Evidence map›Paper›PMID 25565803›Full record

ArticleInternational journal of nanomedicine2015

Activation of Schwann cells in vitro by magnetic nanocomposites via applied magnetic field.

Zhongyang Liu, Liangliang Huang, Liang Liu, Beier Luo, Miaomiao Liang, Zhen Sun, Shu Zhu, Xin Quan, Yafeng Yang, Teng Ma and 2 more

Open access · goldAbstract read
In one paragraph

Article in International journal of nanomedicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.5field-weighted citation impact, top 21% 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

12 citing papers in PubMed, 35 citations in OpenAlex.

  1. The Direct Effect of Magnetic TapeSensors (Basel, Switzerland) · 2021
    Trial
  2. Review
  3. Article
  4. Review
  5. Review
  6. Review
  7. Article
  8. Magnetic Composite Biomaterials for Neural Regeneration.Frontiers in bioengineering and biotechnology · 2019
    Review
  9. Article
  10. Article
  11. Article
  12. Article
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

12 authors at 3 institutions in 1 country.

Zhongyang LiuDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Liangliang HuangDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Liang LiuDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Beier LuoDepartment of Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China.
Miaomiao LiangDepartment of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Zhen SunDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Shu ZhuDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Xin QuanDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Yafeng YangDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Teng MaDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Jinghui HuangDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Zhuojing LuoDepartment of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China.
Xijing Hospital · CNAir Force Medical University · CNSecond Military Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Schwann cells (SCs) are attractive seed cells in neural tissue engineering, but their application is limited by attenuated biological activities and impaired functions with aging. Therefore, it is important to explore an approach to enhance the viability and biological properties of SCs. In the present study, a magnetic composite made of magnetically responsive magnetic nanoparticles (MNPs) and a biodegradable chitosan-glycerophosphate polymer were prepared and characterized. It was further explored whether such magnetic nanocomposites via applied magnetic fields would regulate SC biological activities. The magnetization of the magnetic nanocomposite was measured by a vibrating sample magnetometer. The compositional characterization of the magnetic nanocomposite was examined by Fourier-transform infrared and X-ray diffraction. The tolerance of SCs to the magnetic fields was tested by flow-cytometry assay. The proliferation of cells was examined by a 5-ethynyl-2-deoxyuridine-labeling assay, a PrestoBlue assay, and a Live/Dead assay. Messenger ribonucleic acid of BDNF, GDNF, NT-3, and VEGF in SCs was assayed by quantitative real-time polymerase chain reaction. The amount of BDNF, GDNF, NT-3, and VEGF secreted from SCs was determined by enzyme-linked immunosorbent assay. It was found that magnetic nanocomposites containing 10% MNPs showed a cross-section diameter of 32.33±1.81 µm, porosity of 80.41%±0.72%, and magnetization of 5.691 emu/g at 8 kOe. The 10% MNP magnetic nanocomposites were able to support cell adhesion and spreading and further promote proliferation of SCs under magnetic field exposure. Interestingly, a magnetic field applied through the 10% MNP magnetic scaffold significantly increased the gene expression and protein secretion of BDNF, GDNF, NT-3, and VEGF. This work is the first stage in our understanding of how to precisely regulate the viability and biological properties of SCs in tissue-engineering grafts, which combined with additional molecular factors may lead to the development of new nerve grafts.

Indexed as

Magnetic FieldsAnimalsBrain-Derived Neurotrophic FactorCell ProliferationCell SurvivalChitosanGene Expression RegulationGlial Cell Line-Derived Neurotrophic FactorGlycerophosphatesMagnetite NanoparticlesNanocompositesNeurotrophin 3PolymersPorosityRatsRats, Sprague-DawleyBrain-Derived Neurotrophic FactorChitosanGdnf protein, ratGlial Cell Line-Derived Neurotrophic FactorGlycerophosphatesMagnetite NanoparticlesNeurotrophin 3PolymersRNA, MessengerVascular Endothelial Growth Factor Avascular endothelial growth factor A, ratcell proliferationmagnetic fieldnanocompositeSchwann cell

Identifiers

PMID25565803
PMCPMC4275057
OpenAlexW1974785363

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.