Evidence map›Paper›PMID 28749444›Full record

ArticlePharmaceutics2017

A Possible Percutaneous Penetration Pathway That Should Be Considered.

Ichiro Hatta, Noboru Ohta, Hiromitsu Nakazawa

Abstract read
In one paragraph

Article in Pharmaceutics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Evaluation of intercellular lipid lamellae in the stratum corneum by polarized microscopy.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) · 2022
    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

3 authors.

Ichiro HattaDepartment of Research, Nagoya Industrial Science Research Institute, 1-13 Yotsuyadori, Chikusa-ku, Nagoya 464-0819, Japan. ichirohatta@gmail.com.
Noboru OhtaResearch & Utilization Division, Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan. noboru_o@spring8.or.jp.
Hiromitsu NakazawaDepartment of Physics, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan. nakazawa@kwansei.ac.jp.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The intercellular lipids in the stratum corneum form structures composed of ordered phases with orthorhombic and hexagonal hydrocarbon-chain packing structures and, in addition, a structure composed of a disordered fluid phase. Although the fluid phase plays an important role in percutaneous penetration, little attention has been paid to it in the literature thus far. Recently, a method to estimate the proportion of the fluid phase within the lipids of the stratum corneum was proposed and it was shown to reach about 80%. However, since that study assumed uniform extraction of the intercellular lipids from the stratum corneum, the analysis might give rise to an overestimation of the proportion of the lipids in the fluid phase. We developed a way to investigate the proportion of the lipids in the fluid phase by treating with ethanol, into which the lipids in the fluid phase might be dominantly dissolved. From the experiment we pointed out the possibility that the proportion of the lipids in the fluid phase reached more than 50% of the whole intercellular lipids. Therefore, the fluid-phase region in the intercellular lipid matrix should be taken into account when considering the percutaneous penetration mechanism.

Indexed as

500 Daethanolfluidhexagonalhydrocarbon chainintercellular lipidorthorhombicstratum corneumX-ray diffraction

Identifiers

PMID28749444
PMCPMC5620567

What OpenQuestion holds

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Registered trials

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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.