Evidence map›Paper›PMID 35296324›Full record

ArticleJournal of translational medicine2022

Melatonin increases bone mass in normal, perimenopausal, and postmenopausal osteoporotic rats via the promotion of osteogenesis.

Huanshuai Guan, Ning Kong, Run Tian, Ruomu Cao, Guanzhi Liu, Yiyang Li, Qilu Wei, Ming Jiao, Yutian Lei, Fangze Xing and 3 more

Open access · goldAbstract read
In one paragraph

Article in Journal of translational medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
19.0field-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

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 52 citations in OpenAlex.

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  12. Molecular and Cellular Mechanisms of Osteoporosis.International journal of molecular sciences · 2023
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  13. Melatonin and bone-related diseases: an updated mechanistic overview of current evidence and future prospects.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2023
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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

13 authors at 2 institutions in 1 country.

Huanshuai Guan *Bone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Ning Kong *Bone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Run TianBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Ruomu CaoBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Guanzhi LiuBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Yiyang LiBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Qilu WeiBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Ming JiaoBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Yutian LeiBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Fangze XingBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Peng TianBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Kunzheng WangBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Pei YangBone and Joint Surgery Center, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China. yangpei@xjtu.edu.cn.ORCID 0000-0002-0466-2875
Second Affiliated Hospital of Xi'an Jiaotong University · CNChina-Japan Friendship Hospital · CN

Funding

National Natural Science Foundation of China 82072448
6 · The paper itself

Abstract

backgroundOsteoporosis is a disease threatening the health of millions of individuals. Melatonin is found to be a potential anti-osteoporosis drug. However, whether melatonin plays a role against osteoporosis at different stages of the menopause and the underlying mechanisms are unknown.

methodsOvariectomy was utilized as a model of perimenopausal and postmenopausal osteoporosis. A total of 100 mg/kg melatonin, or solvent alone, was added to the drinking water of the rats over 8 weeks. Perimenopausal rats immediately received intervention following ovariectomy while postmenopausal rats received intervention 8 weeks after ovariectomy. All rats underwent overdose anesthesia following intervention after which blood samples and femurs were collected for further analysis. Rat femurs were scanned using micro-CT and examined histologically. The serum levels of melatonin and osteogenic biochemical markers were measured and the expression of osteogenesis-associated genes (Runx2, Sp7) were quantified by real-time quantitative PCR. Alkaline phosphatase (ALP) activity and the gene expression (Col1a1, Runx2, Alpl, and Bglap) were measured after bone marrow mesenchymal stem cells (BMSCs) were osteogenically induced, both with and without melatonin in vitro. ALP staining and Alizarin Red S staining were used to identify osteogenesis.

resultsAnalysis by micro-CT and histological staining demonstrated that bone mass decreased and bone microarchitecture deteriorated over time after ovariectomy. Intervention with melatonin increased bone mass in normal, perimenopausal, and postmenopausal osteoporotic rats. Serum levels of ALP continuously increased after ovariectomy while osteocalcin levels initially rose, then decreased. Melatonin increased the serum levels of ALP and osteocalcin and mRNA expression levels of Runx2 and Sp7 in normal and postmenopausal rats, the opposite of the markers in perimenopausal rats. In vitro study demonstrated that 100 μmol/L melatonin increased the mRNA expression of Col1a1, Runx2, and Alpl three and/or seven days after intervention, and Alpl and Bglap 14 d after intervention. Melatonin increased ALP activity and the extent of ALP and matrix mineralization in the late stage of osteogenesis.

conclusionsBone mass continuously decreased after ovariectomy, while melatonin increased bone mass and ameliorated bone metabolism in normal, perimenopausal, and postmenopausal osteoporotic rats due to the induction of osteogenic differentiation in BMSCs.

Indexed as

MelatoninMesenchymal Stem CellsAnimalsFemaleOsteogenesisPerimenopausePostmenopauseRatsMelatoninBone marrow mesenchymal stem cellsDifferent stages of the menopauseMelatoninOsteogenesisOsteoporosis

Identifiers

PMID35296324
PMCPMC8925213
OpenAlexW4220708368

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.