Comparison of IPSC-derived Human Intestinal Epithelial Cells with Caco-2 Cells and Human in Vivo Data After Exposure to Lactiplantibacillus Plantarum WCFS1

Overview

Journal Sci Rep

Specialty Science

Date 2024 Nov 3

PMID 39488516

Authors

Aafke W F Janssen

Benthe van der Lugt

Loes P M Duivenvoorde

Arjan Paul Vos

Shanna Bastiaan-Net

Monic M M Tomassen

Janine A C Verbokkem

Emmie Blok-Heimerikx

Guido J E J Hooiveld

Peter van Baarlen

Laurent Ferrier

Meike van der Zande

Affiliations

Soon will be listed here.

Abstract

To investigate intestinal health and its potential disruptors in vitro, representative models are required. Human induced pluripotent stem cell (hiPSC)-derived intestinal epithelial cells (IECs) more closely resemble the in vivo intestinal tissue than conventional in vitro models like human colonic adenocarcinoma Caco-2 cells. However, the potential of IECs to study immune-related responses upon external stimuli has not been investigated in detail yet. The aim of the current study was to evaluate immune-related effects of IECs by challenging them with a pro-inflammatory cytokine cocktail. Subsequently, the effects of Lactiplantibacillus plantarum WCFS1 were investigated in unchallenged and challenged IECs. All exposures were compared to Caco-2 cells and in vivo data where possible. Upon the inflammatory challenge, IECs and Caco-2 cells induced a pro-inflammatory response which was strongest in IECs. Heat-killed L. plantarum exerted the strongest effect on immune parameters in the IEC model, while L. plantarum in the stationary growth phase had most pronounced effects on immune-related gene expression in Caco-2 cells. Unfortunately, comparison to in vivo transcriptomics data showed limited similarities, which could be explained by essential differences in the study setups. Altogether, hiPSC-derived IECs show a high potential as a model to study immune-related responses in the intestinal epithelium in vitro.

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