Evidence map›Paper›PMID 22231987›Full record

ArticlePharmaceutical research2012

Targeted delivery of proteins into the central nervous system mediated by rabies virus glycoprotein-derived peptide.

Ailing Fu, Yilin Wang, Liping Zhan, Rumei Zhou

Abstract read
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In one paragraph

Article in Pharmaceutical research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
4.8field-weighted citation impact, top 5% 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

31 citing papers in PubMed, 71 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

4 authors at 1 institution in 1 country.

Ailing FuSchool of Pharmaceutical Sciences, Southwest University, Tian Sheng Road, Beibei District, Chongqing, 400716, China. Fuailing1008@hotmail.com
Yilin Wang
Liping Zhan
Rumei Zhou
Southwest University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeDelivery of therapeutic proteins across the blood-brain barrier (BBB) is severely limited by their size and biochemical properties. Here we showed that a 39-amino acid peptide derived from the rabies virus glycoprotein (RDP) was exploited as an efficient protein carrier for brain-targeting delivery.

methodsThree proteins with different molecular weight and pI, β-galactosidase (β-Gal), luciferase (Luc) and brain-derived neurotrophic factor (BDNF), were fused to RDP and intravenously injected into the mice respectively. The slices of different tissues with X-Gal staining were used to examine whether RDP could deliver β-Gal targeted into the CNS. The time-course relationship of RDP-Luc was studied to confirm the transport efficiency of RDP. The neuroprotective function of RDP-BDNF was examined in mouse experimental stroke to explore the pharmacological effect of RDP fusion protein.

resultsThe results showed that the fusion proteins rapidly and specific entered the nerve cells in 15 min, and the t(1/2) was about 1 hr. Furthermore, RDP-BDNF fusion protein showed the neuroprotective properties in mouse experimental stroke including reduction of stroke volume and neural deficit.

conclusionsRDP provides an effective approach for the targeted delivery of biological active proteins into the central nervous system.

Indexed as

Drug CarriersAnimalsbeta-GalactosidaseBlood-Brain BarrierBrain-Derived Neurotrophic FactorCapillary PermeabilityChemistry, PharmaceuticalDisease Models, AnimalDrug CompoundingGlycoproteinsHalf-LifeHumansInfarction, Middle Cerebral ArteryInjections, IntravenousLuciferasesMalebeta-GalactosidaseBrain-Derived Neurotrophic FactorDrug CarriersGlycoproteinsLuciferasesNeuroprotective AgentsPeptide FragmentsRecombinant Fusion ProteinsViral Proteins

Identifiers

PMID22231987
OpenAlexW1992498787

What OpenQuestion holds

Textmetadata
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.