Constructing a Smartphone-Controlled Semiautomatic Theranostic System for Glucose Homeostasis in Diabetic Mice.
2021
With the development of mobile communication technology, smartphones have been used in point-of-care technologies (POCTs) as an important part of telemedicine. Using a multidisciplinary design principle coupling electrical engineering, software development, synthetic biology, and optogenetics, the investigators developed a smartphone-controlled semiautomatic theranostic system that regulates blood glucose homeostasis in diabetic mice in an ultraremote-control manner. The present chapter describes how the investigators tailor-designed the implant architecture "HydrogeLED," which is capable of coharboring a designer-cell-carrying alginate hydrogel and wirelessly powered far-red light LEDs. Using diabetes mellitus as a model disease, the in vivo expression of insulin or human glucagon-like peptide 1 (shGLP-1) from HydrogeLED implants could be controlled not only by pre-set ECNU-TeleMed programs, but also by a custom-engineered Bluetooth-active glucometer in a semiautomatic and glycemia-dependent manner. As a result, blood glucose homeostasis was semiautomatically maintained in diabetic mice through the smartphone-controlled semiautomatic theranostic system. By combining digital signals with optogenetically engineered cells, the present study provides a new method for the integrated diagnosis and treatment of diseases.
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