Evidence map›Paper›PMID 25393931›Full record

ArticleGenes and immunity

Methylation of NKG2D ligands contributes to immune system evasion in acute myeloid leukemia.

A Baragaño Raneros, V Martín-Palanco, A F Fernandez, R M Rodriguez, M F Fraga, C Lopez-Larrea, B Suarez-Alvarez

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In one paragraph

Article in Genes and immunity. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed, 1 pooled it
2.4field-weighted citation impact, top 11% 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

71 citing papers in PubMed, 1 synthesis or guideline pooled it, 98 citations in OpenAlex.

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  12. Bone marrow immune cells and drug resistance in acute myeloid leukemia.Experimental biology and medicine (Maywood, N.J.) · 2025
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11 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 5 institutions in 1 country.

A Baragaño RanerosDepartment of Immunology, Hospital Universitario Central de Asturias, Oviedo, Spain.
V Martín-PalancoArea of Cell Therapy, Hospital Reina Sofía, Córdoba, Spain.
A F FernandezCancer Epigenetics Laboratory, Instituto Universitario de Oncología del Principado de Asturias (IUOPA-HUCA), Universidad de Oviedo, Oviedo, Spain.
R M RodriguezDepartment of Immunology, Hospital Universitario Central de Asturias, Oviedo, Spain.
M F FragaCancer Epigenetics Laboratory, Instituto Universitario de Oncología del Principado de Asturias (IUOPA-HUCA), Universidad de Oviedo, Oviedo, Spain.
C Lopez-Larrea1] Department of Immunology, Hospital Universitario Central de Asturias, Oviedo, Spain [2] Fundación Renal 'Iñigo Álvarez de Toledo', Madrid, Spain.
B Suarez-AlvarezCellular Biology of Renal Diseases Laboratory, Instituto de Investigación Sanitaria Fundación Jiménez Díaz, Universidad Autónoma Madrid, Madrid, Spain.
Hospital Universitario Central de Asturias · ESUniversidad de Oviedo · ESFundación Renal Española · ESHospital Universitario Fundación Jiménez Díaz · ESHospital Universitario Reina Sofía · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Engagement of the activating receptor NKG2D (natural killer group 2 member D) with its ligands (NKG2DL) major histocompatibility complex class I related-A and -B (MICA/B), UL-16 binding protein families (ULBPs 1-6) is important to ensure the innate immunity to tumor cells. However, these cells have developed strategies to downregulate NKG2DL expression and avoid immune recognition. We demonstrate that DNA methylation can contribute to the absence of NKG2DL expression during tumor progression. We analyzed the DNA methylation profiles for each NKG2DL by pyrosequencing in acute myeloid leukemia (AML), acute lymphocytic leukemia (ALL), hepatocellular carcinoma (HC), breast cancer and colon cancer cell lines. High levels of DNA methylation for NKG2DL were found in some tumor cell lines, mainly in AML cells. This hypermethylation was correlated with the absence of transcription for NKG2DL. Higher DNA methylation levels for MICA, ULBP1 and ULBP2 were observed in AML patients (n=60) compared with healthy donors (n=25). However, no DNA methylation for NKG2DL was found in colon cancer patients (n=44). Treatment with demethylating agents (5-azacytidine and 5-aza-2'-deoxycytidine) restored the expression of NKG2DL on the cell surface of AML cells, leading to an enhanced recognition by NKG2D-expressing cells. Our data suggest that NKG2DL may be aberrantly silenced by DNA methylation as a consequence of tumor development in AML patients.

Indexed as

Tumor EscapeCell Line, TumorDNA MethylationGPI-Linked ProteinsHistocompatibility Antigens Class IHumansLeukemia, Myeloid, AcuteLigandsNK Cell Lectin-Like Receptor Subfamily KGPI-Linked ProteinsHistocompatibility Antigens Class IKLRK1 protein, humanLigandsMHC class I-related chain ANK Cell Lectin-Like Receptor Subfamily K

Identifiers

PMID25393931
OpenAlexW2059055188

What OpenQuestion holds

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Registered trials

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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.