Evidence map›Paper›PMID 30581486›Full record

ArticleEvidence-based complementary and alternative medicine : eCAM2018

Lycium Barbarum Polysaccharides Improve Retinopathy in Diabetic Sprague-Dawley Rats.

Qing Yao, Yi Yang, Xiaohong Lu, Qian Zhang, Mingxiu Luo, P Andy Li, Yan Pan

Open access · hybridAbstract read
In one paragraph

Article in Evidence-based complementary and alternative medicine : eCAM, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
2.2field-weighted citation impact, top 13% 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

12 citing papers in PubMed, 27 citations in OpenAlex.

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  6. Distinct Role ofPharmaceuticals (Basel, Switzerland) · 2023
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  8. Effects ofMolecules (Basel, Switzerland) · 2022
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  9. Article
  10. Nutrients · 2021
    Review
  11. The Effect ofInternational journal of molecular sciences · 2020
    Article
  12. 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 at 3 institutions in 2 countries.

Qing YaoDepartment of Biochemistry and Molecular Biology, Ningxia Medical University, Yinchuan, China.ORCID 0000-0002-0801-0321
Yi YangDepartment of Biochemistry and Molecular Biology, Ningxia Medical University, Yinchuan, China.
Xiaohong LuDepartment of Biochemistry and Molecular Biology, Ningxia Medical University, Yinchuan, China.
Qian ZhangDepartment of Biochemistry and Molecular Biology, Ningxia Medical University, Yinchuan, China.
Mingxiu LuoDepartment of Biochemistry and Molecular Biology, Ningxia Medical University, Yinchuan, China.
P Andy LiDepartment of Pharmaceutical Sciences, Biomanufacturing Research Institute and Technological Enterprise (BRITE), North Carolina Central University, Durham, North Carolina, USA.ORCID 0000-0002-8712-3147
Yan PanDepartment of Pharmacology, School of Basic Medical Science, Peking University, Beijing 100191, China.ORCID 0000-0003-3164-5939
Ningxia Medical University · CNNorth Carolina Central University · USPeking University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Diabetic retinopathy (DR) has become the most frequent cause of impaired visual acuity and blindness in working-age population in developed countries. Here we use diabetic rats to clarify the role of Lycium barbarum polysaccharides (LBP) on DR. We treated diabetic rats with LBP (400 mg/kg/d or 200 mg/kg/d) orally for 20 weeks. Electroretinogram (ERGs) and Laser Doppler blood flow were measured to assess the retinal function, routine histology and ultrastructural studies were performed to evaluate the morphological alterations, and immunohistochemistry, western blotting, and RT-PCR were conducted to detect the protein and mRNA levels of pro- and antiangiogenic factors. The results showed that diabetes suppressed the amplitudes of a-wave, b-wave, and oscillatory potential in ERG, reduced retinal blood flow, decreased the thickness of the retina, and increased the thickness of basement membrane of the retinal capillary. Furthermore, diabetes increased the mRNA and protein expressions of proangiogenic GFAP and VEGF and suppressed the levels of antiangiogenic PEDG. Treatment with LBP either completely or partially reversed the alterations caused by diabetes. It is concluded that the LBP protects retinal function and morphology in diabetic rats, probably through reinstallation of the balance between proangiogenic and antiangiogenic factors, which reduces neovascularization. LBP could be used as a therapeutic drug for DR.

Identifiers

PMID30581486
PMCPMC6276478
OpenAlexW2901933437

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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.