The recurrence phenomenon of superficial bladder tumors makes bladder cancer one of the most prevalent cancers world-wide and is therefore a great burden to healthcare systems. Patients with superficial tumors are under continued surveillance by routine cystoscopy examinations of the bladder for early detection of new tumor developments. This is due to the lack of clinically useful markers which can detect the presence of bladder cancer without invasive procedures. Consequently, the development of urinalysis assays using reliable diagnostic markers would be of tremendous benefit to both patients and healthcare systems. This proposal aims to define molecular signature(s) of bladder cancer based on proteomic expression profiles. The protein complement of urine samples will be profiled using a novel combination of two-dimensional, liquid-phase separation and downstream mass mapping techniques. Data comprised of both quantitative and structural information will be correlated with clinical and pathological parameters. Thus, the proposed investigation will identify molecular profiles which are indicative of the presence of bladder cancer. Public health impact: The project seeks insights that will enable improvements in the non-invasive diagnosis of bladder cancer, through analysis of naturally voided urine. This will avoid unnecessary cystoscopy and therefore reduce patient discomfort and reduce health costs. Furthermore, the establishment of an accurate urine-based assay could lead to the development of routine screening of the population.

Agency
National Institute of Health (NIH)
Institute
National Cancer Institute (NCI)
Type
Research Project (R01)
Project #
7R01CA116161-04
Application #
8011028
Study Section
Cancer Biomarkers Study Section (CBSS)
Program Officer
Tricoli, James
Project Start
2007-09-01
Project End
2011-07-31
Budget Start
2010-05-25
Budget End
2010-07-31
Support Year
4
Fiscal Year
2009
Total Cost
$264,521
Indirect Cost
Name
M.D. Anderson Cancer Center Orlando
Department
Type
DUNS #
069242522
City
Orlando
State
FL
Country
United States
Zip Code
32806
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