Evidence map›Paper›PMID 25942599›Full record

ArticleCellular & molecular immunology2016

Therapeutic effects of the artemisinin analog SM934 on lupus-prone MRL/lpr mice via inhibition of TLR-triggered B-cell activation and plasma cell formation.

Yanwei Wu, Shijun He, Bingxin Bai, Luyao Zhang, Lu Xue, Zemin Lin, Xiaoqian Yang, Fenghua Zhu, Peilan He, Wei Tang and 1 more

Abstract read
In one paragraph

Article in Cellular & molecular immunology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed, 1 pooled it
7.2field-weighted citation impact, top 3% 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

56 citing papers in PubMed, 1 synthesis or guideline pooled it, 105 citations in OpenAlex.

  1. Pooled it
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  19. Triptolide regulates the balance of Tfr/Tfh in lupus mice.Advances in rheumatology (London, England) · 2023
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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

11 authors at 3 institutions in 1 country.

Yanwei WuLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Shijun HeLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Bingxin BaiLaboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Luyao ZhangLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Lu XueLaboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Zemin LinLaboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Xiaoqian YangLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Fenghua ZhuLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Peilan HeLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Wei TangLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Jianping ZuoLaboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Shanghai Institute of Materia Medica · CNShanghai University of Traditional Chinese Medicine · CNChinese Academy of Sciences · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We previously reported that SM934, a water-soluble artemisinin derivative, was a viable treatment in murine lupus models. In the current study, we further investigated the therapeutic effects of a modified dosage regimen of SM934 on lupus-prone MRL/lpr mice and explored its effects on B cell responses, a central pathogenic event in systemic lupus erythematosus (SLE). When orally administered twice-daily, SM934 significantly prolonged the life-span of MRL/lpr mice, ameliorated the lymphadenopathy symptoms and decreased the levels of serum anti-nuclear antibodies (ANAs) and of the pathogenic cytokines IL-6, IL-10 and IL-21. Furthermore, SM934 treatment restored the B-cell compartment in the spleen of MRL/lpr mice by increasing quiescent B cell numbers, maintaining germinal center B-cell numbers, decreasing activated B cell numbers and reducing plasma cell (PC) numbers. Ex vivo, SM934 suppressed the Toll-like receptor (TLR)-triggered activation and proliferation of B cells, as well as antibody secretion. Moreover, the present study demonstrated that SM934 interfered with the B-cell intrinsic pathway by downregulating TLR7/9 mRNA expression, MyD88 protein expression and NF-κB phosphorylation. In human peripheral blood mononuclear cells (PBMCs), consistent with the results in MRL/lpr mice, SM934 inhibited TLR-associated B-cell activation and PC differentiation. In conclusion, a twice daily dosing regimen of SM934 had therapeutic effects on lupus-prone MRL/lpr mice by suppressing B cell activation and plasma cell formation.

Indexed as

AnimalsArtemisininsAutoantibodiesCell CompartmentationCytokinesDisease ProgressionFemaleHumansImmunity, HumoralLupus NephritisLymphadenopathyLymphocyte ActivationMice, Inbred MRL lprMyeloid Differentiation Factor 88Plasma CellsSignal TransductionartemisininArtemisininsAutoantibodiesbeta-aminoarteether maleateCytokinesMyeloid Differentiation Factor 88Toll-Like Receptors

Identifiers

PMID25942599
PMCPMC4856803
OpenAlexW1985253791

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.