Programmable CRISPR-Cas9 microneedle patch for long-term capture and real-time monitoring of universal cell-free DNA

Author:

Yang Bin,Kong JilieORCID,Fang XueenORCID

Abstract

AbstractRecent advances in biointerfaces have led to the development of wearable devices that can provide insights into personal health. As wearable modules, microneedles can extract analytes of interest from interstitial fluid in a minimally invasive fashion. However, some microneedles are limited by their ability to perform highly effective extraction and real-time monitoring for macromolecule biomarkers simultaneously. Here we show the synergetic effect of CRISPR-activated graphene biointerfaces, and report an on-line wearable microneedle patch for extraction and in vivo long-term monitoring of universal cell-free DNA. In this study, this wearable system enables real-time monitoring of Epstein-Barr virus, sepsis, and kidney transplantation cell-free DNA, with anti-interference ability of 60% fetal bovine serum, and has satisfactory stable sensitivity for 10 days in vivo. The experimental results of immunodeficient mouse models shows the feasibility and practicability of this proposed method. This wearable patch holds great promise for long-term in vivo monitoring of cell-free DNA and could potentially be used for early disease screening and prognosis.

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry,Multidisciplinary

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