveolar lavage fluid. Histopathological observation showed that DBDx significantly reduced the LPS-induced thickening of alveolar septum, indicating its suppression of capillary congestion, edema and neutrophil infiltration in the lung. Ultra-structure analysis showed that DBDx suppressed the LPS-induced morphological changes of microvilli in type II pneumocytes. In vitro experiment showed that DBDx inhibited IL-6 and TNF-α secretion in THP-1 cells, and downregulated TLR4/NF-κB/HIF-1α signaling pathway. All of these results demonstrate that DBDx, a triple combination of clinical orally-administered drugs, can alleviate cytokine storm and related lung injury. DBDx is beneficial for treating cytokine storm disorders.

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Source
http://dx.doi.org/10.1016/j.intimp.2024.113431DOI Listing

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