Article ; Online: Facilitated Transport across Glycocalyceal Barriers in the Chick Chorioallantoic Membrane.
2023 Volume 16, Issue 1
Abstract: Targeted drug delivery to visceral organs offers the possibility of not only limiting the required dose, but also minimizing drug toxicity; however, there is no reliable method for delivering drugs to the surface of visceral organs. Here, we used six ... ...
| Abstract | Targeted drug delivery to visceral organs offers the possibility of not only limiting the required dose, but also minimizing drug toxicity; however, there is no reliable method for delivering drugs to the surface of visceral organs. Here, we used six color tracers and the chick chorioallantoic membrane (CAM) model to investigate the use of the heteropolysaccharide pectin to facilitate tracer diffusion across the glycocalyceal charge barrier. The color tracers included brilliant blue, Congo red, crystal violet, indocyanine green, methylene blue, and methyl green. The direct application of the tracers to the CAM surface or embedding tracers into linear-chain nanocellulose fiber films resulted in no significant diffusion into the CAM. In contrast, when the tracers were actively loaded into branched-chain pectin films, there was significant detectable diffusion of the tracers into the CAM. The facilitated diffusion was observed in the three cationic tracers but was limited in the three anionic tracers. Diffusion appeared to be dependent on ionic charge, but independent of tracer size or molecular mass. We conclude that dye-loaded pectin films facilitated the diffusion of color tracers across the glycocalyceal charge barrier and may provide a therapeutic path for drug delivery to the surface of visceral organs. |
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| Language | English |
| Publishing date | 2023-12-19 |
| Publishing country | Switzerland |
| Document type | Journal Article |
| ZDB-ID | 2527146-5 |
| ISSN | 2073-4360 ; 2073-4360 |
| ISSN (online) | 2073-4360 |
| ISSN | 2073-4360 |
| DOI | 10.3390/polym16010004 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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