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Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Matter 2020 ; 3 (1): 287-301 Nephropedia Template TP
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Calming Cytokine Storm in Pneumonia by Targeted Delivery of TPCA-1 Using Platelet-Derived Extracellular Vesicles #MMPMID32835220
Ma Q; Fan Q; Xu J; Bai J; Han X; Dong Z; Zhou X; Liu Z; Gu Z; Wang C
Matter 2020[Jul]; 3 (1): 287-301 PMID32835220show ga
Pneumonia can cause high morbidity and mortality because of uncontrolled inflammation in the lung tissue. Calming the cytokine storm may be one key to saving the life of patients with severe pneumonia. Here, inspired by the intrinsic affinity of platelets to the site of inflammation, we have engineered platelet-derived extracellular vesicles (PEVs) for pneumonia-targeted drug delivery. It is demonstrated that PEVs that are easily generated from the activated platelets can selectively target pneumonia in the mouse model with acute lung injury (ALI). By loading with [5-(p-fluorophenyl)-2-ureido]thiophene-3-carboxamide (TPCA-1), which can inhibit the production of inflammatory factors, the PEVs significantly improve therapeutic benefits by inhibiting the infiltration of pulmonary inflammatory cells and calming local cytokine storm compared with the free drug-treated group. Furthermore, we find that PEVs could serve as a broad platform that can selectively target various inflammatory sites, including chronic atherosclerotic plaque, rheumatoid arthritis, and wounds associated with skin.