A prospective multicenter study on bladder cancer: the COBLAnCE cohort

BMC Cancer

Table 2 Sample collection

Time of collection	Sample	Derived products	Storage
Enrollment	(1) Blood	DNA, RNA, PBMLs	−80 °C and liquid nitrogen
	(2) Stabilized urine Frozen urine	DNA, RNA Proteins	−80 °C −80 °C
	(3) Frozen tumor FFPE	DNA, RNA, proteins DNA, RNA	−80 °C −80 °C
	(4) Nail		Room temperature
12 months after enrollment	(1) Stabilized urine Frozen urine	DNA, RNA Proteins	−80 °C −80 °C
At each recurrence	(1) Frozen tumor FFPE	DNA, RNA, proteins DNA, RNA	−80 °C −80 °C

PBMLs, peripheral blood mononuclear leukocytes; FFPE, formalin-fixed paraffin-embedded

ISSN: 1471-2407