... proteinsPSA or PSMA were evident in 5 patients (p1, p7, p8, p9,p10), indicating that at least some of the exosomespresent in the urine were of prostate origin. Given the var-iation in band intensity ... of urine(for at least 18 hours at 37°C) (Figure 6c).DiscussionWe present the findings of a pilot study, investigating uri-nary exosomes in prostate cancer patients. We had twomain aims in ... mirroredby changes in urinary exosomes. In this report, we present a pilot study with the key aim of evaluating the feasibility of studying urine exosomes of PCa patients, as tools for monitoring response...