Primary human pulmonary artery smooth muscle cells cryopreserved at the end of the tertiary culture.
• Viability: at least 70%
• ≥500,000 viable cells/vial
• Capable of at least 16 population doublings
• Mycoplasma: Not Detected
• Hepatitis B: Not Detected
• Hepatitis C: Not Detected
• HIV-1: Not Detected
• Bacteria, yeast, and other fungi: Not Detected
• Negative for von Willebrand factor (vWf)
• Positive for α-actin