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| 001 | 134835 | ||
| 005 | 20240229105043.0 | ||
| 024 | 7 | _ | |a 10.1016/j.jim.2018.03.015 |2 doi |
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| 037 | _ | _ | |a DKFZ-2018-00625 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Michel, Chloe |0 P:(DE-He78)a4cd801173d81a4409262f88a8ecdf55 |b 0 |e First author |u dkfz |
| 245 | _ | _ | |a An efficient protocol for in vivo labeling of proliferating epithelial cells. |
| 260 | _ | _ | |a Amsterdam [u.a.] |c 2018 |b Elsevier Science |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a The study of organogenesis, tissue-homeostasis and regeneration requires the precise assessment of in vivo cell proliferation. To this end a host of methods have been developed to detect and quantify DNA synthesis in proliferating cells. These include cell labeling with various nucleotide analogues and fluorescence reporter-based animal models with each method presenting its idiosyncratic shortcomings. Quantitative assessment of epithelial cell turnover has been partly hampered due to their variable and limited in vivo accessibility and the requirement for harsher isolation procedures to procure single cells for FACS analysis. Here, we report a reliable protocol to study in vivo cell proliferation of epithelial cells in mice by repeatedly injecting EdU intravenously for an extended 12-day period. EdU incorporation was quantitated ex vivo by FACS after tissue dissociation in order to obtain single epithelial cell suspensions. As a lead population, we analyzed thymic epithelial cells (TECs), where we were able to label compartmentalized TEC subsets to saturation without apparent toxic effects on the thymus architecture or stress-sensitive TEC lineage differentiation. The data is in concordance with the prevailing model of medullary TEC terminal differentiation that includes the post-Aire stage. The same protocol was successfully applied to epithelial cells of various other organs - skin, lymph node, kidney and small intestine - tissues with widely varying frequencies and rates of proliferating epithelial cells. |
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| 700 | 1 | _ | |a Kyewski, Bruno |0 P:(DE-He78)08a57258198dcedd8ff8ac7eef40341a |b 3 |u dkfz |
| 700 | 1 | _ | |a Pinto, Sheena |0 P:(DE-He78)d2f9dbffa7b9a979f9bc4d81e769497e |b 4 |e Last author |u dkfz |
| 773 | _ | _ | |a 10.1016/j.jim.2018.03.015 |g Vol. 457, p. 82 - 86 |0 PERI:(DE-600)1500495-8 |p 82 - 86 |t Journal of immunological methods |v 457 |y 2018 |x 0022-1759 |
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