Cell-Cell Contact Proteins in Antigen-Specific and Antigen-Nonspecific Cellular Cytotoxicity

  • Michail V. Sitkovsky
  • Martin A. Schwartz
  • Herman N. Eisen
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 187)


The lysis of target cells (TCs) by cytotoxic T lymphocytes (CTLs) is probably mediated by proteins in the CTL plasma membrane. While the physiology of CTL-TC interactions has been described in detail (1-3), little is known about the molecular organization of the CTL surface membrane in the contact area of CTL-TC conjugates. The ability of certain alloantisera and monoclonal antibodies to inhibit CTL-mediated cytotoxicity in the absence of complement has served to identify functionally important CTL cell surface molecules: Lyt-2 (4,5) and lymphocyte function-associated antigens (LFA) (6,7). A similar approach has suggested that Lyt 5, also called T200, participates in the lytic mechanism of natural killer (NK) cells (8).


Protein Carrier Iodoacetic Acid Crosslinking Reagent Conjugate Formation Contact Protein 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • Michail V. Sitkovsky
    • 1
  • Martin A. Schwartz
    • 2
  • Herman N. Eisen
    • 1
  1. 1.Department of Biology and Center for Cancer ResearchMassachusetts Institute of TechnologyCambridgeUSA
  2. 2.Department of PhysiologyHarvard Medical SchoolBostonUSA

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