Described are non-invasive methods of detecting the presence of specific nucleic acid sequences as well as nucleic acid modifications and alterations by analyzing urine samples for the presence of transrenal nucleic acids. More specifically, the present invention encompasses methods of detecting specific...http://www.google.ca/patents/USRE39920?utm_source=gb-gplus-sharePatent USRE39920 - Methods for detection of nucleic acid sequences in urine