Evidence map›Paper›PMID 31223479›Full record

ArticleTranslational neurodegeneration2019

Dihydromyricetin and Salvianolic acid B inhibit alpha-synuclein aggregation and enhance chaperone-mediated autophagy.

Jia-Zhen Wu, Mustafa Ardah, Caroline Haikal, Alexander Svanbergsson, Meike Diepenbroek, Nishant N Vaikath, Wen Li, Zhan-You Wang, Tiago F Outeiro, Omar M El-Agnaf and 1 more

Open access · goldAbstract read
In one paragraph

Article in Translational neurodegeneration, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
4.9field-weighted citation impact, top 4% 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

44 citing papers in PubMed, 69 citations in OpenAlex.

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  9. Fasudil inhibits α-synuclein aggregation through ROCK-inhibition-mediated mechanisms.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
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  18. Dihydromyricetin Alleviates Ischemic Brain Injury by Antagonizing Pyroptosis in Rats.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2023
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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

11 authors at 5 institutions in 5 countries.

Jia-Zhen Wu1Institute of Neuroscience, College of Life and Health Sciences, Northeastern University, Shenyang, Liaoning China.
Mustafa Ardah2Department of Biochemistry, College of Medicine and Health Sciences, United Arab Emirates University, PO Box 17666, Al-Ain, United Arab Emirates.
Caroline Haikal3Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Department of Experimental Medical Science, BMC A10, 221 84 Lund, Sweden.
Alexander Svanbergsson3Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Department of Experimental Medical Science, BMC A10, 221 84 Lund, Sweden.
Meike Diepenbroek3Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Department of Experimental Medical Science, BMC A10, 221 84 Lund, Sweden.
Nishant N Vaikath3Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Department of Experimental Medical Science, BMC A10, 221 84 Lund, Sweden.
Wen Li3Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Department of Experimental Medical Science, BMC A10, 221 84 Lund, Sweden.
Zhan-You Wang5Institute of Heath Sciences, China Medical University, 110112 Shenyang, People's Republic of China.
Tiago F Outeiro7Department of Experimental Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain, Center for Biostructural Imaging of Neurodegeneration, University Medical Center Göttingen, 37073 Göttingen, Germany.
Omar M El-Agnaf4Neurological Disorders Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Education City, Qatar Foundation, P.O. Box 5825, Doha, Qatar.
Jia-Yi Li1Institute of Neuroscience, College of Life and Health Sciences, Northeastern University, Shenyang, Liaoning China.ORCID 0000-0002-7770-7376
Wallenberg Wood Science Center · SEChina Medical University · CNHamad bin Khalifa University · QAUnited Arab Emirates University · AEUniversitätsmedizin Göttingen · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundProgressive accumulation of α-synuclein is a key step in the pathological development of Parkinson's disease. Impaired protein degradation and increased levels of α-synuclein may trigger a pathological aggregation

resultsIn the present study, we investigated the effects on the CMA pathway and α-synuclein aggregation using bioactive ingredients (Dihydromyricetin (DHM) and Salvianolic acid B (Sal B)) extracted from natural medicinal plants. In both cell-free and cellular models of α-synuclein aggregation, after administration of DHM and Sal B, we observed significant inhibition of α-synuclein accumulation and aggregation. Cells were co-transfected with a C-terminal modified α-synuclein (SynT) and synphilin-1, and then treated with DHM (10 μM) and Sal B (50 μM) 16 hours after transfection; levels of α-synuclein aggregation decreased significantly (68% for DHM and 75% for Sal B). Concomitantly, we detected increased levels of LAMP-1 (a marker of lysosomal homeostasis) and LAMP-2A (a key marker of CMA). Immunofluorescence analyses showed increased colocalization between LAMP-1 and LAMP-2A with α-synuclein inclusions after treatment with DHM and Sal B. We also found increased levels of LAMP-1 and LAMP-2A both

conclusionsOur data indicate that DHM and Sal B are effective in modulating α-synuclein accumulation and aggregate formation and augmenting activation of CMA, holding potential for the treatment of Parkinson's disease.

Indexed as

alpha-synucleinchaperone-mediated autophagylysosomal-associated membrane proteinmacroautophagyParkinson diseaseprotein aggregation

Identifiers

PMID31223479
PMCPMC6570948
OpenAlexW2949568249

What OpenQuestion holds

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LicenceCC BY
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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.