Proteomics Research on Muscle-Invasive Bladder Cancer
Author Information
Author(s): Niu Hai Tao, Dong Zhen, Jiang Gang, Xu Ting, Liu Yan Qun, Cao Yan Wei, Zhao Jun, Wang Xin Sheng
Primary Institution: The Affiliated Hospital of Medical College Qingdao University
Hypothesis
The study aims to facilitate candidate biomarkers selection and improve network-based multi-target therapy through comparative proteomics research on muscle-invasive bladder transitional cell carcinoma.
Conclusion
The study identified the proteome expression profile of muscle-invasive bladder cancer cells and normal urothelial cells, providing information for subcellular pattern research of cancer and offering candidate proteins for biomarker panel and network-based multi-target therapy.
Supporting Evidence
- A total of 885 proteins were commonly identified in the 4 paired samples.
- 295 of the 488 proteins specifically expressed in tumor cells had gene ontology cellular component annotation.
- Significant pathway changes were observed between cancer and normal cells, including spliceosome and oxidative phosphorylation.
Takeaway
The researchers looked at proteins in bladder cancer cells to find new markers that could help in diagnosis and treatment.
Methodology
Laser capture microdissection was used to harvest purified muscle-invasive bladder cancer cells and normal urothelial cells from 4 paired samples, followed by two-dimensional liquid chromatography tandem mass spectrometry to identify the proteome expression profile.
Limitations
The study is limited by the small sample size of 4 paired specimens.
Participant Demographics
Patients included 3 males and 1 female, aged between 48 and 61 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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