Evidence map›Paper›PMID 20238486›Full record

ArticleInflammation2010

Schisantherin A exhibits anti-inflammatory properties by down-regulating NF-kappaB and MAPK signaling pathways in lipopolysaccharide-treated RAW 264.7 cells.

Xinxin Ci, Rong Ren, Kan Xu, Hongyu Li, Qinlei Yu, Yu Song, Dacheng Wang, Rongtao Li, Xuming Deng

Abstract read
PubMed Publisher
In one paragraph

Article in Inflammation, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 1 pooled it
1.4field-weighted citation impact, top 17% 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

52 citing papers in PubMed, 1 synthesis or guideline pooled it, 110 citations in OpenAlex.

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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

9 authors at 2 institutions in 1 country.

Xinxin CiDepartment of Veterinary Pharmacology, College of Animal Science and Veterinary Medicine, Jilin University, Changchun, Jilin, 130062, People's Republic of China.
Rong Ren
Kan Xu
Hongyu Li
Qinlei Yu
Yu Song
Dacheng Wang
Rongtao Li
Xuming Deng
Jilin University · CNKunming University of Science and Technology · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Schisantherin A, a dibenzocyclooctadiene lignan isolated from the fruit of Schisandra sphenanthera, has been used as an antitussive, tonic, and sedative agent under the name of Wuweizi in Chinese traditional medicine. In the present study, we carry out a screening program to identify the anti-inflammatory potentials of schisantherin A. We found that schisantherin A reduced lipopolysaccharide (LPS (1 mg/L))-induced levels of TNF-alpha, IL-6, NO, and PGE2 (p<0.01 or p<0.05), and also reduced levels of iNOS and COX-2 in RAW 264.7 macrophages in a concentration-dependent manner. We further investigated signal transduction mechanisms to determine how schisantherin A affects. RAW264.7 cells were pretreated with 0.5, 2.5, or 25 mg/L of schisantherin A 1 h prior to treatment with 1 mg/L of LPS. Thirty minutes later, cells were harvested and mitogen activated protein kinases (MAPKs) activation and I kappaB alpha was measured by Western blot. Alternatively, cells were fixed and nuclear factor-kappaB (NF-kappaB) activation was measured using immunocytochemical analysis. Signal transduction studies showed that schisantherin A significantly inhibited extracellular signal-regulated kinase (ERK), p38, and c-jun NH2-terminal kinase (JNK) phosphorylation protein expression. Schisantherin A also inhibited p65-NF-kappaB translocation into the nucleus by I kappaB alpha degradation. By using specific inhibitors of ERK, JNK and p38, we found that schisantherin A may inhibit TNF-alpha mostly through ERK pathway. Therefore, schisantherin A may inhibit LPS-induced production of inflammatory cytokines by blocking NF-kappaB and MAPKs signaling in RAW264.7 cells.

Indexed as

AnimalsAnti-Inflammatory AgentsCell LineCell SurvivalCyclooctanesCyclooxygenase 2DinoprostoneDioxolesDose-Response Relationship, DrugExtracellular Signal-Regulated MAP KinasesI-kappa B KinaseInflammation MediatorsInterleukin-6JNK Mitogen-Activated Protein KinasesLignansLipopolysaccharidesAnti-Inflammatory AgentsChuk protein, mouseCyclooctanesCyclooxygenase 2DinoprostoneDioxolesExtracellular Signal-Regulated MAP KinasesI-kappa B KinaseInflammation MediatorsInterleukin-6JNK Mitogen-Activated Protein KinasesLignanslipopolysaccharide, E coli O55-B5LipopolysaccharidesNF-kappa BNitric OxideNitric Oxide Synthase Type IINos2 protein, mousep38 Mitogen-Activated Protein KinasesProtein Kinase InhibitorsPtgs2 protein, mouseRela protein, mouseschizandrer ATranscription Factor RelATumor Necrosis Factor-alpha

Identifiers

PMID20238486
OpenAlexW2017264140

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.