Prostate cells provide a glandular function in the body by generating fluid which serves several functions in reproduction. Lonza's Human Prostate Cells are available from epithelial, smooth muscle, and stromal tissue. Each cell type has an optimized growth media for best results in culture.Prostate Stromal Cells (PrSC) are guaranteed through 15 population doublings and stain positive for vimentin and negative for pan cytokeratin. Cryopreserved PrSC are shipped in third or fourth passage.All cells test negative for mycoplasma, bacteria, yeast and fungi. HIV-1, hepatitis B and hepatitis C are not detected for all donors and/or cell lots. A Certificate of Analysis (CoA) is provided for each cell lot purchased.