Hi, although I don't have any experience with the mentioned cell line, for monocyte-derived DCs I use PBS-EDTA (1 mM) (10' incubation at RT and flushing) or Accutase (http://www.invitrogen.com/site/us/en/home/Products-and-Services/Applications/Stem-Cell-Research/Stem-Cell-Culture/Stem-Cell-Research-Misc/stempro-accutase.htmlHi).