ArticleImmunology2010
Dissociated expression of natural killer 1.1 and T-cell receptor by invariant natural killer T cells after interleukin-12 receptor and T-cell receptor signalling.
Article in Immunology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It has been retracted, and should not be counted. Cited by 2 papers.
What it found
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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.
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.
Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Thymic resident NKT cell subsets show differential requirements for CD28 co-stimulation during antigenic activation.Scientific reports · 2020Article
- Differential Activation of Hepatic Invariant NKT Cell Subsets Plays a Key Role in Progression of Nonalcoholic Steatohepatitis.Journal of immunology (Baltimore, Md. : 1950) · 2018Article
Corrections and comments
- Retraction · 2020-07-31Concerns/Issues about Image · Investigation by Company/Institution ·
- RetractedRetraction.2020
Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Invariant (i) natural killer T (NKT) cells become undetectable after stimulation with alpha-galactosylceramide (alpha-GalCer) or interleukin (IL)-12. Although down-modulation of surface T-cell receptor (TCR)/NKR-P1C (NK1.1) expression has been shown convincingly after stimulation with alpha-GalCer, it is unclear whether this also holds true for IL-12 stimulation. To determine whether failure to detect iNKT cells after IL-12 stimulation is caused by dissociation/internalization of TCR and/or NKR-P1C, or by block of de novo synthesis of these molecules, and to examine the role of IL-12 in the disappearance of iNKT cells after stimulation with alpha-GalCer, surface (s)/cytoplasmic (c) protein expression, as well as messenger RNA (mRNA) expression of TCR/NKR-P1C by iNKT cells after stimulation with alpha-GalCer or IL-12, and the influence of IL-12 neutralization on the down-modulation of sTCR/sNKR-P1C expression by iNKT cells after stimulation with alpha-GalCer were examined. The s/cTCR(+ )s/cNKR-P1C(+) iNKT cells became undetectable after in vivo administration of alpha-GalCer, which was partially prevented by IL-12 neutralization. Whereas s/cNKR-P1C(+) iNKT cells became undetectable after in vivo administration of IL-12, s/cTCR(+) iNKT cells were only marginally affected. mRNA expression of TCR/NKR-P1C remained unaffected by alpha-GalCer or IL-12 treatment, despite the down-modulation of cTCR and/or cNKR-P1C protein expression. By contrast, cTCR(+ )cNKR-P1C(+) sTCR(-) sNKR-P1C(-) iNKT cells and cNKR-P1C(+) sNKR-P1C(-) iNKT cells were detectable after in vitro stimulation with alpha-GalCer and IL-12, respectively. Our results indicate that TCR and NKR-P1C expression by iNKT cells is differentially regulated by signalling through TCR and IL-12R. They also suggest that IL-12 participates, in part, in the disappearance of iNKT cells after stimulation with alpha-GalCer by down-modulating not only sNKR-P1C, but also sTCR.
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Registered trials
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.