Article ; Online: Characterization of alternative mRNA splicing in cultured cell populations representing progressive stages of human fetal kidney development.
2022 Volume 12, Issue 1, Page(s) 19548
Abstract: Nephrons are the functional units of the kidney. During kidney development, cells from the cap mesenchyme-a transient kidney-specific progenitor state-undergo a mesenchymal to epithelial transition (MET) and subsequently differentiate into the various ... ...
| Abstract | Nephrons are the functional units of the kidney. During kidney development, cells from the cap mesenchyme-a transient kidney-specific progenitor state-undergo a mesenchymal to epithelial transition (MET) and subsequently differentiate into the various epithelial cell types that create the tubular structures of the nephron. Faults in this transition can lead to a pediatric malignancy of the kidney called Wilms' tumor that mimics normal kidney development. While human kidney development has been characterized at the gene expression level, a comprehensive characterization of alternative splicing is lacking. Therefore, in this study, we performed RNA sequencing on cell populations representing early, intermediate, and late developmental stages of the human fetal kidney, as well as three blastemal-predominant Wilms' tumor patient-derived xenografts. Using this newly generated RNAseq data, we identified a set of transcripts that are alternatively spliced between the different developmental stages. Moreover, we found that cells from the earliest developmental stage have a mesenchymal splice-isoform profile that is similar to that of blastemal-predominant Wilms' tumor xenografts. RNA binding motif enrichment analysis suggests that the mRNA binding proteins ESRP1, ESRP2, RBFOX2, and QKI regulate alternative mRNA splicing during human kidney development. These findings illuminate new molecular mechanisms involved in human kidney development and pediatric kidney cancer. |
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| MeSH term(s) | Humans ; Child ; Alternative Splicing ; RNA, Messenger/genetics ; Wilms Tumor/genetics ; Wilms Tumor/pathology ; Kidney Neoplasms/pathology ; Kidney/pathology ; Cells, Cultured ; RNA Splicing Factors/genetics ; Repressor Proteins/genetics |
| Chemical Substances | RNA, Messenger ; RBFOX2 protein, human ; RNA Splicing Factors ; Repressor Proteins |
| Language | English |
| Publishing date | 2022-11-15 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2615211-3 |
| ISSN | 2045-2322 ; 2045-2322 |
| ISSN (online) | 2045-2322 |
| ISSN | 2045-2322 |
| DOI | 10.1038/s41598-022-24147-z |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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