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J Clin Med. 2019 Jul 27;8(8). doi: 10.3390/jcm8081116.

Low Vitamin K Status Is Associated with Increased Elastin Degradation in Chronic Obstructive Pulmonary Disease.

Journal of clinical medicine

Ianthe Piscaer, Jody M W van den Ouweland, Kristina Vermeersch, Niki L Reynaert, Frits M E Franssen, Spencer Keene, Emiel F M Wouters, Wim Janssens, Cees Vermeer, Rob Janssen

Affiliations

  1. Department of Respiratory Medicine, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands. [email protected].
  2. Clinical Chemistry, Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands.
  3. Laboratory of Respiratory Diseases, Catholic University Leuven, 3000 Leuven, Belgium.
  4. Department of Respiratory Medicine, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands.
  5. CIRO, Centre of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands.
  6. Department of Respiratory Medicine, University of Birmingham, Birmingham B15 2TT, UK.
  7. Department of Respiratory Medicine, Catholic University Leuven, 3000 Leuven, Belgium.
  8. R&D Group VitaK, Maastricht University, 6229 EV Maastricht, The Netherlands.
  9. Department of Pulmonary Medicine, Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands.

PMID: 31357639 PMCID: PMC6724066 DOI: 10.3390/jcm8081116

Abstract

Elastin degradation is accelerated in chronic obstructive pulmonary disease (COPD) and is partially regulated by Matrix Gla Protein (MGP), via a vitamin K-dependent pathway. The aim was to assess vitamin K status in COPD as well as associations between vitamin K status, elastin degradation, lung function parameters and mortality. A total of 192 COPD patients and 186 age-matched controls were included. In addition to this, 290 COPD patients from a second independent longitudinal cohort were also included. Vitamin K status was assessed by measuring plasma inactive MGP levels and rates of elastin degradation by measuring plasma desmosine levels. Reduced vitamin K status was found in COPD patients compared to smoking controls (

Keywords: chronic obstructive pulmonary disease; desmosine; elastin degradation; matrix Gla protein; vitamin K

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