Evidence map›Paper›PMID 25183272›Full record

ArticleAsian Pacific journal of tropical biomedicine2014

Jeju seaweeds suppress lipopolysaccharide-stimulated proinflammatory response in RAW 264.7 murine macrophages.

Eun-Jin Yang, Ji-Young Moon, Sang Suk Kim, Kyong-Wol Yang, Wook Jae Lee, Nam Ho Lee, Chang-Gu Hyun

Abstract read
In one paragraph

Article in Asian Pacific journal of tropical biomedicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
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

7 citing papers in PubMed.

  1. Trial
  2. Article
  3. Anti-Inflammatory Effects ofCurrent issues in molecular biology · 2025
    Article
  4. Review
  5. Article
  6. Review
  7. Article
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.

Eun-Jin YangCosmetic Science Center, Department of Chemistry, Jeju National University, Jeju 690-756, Korea ; Jeju Technopark, Ara-1-dong, Jeju-si, Jeju 690-121, Korea.
Ji-Young MoonCosmetic Science Center, Department of Chemistry, Jeju National University, Jeju 690-756, Korea ; Jeju Technopark, Ara-1-dong, Jeju-si, Jeju 690-121, Korea.
Sang Suk KimCosmetic Science Center, Department of Chemistry, Jeju National University, Jeju 690-756, Korea ; Citrus Research Station, National Institute of Horticultural & Herbal Science, RDA, Jeju 699-946, Korea.
Kyong-Wol YangJeju Love Co., Ltd., 542-5 Haengwon-ri, Gujwa-eup, Jeju 695-975, Korea.
Wook Jae LeeJeju Technopark, Ara-1-dong, Jeju-si, Jeju 690-121, Korea.
Nam Ho LeeCosmetic Science Center, Department of Chemistry, Jeju National University, Jeju 690-756, Korea.
Chang-Gu HyunCosmetic Science Center, Department of Chemistry, Jeju National University, Jeju 690-756, Korea ; LINC Agency, Jeju National University, Ara-1-dong, Jeju 690-756, Korea.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo investigate the anti-inflammatory effects of Jeju seaweeds on macrophage RAW 264.7 cells under lipopolysaccharide (LPS) stimulation.

methodsEthyl acetate fractions were prepared from five different types of Jeju seaweeds, Dictyopteris divaricata (D. divaricata), Dictyopteris prolifera (D. prolifera), Prionitis cornea (P. cornea), Grateloupia lanceolata (G. lanceolata), and Grateloupia filicina (G. filicina). They were screened for inhibitory effects on proinflammatory mediators and cytokines such as nitric oxide (NO), prostaglandin E2, tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6).

resultsOur results revealed that D. divaricata, D. prolifera, P. cornea, G. lanceolata, and G. filicina potently inhibited LPS-stimulated NO production (IC50 values were 18.0, 38.36, 38.43, 32.81 and 37.14 µg/mL, respectively). Consistent with these findings, D. divaricata, D. prolifera, P. cornea, and G. filicina also reduced the LPS-induced and prostaglandin E2 production in a concentration-dependent manner. Expectedly, they suppressed the expression of inducible NO synthase and cyclooxygenase-2 at the protein level in a dose-dependent manner in the RAW 264.7 cells, as determined by western blotting. In addition, the levels of TNF-α and IL-6, released into the medium, were also reduced by D. divaricata, D. prolifera, P. cornea, G. lanceolata, and G. filicina in a dose-dependent manner (IC50 values for TNF-α were 16.11, 28.21, 84.27, 45.52 and 74.75 µg/mL, respectively; IC50 values for IL-6 were 37.35, 80.08, 103.28, 62.53 and 84.28 µg/mL, respectively). The total phlorotannin content was measured by the Folin-Ciocalteu method and expressed as phloroglucinol equivalents. The content was 92.0 µg/mg for D. divaricata, 151.8 µg/mg for D. prolifera, 57.2 µg/mg for P. cornea, 53.0 µg/mg for G. lanceolata, and 40.2 µg/mg for G. filicina.

conclusionsThus, these findings suggest that Jeju seaweed extracts have potential therapeutic applications for inflammatory responses.

Indexed as

Interleukin-6Nitric oxideProinflammatory mediatorsProstaglandin E2SeaweedsTumor necrosis factor-α

Identifiers

PMID25183272
PMCPMC4032826

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.