Evidence map›Paper›PMID 29275501›Full record

ArticleTranslational stroke research2018

Baicalin Attenuates Blood-Brain Barrier Disruption and Hemorrhagic Transformation and Improves Neurological Outcome in Ischemic Stroke Rats with Delayed t-PA Treatment: Involvement of ONOO

Hansen Chen, Binghe Guan, Xi Chen, Xingmiao Chen, Caiming Li, Jinhua Qiu, Dan Yang, Ke Jian Liu, Suhua Qi, Jiangang Shen

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Article in Translational stroke research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed
6.2field-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

46 citing papers in PubMed, 110 citations in OpenAlex.

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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

10 authors at 6 institutions in 4 countries.

Hansen ChenSchool of Chinese Medicine, The University of Hong Kong, Sassoon Road, Pokfulam, Hong Kong SAR, People's Republic of China.
Binghe GuanSchool of Chinese Medicine, The University of Hong Kong, Sassoon Road, Pokfulam, Hong Kong SAR, People's Republic of China.
Xi ChenDepartment of Core Facility, The People's Hospital of Bao-an Shenzhen, Shenzhen Shi, China.
Xingmiao ChenSchool of Chinese Medicine, The University of Hong Kong, Sassoon Road, Pokfulam, Hong Kong SAR, People's Republic of China.
Caiming LiDepartment of Neurology, Huizhou First Hospital, Huizhou, Guangdong Province, China.
Jinhua QiuDepartment of Neurology, Huizhou First Hospital, Huizhou, Guangdong Province, China.
Dan YangMorningside Laboratory for Chemical Biology and Department of Chemistry, The University of Hong Kong, Hong Kong SAR, China.
Ke Jian LiuDepartment of Pharmaceutical Sciences, College of Pharmacy, The University of New Mexico, Albuquerque, NM, 87131, USA.
Suhua QiResearch Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221000, People's Republic of China. suhuaqi@xzhmu.edu.cn.
Jiangang ShenSchool of Chinese Medicine, The University of Hong Kong, Sassoon Road, Pokfulam, Hong Kong SAR, People's Republic of China. shenjg@hkucc.hku.hk.ORCID 0000-0003-4772-5300
Chinese University of Hong Kong · HKHuizhou Central People's Hospital · CNCity University of Hong Kong, Shenzhen Research Institute · CNUniversity of Hong Kong · HKUniversity of New Mexico · USXuzhou Medical College · CN

Funding

Areas of Excellence Scheme, RGC, Hong Kong SAR AoE/P-705/16Health and Medical Research Fund, Hong Kong SAR 13142901Hong Kong General Research Fund 17102915Hong Kong General Research Fund 17118717National Natural Science Foundation of China (CN) 81671164Natural Science Foundation of the Jiangsu Higher Education Institutions of China 13KJA310005Shenzhen Basic Research Plan Project. SIRI/04/04/2015/06
6 · The paper itself

Abstract

Tissue plasminogen activator (t-PA) has a restrictive therapeutic window within 4.5 h after ischemic stroke with the risk of hemorrhagic transformation (HT) and neurotoxicity when it is used beyond the time window. In the present study, we tested the hypothesis that baicalin, an active compound of medicinal plant, could attenuate HT in cerebral ischemia stroke with delayed t-PA treatment. Male Sprague-Dawley rats were subjected to middle cerebral artery occlusion (MCAO) for 4.5 h and then continuously received t-PA infusion (10 mg/kg) for 0.5 h and followed by 19-h reperfusion. Baicalin (50, 100, 150 mg/kg) was administrated via femoral vein at 4.5 h after MCAO cerebral ischemia. Delayed t-PA infusion significantly increased the mortality rate, induced HT, blood-brain barrier (BBB) damage, and apoptotic cell death in the ischemic brains and exacerbated neurological outcomes in cerebral ischemia-reperfusion rats at 24 h after MCAO cerebral ischemia. Co-treatment of baicalin significantly reduced the mortality rates, ameliorated the t-PA-mediated BBB disruption and HT. Furthermore, baicalin showed to directly scavenge peroxynitrite and inhibit MMP-9 expression and activity in the ischemic brains with the delayed t-PA treatment. Baicalin had no effect on the t-PA fibrinolytic function indicated by t-PA activity assay. Taken together, baicalin could attenuate t-PA-mediated HT and improve the outcomes of ischemic stroke treatment possibly via inhibiting peroxynitrite-mediated MMP-9 activation.

Indexed as

Intracranial HemorrhagesNervous System DiseasesAnimalsAnti-Inflammatory Agents, Non-SteroidalBlood-Brain BarrierCapillary PermeabilityCell HypoxiaCells, CulturedDisease Models, AnimalFibrinolytic AgentsFlavonoidsGlial Fibrillary Acidic ProteinGlucoseInfarction, Middle Cerebral ArteryMaleMatrix Metalloproteinase 9Anti-Inflammatory Agents, Non-SteroidalbaicalinFibrinolytic AgentsFlavonoidsGlial Fibrillary Acidic ProteinGlucoseMatrix Metalloproteinase 9Mmp9 protein, mouseTissue Plasminogen ActivatorBaicalinHemorrhagic transformationIschemic strokeNatural compoundPeroxynitriteTissue plasminogen activator

Identifiers

PMID29275501
OpenAlexW2776018495

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.