Evidence map›Paper›PMID 9560253›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1998

HLA-E is a major ligand for the natural killer inhibitory receptor CD94/NKG2A.

N Lee, M Llano, M Carretero, A Ishitani, F Navarro, M López-Botet, D E Geraghty

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 405 papers.

0numbers the graph read from it
0cells of the map it votes in
405citing papers in PubMed
21.2field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

405 citing papers in PubMed, 1,034 citations in OpenAlex.

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  11. The CD94/NKG2A-HLA-E Axis as a Target in Cancer Immunotherapy: A Critical Perspective.Clinical cancer research : an official journal of the American Association for Cancer Research · 2026
    Review
  12. Article
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  20. Methods for Probing NK Cell Surveillance of Antigen Presentation.Methods in molecular biology (Clifton, N.J.) · 2026
    Article

345 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 3 countries.

N LeeThe Clinical Research Division, Fred Hutchinson Cancer Research Center, 1124 Columbia St., M374, Seattle, WA 98104-2092, USA.
M Llano
M Carretero
A Ishitani
F Navarro
M López-Botet
D E Geraghty
Cancer Research Center · USHospital Universitario de La Princesa · ESCentro de Investigación del Cáncer · ESFred Hutch Cancer Center · US

Funding

BIOCHEMICAL AND FUNCTIONAL ANALYSIS OF HLA EF32AI008911 · NIAID · FRED HUTCHINSON CANCER RESEARCH CENTER · PI LEE, NI · 1994 to 1996
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HLA-G AND MATERNAL/PLACENTAL IMMUNE FUNCTIONR01AI038508 · NIAID · FRED HUTCHINSON CANCER RESEARCH CENTER · PI GERAGHTY, DANIEL E · 1995 to 1999
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NIAID NIH HHS AI08911NIAID NIH HHS AI38508NIAID NIH HHS F32 AI008911
6 · The paper itself

Abstract

We previously showed that the availability of a nonamer peptide derived from certain HLA class I signal sequences is a necessary requirement for the stabilization of endogenous HLA-E expression on the surface of 721.221 cells. This led us to examine the ability of HLA-E to protect HLA class I transfectants from natural killer (NK) cell-mediated lysis. It was possible to implicate the CD94/NKG2A complex as an inhibitory receptor recognizing this class Ib molecule by using as target a .221 transfectant selectively expressing surface HLA-E. HLA-E had no apparent inhibitory effect mediated through the identified Ig superfamily (Ig-SF) human killer cell inhibitory receptors or ILT2/LIR1. Further studies of CD94/NKG2+ NK cell-mediated recognition of .221 cells transfected with different HLA class I allotypes (i.e., -Cw4, -Cw3, -B7) confirmed that the inhibitory interaction was mediated by CD94/NKG2A recognizing the surface HLA-E molecule, because only antibodies directed against either HLA-E, CD94, or CD94/NKG2A specifically restored lysis. Surface stabilization of HLA-E in cold-treated .221 cells loaded with appropriate peptides was sufficient to confer protection, resulting from recognition of the HLA class Ib molecule by the CD94/NKG2A inhibitory receptor. Consistent with the prediction that the ligand for CD94/NKG2A is expressed ubiquitously, our examination of HLA-E antigen distribution indicated that it is detectable on the surface of a wide variety of cell types.

Indexed as

Lectins, C-TypeAntigens, CDCytotoxicity, ImmunologicDimerizationHistocompatibility Antigens Class IHLA AntigensHLA-E AntigensHumansImmunity, CellularKiller Cells, NaturalLigandsMembrane GlycoproteinsNK Cell Lectin-Like Receptor Subfamily DPeptidesReceptors, ImmunologicAntigens, CDHistocompatibility Antigens Class IHLA AntigensHLA-E AntigensKLRD1 protein, humanLectins, C-TypeLigandsMembrane GlycoproteinsNK Cell Lectin-Like Receptor Subfamily DPeptidesReceptors, Immunologic

Identifiers

PMID9560253
PMCPMC20238
OpenAlexW2014208459

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.