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Increased In Vivo Glucose Recovery via Nitric Oxide Release

机译:通过一氧化氮释放增加体内葡萄糖恢复

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摘要

The in vivo glucose recovery of subcutaneously implanted nitric oxide (NO)-releasing microdialysis probes was evaluated in a rat model using saturated NO solutions to steadily release NO. Such methodology resulted in a constant NO flux of 162 pmol cm-2 s-1 from the probe membrane over 8 h of perfusion daily. The in vivo effects of enhanced localized NO were evaluated by monitoring glucose recovery over a 14 d period, with histological analysis thereafter. A difference in glucose recovery was observed starting at 7 d for probes releasing NO relative to controls. Histological analysis at 14 d revealed lessened inflammatory cell density at the probe surface and decreased capsule thickness. Collectively, the results suggest that intermittent sustained NO release from implant surfaces may improve glucose diffusion for subcutaneously-implanted sensors by mitigating the foreign body reaction.

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