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| Content Provider | Springer Nature Link |
|---|---|
| Author | Boei, Jan J. W. A. Vermeulen, Sylvia Klein, Binie Hiemstra, Pieter S. Verhoosel, Renate M. Jennen, Danyel G. J. Lahoz, Agustin Gmuender, Hans Vrieling, Harry |
| Copyright Year | 2016 |
| Abstract | Differentiated human bronchial epithelial cells in air liquid interface cultures (ALI-PBEC) represent a promising alternative for inhalation studies with rodents as these 3D airway epithelial tissue cultures recapitulate the human airway in multiple aspects, including morphology, cell type composition, gene expression and xenobiotic metabolism. We performed a detailed longitudinal gene expression analysis during the differentiation of submerged primary human bronchial epithelial cells into ALI-PBEC to assess the reproducibility and inter-individual variability of changes in transcriptional activity during this process. We generated ALI-PBEC cultures from four donors and focussed our analysis on the expression levels of 362 genes involved in biotransformation, which are of primary importance for toxicological studies. Expression of various of these genes (e.g., GSTA1, ADH1C, ALDH1A1, CYP2B6, CYP2F1, CYP4B1, CYP4X1 and CYP4Z1) was elevated following the mucociliary differentiation of airway epithelial cells into a pseudo-stratified epithelial layer. Although a substantial number of genes were differentially expressed between donors, the differences in fold changes were generally small. Metabolic activity measurements applying a variety of different cytochrome p450 substrates indicated that epithelial cultures at the early stages of differentiation are incapable of biotransformation. In contrast, mature ALI-PBEC cultures were proficient in the metabolic conversion of a variety of substrates albeit with considerable variation between donors. In summary, our data indicate a distinct increase in biotransformation capacity during differentiation of PBECs at the air–liquid interface and that the generation of biotransformation competent ALI-PBEC cultures is a reproducible process with little variability between cultures derived from four different donors. |
| Starting Page | 2093 |
| Ending Page | 2105 |
| Page Count | 13 |
| File Format | |
| ISSN | 03405761 |
| Journal | Archives of Toxicology |
| Volume Number | 91 |
| Issue Number | 5 |
| e-ISSN | 14320738 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-10-13 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Lung Metabolic activity Gene expression profiling Bronchial epithelial cells Cytochrome P450 Pharmacology/Toxicology Occupational Medicine/Industrial Medicine Environmental Health Biomedicine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Medicine Toxicology |
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