Evidence map›Paper›PMID 38084376›Full record

ArticleOrthopaedic surgery2024

Exploring Causal Relationships between Leukocyte Telomere Length, Sex Hormone-Binding Globulin Levels, and Osteoporosis Using Univariable and Multivariable Mendelian Randomization.

Kaibo Sun, Mengying Li, Yongtao Wu, Yuangang Wu, Yi Zeng, Shengliang Zhou, Linbo Peng, Bin Shen

Open access · goldAbstract read
In one paragraph

Article in Orthopaedic surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 29% 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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 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.

Kaibo SunDepartment of Orthopedics Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
Mengying LiCenter of Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Yongtao WuWest China School of Medicine, Sichuan University, Chengdu, China.
Yuangang WuDepartment of Orthopedics Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
Yi ZengDepartment of Orthopedics Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.ORCID https://orcid.org/0000-0003-1650-8020
Shengliang ZhouDepartment of Orthopedics Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
Linbo PengDepartment of Orthopedics Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
Bin ShenDepartment of Orthopedics Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.ORCID https://orcid.org/0000-0002-9632-7221
Sichuan University · CNFirst Affiliated Hospital of Zhengzhou University · CN

Funding

National Natural Science Foundation of China 81974347National Natural Science Foundation of China 82272561Natural Science Foundation of Sichuan Province 23NSFSC4104Postdoctoral Research Foundation of China 2021M702351Science and Technology Department of Sichuan Province 2022YFS0050Science and Technology Department of Sichuan Province 2022YFS0061
6 · The paper itself

Abstract

objectiveRecent evidence supports that leukocyte telomere length (LTL) may be positively associated with healthy living and inversely correlated with the risk of age-related diseases, including osteoporosis. Furthermore, it is important to note that sex hormone-binding globulin (SHBG) levels play a crucial role in the regulation of osteoporosis by influencing the availability of sex hormones. Hence, this study holds significant importance as it aims to unravel the roles of LTL and SHBG levels and determine which one acts as a predominant intermediary factor in influencing osteoporosis. Using Mendelian randomization (MR), we can gain valuable insights into the intricate relationships between aging, sex hormones, and bone health.

methodsUnivariable and multivariable and MR analyses were employed in this study. First, we used genetic variants associated with both LTL, as determined from a study involving 472,174 European participants by Codd et al., and SHBG levels, as identified in a study conducted by Ruth et al. with 370,125 participants, as instrumental variables (IVs). Then we aimed to establish a causal relationship between LTL and SHBG levels and their potential impact on osteoporosis using univariable MR. Finally, we conducted multivariable MR to provide insights into the independent and combined effects of LTL, SHBG levels on osteoporosis risk. We used various MR methods, with the primary analysis employing the inverse-variance weighted (IVW) model.

resultsUnivariable MR analysis reveals a potential causal effect of longer LTL on reduced risk of osteoporosis [odds ratio (OR): 0.85; 95% confidence interval (CI): 0.73-0.99; p = 0.03]. Conversely, higher genetically determined SHBG levels affect the risk of osteoporosis positively. (OR: 1.38; 95% CI: 1.09-1.75; p < 0.01). We observed a negative causal effect for LTL on the occurrence of SHBG (OR: 0.96; 95% CI 0.94-0.98, p < 0.01). After adjustment of using multivariable MR, the causal effect of LTL on osteoporosis (OR: 0.92; 95% CI: 0.84-1.03; p = 0.14), and the effect of SHBG on osteoporosis (OR: 1.43; 95% CI: 1.16-1.75; p < 0.01) were observed.

conclusionLonger LTL may confer a protective effect against osteoporosis. Additionally, the levels of SHBG appear to play a crucial role in mediating the relationship between LTL and osteoporosis. By understanding the interplay between these factors, we can gain valuable insights into the mechanisms underlying bone health and aging and potentially identify new avenues for prevention and intervention strategies.

Indexed as

Mendelian Randomization AnalysisOsteoporosisGonadal Steroid HormonesHumansLeukocytesSex Hormone-Binding GlobulinTelomereGonadal Steroid HormonesSex Hormone-Binding GlobulinLeukocyte telomere lengthMendelian randomizationOsteoporosisSex hormone-binding globulin

Identifiers

PMID38084376
PMCPMC10834216
OpenAlexW4389607566

What OpenQuestion holds

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LicenceCC BY-NC-ND
Read underepoch 390

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.