Evidence map›Paper›PMID 39443923›Full record

ArticleJournal of nanobiotechnology2024

Curcumin/pEGCG-encapsulated nanoparticles enhance spinal cord injury recovery by regulating CD74 to alleviate oxidative stress and inflammation.

Tianjun Chen, Li Wan, Yongchun Xiao, Ke Wang, Ping Wu, Can Li, Caiqiang Huang, Xiangge Liu, Wei Xue, Guodong Sun and 3 more

Abstract read
In one paragraph

Article in Journal of nanobiotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed, 1 pooled it
–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

26 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  16. Sappanone A Promotes Motor Function Recovery in Spinal Cord Injury Mice by Inhibiting Microglial M1 Polarization via Activation of the Keap1/Nrf2 Pathway.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
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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

13 authors.

Tianjun Chen *Department of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Li Wan *Department of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Yongchun Xiao *Department of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Ke WangDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Ping WuDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Can LiKey Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou, 510632, China.
Caiqiang HuangDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Xiangge LiuDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Wei XueKey Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou, 510632, China.
Guodong SunDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China.
Xin JiKey Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou, 510632, China. jixin@jnu.edu.cn.
Hongsheng LinDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China. tlinhsh@jnu.edu.cn.
Zhisheng JiDepartment of Orthopedics, The First Afffliated Hospital, Jinan University, Guangzhou, Guangdong, 510632, China. tzhishengji@jnu.edu.cn.

Funding

Clinical Frontier Technology Program of the First Affiliated Hospital of Jinan University Nos. JNU1AF-CFTP- 2022- a01206Guangzhou Science and TechnologyPlan Projec 2023A03J1024Guangzhou Science and TechnologyPlan Project 202201020018Guangzhou Science and TechnologyPlan Project 2023A04J1284National Natural Science Foundation of China Nos.32170977National Natural Science Foundation of China Nos. 82102314Natural Science Foundation of Guangdong Province Nos. 2022A1515010438Natural Science Foundation of Guangdong Province Nos.2022A1515012306The Open Fund of Guangdong Provincial Key Laboratory of Laboratory of Spine and Spinal Cord Reconstruction 2023B121203001Young Talent Support Project of Guangzhou Association for Science and Technology QT2024-39
6 · The paper itself

Abstract

Spinal cord injury (SCI) often accompanies impairment of motor function, yet there is currently no highly effective treatment method specifically for this condition. Oxidative stress and inflammation are pivotal factors contributing to severe neurological deficits after SCI. In this study, a type of curcumin (Cur) nanoparticle (HA-CurNPs) was developed to address this challenge by alleviating oxidative stress and inflammation. Through non-covalent interactions, curcumin (Cur) and poly (-)-epigallocatechin-3-gallate (pEGCG) are co-encapsulated within hyaluronic acid (HA), resulting in nanoparticles termed HA-CurNPs. These nanoparticles gradually release curcumin and pEGCG at the SCI site. The released pEGCG and curcumin not only scavenge reactive oxygen species (ROS) and prevents apoptosis, thereby improving the neuronal microenvironment, but also regulate CD74 to promote microglial polarization toward an M2 phenotype, and inhibits M1 polarization, thereby suppressing the inflammatory response and fostering neuronal regeneration. Moreover, in vivo experiments on SCI mice demonstrate that HA-CurNPs effectively protect neuronal cells and myelin, reduce glial scar formation, thereby facilitating the repair of damaged spinal cord tissues, restoring electrical signaling at the injury site, and improving motor functions. Overall, this study demonstrates that HA-CurNPs significantly reduce oxidative stress and inflammation following SCI, markedly improving motor function in SCI mice. This provides a promising therapeutic approach for the treatment of SCI.

Indexed as

CatechinCurcuminInflammationMice, Inbred C57BLNanoparticlesOxidative StressSpinal Cord InjuriesAnimalsFemaleHyaluronic AcidMiceMicrogliaPolyethylene GlycolsReactive Oxygen SpeciesRecovery of FunctionCatechinCurcuminepigallocatechin gallateHyaluronic AcidPolyethylene GlycolsReactive Oxygen SpeciesCD74CurcuminMiceROSSCI

Identifiers

PMID39443923
PMCPMC11515499

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.