Heterozygous mutations of p53- and p16 genes together with chromosomal instability occur early in CP and are clonally expanded, but final inactivation mostly by LOH happens later in pancreatic carcinogenesis. Determination of aneuploidy in pancreatic juice may be of value for early detection and risk assessment in patients with long-standing CP.

The molecular mechanisms for hormone-resistant prostate cancer progression still remain elusive, mainly due to the limited availability of corresponding tissue. As transurethral resection (TUR) is a common palliative therapy for patients with hormone refractory prostate cancer (HRPC) who have subvesical obstruction, we aimed to demonstrate that TUR samples can be used to identify significantly affected biological pathways during the switch to HRPC using oligonucleotide microarray analysis. Among the most significantly deregulated pathways in HRPC, we observed an induction of oxidative phosphorylation and a repression of cytoskeletal components.

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