Evidence map›Paper›PMID 25954126›Full record

ArticleThe Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology2015

Dieckol Attenuates Microglia-mediated Neuronal Cell Death via ERK, Akt and NADPH Oxidase-mediated Pathways.

Yanji Cui, Jee-Yun Park, Jinji Wu, Ji Hyung Lee, Yoon-Sil Yang, Moon-Seok Kang, Sung-Cherl Jung, Joo Min Park, Eun-Sook Yoo, Seong-Ho Kim and 3 more

Open access · hybridAbstract read
In one paragraph

Article in The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
5.1field-weighted citation impact, top 5% 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

25 citing papers in PubMed, 41 citations in OpenAlex.

  1. Review
  2. Phlorotannins fromMarine drugs · 2025
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  4. Antioxidants (Basel, Switzerland) · 2024
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  11. Chemical Analysis of the Ingredients of 20% Aqueous Ethanol Extract ofEvidence-based complementary and alternative medicine : eCAM · 2021
    Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Neuroprotective mechanisms of dieckol against glutamate toxicity through reactive oxygen species scavenging and nuclear factor-like 2/heme oxygenase-1 pathway.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2019
    Article
  17. Article
  18. Article
  19. Nobiletin attenuates neurotoxic mitochondrial calcium overload through KThe Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2018
    Article
  20. Review
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

13 authors at 1 institution in 1 country.

Yanji CuiDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Jee-Yun ParkDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Jinji WuDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Ji Hyung LeeDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Yoon-Sil YangDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Moon-Seok KangDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Sung-Cherl JungDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Joo Min ParkDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Eun-Sook YooDepartment of Pharmacology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Seong-Ho KimBotaMedi Inc. 307 Jeju Bio-industry Center, Jeju 690-121, Korea.
Sangmee Ahn JoDepartment of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine and Department of Pharmacology, Dankook University, Cheonan 330-951, Korea.
Kyoungho SukDepartment of Pharmacology, Kyungpook National University School of Medicine, Daegu 700-842, Korea.
Su-Yong EunDepartment of Physiology, Jeju National University School of Medicine, Jeju 690-756, Korea.
Jeju National University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Excessive microglial activation and subsequent neuroinflammation lead to synaptic loss and dysfunction as well as neuronal cell death, which are involved in the pathogenesis and progression of several neurodegenerative diseases. Thus, the regulation of microglial activation has been evaluated as effective therapeutic strategies. Although dieckol (DEK), one of the phlorotannins isolated from marine brown alga Ecklonia cava, has been previously reported to inhibit microglial activation, the molecular mechanism is still unclear. Therefore, we investigated here molecular mechanism of DEK via extracellular signal-regulated kinase (ERK), Akt and nicotinamide adenine dinuclelotide phosphate (NADPH) oxidase-mediated pathways. In addition, the neuroprotective mechanism of DEK was investigated in microglia-mediated neurotoxicity models such as neuron-microglia co-culture and microglial conditioned media system. Our results demonstrated that treatment of anti-oxidant DEK potently suppressed phosphorylation of ERK in lipopolysaccharide (LPS, 1 µg/ml)-stimulated BV-2 microglia. In addition, DEK markedly attenuated Akt phosphorylation and increased expression of gp91 (phox) , which is the catalytic component of NADPH oxidase complex responsible for microglial reactive oxygen species (ROS) generation. Finally, DEK significantly attenuated neuronal cell death that is induced by treatment of microglial conditioned media containing neurotoxic secretary molecules. These neuroprotective effects of DEK were also confirmed in a neuron-microglia co-culture system using enhanced green fluorescent protein (EGFP)-transfected B35 neuroblastoma cell line. Taken together, these results suggest that DEK suppresses excessive microglial activation and microglia-mediated neuronal cell death via downregulation of ERK, Akt and NADPH oxidase-mediated pathways.

Indexed as

AktDieckolgp91phoxMicrogliaNeuron-microglia co-culture

Identifiers

PMID25954126
PMCPMC4422961
OpenAlexW2270838642

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.