Evidence map›Paper›PMID 26664113›Full record

ArticleInternational journal of nanomedicine2015

Distribution of β-carotene-encapsulated polysorbate 80-coated poly(D, L-lactide-co-glycolide) nanoparticles in rodent tissues following intravenous administration.

Taiki Miyazawa, Kiyotaka Nakagawa, Takahiro Harigae, Ryo Onuma, Fumiko Kimura, Tomoyuki Fujii, Teruo Miyazawa

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 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.5field-weighted citation impact, top 35% 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

6 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Magnetic targeting of paclitaxel-loaded poly(lactic-International journal of nanomedicine · 2018
    Article
  6. 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

7 authors at 3 institutions in 2 countries.

Taiki MiyazawaVascular Biology Laboratory, Jean Mayer USDA (United States Department of Agriculture)-Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA ; Food and Biodynamic Chemistry Laboratory, Tohoku University, Sendai, Japan.
Kiyotaka NakagawaVascular Biology Laboratory, Jean Mayer USDA (United States Department of Agriculture)-Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA ; Food and Biodynamic Chemistry Laboratory, Tohoku University, Sendai, Japan.
Takahiro HarigaeFood and Biodynamic Chemistry Laboratory, Tohoku University, Sendai, Japan.
Ryo OnumaFood and Biodynamic Chemistry Laboratory, Tohoku University, Sendai, Japan.
Fumiko KimuraFood and Biodynamic Chemistry Laboratory, Tohoku University, Sendai, Japan.
Tomoyuki FujiiTerahertz Optical & Food Engineering Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.
Teruo MiyazawaFood and Biotechnology Innovation Project, New Industry Creation Hatchery Center (NICHe), Tohoku University, Sendai, Japan ; Food and Health Science Research Unit, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.
Dynamic Research (United States) · USTohoku University · JPTufts University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeBiodegradable nanoparticles (NPs) composed of poly(D, L-lactide-co-glycolide) (PLGA) have attracted considerable attention as delivery systems of drugs and antioxidative compounds, such as β-carotene (BC). Intravenous (IV) administration of BC-containing PLGA-NPs (BC-PLGA-NPs) coated with polysorbate 80 (PS80) has been shown to effectively deliver BC to the brain. However, the whole-body distribution profile of BC is still not clear. Therefore, we investigated the accumulation of BC in various organs, including the brain, following IV administration of PS80-coated BC-PLGA-NPs in rats.

methodsPS80-coated and uncoated BC-PLGA-NPs were prepared by solvent evaporation, and administered intravenously to Sprague Dawley rats at a BC dose of 8.5 mg/rat. Accumulation of BC in various organs (brain, heart, liver, lungs, and spleen) and blood plasma was evaluated by high performance liquid chromatography with ultraviolet (UV) detection, 1 hour after administration.

resultsWe prepared PS80-coated BC-PLGA-NPs with an entrapment efficiency of 14%, a particle size of 260 nm, and a zeta potential of -26 mV. Coating with PS80 was found to result in significant accumulation of BC in the lungs, rather than in the brain and other tissues. Further, plasma levels of BC in the PS80-coated BC-PLGA-NP group were much lower than those of the uncoated BC-PLGA-NP group.

conclusionFollowing IV administration, PS80-coated BC-PLGA-NPs are quickly transferred from plasma circulation to the lungs, rather than the brain. Significant accumulation of BC in the lungs may be useful for health-related applications.

Indexed as

Administration, IntravenousAnimalsbeta CaroteneBrainLactic AcidMaleNanoparticlesParticle SizePolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerPolysorbatesRats, Sprague-DawleyStatic ElectricityTissue Distributionbeta CaroteneLactic AcidPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerPolysorbatesintravenous administrationnanoparticlespoly(D, L-lactide-co-glycolide) (PLGA)polysorbate 80 (PS80)tissue distributionβ-carotene

Identifiers

PMID26664113
PMCPMC4669931
OpenAlexW2176466554

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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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.