Evidence map›Paper›PMID 28238066›Full record

ArticleJournal of molecular neuroscience : MN2017

Crocin Inhibits Oxidative Stress and Pro-inflammatory Response of Microglial Cells Associated with Diabetic Retinopathy Through the Activation of PI3K/Akt Signaling Pathway.

Xinguang Yang, Fuquan Huo, Bei Liu, Jing Liu, Tao Chen, Junping Li, Zhongqiao Zhu, Bochang Lv

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In one paragraph

Article in Journal of molecular neuroscience : MN, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
68citing papers in PubMed, 3 pooled it
5.2field-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

68 citing papers in PubMed, 3 syntheses or guidelines pooled it, 129 citations in OpenAlex.

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8 more citing papers are in PubMed but not listed here.

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 4 institutions in 1 country.

Xinguang YangShaanxi Ophthalmic Medical Center, Xi'an No. 4 Hospital, Guangren Hospital Affiliated to School of Medicine of Xi'an Jiaotong University, No. 21 Jiefang Road, Xi'an, Shaanxi, 710004, People's Republic of China.
Fuquan HuoDepartment of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Ministry of Education, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
Bei LiuShaanxi Ophthalmic Medical Center, Xi'an No. 4 Hospital, Guangren Hospital Affiliated to School of Medicine of Xi'an Jiaotong University, No. 21 Jiefang Road, Xi'an, Shaanxi, 710004, People's Republic of China.
Jing LiuShaanxi Ophthalmic Medical Center, Xi'an No. 4 Hospital, Guangren Hospital Affiliated to School of Medicine of Xi'an Jiaotong University, No. 21 Jiefang Road, Xi'an, Shaanxi, 710004, People's Republic of China.
Tao ChenDepartment of Anatomy, Histology and Embryology and K. K. Leung Brain Research Centre, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, People's Republic of China.
Junping LiDepartment of Anatomy, Histology and Embryology, Ningxia Medical University, Yinchuan, Ningxia, 750004, People's Republic of China.
Zhongqiao ZhuShaanxi Ophthalmic Medical Center, Xi'an No. 4 Hospital, Guangren Hospital Affiliated to School of Medicine of Xi'an Jiaotong University, No. 21 Jiefang Road, Xi'an, Shaanxi, 710004, People's Republic of China. drzhuzhongqiao@163.com.
Bochang LvShaanxi Ophthalmic Medical Center, Xi'an No. 4 Hospital, Guangren Hospital Affiliated to School of Medicine of Xi'an Jiaotong University, No. 21 Jiefang Road, Xi'an, Shaanxi, 710004, People's Republic of China. lyubochang@163.com.
Shaanxi Provincial People's Hospital · CNAir Force Medical University · CNNingxia Medical University · CNXi'an Jiaotong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Diabetic retinopathy (DR) is a serious microvascular complication of diabetes mellitus that is closely associated with the degeneration and loss of retinal ganglion cells (RGCs) caused by diabetic microangiopathy and subsequent oxidative stress and an inflammatory response. Microglial cells are classed as neurogliocytes and play a significant role in neurodegenerative diseases. Over-activated microglial cells may cause neurotoxicity and induce the death and apoptosis of RGCs. Crocin is one of the two most pharmacologically bioactive constituents in saffron. In the present study, we focused on the role of microglial cells in DR, suggesting that DR may cause the over-activation of microglial cells and induce oxidative stress and the release of pro-inflammatory factors. Microglial cells BV-2 and N9 were cultured, and high-glucose (HG) and free fatty acid (FFA) were used to simulate diabetes. The results showed that HG-FFA co-treatment caused the up-regulated expression of CD11b and Iba-1, indicating that BV-2 and N9 cells were over-activated. Moreover, oxidative stress markers and pro-inflammatory factors were significantly enhanced by HG-FFA treatment. We found that crocin prevented the oxidative stress and pro-inflammatory response induced by HG-FFA co-treatment. Moreover, using the PI3K/Akt inhibitor LY294002, we revealed that PI3K/Akt signaling plays a significant role in blocking oxidative stress, suppressing the pro-inflammatory response, and maintaining the neuroprotective effects of crocin. In total, these results provide a new insight into DR and DR-induced oxidative stress and the inflammatory response, which provide a potential therapeutic target for neuronal damage, vision loss, and other DR-induced complications.

Indexed as

AnimalsAntioxidantsCarotenoidsCell LineDiabetic RetinopathyHumansInflammation MediatorsMiceMicrogliaOxidative StressPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktSignal TransductionAntioxidantsCarotenoidscrocinInflammation MediatorsPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktCrocinDiabetic retinopathyMicroglial cellsPI3K/Akt

Identifiers

PMID28238066
OpenAlexW2589638439

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.