Evidence map›Paper›PMID 33795813›Full record

ArticleScientific reports2021

Uric acid shown to contribute to increased oxidative stress level independent of xanthine oxidoreductase activity in MedCity21 health examination registry.

Masafumi Kurajoh, Shinya Fukumoto, Shio Yoshida, Seigo Akari, Takayo Murase, Takashi Nakamura, Haruka Ishii, Hisako Yoshida, Yuki Nagata, Tomoaki Morioka and 4 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed, 3 pooled it
11.7field-weighted citation impact, top 1% 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

59 citing papers in PubMed, 3 syntheses or guidelines pooled it, 113 citations in OpenAlex.

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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

14 authors at 2 institutions in 1 country.

Masafumi KurajohDepartment of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan. m1155129@med.osaka-cu.ac.jp.
Shinya FukumotoDepartment of Premier Preventive Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan.
Shio YoshidaDepartment of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan.
Seigo AkariDepartment of Research and Development, Sanwa Kagaku Kenkyusho Co., Ltd., Aichi, Japan.
Takayo MuraseDepartment of Research and Development, Sanwa Kagaku Kenkyusho Co., Ltd., Aichi, Japan.
Takashi NakamuraDepartment of Research and Development, Sanwa Kagaku Kenkyusho Co., Ltd., Aichi, Japan.
Haruka IshiiDepartment of Medical Statistics, Osaka City University Graduate School of Medicine, Osaka, Japan.
Hisako YoshidaDepartment of Medical Statistics, Osaka City University Graduate School of Medicine, Osaka, Japan.
Yuki NagataDepartment of Vascular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan.
Tomoaki MoriokaDepartment of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan.
Katsuhito MoriDepartment of Nephrology, Osaka City University Graduate School of Medicine, Osaka, Japan.
Yasuo ImanishiDepartment of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan.
Kazuto HirataOsaka City University, Osaka, Japan.
Masanori EmotoDepartment of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan.
Osaka City University · JPRiso Kagaku (Japan) · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Uric acid has both antioxidant and pro-oxidant properties in vitro by scavenging and production of reactive oxygen species (ROS). This cross-sectional study examined whether uric acid possesses effects on oxidative stress under physiological conditions independent of xanthine oxidoreductase (XOR), which is involved in uric acid and ROS production. Serum uric acid level was measured, while plasma XOR activity was determined using our high-sensitive assay in 192 participants (91 males, 101 females) who underwent health examinations and were not taking an antihyperuricemic agent. For antioxidant potential and oxidative stress level, biological antioxidant potential (BAP) and derivative of reactive oxygen metabolites (d-ROMs) in serum, respectively, were measured. Median uric acid level and plasma XOR activity were 5.6 mg/dL and 26.1 pmol/h/mL, respectively, and BAP and d-ROMs levels were 2112.8 μmol/L and 305.5 Carr U, respectively. Multivariable regression analyses revealed no significant association of serum uric acid level with BAP level, whereas serum uric acid level showed a significant association with d-ROMs level independent of plasma XOR activity (p = 0.045), which was prominent in females (p = 0.036; p for interaction = 0.148). Uric acid might contribute to increased oxidative stress independent of XOR activity by increasing ROS production, without affecting ROS scavenging, especially in females.

Indexed as

Oxidative StressAgedAntioxidantsCross-Sectional StudiesFemaleHealth StatusHumansJapanMaleMetabolic SyndromeMiddle AgedMultivariate AnalysisReactive Oxygen SpeciesRegistriesUric AcidXanthine DehydrogenaseAntioxidantsReactive Oxygen SpeciesUric AcidXanthine Dehydrogenase

Identifiers

PMID33795813
PMCPMC8016900
OpenAlexW3142187620

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.