Adding this antifreeze protein, rat islet cells were stabilized for 120 hrs at 4 °C.
Tatsuro KAMISHIMA, PLoS ONE 8(9): e73643. doi:10.1371/journal.pone.0073643
Nichirei and NAIST find cryopreservative in flatfish, allows for 120 hrs stabilization of islet cells at 4°C