Evidence map›Paper›PMID 41495703›Full record

ArticleJournal of nanobiotechnology2026

RVG-targeted extracellular vesicles loaded with echinatin attenuate dopaminergic neurodegeneration via the IGF-2/PI3K/Akt pathway in Parkinson's disease mice.

Liuyan Ding, Yuchen Xiao, Zongtang Xu, Ziting Zhu, Tingting Gan, Xingting Huang, Hui Shu, Xiaolei Liang, Mingshu Mo, Xiaoyun Huang and 4 more

Abstract read
In one paragraph

Article in Journal of nanobiotechnology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Article
  2. Dietary Yam (Nutrients · 2026
    Article
  3. Review
  4. Review
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

14 authors.

Liuyan Ding *Department of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China.
Yuchen Xiao *Department of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China.
Zongtang Xu *Department of Neurology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
Ziting ZhuDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China.
Tingting GanXinjiang Medical University Affiliated Second Hospital, Urumqi, 830054, Xinjiang, China.
Xingting HuangXinjiang Medical University Affiliated Second Hospital, Urumqi, 830054, Xinjiang, China.
Hui ShuDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China.
Xiaolei LiangDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China.
Mingshu MoDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China.
Xiaoyun HuangDepartment of Neurology, Houjie Hospital of Dongguan, The Clinical Medicine of Guangdong Medical University, Guangdong, 523955, China.
Xiaoqin ZhuDepartment of Physiology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
Weiqing HuangDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China. drhwq@126.com.
Pingyi XuDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China. pingyixu@sina.com.
Wenlong ZhangDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical university, Guangzhou, 510120, China. 2024991049@gzhmu.edu.cn.

Funding

Guangzhou basic and applied basic research foundation 2024A04J3540the National Natural Science Foundation of China 82471261;82101325
6 · The paper itself

Abstract

backgroundParkinson's disease (PD) is a progressive neurodegenerative disorder characterized by the loss of dopaminergic (DA) neurons. The development of effective neuroprotective therapies is severely hampered by the blood-brain barrier (BBB), which restricts drug delivery to the central nervous system. This study aimed to develop a novel brain-targeted nanodelivery system by functionalizing extracellular vesicles (EVs) with a rabies virus glycoprotein (RVG)-derived peptide to deliver echinatin (Echi), and to systematically evaluate its therapeutic efficacy and underlying mechanisms in a mouse model of PD.

resultsWe successfully engineered the nanotherapeutics, termed RVG-EVs@Echi, which efficiently crossed the BBB and selectively accumulated in DA neurons and microglia following systemic administration. In a chronic MPTP-induced mouse model of PD, treatment with RVG-EVs@Echi significantly ameliorated motor deficits and rescued tyrosine hydroxylase (TH)-positive neurons in the substantia nigra and striatum, with no detectable peripheral toxicity. Mechanistically, RVG-EVs@Echi exerted potent neuroprotective effects by upregulating insulin-like growth factor-2 (IGF-2) and activating the downstream PI3K/Akt/Nrf2 signaling cascade, which mitigated oxidative stress and neuronal apoptosis. Furthermore, integrated multi-omics analyses revealed that RVG-EVs@Echi treatment modulated metabolic profiles in the midbrain and gut, and partially restored MPTP-induced gut microbiota dysbiosis.

conclusionsThis study demonstrates that RVG-EVs@Echi represents a safe, noninvasive, and effective nanotherapeutic platform for targeted brain delivery in PD. By activating the IGF-2/PI3K/Akt/Nrf2 neuroprotective pathway and modulating the gut-brain metabolic axis, this targeted delivery system presents a highly promising and translatable strategy for the treatment of PD and other neurodegenerative diseases.

Indexed as

Extracellular VesiclesParkinson DiseaseAnimalsDisease Models, AnimalDopaminergic NeuronsGlycoproteinsInsulin-Like Growth Factor IIMaleMiceMice, Inbred C57BLNeuroprotective AgentsPeptide FragmentsPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktSignal TransductionViral ProteinsGlycoproteinsInsulin-Like Growth Factor IINeuroprotective AgentsPeptide FragmentsPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktrabies virus glycoprotein peptideViral ProteinsBlood–brain barrier penetrationEchinatinEngineered extracellular vesiclesIGF2NeuroprotectionParkinson's diseaseRVG peptide

Identifiers

PMID41495703
PMCPMC12870896

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
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 Socratic graph.