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Elevated plasma YKL-40 and risk of infectious disease: a prospective study of 94665 individuals from the general population

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@article{c500390684d345e1ab62f9c112ae53dc,
title = "Elevated plasma YKL-40 and risk of infectious disease: a prospective study of 94665 individuals from the general population",
abstract = "Objectives: YKL-40 is an acute phase protein elevated in patients with infectious and inflammatory diseases. We tested the hypothesis that baseline elevated YKL-40 is associated with increased risk of future infectious disease in healthy individuals in the general population. Methods: We prospectively followed 94 665 individuals from the Danish general population for up to 23 years and analysed for plasma YKL-40 levels (n = 21 584) and CHI3L1 rs4950928 genotype (n = 94 184). Endpoints were any infection, bacterial pneumonia, urinary tract infection, skin infection, sepsis, diarrhoeal disease, and other infections. Results: For YKL-40 percentile category 91–100{\%} versus 0–33{\%}, the multifactorially and C-reactive protein (CRP) adjusted hazard ratios were 1.71 (95{\%} confidence interval 1.50–1.96; p 4 × 10 −14) for any infection, 1.97 (1.64–2.37; p 4 × 10 −13) for bacterial pneumonia, 1.62 (1.24–2.11; p 0.002) for urinary tract infection, 1.74 (1.31–2.32; p 2 × 10 −4) for skin infection, 1.76 (1.25–2.46; p 0.004) for sepsis, 1.90 (1.29–2.78; p 0.002) for diarrhoeal disease and 2.71 (1.38–5.35; p 0.01) for other infections. In multifactorially and CRP-adjusted models, a twofold increase in YKL-40 was associated with increased risk of all infectious disease endpoints. Mendelian randomization did not support causality, as CHI3L1 rs4950928 was associated with 94{\%} and 190{\%} higher YKL-40 levels (for CG and CC versus GG genotype), but not with increased risk of any infectious disease endpoint. Discussion: Baseline elevated plasma YKL-40 was not a cause but a strong marker of increased risk of future infectious diseases in individuals in the general population.",
keywords = "CHI3L1, Genetic epidemiology, Infectious disease, Sepsis, YKL-40",
author = "Kjaergaard, {Alisa D} and Jens Helby and Johansen, {Julia S} and Nordestgaard, {B{\o}rge G} and Bojesen, {Stig E}",
note = "Copyright {\circledC} 2020 European Society of Clinical Microbiology and Infectious Diseases. Published by Elsevier Ltd. All rights reserved.",
year = "2020",
month = "10",
doi = "10.1016/j.cmi.2020.01.010",
language = "English",
volume = "26",
pages = "1411.e1--1411.e9",
journal = "Clinical Microbiology and Infection",
issn = "1198-743X",
publisher = "Wiley-Blackwell Publishing Ltd",
number = "10",

}

RIS

TY - JOUR

T1 - Elevated plasma YKL-40 and risk of infectious disease

T2 - a prospective study of 94665 individuals from the general population

AU - Kjaergaard, Alisa D

AU - Helby, Jens

AU - Johansen, Julia S

AU - Nordestgaard, Børge G

AU - Bojesen, Stig E

N1 - Copyright © 2020 European Society of Clinical Microbiology and Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

PY - 2020/10

Y1 - 2020/10

N2 - Objectives: YKL-40 is an acute phase protein elevated in patients with infectious and inflammatory diseases. We tested the hypothesis that baseline elevated YKL-40 is associated with increased risk of future infectious disease in healthy individuals in the general population. Methods: We prospectively followed 94 665 individuals from the Danish general population for up to 23 years and analysed for plasma YKL-40 levels (n = 21 584) and CHI3L1 rs4950928 genotype (n = 94 184). Endpoints were any infection, bacterial pneumonia, urinary tract infection, skin infection, sepsis, diarrhoeal disease, and other infections. Results: For YKL-40 percentile category 91–100% versus 0–33%, the multifactorially and C-reactive protein (CRP) adjusted hazard ratios were 1.71 (95% confidence interval 1.50–1.96; p 4 × 10 −14) for any infection, 1.97 (1.64–2.37; p 4 × 10 −13) for bacterial pneumonia, 1.62 (1.24–2.11; p 0.002) for urinary tract infection, 1.74 (1.31–2.32; p 2 × 10 −4) for skin infection, 1.76 (1.25–2.46; p 0.004) for sepsis, 1.90 (1.29–2.78; p 0.002) for diarrhoeal disease and 2.71 (1.38–5.35; p 0.01) for other infections. In multifactorially and CRP-adjusted models, a twofold increase in YKL-40 was associated with increased risk of all infectious disease endpoints. Mendelian randomization did not support causality, as CHI3L1 rs4950928 was associated with 94% and 190% higher YKL-40 levels (for CG and CC versus GG genotype), but not with increased risk of any infectious disease endpoint. Discussion: Baseline elevated plasma YKL-40 was not a cause but a strong marker of increased risk of future infectious diseases in individuals in the general population.

AB - Objectives: YKL-40 is an acute phase protein elevated in patients with infectious and inflammatory diseases. We tested the hypothesis that baseline elevated YKL-40 is associated with increased risk of future infectious disease in healthy individuals in the general population. Methods: We prospectively followed 94 665 individuals from the Danish general population for up to 23 years and analysed for plasma YKL-40 levels (n = 21 584) and CHI3L1 rs4950928 genotype (n = 94 184). Endpoints were any infection, bacterial pneumonia, urinary tract infection, skin infection, sepsis, diarrhoeal disease, and other infections. Results: For YKL-40 percentile category 91–100% versus 0–33%, the multifactorially and C-reactive protein (CRP) adjusted hazard ratios were 1.71 (95% confidence interval 1.50–1.96; p 4 × 10 −14) for any infection, 1.97 (1.64–2.37; p 4 × 10 −13) for bacterial pneumonia, 1.62 (1.24–2.11; p 0.002) for urinary tract infection, 1.74 (1.31–2.32; p 2 × 10 −4) for skin infection, 1.76 (1.25–2.46; p 0.004) for sepsis, 1.90 (1.29–2.78; p 0.002) for diarrhoeal disease and 2.71 (1.38–5.35; p 0.01) for other infections. In multifactorially and CRP-adjusted models, a twofold increase in YKL-40 was associated with increased risk of all infectious disease endpoints. Mendelian randomization did not support causality, as CHI3L1 rs4950928 was associated with 94% and 190% higher YKL-40 levels (for CG and CC versus GG genotype), but not with increased risk of any infectious disease endpoint. Discussion: Baseline elevated plasma YKL-40 was not a cause but a strong marker of increased risk of future infectious diseases in individuals in the general population.

KW - CHI3L1

KW - Genetic epidemiology

KW - Infectious disease

KW - Sepsis

KW - YKL-40

UR - http://www.scopus.com/inward/record.url?scp=85079905052&partnerID=8YFLogxK

U2 - 10.1016/j.cmi.2020.01.010

DO - 10.1016/j.cmi.2020.01.010

M3 - Journal article

VL - 26

SP - 1411.e1-1411.e9

JO - Clinical Microbiology and Infection

JF - Clinical Microbiology and Infection

SN - 1198-743X

IS - 10

ER -

ID: 59349082