passages.id: split_5_test_2117_passage
passages.type: progene_text
passages.text: In addition , CD56 + hi NK - cells expressed higher levels of several adhesion molecules such as CD2 , CD11c , CD44 , CD56 , and CD62L compared to CD56 + lo NK - cells , supporting a particular ability of these cells to migrate from blood to tissues and/or a potential advantage to form conjugates with target cells .