HESCA-1 (Human Embryonic Stem Cell Antigen-1)

May be stored at 4 °C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20 °C. Aliquots are stable for at least 12 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Recognizes H1, BG-01, BG01v, and BF02 human embryonic stem (hES) cell lines. Unreactive for differentiated stem cells in teratomas and common feeder lines such as MEF, D-551, and Hs27. Reactivity with other hES lines has not yet determined.