Jeong Pil Han, Yu Ri Nam, Hye Yoon Chung, Haeshin Lee, Su Cheong Yeom
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引用次数: 0
Abstract
The advancement of effective nasal mucoadhesive delivery faces challenges due to rapid mucociliary clearance (MCC). Conventional studies have employed mucoadhesive materials, mainly forming spherical nanoparticles, but these offer limited adhesion to the nasal mucosa. This study hypothesizes that a 2D nanoscale structure utilizing adhesive polyphenols can provide a superior strategy for countering MCC, aligning with the planar mucosal layers. We explore the use of tannic acid (TA), a polyphenolic molecule known for its adhesive properties and ability to form complexes with biomolecules. Our study introduces an unprecedented 2D nanopatch, assembled through the interaction of TA with green fluorescent protein (GFP), and cell-penetrating peptide (CPP). This 2D nanopatch demonstrates robust adhesion to nasal mucosa and significantly enhances immunoglobulin A secretions, suggesting its potential for enhancing nasal vaccine delivery. The promise of a polyphenol-enabled adhesive 2D nanopatch signifies a pivotal shift from conventional spherical nanoparticles, opening new pathways for delivery strategies through respiratory mucoadhesion.
由于粘液纤毛清除(MCC)速度快,有效的鼻粘膜给药技术的发展面临挑战。传统研究采用的粘附材料主要是球形纳米颗粒,但这些材料对鼻粘膜的粘附力有限。本研究假设,利用多酚粘合剂的二维纳米级结构可以提供对抗 MCC 的卓越策略,与平面粘膜层保持一致。我们探索了单宁酸(TA)的使用,这种多酚分子以其粘附性和与生物大分子形成复合物的能力而闻名。我们的研究介绍了一种前所未有的二维纳米贴片,它是通过 TA 与绿色荧光蛋白(GFP)和细胞穿透肽(CPP)的相互作用组装而成的。这种二维纳米贴片对鼻粘膜具有强大的粘附性,并能显著增强免疫球蛋白 A 的分泌,这表明它具有增强鼻腔疫苗递送的潜力。由多酚促成的粘附性二维纳米贴片的前景标志着传统球形纳米粒子的关键转变,为通过呼吸道粘附的递送策略开辟了新的途径。
期刊介绍:
Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including:
- Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale
- Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies
- Modeling and simulation of synthetic, assembly, and interaction processes
- Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance
- Applications of nanoscale materials in living and environmental systems
Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.