Evidence map›Paper›PMID 36829782›Full record

ArticleAntioxidants (Basel, Switzerland)2023

DTPA-Bound Planar Catechin with Potent Antioxidant Activity Triggered by Fe

Kiyoshi Fukuhara, Ikuo Nakanishi, Kohei Imai, Mirei Mizuno, Ken-Ichiro Matsumoto, Akiko Ohno

Open access · goldAbstract read
In one paragraph

Article in Antioxidants (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
1.0field-weighted citation impact, top 28% 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

2 citing papers in PubMed, 7 citations in OpenAlex.

  1. Review
  2. 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

6 authors at 3 institutions in 1 country.

Kiyoshi FukuharaDivision of Organic and Medicinal Chemistry, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo 142-8555, Japan.ORCID 0000-0001-9677-7911
Ikuo NakanishiQuantum RedOx Chemistry Team, Institute for Quantum Life Science (iQLS), Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology (QST), Inage-ku, Chiba 263-8555, Japan.ORCID 0000-0001-9204-0664
Kohei ImaiDivision of Organic and Medicinal Chemistry, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo 142-8555, Japan.
Mirei MizunoDivision of Organic and Medicinal Chemistry, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo 142-8555, Japan.
Ken-Ichiro MatsumotoQuantitative RedOx Sensing Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology (QST), Inage-ku, Chiba 263-8555, Japan.ORCID 0000-0002-8151-4067
Akiko OhnoDivision of Risk Assessment, Center for Biological Safety & Research, National Institute of Health Sciences, Kawasaki-ku, Kawasaki, Kanagawa, Yokohama 210-9501, Japan.
Showa University · JPNational Institutes for Quantum Science and Technology · JPNational Institute of Health Sciences · JP

Funding

Japan Society for the Promotion of Science 22K06508
6 · The paper itself

Abstract

In diseases related to oxidative stress, accumulation of metal ions at the site of pathogenesis results in the generation of reactive oxygen species (ROS) through the reductive activation of oxygen molecules catalyzed by the metal ions. If these metals can be removed and the generated ROS can be strongly scavenged, such diseases can be prevented and treated. Planar catechins exhibit stronger radical scavenging activity than natural catechins and can efficiently scavenge hydroxyl radicals generated by the Fenton reaction without showing pro-oxidant effects, even in the presence of iron ions. Hence, in the current study, we designed a compound in which diethylenetriaminepentaacetic acid (DTPA), a metal chelator, was bound to a planar catechin with enhanced radical scavenging activity by immobilizing the steric structure of a natural catechin to be planar. This compound showed almost no radical scavenging activity due to intramolecular hydrogen bonding of DTPA with the planar catechins; however, when coordinated with Fe

Indexed as

antioxidant activitycatechindiethylenetriaminepentaacetic acidFe3+

Identifiers

PMID36829782
PMCPMC9952317
OpenAlexW4317425340

What OpenQuestion 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 OpenQuestion graph.