ArticleEuropean journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V2021
The potential of porcine ex vivo platform for intestinal permeability screening of FcRn-targeted drugs.
Article in European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 4 citations in OpenAlex.
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Authors and funding
4 authors at 4 institutions in 3 countries.
Funding
Abstract
Conventionally, the intestinal permeability of drugs is evaluated using cell monolayer models that lack morphological, physiological and architectural features, as well as realistic neonatal Fc receptor (FcRn) expression. In addition, it is time-consuming, expensive and excessive to use a large number of mice for large-scale screening of FcRn-targeted candidates. For preclinical validation, it is critical to use suitable models that mimic the human intestine; the porcine ex vivo model is widely used for intestinal permeability studies, due to its physiological and anatomical similarities to humans. This study intended to analyze the potential to measure the intestinal permeability of FcRn-targeted substances using a porcine ex vivo platform, which is able to analyze 96 samples at the same time. In addition, the platform allows the screening of FcRn-targeting substances for transmucosal delivery, taking into consideration (cross-species) receptor-ligand binding kinetics. After analyzing the morphology of the porcine tissue, the FcRn expression across the gastrointestinal tract was verified. By studying the stomach, duodenum and jejunum, it was demonstrated that FcRn expression is maintained for up to 7 days. When evaluating the duodenum permeability of free engineered human albumin variants, it was shown that the variant with the mutation K573P (KP) is more efficiently transported. Given this, the porcine ex vivo platform was revealed to be a potential model for the screening of FcRn-targeted oral drug formulations.
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Registered trials
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