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Supramolecular hydrogel of non-steroidal anti-inflammatory drugs: preparation, characterization and ocular biocompatibility

机译:非甾体抗炎药的超分子水凝胶:制备,表征和眼部生物相容性

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A supramolecular hydrogel based on a peptide (GFFY) and non-steroidal anti-inflammatory drugs (naproxen and ibuprofen) was synthesized for use as a topical gel. Using a heating–cooling strategy, the drug–peptide derivatives could self-assemble into nanofibers in aqueous solution to produce a supramolecular hydrogel. The different drug molecules used as the capping group had a profound effect on the self-assembly behaviour measured by circular dichroism. The supramolecular hydrogels were confirmed by rheological measurements to be thixotropic and had no apparent toxicity in vitro against HCEC and L-929 cells after 24 h incubation. More importantly, an in vivo ocular biocompatibility test indicated that the supramolecular hydrogels were well tolerated in rabbits and had satisfactory ocular biocompatibility, suggesting that they are promising candidates for the delivery of ocular drugs.
机译:合成基于肽(GFFY)和非甾体抗炎药(NaProxen和布洛芬)的超分子水凝胶以用作局部凝胶。使用加热冷却策略,药物肽衍生物可以自组装成水溶液中的纳米纤维,以产生超分子水凝胶。用作封端组的不同药物分子对通过圆形二色性测量的自组装行为具有深远的影响。通过流变测量来证实超分子水凝胶是触变性的,在24小时孵育后,体外对HCEC和L-929细胞没有表观毒性。更重要的是,体内眼生物相容性试验表明,超分子水凝胶在兔子中耐受良好,并且具有令人满意的眼部生物相容性,表明它们是递送眼药药物的候选者。

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