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Bladder EpiCheck Kit is intended for the qualitative detection of DNA methylation patterns of 15 loci in human DNA that are associated with transitional cell carcinoma of the bladder. The test is performed on voided urine samples and run on the ABI® 7500 Fast Dx Real-Time PCR system. Bladder EpiCheck Kit is indicated for use as a non-invasive method to monitor for tumor recurrence in conjunction with cystoscopy in patients previously diagnosed with Non-Muscle Invasive Bladder Cancer.

The Bladder EpiCheck Test is a real-time PCR-based in vitro diagnostic assay intended for the qualitative detection of DNA methylation patterns associated with transitional cell carcinoma of the bladder to monitor for tumor recurrence (in conjunction with cystoscopy) in patients previously diagnosed with non-muscle invasive bladder cancer (NMIBC). The assay consists of a panel of 15 novel DNA methylation (covalent addition of methyl (CH3) groups to the C5 position of the pyrimidine ring of cytosines, typically in a CpG dinucleotide) biomarkers that were found to distinguish between patients with bladder cancer and patients without bladder cancer. The Bladder EpiCheck Test differentiates between methylated and non-methylated DNA, creating a unique platform for methylation profiling of urine specimens towards the detection of bladder cancer recurrence in patients previously diagnosed with the disease. The test is comprised of reagents for end-to-end (sample-to-answer) processing of urine samples (reagents for DNA extraction, DNA digestion, PCR amplification, and analysis software), and is performed using the Applied Biosystems® 7500 Fast Dx Real-Time PCR system. A voided urine specimen is centrifuged, and the cells (both normal and cancerous if present) are separated from the urine supernatant. DNA is then extracted from the cell pellet using the Bladder EpiCheck Extraction kit (P/N NX899090-01C). The extracted DNA is digested using a methylation-sensitive restriction enzyme mix. which cleaves DNA at specific recognition sequences if they are unmethylated. Methylated DNA is protected from enzymatic digestion and therefore remains intact.