Evidence map›Paper›PMID 32021402›Full record

ArticleJournal of pain research2020

Oxidative Stress Contributes to Hyperalgesia in Osteoporotic Mice.

Chen Tu, Di-Zheng Wu, Yu-Sheng Huang, Jing-Shen Zhuang, Ji-Huan Zeng, Ping Xu, Ting-Ting Meng, Zhao-Ming Zhong

Open access · goldAbstract read
In one paragraph

Article in Journal of pain research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.0field-weighted citation impact, top 26% 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

7 citing papers in PubMed, 14 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

8 authors at 2 institutions in 1 country.

Chen TuDepartment of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Di-Zheng WuDepartment of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Yu-Sheng HuangDepartment of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Jing-Shen ZhuangDepartment of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.ORCID 0000-0003-0046-0376
Ji-Huan ZengDepartment of Orthopaedic Surgery, Jiangxi Province People's Hospital, Nanchang University, Nanchang, People's Republic of China.
Ping XuDepartment of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Ting-Ting MengDepartment of Anaesthesia, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Zhao-Ming ZhongDepartment of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Nanfang Hospital · CNNanchang University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeChronic pain is one of the most common complications of postmenopausal osteoporosis. Since oxidative stress is involved in the pathogenesis of postmenopausal osteoporosis, we explored whether oxidative stress contributes to postmenopausal osteoporotic pain.

methodsOsteoporosis was induced in mice by ovariectomy (OVX). Pain-related behaviours were assessed by measuring sensitivity to mechanical, thermal and cold stimulation. The expression of pain-related transcripts, such acid-sensing ion channel 3 (ASIC3), transient receptor potential vanilloid 1 (TRPV1) and calcitonin gene-related peptide (CGRP), was evaluated. Plasma markers of oxidative stress were also measured. In addition, the effects of the reactive oxygen species scavenger phenyl N-tert-butylnitrone (PBN) on these parameters were assessed.

resultsThe OVX mice presented hyperalgesia, as demonstrated by decreased paw withdrawal thresholds to mechanical stimulation and withdrawal latencies to thermal and cold stimulation, along with upregulated expression of ASIC3, TRPV1 and CGRP in the dorsal root ganglia, spinal cord and thalamus tissue. OVX elevated the plasma levels of malondialdehyde (MDA) and advanced oxidation protein products (AOPPs). However, the administration of PBN alleviated these effects.

conclusionOur results indicated that oxidative stress contributes to hyperalgesia in OVX mice. Enhanced oxidative stress may be associated with osteoporotic pain. Antioxidant treatment could help alleviate chronic pain in postmenopausal osteoporotic patients.

Indexed as

hyperalgesiaosteoporosisoxidative stressPBN

Identifiers

PMID32021402
PMCPMC6970262
OpenAlexW2999777662

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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.