Next-Generation Intestinal Toxicity Model of Human Embryonic Stem Cell-Derived Enterocyte-Like Cells.

Next-Generation Intestinal Toxicity Model of Human Embryonic Stem Cell-Derived Enterocyte-Like Cells.
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DOI:
10.3389/fvets.2021.587659
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发表时间:
2021
影响因子:
3.2
通讯作者:
Kim CY
Kim CY
中科院分区:
农林科学2区
文献类型:
--
作者:
Ryu B;Son MY;Jung KB;Kim U;Kim J;Kwon O;Son YS;Jung CR;Park JH;Kim CY

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胃肠道是外源性物质最常见的暴露途径,肠道毒性在大多数情况下可导致全身毒性。重要的是开发模拟人体系统的肠道毒性试验;因此,干细胞正在迅速发展为毒性评估的新范例。在这项研究中,我们建立了人胚胎干细胞(hESC)衍生的肠上皮细胞样细胞(ELC),并将其与现有的体内和体外模型进行比较。我们发现hESC-ELC和体内模型显示出与商业化细胞系相比总共10,020个基因的转录组相似的表达模式。此外,我们处理的hESC-ELC,在体内大鼠,Caco-2细胞,和Hutu-80细胞与四分之一对数单位的致死剂量50或致死浓度50的八种药物氯霉素,放线菌酮,阿糖胞苷,双氯芬酸,氟尿嘧啶,吲哚美辛,甲氨蝶呤,和土霉素,然后分析生物分子标记物和形态学变化。虽然四种模型在一般毒理学反应方面表现出相似的趋势,但hESC-ELC与体内模型的相关性比永生化细胞系更强。这些结果表明,hESC-ELC可以作为下一代肠道毒性模型。
The gastrointestinal tract is the most common exposure route of xenobiotics, and intestinal toxicity can result in systemic toxicity in most cases. It is important to develop intestinal toxicity assays mimicking the human system; thus, stem cells are rapidly being developed as new paradigms of toxicity assessment. In this study, we established human embryonic stem cell (hESC)-derived enterocyte-like cells (ELCs) and compared them to existing in vivo and in vitro models. We found that hESC-ELCs and the in vivo model showed transcriptomically similar expression patterns of a total of 10,020 genes than the commercialized cell lines. Besides, we treated the hESC-ELCs, in vivo rats, Caco-2 cells, and Hutu-80 cells with quarter log units of lethal dose 50 or lethal concentration 50 of eight drugs—chloramphenicol, cycloheximide, cytarabine, diclofenac, fluorouracil, indomethacin, methotrexate, and oxytetracycline—and then subsequently analyzed the biomolecular markers and morphological changes. While the four models showed similar tendencies in general toxicological reaction, hESC-ELCs showed a stronger correlation with the in vivo model than the immortalized cell lines. These results indicate that hESC-ELCs can serve as a next-generation intestinal toxicity model.
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