Collections / Spatial transcriptomics profiling of NDMA-induced liver injury in Mgmt-deficient mice across sex and time

Spatial transcriptomics profiling of NDMA-induced liver injury in Mgmt-deficient mice across sex and time

Spatial transcriptomics (10x Genomics Visium) was performed on fresh-frozen liver tissue (left lobe) from Mgmt-/- mice treated with N-nitrosodimethylamine (NDMA) or saline vehicle during the juvenile period. The study includes male and female mice sacrificed at 10 weeks or 10 months post-birth to characterize spatially resolved transcriptomic changes associated with NDMA-induced liver damage and potential carcinogenesis over time. Mice carried the RaDR+/+; GPT+/+ genotype enabling detection of recombination and mutation events. Tissue sections were processed using the 10x Visium workflow, H&E stained, imaged, permeabilized for spatially barcoded cDNA synthesis, and sequenced on an Illumina NextSeq 500.

Datasets4
Size~56 MB
AssayVisium
Samplemouse · left lobe of liver
KindComparison
www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE332601 ↗
Python · lamindb
import lamindb as ln
import spatialdata as sd

coll = ln.Collection.get(key="geo-gse332601")
coll.ordered_artifacts.df()                 # the 4 members, ordered

# download every member .zarr to the local cache:
paths = [a.cache() for a in coll.ordered_artifacts.all()]

# …or load each straight into memory as a SpatialData object:
sdatas = {a.key: sd.read_zarr(a.cache()) for a in coll.ordered_artifacts.all()}
Open in Vitessce
Visium
Mouse left lobe of liver
GSM9751331
mouse left lobe of liver drug-induced liver injury 14 MB 2,407 obs silver H&E
TechnologyVisium
Organismmouse
Tissueleft lobe of liver
Conditiondrug-induced liver injury
Size14 MB
Obs2,407
silver H&E Open in Vitessce
Open in Vitessce
Visium
Mouse left lobe of liver
GSM9751333
mouse left lobe of liver drug-induced liver injury 9.2 MB 3,554 obs silver H&E
TechnologyVisium
Organismmouse
Tissueleft lobe of liver
Conditiondrug-induced liver injury
Size9.2 MB
Obs3,554
silver H&E Open in Vitessce
Open in Vitessce
Visium
Mouse left lobe of liver
GSM9751334
mouse left lobe of liver 9.5 MB 3,906 obs silver H&E
TechnologyVisium
Organismmouse
Tissueleft lobe of liver
Size9.5 MB
Obs3,906
silver H&E Open in Vitessce
Open in Vitessce
Visium
Mouse left lobe of liver
GSM9751332
mouse left lobe of liver 23 MB 3,613 obs silver H&E
TechnologyVisium
Organismmouse
Tissueleft lobe of liver
Size23 MB
Obs3,613
silver H&E Open in Vitessce

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