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. 1977 Jan 1;145(1):1–9. doi: 10.1084/jem.145.1.1

Identification of a cell-surface antigen selectively expressed on the natural killer cell

PMCID: PMC2180593  PMID: 187714

Abstract

We have studied the cell-surface phenotype of natural killer (NK) cells of NZB and B6 mice which react to an MuLV+ lymphoid tumor. (a) NK cells do not express Thy1, Ly2, or Ig surface markers. (b) NK cells express an antigen recognized by C3H anti-CE antiserum ('anti-Ly1.2 antiserum'). Inasmuch as NK activity of spleen cells from B6 and B6/Ly1.1 congenic strains were both equally sensitive to C3H anti-CE antiserum, the NK antigen is distinct from Ly1.2. This point was confirmed by the observation that alphaNK activity was removed by absorption of C3H anti-CE antiserum with spleen cells from either B6 or B6/Ly1.1 congenic strains. Absorption of C3H alphaCE serum with BALB/c thymocytes and spleen cells (which are Ly1.2+NK-) removed anti-Ly1.2 activity and left anti-NK activity intact. This absorption step could be circumvented by inserting the BALB/c genotype into the recipient immunized to CE cells (i.e., (C3H X BALB/c)F1 alphaCE spleen cells). This antiserum, provisionally termed 'anti-NK', defines a new subclass of lymphocytes which may play a central role in the immunosurveillance against tumors.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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