Evidence map›Paper›PMID 30134790›Full record

ArticleMolecular medicine (Cambridge, Mass.)2018

Stachydrine protects eNOS uncoupling and ameliorates endothelial dysfunction induced by homocysteine.

Xinya Xie, Zihui Zhang, Xinfeng Wang, Zhenyu Luo, Baochang Lai, Lei Xiao, Nanping Wang

Open access · goldAbstract read
In one paragraph

Article in Molecular medicine (Cambridge, Mass.), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
2.3field-weighted citation impact, top 12% 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

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 40 citations in OpenAlex.

  1. Pooled it
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  18. Inhibition of GSK-3β restores delayed gastric emptying in obesity-induced diabetic female mice.American journal of physiology. Gastrointestinal and liver physiology · 2020
    Article
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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

7 authors at 2 institutions in 1 country.

Xinya XieCardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China.
Zihui ZhangCardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China.
Xinfeng WangCardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China.
Zhenyu LuoCardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China.
Baochang LaiCardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China.
Lei XiaoCardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, China. xiaolei0122@xjtu.edu.cn.
Nanping WangThe Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, 116044, China. nanpingwang2003@yahoo.com.
Xi'an Jiaotong University · CNDalian Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHyperhomocysteinemia (HHcy) is an independent risk factor for cardiovascular diseases (CVDs). Stachydrine (STA) is an active component in Chinese motherwort Leonurus heterophyllus sweet, which has been widely used for gynecological and cardiovascular disorders. This study is aimed to examine the effects of STA on homocysteine (Hcy)-induced endothelial dysfunction.

methodsThe effects of STA on vascular relaxation in rat thoracic aortas (TA), mesenteric arteries (MA) and renal arteries (RA) were measured by using Multi Myograph System. The levels of nitric oxide (NO), tetrahydrobiopterin (BH4) and guanosine 3', 5' cyclic monophosphate (cGMP) were determined. Endothelial nitric oxide synthase (eNOS) dimers and monomers were assayed by using Western blotting. GTP cyclohydrolase 1 (GTPCH1) and dihydrofolate reductase (DHFR) expressions were measured by using quantitative reverse transcriptase-PCR (qRT-PCR) and Western blotting.

resultsSTA effectively blocked Hcy-induced impairment of endothelium-dependent vasorelaxation in rat TA, MA and RA. STA-elicited arterial relaxations were reduced by NOS inhibitor NG-nitro-L-arginine methyl ester (L-NAME) or the NO-sensitive guanylyl cyclase inhibitor 1H- [1, 2, 4] Oxadiazolo[4,3-a]quinoxalin-1-one (ODQ), but not by inducible iNOS inhibitor 1400 W nor the nonselective COX inhibitor indomethacin. Hcy caused eNOS uncoupling and decreases in NO, cGMP and BH4, which were attenuated by STA. Moreover, STA prevented decreases of GTPCH1 and DHFR levels in Hcy-treated BAECs.

conclusionWe demonstrated that STA effectively reversed the Hcy-induced endothelial dysfunction and prevented eNOS uncoupling by increasing the expression of GTPCH1 and DHFR. These results revealed a novel mechanism by which STA exerts its beneficial vascular effects.

Indexed as

AnimalsAorta, ThoracicBiopterinsCattleCell LineCyclic GMPEndothelial CellsEndothelium, VascularHomocysteineMaleMesenteric ArteriesNitric OxideNitric Oxide Synthase Type IIIProlineRats, Sprague-DawleyRenal ArteryBiopterinsCyclic GMPHomocysteineNitric OxideNitric Oxide Synthase Type IIIProlinesapropterinstachydrineDHFReNOS uncouplingGTPCH1StachydrineVasorelaxation

Identifiers

PMID30134790
PMCPMC6016886
OpenAlexW2792920954

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.