Molecular serological diagnosis in transitional cell bladder cancer

Annals of the New York Academy of Sciences
Rolf von KnoblochRainer Hofmann

Abstract

There are no reliable serological tumor markers for transitional cell carcinoma (TCC) of the urinary bladder. Fluorescent microsatellite analysis (MSA) was used to detect serum-DNA alterations in patients with bladder cancer. Prospectively, fresh tumor-, peripheral blood-, and serum-specimens were collected from 58 consecutive patients treated for TCC of the bladder to obtain the corresponding DNA. DNA was extracted by the phenol-chloroform method from tumors and blood lymphocytes. Serum DNA was isolated by a commercial kit. Fluorescent MSA was performed with a total of 17 polymorphic markers from chromosomal regions 5q, 8p, 9p, 9q, 13q, 14q, 17p, 17q, and 20q in the 58 cancer specimens as well as in specimens from 20 healthy controls. Detection of allelic imbalance and loss of heterozygosity in the tumor and serum specimens was carried out on an automated laser sequencer. Serum-DNA alterations were identified in 79.3% (46/58). Four healthy controls displayed serum-DNA artefacts rendering a specificity of 80%. The highest frequency of serum-DNA alterations (38%) was detected for chromosomal region 8p. Chromosomes 5q, 9p, and 20q showed serum-DNA alterations in 20% to 23%. Identification of tumor-specific serum-DNA alterations w...Continue Reading

References

Oct 23, 2001·International Journal of Cancer. Journal International Du Cancer·R von KnoblochR Hofmann
Apr 12, 2002·International Journal of Cancer. Journal International Du Cancer·Rolf von KnoblochRainer Hofmann
Feb 12, 2004·Clinical Cancer Research : an Official Journal of the American Association for Cancer Research·Rolf von KnoblochRainer Hofmann

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Citations

Oct 20, 2006·Critical Reviews in Clinical Laboratory Sciences·Qinghua FengNancy B Kiviat
Dec 15, 2010·Expert Review of Proteomics·Kristina SchwambornCorinna Henkel

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