Evidence map›Paper›PMID 34155288›Full record

ArticleScientific reports2021

Serum lactate dehydrogenase activities as systems biomarkers for 48 types of human diseases.

Yuling Wu, Caixia Lu, Nana Pan, Meng Zhang, Yi An, Mengyuan Xu, Lijuan Zhang, Yachong Guo, Lijuan Tan

Abstract 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, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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, 1 synthesis or guideline pooled it.

  1. Pooled it
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  7. Association of volatile organic compounds with serum lactate dehydrogenase levels in the general adults.International archives of occupational and environmental health · 2026
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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

9 authors.

Yuling WuSystems Biology and Medicine Center for Complex Diseases, Center for Clinical Research, Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
Caixia LuDepartment of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
Nana PanDepartment of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
Meng ZhangSystems Biology and Medicine Center for Complex Diseases, Center for Clinical Research, Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
Yi AnDepartment of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
Mengyuan XuDepartment of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
Lijuan ZhangSystems Biology and Medicine Center for Complex Diseases, Center for Clinical Research, Affiliated Hospital of Qingdao University, Qingdao, 266003, China. zhanglj@qduhospital.cn.
Yachong GuoKuang Yaming Honors School, Nanjing University, Nanjing, 210023, China. yguo@nju.edu.cn.
Lijuan TanDepartment of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China. qdtanlijuan@126.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Most human diseases are systems diseases, and systems biomarkers are better fitted for diagnostic, prognostic, and treatment monitoring purposes. To search for systems biomarker candidates, lactate dehydrogenase (LDH), a housekeeping protein expressed in all living cells, was investigated. To this end, we analyzed the serum LDH activities from 172,933 patients with 48 clinically defined diseases and 9528 healthy individuals. Based on the median values, we found that 46 out of 48 diseases, leading by acute myocardial infarction, had significantly increased (p < 0.001), whereas gout and cerebral ischemia had significantly decreased (p < 0.001) serum LDH activities compared to the healthy control. Remarkably, hepatic encephalopathy and lung fibrosis had the highest AUCs (0.89, 0.80), sensitivities (0.73, 0.56), and specificities (0.90, 0.91) among 48 human diseases. Statistical analysis revealed that over-downregulation of serum LDH activities was associated with blood-related cancers and diseases. LDH activities were potential systems biomarker candidates (AUCs > 0.8) for hepatic encephalopathy and lung fibrosis.

Indexed as

Area Under CurveBiomarkersCase-Control StudiesDisease SusceptibilityFollow-Up StudiesHumansL-Lactate DehydrogenasePrognosisPublic Health SurveillanceROC CurveBiomarkersL-Lactate Dehydrogenase

Identifiers

PMID34155288
PMCPMC8217520

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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.