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Identification of STAT3 and BIRC5 as anoikis-related biomarkers in psoriasis
Wanting Bai1,2, Kunqin Wang1,2, Shaobo Wu1,2
1Department of Dermatology, Fujian Provincial Hospital, Clinical Medical College of Fujian Medical University, Fuzhou University Affiliated Provincial Hospital, Fuzhou, Fujian, China.
Abstract:
Anoikis is a programmed cell death that occurs when cells detach from the extracellular matrix (ECM). Its role in psoriasis remains unclear. This study aims to explore the relationship between psoriasis and apoptosis, focusing on anoikis-related mechanisms. Differentially expressed genes (DEGs) in psoriasis were identified using the GEO database and overlapped with anoikis-related genes from GeneCards to find differentially expressed anoikis-related genes (DE-ARGs). A PPI network was constructed, revealing eight hub DE-ARGs. These were then analyzed using GO, KEGG and ssGSEA. Immune infiltration cells and molecules were examined, and single-cell data analysis, immunohistochemistry, qRT-PCR, Western blotting, gene mapping, and drug prediction were performed. Eighteen DE-ARGs were identified, with STAT3 and BIRC5 as key DEGs. Enrichment analysis showed DE-ARGs were related to the regulation of anoikis and positive regulation of epithelial cell proliferation. Notable differences in dendritic and mast cells were observed between psoriasis lesions and no-lesion samples. Elevated expression of BIRC5 and STAT3 in psoriasis lesions was confirmed through qRT-PCR, western blotting and immunohistochemistry. This study establishes a relationship between anoikis and psoriasis, where STAT3 and BIRC5 play important roles. STAT3 and BIRC5 may serve as potential targets for the prevention and treatment of psoriasis.
Insights
This study reveals a connection between anoikis, a programmed cell death, and psoriasis. Key genes STAT3 and BIRC5 are implicated, suggesting potential therapeutic targets for psoriasis treatment.
Area of Science:
- Cell Biology
- Immunodermatology
- Genetics
Background:
- Anoikis, a form of programmed cell death triggered by detachment from the extracellular matrix, has an unclear role in psoriasis pathogenesis.
- Understanding anoikis-related mechanisms is crucial for elucidating psoriasis development.
Purpose of the Study:
- To investigate the relationship between psoriasis and apoptosis, specifically focusing on anoikis-related genes.
- To identify key differentially expressed anoikis-related genes (DE-ARGs) in psoriasis and explore their functional significance.
Main Methods:
- Utilized GEO database for psoriasis DEGs, overlapped with anoikis genes from GeneCards to identify DE-ARGs.
- Constructed a protein-protein interaction (PPI) network, performed Gene Ontology (GO), KEGG, and ssGSEA enrichment analyses.
- Conducted immune cell infiltration analysis, single-cell data analysis, qRT-PCR, Western blotting, immunohistochemistry, and drug prediction.
Main Results:
- Identified 18 DE-ARGs, with STAT3 and BIRC5 highlighted as key genes in psoriasis.
- Enrichment analyses indicated DE-ARGs are involved in anoikis regulation and epithelial cell proliferation.
- Confirmed elevated BIRC5 and STAT3 expression in psoriasis lesions and observed differences in dendritic and mast cell populations.
Conclusions:
- Established a significant link between anoikis and psoriasis, underscoring the critical roles of STAT3 and BIRC5.
- STAT3 and BIRC5 represent promising therapeutic targets for psoriasis prevention and treatment.
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