passages.id: split_5_test_2120_passage
passages.type: progene_text
passages.text: On the other hand , the virtual absence of expression of the CD158a and NKB1 immunoglobulin - like and the greater reactivity for the CD94 lectin - like killer receptors on CD56 + hi in comparison to CD56 + lo NK - cells might determine different MHC-class I specificities for both NK-cell subsets , a possibility that deserves further studies to be confirmed .