Diboronate-Modified Hyaluronic Acid for Glucose-Responsive Insulin Delivery

. 2025 Apr 14 ; 26 (4) : 2700-2707. [epub] 20250326

Jazyk angličtina Země Spojené státy americké Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid40143560

Diabetes requires precise insulin management to maintain glycemic control and prevent severe complications. Glucose-responsive delivery systems envision an autonomous approach to improve insulin therapy. Here, a glucose-sensitive insulin delivery system comprising hyaluronic acid conjugated with a diboronate glucose binder as a carrier for diol-modified insulin is shown. This approach seeks improved precision in insulin delivery, leveraging bidentate glucose binding to achieve enhanced glucose affinity and specificity. Modification of insulin with a diol motif preserves its native conformation and function. These insulin formulations correct blood glucose in diabetic mice, including glucose-responsive function when subjected to a glucose challenge. However, the absence of secondary interactions, such as electrostatic complexation, ultimately limits the duration of function relative to that of previous platforms. Integrating complementary interactions alongside dynamic-covalent glucose binders therefore enhances the functional duration and therapeutic efficacy in the design of glucose-responsive polymeric carriers, offering design insights into the development of new carriers for glucose-responsive insulin delivery.

Citace poskytuje Crossref.org

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