Evidence map›Paper›PMID 22123848›Full record

ArticleBlood2012

HTLV-1 bZIP factor impairs cell-mediated immunity by suppressing production of Th1 cytokines.

Kenji Sugata, Yorifumi Satou, Jun-ichirou Yasunaga, Hideki Hara, Kouichi Ohshima, Atae Utsunomiya, Masao Mitsuyama, Masao Matsuoka

Abstract read
In one paragraph

Article in Blood, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
2.7field-weighted citation impact, top 10% 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

33 citing papers in PubMed, 70 citations in OpenAlex.

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  11. Structural basis for cooperative regulation of KIX-mediated transcription pathways by the HTLV-1 HBZ activation domain.Proceedings of the National Academy of Sciences of the United States of America · 2018
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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

8 authors at 3 institutions in 1 country.

Kenji SugataLaboratory of Virus Control, Institute for Virus Research, Kyoto University, Japan.
Yorifumi Satou
Jun-ichirou Yasunaga
Hideki Hara
Kouichi Ohshima
Atae Utsunomiya
Masao Mitsuyama
Masao Matsuoka
Kyoto University · JPImamura Hospital · JPKurume University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adult T-cell leukemia (ATL) patients and human T-cell leukemia virus-1 (HTLV-1) infected individuals succumb to opportunistic infections. Cell mediated immunity is impaired, yet the mechanism of this impairment has remained elusive. The HTLV-1 basic leucine zipper factor (HBZ) gene is encoded in the minus strand of the viral DNA and is constitutively expressed in infected cells and ATL cells. To test the hypothesis that HBZ contributes to HTLV-1-associated immunodeficiency, we challenged transgenic mice that express the HBZ gene in CD4 T cells (HBZ-Tg mice) with herpes simplex virus type 2 or Listeria monocytogenes, and evaluated cellular immunity to these pathogens. HBZ-Tg mice were more vulnerable to both infections than non-Tg mice. The acquired immune response phase was specifically suppressed, indicating that cellular immunity was impaired in HBZ-Tg mice. In particular, production of IFN-γ by CD4 T cells was suppressed in HBZ-Tg mice. HBZ suppressed transcription from the IFN-γ gene promoter in a CD4 T cell-intrinsic manner by inhibiting nuclear factor of activated T cells and the activator protein 1 signaling pathway. This study shows that HBZ inhibits CD4 T-cell responses by directly interfering with the host cell-signaling pathway, resulting in impaired cell-mediated immunity in vivo.

Indexed as

AnimalsBasic-Leucine Zipper Transcription FactorsCD4-Positive T-LymphocytesCells, CulturedChromatin ImmunoprecipitationCytokinesFemaleFlow CytometryGene Expression RegulationHerpes SimplexHerpesvirus 2, HumanHumansImmunity, CellularInterferon-gammaListeria monocytogenesListeriosisBasic-Leucine Zipper Transcription FactorsCytokinesHBZ protein, human T-cell leukemia virus type IInterferon-gammaRetroviridae ProteinsTranscription Factor AP-1Viral Proteins

Identifiers

PMID22123848
PMCPMC3257009
OpenAlexW2048099266

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.