Background The signalling peptide endotrophin is derived through proteolytic cleavage of the carboxyl-terminal during formation of type VI collagen. It is expressed by most descendants of the mesenchymal stem cells lineage, including adipocytes and fibroblasts, and have been proposed to be a centra...
May 24, 2021
Journal:
Lancet Respir Med
Author:
Staunstrup Mærsk L, Bager CL, Frederiksen P, Wulff Helge J, Brunak S, Christiansen C, Karsdal MA
Objective: Dysregulation of type I collagen metabolism has a great impact on human health. We have previously seen that matrix metalloproteinase-degraded type I collagen (C1M) is associated with early death and age-related pathologies. To dissect the biological impact of type I collagen dysregulatio...
September 20, 2020
Journal:
Neurol Genet
Author:
Tang ME, Blair JPM, Bager CL, Bay-Jensen AC, Henriksen K, Christiansen C, Karsdal MA.
BACKGROUND: Several epidemiological studies have shown an association between bone mineral density (BMD) and risk of breast cancer in postmenopausal women, but it remains unknown whether bone turnover is associated with increased risk of cancer. The aim of this study was to investigate if markers of...
BACKGROUND: Type VI collagen (COL6) is associated with several pro-tumorigenic events. COL6 is primarily composed of three alpha-chains (a1-a3) forming a specialized microfibrillar network to support tissue architecture. COL6 homeostasis is lost in the tumor due to increased COL6 synthesis by activa...
OBJECTIVES: Lysyl oxidase like 2 (LOXL2) is associated with poor prognosis in idiopathic pulmonary disease (IPF) and cancer. We developed an Enzyme-linked immunosorbent assay (ELISA) targeting the LOXL2 neo-epitope generated through the release of the signal peptide during LOXL2 maturation. DESIGN ...
November 30, 2018
Journal:
Biochem Biophys Res Commun.
Author:
Leeming DJ, Willumsen N, Holm Nielsen S, Dasgupta B, Brodmerkel C, Bager CL, Karsdal MA, Bülow Sand JM
BACKGROUND: The relationship between levels of extracellular matrix (ECM) turnover and mortality is currently unknown. The study aimed to determine if levels of ECM turnover are predictors of all-cause mortality in a large cohort of post-menopausal women. METHODS: 5,855 postmenopausal Danish women ...
July 14, 2018
Journal:
J Gerontol A Biol Sci Med Sci
Author:
Bager CL, Willumsen N, Bay-Jensen AC, Karsdal MA, Nielsen Bay H
Background: Decorin is one of the most abundant proteoglycans of the extracellular matrix and is mainly secreted and deposited in the interstitial matrix by fibroblasts where it plays an important role in collagen turnover and tissue homeostasis. Degradation of decorin might disturb normal tissue ho...
August 9, 2017
Journal:
BMC Pulm Med.
Author:
Karsdal MA, Leeming DJ, Brix S, Curran M, Brodmerkel C, Dasgupta B, Willumsen N, Bager CL, Kehlet SN
Loss of basement membrane (BM) integrity is typically associated with cancer. Nidogen-1 is an essential component of the BM. Nidogen-1 is a substrate for cathepsin-S (CatS) which is released into the tumor microenvironment. Measuring nidogen-1 degraded by CatS may therefore have biomarker potential ...
Extensive tissue remodeling mediated by matrix metalloproteases (MMPs) is an important part of cancer. The aim of this study was to investigate whether serum biomarkers reflecting MMP-mediated degradation of type I collagen (C1M), type IV collagen (C4M) and citrullinated vimentin (VICM) were predict...
February 11, 2017
Journal:
Oncotarget
Author:
Willumsen N, Bager CL, Kehlet SN, Dragsbaek K, Neergaard JS, Hansen HB, Bay-Jensen AC, Leeming DJ, Lipton A, Christiansen C, Karsdal MA
BACKGROUND: An altered tumor microenvironment is one of the earliest signs of cancer and an important driver of the disease. We have seen previously that biomarkers reflecting tumor microenvironment modifications, such as matrix metalloproteinase (MMP)-degraded type 1 collagen (C1M), MMP-degraded ty...
July 13, 2016
Journal:
Cancer Epidemiol Biomarkers Prev.
Author:
Bager CL, Willumsen N, Kehlet SN, Hansen HB, Bay-Jensen AC, Leeming DJ, Dragsbæk K, Neergaard JS, Christiansen C, Høgdall E, Karsdal MA
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