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Lin28A Overexpression Triggers Inflammatory Response in Mouse Kidneys

GSE254805 Mus musculus (mouse) RNA-seq (gene expression) 18 samples Submitted 2024/07/16 Platform GPL19057
At a glance

RNA-seq (gene expression) · mouse · 18 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Mus musculus (mouse)
Samples
18 samples: 6 conditions, mostly in triplicateGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
Nephron-Specific Lin28A Overexpression Triggers Severe Inflammatory Response and Kidney DamageInternational journal of biological sciences · 2024
Summary (written by the submitters)
The RNA-binding proteins Lin28A and Lin28B play critical roles in regulating gene expression through distinct mechanisms, including the inhibition of Let-7 microRNA maturation and direct mRNA binding. Predominantly expressed in pluripotent and multipotent stem cells, Lin28A and Lin28B contribute to a variety of biological processes such as development, growth, and tissue regeneration.
Read the full summary ↓
Dysregulation of Lin28A/B expression is associated with numerous types of tumors. In this study, we demonstrate that overexpression of Lin28A in the mouse nephrons leads to severe inflammation and kidney damage, rather than to tumorigenesis. To investigate the causal relationship between kidney damage and inflammation, we utilized steroid treatment to suppress inflammation. This treatment also ameliorated the kidney damage phenotype, indicating that Lin28A overexpression directly induces inflammation, which in turn leads to kidney damage. Notably, Lin28A overexpression causes inflammation only when expressed in nephrons, but not in the stromal cells of the kidneys, highlighting its cell context-dependent nature. The nephron-specific, Lin28A-induced inflammatory response is distinct from the previously described Lin28B-mediated inflammatory feedback loops, as it is not IL-6 dependent. Instead, it is associated with the rapid upregulation of cytokines such as CXCL1 and CCL2. Overall, this study reveals that the impact of abnormal Lin28A expression is broader than previously understood, demonstrating that Lin28A overexpression also plays a role in inflammatory responses. Furthermore, this transgenic mouse model offers a valuable tool for advancing our understanding of the pathophysiology of acute kidney injury (AKI), where inflammation is a key factor.
Published in
Nephron-Specific Lin28A Overexpression Triggers Severe Inflammatory Response and Kidney Damage
Futorian A, Armon L, Waldman Ben-Asher H et al. · International journal of biological sciences 2024 · PMID 39113694 · doi:10.7150/ijbs.97434
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE254805_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA1071984 and SRA study SRP487384. Searching any of these in the dataset finder brings you back here.

Study design
6 conditions, mostly in triplicate
week1 Transgen ×3 week1 WT ×3 week2 Transgen ×3 week2 WT ×3 week5 Transgen ×3 week5 WT ×3

Supports a between-group comparison across 18 samples.

How we read this: 6 replicated groups read from 18 sample titles; they account for 18 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
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