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Bladder Cancer Patients with Elevated SPRR1B Expression Experiencing a Poor Prognosis
Hui Cheng1,2, Runchang Wang3, Lanpeng Lu1
1Institute of Urology, Gansu Province Clinical Research Center for Urinary System Disease, The Second Hospital & Clinical Medical School, Lanzhou University, 730030 Lanzhou, Gansu, China.
Archivos Espanoles De Urologia
|July 10, 2024
Summary
Overexpression of SPRR1B in urothelial bladder carcinoma (UBC) indicates a poor prognosis and survival. This finding positions SPRR1B as a potential prognostic marker and therapeutic target for bladder cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Small proline-rich protein 1B (SPRR1B) is linked to tumor growth and poor survival in various epithelial cancers.
- The specific role of SPRR1B in urothelial bladder carcinoma (UBC) requires further investigation.
Purpose of the Study:
- To elucidate the prognostic and survival significance of SPRR1B in UBC.
- To explore the molecular pathways and immune cell associations related to SPRR1B expression in UBC.
Main Methods:
- Transcriptional profiling of UBC samples using The Cancer Genome Atlas data.
- Bioinformatic analysis for prognostic and survival factor evaluation.
- Gene set enrichment analysis (GSEA) for immune cell and pathway analysis.
- Reverse transcription quantitative real-time PCR and immunohistochemistry for gene and protein expression analysis.
- Spearman correlation test to assess the relationship between SPRR1B and p53.
Main Results:
- SPRR1B expression is significantly elevated in UBC tissues compared to normal tissues.
- High SPRR1B expression correlates with poor prognosis and reduced overall survival (OS) in UBC patients.
- GSEA revealed enrichment in p53, apoptosis, and cell cycle pathways, and associations with B cells, lymphocytes, and natural killer cells.
- SPRR1B expression is negatively correlated with p53 protein expression in UBC tissues.
Conclusions:
- Overexpression of SPRR1B serves as a predictor of poor outcomes in UBC.
- SPRR1B presents potential as a prognostic biomarker and a therapeutic target for UBC.
- Further research is warranted to fully understand SPRR1B's role in UBC progression.
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