The high demand for acute kidney injury (AKI) therapy calls the development of multifunctional nanomedicine for renal management with programmable pharmacokinetics. Here, we developed a renal-accumulating DNA nanodevice with exclusive kidney retention for longitudinal protection of AKI in different stages in a renal ischemia-reperfusion (I/R) model. Due to the prolonged kidney retention time (>12 h), the ROS-sensitive nucleic acids of the nanodevice could effectively alleviate oxidative stress by scavenging ROS in stage I, and then the anticomplement component 5a (aC5a) aptamer loaded nanodevice could sequentially suppress the inflammatory responses by blocking C5a in stage II, which is directly related to the cytokine storm. This sequential therapy provides durable and pathogenic treatment of kidney dysfunction based on successive pathophysiological events induced by I/R, which holds great promise for renal management and the suppression of the cytokine storm in more broad settings including COVID-19.
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