PAX2 is involved in kidney and breast development 11, 12, and although its expression was initially thought to be silenced at the end of the process 13, expression of PAX2 has been found in adult, differentiated breast cells 14 buy propecia online year Human breast cancer cell lines, MCF 7, MDA MB 436, Hs578 and Bcap 37 were maintained in Dulbecco s Modified Eagle Medium DMEM with 10 FBS, 4T1 mammary tumor cell line was cultured in RPMI 1640 with 10 FBS