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Omics · study · 2026

Gene expression profile in Shh-expressing cells of hair follicles in mouse during CIA

Listed in NCBI GEO

Chemotherapy-induced alopecia (CIA) is a major unsolved adverse effect in clinical oncology.

Description

In previous studies, we proved the Sonic hedgehog(Shh) signaling pathway is a major target of cyclophosphamide (CYP). However, how CYP suppresses Shh gene remains unknown.

In this study, we isolated Shh-expressing cells in hair follicles of Shh-GFP+/- mice treated with CYP and tested the effect of CYP on these cells. The result showed that Shh-expressing cells decreased significantly post-CYP treatment. RNA sequencing data showed that compared with the control group, 536 and 2,439 genes expressed differentially at 12hrs and 24hrs respectively post-CYP treatment.

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KEGG enrichment analysis revealed the p53 and the apoptosis signaling pathway were significantly enriched at 12hrs and 24hrs after CYP injection. The immunofluorescence staining of active Caspase 3 confirmed the apoptosis of Shh-expressing cells at 12 hours post-CYP treatment. GSEA analysis, ChIP assay, and AG-490 rescue assay revealed the IFN/JAK/STAT1 signaling pathway participated in regulating Shh during CIA.

The results of this study demonstrated the decrease of Shh during CIA not only because of the loss of Shh-expressing cells but also because of the down expression of Shh in Shh-expressing cells. Moreover, this study also proved that apoptosis is the main reason for the loss of Shh-expressing cells, while the IFN/JAK/STAT1 signaling pathway may play an important role in the downregulation of Shh.

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Life Sciences
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RNA sequencing 75% · Sequencing 75%
Provenance · 1 source records, 9 field assertions
SourceKeyLast seenRaw
NCBI GEOGSE27725715 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NCBI GEOconnector:ncbi_geo@1.0.0
concepts[field].local:field:life-sciencesmapping · NCBI GEOconnector:ncbi_geo@1.0.0
concepts[method].geo_series_type:expression-profiling-by-high-throughput-sequencingsource · NCBI GEOconnector:ncbi_geo@1.0.0/gdstype
concepts[modality].local:modality:rna-seqenrichment · NCBI GEOkeyword-concept-rules@1.0.0title+description (75%)
concepts[modality].local:modality:sequencingenrichment · NCBI GEOkeyword-concept-rules@1.0.0title+description (75%)
concepts[organism].NCBITaxon:10090source · NCBI GEOconnector:ncbi_geo@1.0.0/taxon
descriptionsource · NCBI GEOconnector:ncbi_geo@1.0.0/summary
publication_datesource · NCBI GEOconnector:ncbi_geo@1.0.0
titlesource · NCBI GEOconnector:ncbi_geo@1.0.0/title