Evidence map›Paper›PMID 22617521›Full record

ArticleJournal of controlled release : official journal of the Controlled Release Society2012

Enhanced skin permeation using polyarginine modified nanostructured lipid carriers.

Punit P Shah, Pinaki R Desai, Debra Channer, Mandip Singh

Abstract read
In one paragraph

Article in Journal of controlled release : official journal of the Controlled Release Society, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed, 1 pooled it
5.0field-weighted citation impact, top 4% 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

39 citing papers in PubMed, 1 synthesis or guideline pooled it, 116 citations in OpenAlex.

  1. Pooled it
  2. Reduction of Ultraviolet- and Heat-Induced Aging Using Betulin-Loaded Arginine-Caprylate Self-Assembly: Randomized Double-Blind Clinical Trials.Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI) · 2026
    Trial
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  6. Polymeric Nanohydrogel in Topical Drug Delivery System.International journal of nanomedicine · 2024
    Review
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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.

Punit P ShahCollege of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA.
Pinaki R Desai
Debra Channer
Mandip Singh
Florida Agricultural and Mechanical University · US

Funding

THE PREVENTION OF B(A)P INDUCED CELL TRANSFORMATION BY ORGANOSULFUR COMPOUNDSG12RR003020 · NCRR · FLORIDA AGRICULTURAL AND MECHANICAL UNIV · PI SOLIMAN, KARAM F.A. · 1985 to 2011
$29.7M
Recruitment and HiringG12MD007582 · NIMHD · FLORIDA AGRICULTURAL AND MECHANICAL UNIV · PI SOLIMAN, KARAM F.A. · 2012 to 2017
$16.0M
Targeted Nanocarrier Combination Based Therapy for Lung CancerP20MD006738 · NIMHD · FLORIDA AGRICULTURAL AND MECHANICAL UNIV · PI RAHMAN, SALEH MD. MAHMUDUR · 2012 to 2016
$5.6M
Development of Topical Neuroinflammatory InhibitorsS11AR047455 · NIAMS · FLORIDA AGRICULTURAL AND MECHANICAL UNIV · PI SACHDEVA, MANDIP SINGH · 2001 to 2005
$1.5M
NCRR NIH HHS 2G12 RR003020NCRR NIH HHS G12 RR003020NIAMS NIH HHS S11 AR047455NIMHD NIH HHS 8G12 MD007582-28NIMHD NIH HHS G12 MD007582NIMHD NIH HHS P20 MD006738
6 · The paper itself

Abstract

The objective of the present study was to investigate the effect of polyarginine chain length on topical delivery of surface modified NLCs. Design of experiments (DOE) was used to optimize number of arginines required to deliver active drug into deeper skin layers. The NLCs were prepared by hot-melt technique and the surface of NLCs was modified with six-histidine tagged cell penetrating peptides (CPPs) or YKA. In vivo confocal microscopy and Raman confocal spectroscopy studies were performed using fluorescent dye encapsulated NLCs and NLC-CPPs. Spantide II (SP) and ketoprofen (KP) were used as model drugs for combined delivery. In vitro skin permeation and drug release studies were performed using Franz diffusion cells. Inflammatory response corresponding to higher skin permeation was investigated in allergic contact dermatitis (ACD) mouse model. NLCs had a particle size of 140±20nm with higher encapsulation efficiencies. The negative charge of NLC was reduced from -17.54 to -8.47 mV after surface modification with CPPs. In vivo confocal microscopy and Raman confocal spectroscopy studies suggested that a peptide containing 11 arginines (R11) had significant permeation enhancing ability than other polyarginines and TAT peptides. The amount of SP and KP retained in dermis after topical application of NLC-R11 was significantly higher than solution and NLC after 24 h of skin permeation. SP was not found in receiver compartment. However, KP was found in receiver compartment and the amount of KP present in receiver compartment was increased approximately 7.9 and 2.6 times compared to the control solution and NLCs, respectively. In an ACD mouse model, SP+KP-NLC-R11 showed significant reduction (p<0.05) in ear thickness compared to SP+KP solution and SP+KP-NLC. Our results strongly suggest that the surface modification of NLC with R11 improved transport of SP and KP across the deeper skin layers and thus results in reduction of inflammation associated with ACD.

Indexed as

Administration, TopicalAllergensAnimalsAnti-Inflammatory Agents, Non-SteroidalCell-Penetrating PeptidesDermatitis, Allergic ContactDinitrofluorobenzeneDrug CarriersKetoprofenLipidsMaleMiceMice, Inbred C57BLNanoparticlesOligopeptidesPeptidesAllergensAnti-Inflammatory Agents, Non-SteroidalCell-Penetrating PeptidesDinitrofluorobenzeneDrug CarriersKetoprofenLipidsOligopeptidesPeptidespolyarginineR11 peptidespantide IISubstance P

Identifiers

PMID22617521
PMCPMC3412947
OpenAlexW2046088979

What OpenQuestion holds

Textmetadata
LicenceTDM
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.