Evidence mapPaperPMID 39458599Full record

ArticlePharmaceutics2024

A Modified Cell-Penetrating Peptide Enhances Insulin and Oxytocin Delivery across an RPMI 2650 Nasal Epithelial Cell Barrier In Vitro.

Sara Wong, Alexander D Brown, Abigail B Abrahams, An Nisaa Nurzak, Hoda M Eltaher, David A Sykes, Dmitry B Veprintsev, Kevin C F Fone, James E Dixon, Madeleine V King

Abstract read
In one paragraph

Article in Pharmaceutics, 2024. 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
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

6 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
  4. Enhanced localized pressure-mediated non-viral gene delivery.Drug delivery and translational research · 2025
    Article
  5. 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

10 authors.

Sara WongDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.ORCID 0009-0000-6951-3216
Alexander D BrownDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.
Abigail B AbrahamsDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.ORCID 0000-0002-9480-3909
An Nisaa NurzakRegenerative Medicine and Cellular Therapies, School of Pharmacy, Biodiscovery Institute (BDI), University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK.ORCID 0009-0003-6574-7965
Hoda M EltaherRegenerative Medicine and Cellular Therapies, School of Pharmacy, Biodiscovery Institute (BDI), University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK.ORCID 0000-0001-5602-2696
David A SykesDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.
Dmitry B VeprintsevDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.
Kevin C F FoneDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.ORCID 0000-0001-8760-2167
James E DixonRegenerative Medicine and Cellular Therapies, School of Pharmacy, Biodiscovery Institute (BDI), University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK.ORCID 0000-0003-1225-3825
Madeleine V KingDivision of Physiology Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK.ORCID 0000-0001-9290-9024

Funding

Biotechnology and Biological Sciences Research Council DTP PhD studentshipUniversity of Nottingham MRes Research Training Support GrantUniversity of Nottingham Vice-Chancellor's Scholarship for Research Excellence
6 · The paper itself

Abstract

methodsThe current research used in vitro assays for a novel exploration of PLR's ability to improve the transport of two contrasting peptides, insulin (51 residues, net negative charge) and oxytocin (9 residues, weak positive charge) across an RPMI 2650 human nasal epithelial cell barrier cultured at the air-liquid interface.

resultsPLR enhanced insulin transcytosis over a 6 h period by 7.8-fold when used at a 2:1 molar ratio of insulin/PLR (

conclusionsWe advocate the continued evaluation of insulin-PLR and oxytocin-PLR formulations, including longer-term assessments of ciliotoxicity and cytotoxicity in vitro followed by in vivo assessments of systemic and nose-to-brain delivery.

Indexed as

cell-penetrating peptideglycosaminoglycan-GAG-binding enhanced transductioninsulinnasal drug deliveryoxytocinRPMI 2650transcytosistransepithelial delivery

Identifiers

PMID39458599
PMCPMC11510563

What Socratic holds

Textmetadata
LicenceCC BY
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.