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Diagnostic Value of Rabbit-Derived 47 kDa Epitope-Based Antibodies as a Detection and Evaluation Method for Bladder
Taufiq Nur Budaya1, Kurnia Penta Seputra1, Hani Susianti2
1Department of Urology Saiful Anwar General Hospital, Faculty of Medicine, Universitas Brawijaya, Malang, Indonesia.
Polyclonal antibodies targeting the 47 kDa protein show high sensitivity and specificity for diagnosing bladder cancer. This protein also serves as a prognostic biomarker for patients undergoing trimodal therapy.
Area of Science:
- Oncology
- Immunology
- Biomarker Discovery
Background:
- Bladder cancer diagnosis and prognosis require reliable biomarkers.
- The 47 kDa protein is a potential candidate for bladder cancer assessment.
Purpose of the Study:
- To generate polyclonal antibodies against the 47 kDa protein.
- To evaluate the diagnostic and prognostic value of the 47 kDa protein in bladder cancer.
Main Methods:
- Rabbits were immunized with 47 kDa protein antigens to produce polyclonal antibodies.
- Dot blot technique was used to detect urinary 47 kDa protein levels.
- Antibody performance was assessed for sensitivity and specificity.
- Correlation with Response Evaluation Criteria in Solid Tumors (RECIST) was analyzed.
Main Results:
- The generated antibodies demonstrated high diagnostic accuracy with 98.7% sensitivity and 100% specificity.
- 47 kDa protein levels significantly differed across bladder cancer stages pre- and post-chemotherapy (p=0.000).
- A strong negative correlation was observed between 47 kDa protein levels and RECIST criteria (r=-0.833, p=0.000).
Conclusions:
- The 47 kDa protein exhibits excellent diagnostic potential for bladder cancer.
- The 47 kDa protein can serve as a prognostic biomarker in bladder cancer patients receiving trimodal therapy.
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