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| Status |
Public on Feb 26, 2024 |
| Title |
Sox9 switch links regeneration to fibrosis at the single-cell level in mammalian kidneys [RNA-Seq 2] |
| Organism |
Mus musculus |
| Experiment type |
Expression profiling by high throughput sequencing
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| Summary |
The steps governing healing with or without fibrosis within the same microenvironment are unclear. After acute kidney injury (AKI), the injured proximal tubular epithelial cells activate Sox9 for self-restoration. Using head-to-head comparison of injury- induced Sox9-lineages via spatiotemporal mapping, single-cell sequencing, and single-nuclei chromatin accessibility profiling, we identified a dynamic SOX9 switch. Lineages that regenerated epithelia silenced SOX9 and healed without fibrosis (SOX9on-off). In contrast, lineages that maintained Sox9 activity in attempt to regenerate, demarcated by SOX9-induced Cadherin 6 (SOX9on-on CDH6pos ) cell state, generated single-cell Wnt activity to provoke a fibroproliferative response in adjacent fibroblasts, driving AKI to chronic kidney disease. Transplanted human kidneys displayed similar SOX9/CDH6/WNT2B responses post-injury. Thus, we uncovered a mechanism linking fibrosis to sustained efforts to regenerate the injured tissue.
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| Overall design |
RNAseq datasets from FACS-sorted (enriched) control uninjured Slc34a1 expressing proximal tubular epithelial cells (PTECs), cells that activate Sox9 at 48h after kidney ischemia reperfusion injury (IRI), and cells the express Sox9 at d14 after kidney IRI. Each group containing 3 biological replicates.
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| Contributor(s) |
Aggarwal S, Wang Z, Rincon Fernandez Pacheco D, Rinaldi A, Rajewski A, Callemeyn J, Van Loon E, Lamarthée B, Covarrubias AE, Hou J, Yamashita M, Akiyama H, Ananth Karumanchi S, Svendsen CN, Noble PW, Jordan SC, Breunig J, Naesens M, Cippà PE, Kumar S |
| Citation(s) |
38386758 |
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| Submission date |
Dec 08, 2023 |
| Last update date |
Feb 26, 2024 |
| Contact name |
AGCT Core |
| Organization name |
Cedars Sinai Medical Center
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| Department |
BMS
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| Street address |
8687 Melrose Ave, PDC B230
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| City |
West Hollywood |
| State/province |
CA |
| ZIP/Postal code |
90069 |
| Country |
USA |
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| Platforms (1) |
| GPL24247 |
Illumina NovaSeq 6000 (Mus musculus) |
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| Samples (9)
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| GSM7964065 |
uninjured Slc34a1 expressing PTECs, Tamoxifen-labeled, FACS-enriched, biol rep 1 |
| GSM7964066 |
uninjured Slc34a1 expressing PTECs, Tamoxifen-labeled, FACS-enriched, biol rep 2 |
| GSM7964067 |
uninjured Slc34a1 expressing PTECs, Tamoxifen-labeled, FACS-enriched, biol rep 3 |
| GSM7964068 |
cells activating Sox9 at 48h post-IRI, Tamoxifen at IRI, FACS-enriched, biol rep 1 |
| GSM7964069 |
cells activating Sox9 at 48h post-IRI, Tamoxifen at IRI, FACS-enriched, biol rep 2 |
| GSM7964070 |
cells activating Sox9 at 48h post-IRI, Tamoxifen at IRI, FACS-enriched, biol rep 3 |
| GSM7964071 |
cells expressing Sox9 at d14 post-IRI, Tamoxifen d10, d12 post-IRI, FACS-enriched, biol rep 1 |
| GSM7964072 |
cells expressing Sox9 at d14 post-IRI, Tamoxifen d10, d12 post-IRI, FACS-enriched, biol rep 2 |
| GSM7964073 |
cells expressing Sox9 at d14 post-IRI, Tamoxifen d10, d12 post-IRI, FACS-enriched, biol rep 3 |
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| This SubSeries is part of SuperSeries: |
| GSE249781 |
Sox9 switch links regeneration to fibrosis at the single-cell level in mammalian kidneys |
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| Relations |
| BioProject |
PRJNA1050317 |
| Supplementary file |
Size |
Download |
File type/resource |
| GSE249778_Sustained_Sox9_COUNTS.csv.gz |
720.6 Kb |
(ftp)(http) |
CSV |
SRA Run Selector |
| Raw data are available in SRA |
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