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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.6
- 수록면
- 230 - 243 (14page)
- DOI
- 10.1007/s13206-023-00097-0
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초록· 키워드
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The intestinal epithelium is a major barrier through which orally administered drugs must pass. The intestinal mucosa on the epithelium acts as an additional barrier that protects the intestinal cells from foreign substances, thereby interfering with drug delivery. Caco-2 based cell culture model is a standard in vitro model system for testing drug uptake. However, current in vitro models do not reflect the absorption mechanism of drugs accurately due to the absence of the mucus layer.
Here, we developed a microfluidic gut-mucus chip using Caco-2 cells coated with mucin protein. It was confirmed that the mucin layer was maintained under flow conditions by Alcian blue/Periodic Acid Schif (PAS) staining. In addition, the effect of mucosal layer on drug absorption in the flow environment was examined. Mucus-adhesive particles can be useful for delivery of drugs across the intestinal epithelium. We prepared mucus-adhesive and non-adhesive microparticles containing fluorescent molecules and compared the adhesion of these particles in flow condition. Mucus-coated Caco-2 cells provide a more physiologically realistic intestinal epithelial environment to study uptake processes of drugs released from the mucus-adhesive particles. We hope that the gut-mucus chip could potentially be used as novel and more accurate in vitro models of the intestine.
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