Collections / Collagen Alignment and Spatial Transcriptomics Analysis (CASTA) reveals gene programs associated with collagen alignmet in colorectal cancer

Collagen Alignment and Spatial Transcriptomics Analysis (CASTA) reveals gene programs associated with collagen alignmet in colorectal cancer

The use of immune checkpoint blockade is limited to the minority of colorectal cancers that are highly infiltrated by CD8+ T cells. Therefore, a method to improve CD8+ T-cell infiltration has the potential to expand the use immune checkpoint blockade to more patients. Barriers of aligned collagen surrounding tumors have been proposed as one mechanisim of CD8+ T-cell exclusion. We use 5 colorectal cancer patient samples to examine the relationship between collagen alignment and gene expression.

Datasets5
Size~186 MB
AssayVisium
Samplehuman · colon
KindOther
Flag a data issue
www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE311294 ↗
Python · sddb client
from sddb import Catalog

cohort = Catalog().collection("geo-gse311294")
cohort.members        # the 5 datasets as a table

print(cohort.licenses())              # check the terms before you download

sdatas = cohort.to_dict()             # {uid: SpatialData}, cached locally
# or keep the .zarr files in a folder of your choice:
# sdatas = cohort.to_dict(dest="data/")
Python · lamindb

Needs pip install lamindb and network access to the Lamin database, which is limited during the alpha. If it fails, use the Client tab.

import lamindb as ln

db = ln.DB("scverse/spatialdata-db")
coll = db.Collection.get(key="geo-gse311294")
coll.ordered_artifacts.to_dataframe()   # the 5 members, ordered

# download every member .zarr to the local cache:
paths = [a.cache() for a in coll.ordered_artifacts.all()]
Shell
# sddb client: download every member .zarr into data/
sddb-cli download --collection geo-gse311294 --dest data/

Licenses: 5 NCBI GEO policy

Open in Vitessce
Visium
Human colon
GSM9322959
human colon colorectal carcinoma 24.4 MB 3,673 spots silver H&E NCBI GEO policy
TechnologyVisium
Organismhuman
Tissuecolon
Conditioncolorectal carcinoma
Size24.4 MB
Spots3,673
silver H&E NCBI GEO policy Open in Vitessce
Open in Vitessce
Visium
Human colon
GSM9322958
human colon colorectal carcinoma 61.7 MB 4,732 spots silver H&E NCBI GEO policy
TechnologyVisium
Organismhuman
Tissuecolon
Conditioncolorectal carcinoma
Size61.7 MB
Spots4,732
silver H&E NCBI GEO policy Open in Vitessce
Open in Vitessce
Visium
Human colon
GSM9322957
human colon colorectal carcinoma 47.2 MB 3,742 spots silver H&E NCBI GEO policy
TechnologyVisium
Organismhuman
Tissuecolon
Conditioncolorectal carcinoma
Size47.2 MB
Spots3,742
Magnificationother · 5.505 µm/px
silver H&E NCBI GEO policy Open in Vitessce
Open in Vitessce
Visium
Human colon
GSM9322960
human colon colorectal carcinoma 31.5 MB 4,362 spots silver H&E NCBI GEO policy
TechnologyVisium
Organismhuman
Tissuecolon
Conditioncolorectal carcinoma
Size31.5 MB
Spots4,362
silver H&E NCBI GEO policy Open in Vitessce
Open in Vitessce
Visium
Human colon
GSM9322961
human colon colorectal carcinoma 21.2 MB 4,564 spots silver H&E NCBI GEO policy
TechnologyVisium
Organismhuman
Tissuecolon
Conditioncolorectal carcinoma
Size21.2 MB
Spots4,564
silver H&E NCBI GEO policy Open in Vitessce

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