thus , we conclude that cell sorting with monoclonal anti-nk-1.1 antibody provides a powerful tool for examining the mechanisms underlying various states of low nk activity , and there exist nk-1.1+ , nonlytic , interferon-unresponsive cells which apparently require an intact marrow microenvironment for differentiation into mature , lytic nk cells .
C0007634
cells
C0007589
differentiation