23 Publication(s) found
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Hepatic System
5. Sep 2018

No effect of rifaximin on soluble CD163, mannose receptor of type III and IV neoepitope collagen markers in decompensated cirrhosis: Results from a randomized placebo controlled trial

BACKGROUND AND AIMS:
Macrophages play a significant role in chronic liver disease as reflected by elevated soluble (s)CD163 and mannose receptor (sMR) levels and associated with liver disease severity and prognosis. Extracellular matrix remodelling associated with fibrogenesis may be affected by sy…

Hepatic System
5. Sep 2018

No effect of rifaximin on soluble CD163, mannose receptor or type III and IV neoepitope collagen markers in decompensated cirrhosis: Results from a randomized, placebo controlled trial.

BACKGROUND AND AIMS:
Macrophages play a significant role in chronic liver disease as reflected by elevated soluble (s)CD163 and mannose receptor (sMR) levels and associated with liver disease severity and prognosis. Extracellular matrix remodelling associated with fibrogenesis may be affected by sy…

Hepatic System
30. Aug 2018

Assessment of liver fibrosis progresion and regression by a serological collagen turnover profile

OBJECTIVE:
There is a need for non-invasive biomarkers that can identify patients with progressive liver fibrosis and monitor response to anti-fibrotic therapy. An equally important need is identification of patients with spontaneous fibrosis regression, since they may not need treatment nor be inc…

Hepatic System
16. Jul 2018

Serological markers of extracellular matrix remodeling predict transplant-free survival in primary sclerosing cholangitis

BACKGROUND:
Primary sclerosing cholangitis is a progressive liver disease with a remarkably variable course. Biomarkers of disease activity or prognostic models predicting outcome at an individual level are currently not established.

AIM:
To evaluate the prognostic utility of four biomarkers of…

Non-Alcoholic Fatty Liver Disease, Hepatic System
16. Jul 2018

ADAPT: An algorithm incorporating PRO-C3 accurately identifies patients with NAFLD and advanced fibrosis.

BACKGROUND AND AIM:
Given the high global prevalence of non-alcoholic fatty liver disease (NAFLD), the need for relevant non-invasive biomarkers and algorithms to accurately stage disease severity is a critical unmet medical need. Identifying those with advanced fibrosis (≥F3) is the most crucial, …

Hepatic System
18. Jan 2018

Acute decompensation boosts hepatic collagen type III deposition and deteriorates experimental and human cirrhosis

Patients with end-stage liver disease develop acute decompensation (AD) episodes, which become more frequent and might develop into acute-on-chronic liver failure (ACLF). However, it remains unknown how AD induces acceleration of liver disease. We hypothesized that remodeling of collagen type III pl…

Extracellular Matrix Research
21. Jul 2017

The good and the bad collagens of fibrosis - Their role in signaling and organ function

Usually the dense extracellular structure in fibrotic tissues is described as extracellular matrix (ECM) or simply as collagen. However, fibrosis is not just fibrosis, which is already exemplified by the variant morphological characteristics of fibrosis due to viral versus cholestatic, autoimmune or…

Hepatic System, Type 2-Diabetes
20. Oct 2016

Fibrogenesis assessed by serological type III collagen formation identifies patients with progressive liver fibrosis and responders to anti-fibrotic therapy

There are no approved treatments for liver fibrosis. To aid development of antifibrotic therapies, noninvasive biomarkers that can identify patients with progressive fibrosis and that permit monitoring of the response to antifibrotic therapy are much needed. Samples from a phase II antifibrotic tria…

Hepatic System, Hepatitis B/C, Extracellular Matrix Research
3. Oct 2016

Fibrosis is not just fibrosis - basement membrane modelling and collagen metabolism differs between hepatitis B- and C-induced injury

BACKGROUND:
While morphological patterns differ, the molecular phenotype of liver fibrosis is considered a stereotypical response to chronic liver injury. However, with different cellular triggers and networks regulating fibrosis, the molecular responses of the injured liver may not be identical.

Type 2-Diabetes
8. Sep 2016

Serum endotrophin identifies optimal responders to PPARγ agonists in type 2 diabetes

AIMS/HYPOTHESIS:
The treatment of type 2 diabetes with full peroxisome proliferator-activated receptor gamma (PPARγ) agonists improves insulin sensitivity, but is associated with weight gain, heart failure, peripheral oedema and bone loss. Endotrophin, the C-terminal fragment of the α3 chain of pro…

Hepatitis B/C, Hepatic System
25. Sep 2015

Markers of Collagen Remodeling Detect Clinically Significant Fibrosis in Chronic Hepatitis C Patients

BACKGROUND AND AIM:
Detection of advanced fibrosis (Metavir F≥3) is important to identify patients with a high urgency of antiviral treatments vs. those whose treatment could be deferred (F≤2). The aim was to assess the diagnostic value of novel serological extracellular matrix protein fragments as…

Hepatic System, Non-Alcoholic Fatty Liver Disease
3. Jul 2015

Circulating Elastin Fragments Are Not Affected by Hepatic, Renal and Hemodynamic Changes, But Reflect Survival in Cirrhosis with TIPS

BACKGROUND AND AIMS:
Progressive fibrosis increases hepatic resistance and causes portal hypertension with complications. During progressive fibrosis remodeling and deposition of collagens and elastin occur. Elastin remodeling is crucially involved in fibrosis progression in animal models and human…

Hepatic System, Non-Alcoholic Fatty Liver Disease
15. May 2015

Novel insights into the function and dynamics of extracellular matrix in liver fibrosis

Emerging evidence suggests that altered components and posttranslational modifications of proteins in the extracellular matrix (ECM) may both initiate and drive disease progression. The ECM is a complex grid consisting of multiple proteins, most of which play a vital role in containing the essential…

Hepatic System, Alcoholic Liver Disease
1. May 2015

Pro-C5, a marker of true type V collagen formation and fibrillation, correlates with portal hypertension in patients with alcoholic cirrhosis

BACKGROUND AND AIMS:
The hepatic venous pressure gradient (HVPG) is an important but invasive diagnostic and prognostic marker in cirrhotic patients. The aim of the study was to evaluate a novel biochemical plasma marker of true type V collagen formation (Pro-C5) for describing HVPG.

METHODS:
N…

Extracellular Matrix Research, Hepatitis B/C, Hepatic System
1. Feb 2015

Plasma Pro-C3 (N-terminal type III collagen propeptide) predicts fibrosis progression in patients with chronic hepatitis C

BACKGROUND & AIMS:
Fibrogenesis results in release of certain extracellular matrix protein fragments into the circulation. We evaluated the diagnostic and prognostic performance of two novel serological markers, the precisely cleaved N-terminal propeptide of type III collagen (Pro-C3) and a peptide…

1. Sep 2014

Combined antiretroviral therapy attenuates hepatic extracellular matrix remodeling in HIV patients assessed by novel protein fingerprint markers

OBJECTIVES:
Combined antiretroviral therapy (cART) attenuates hepatic fibrosis in hepatitis C virus and HIV coinfected patients. However, the role of HIV or cART on hepatic fibrosis in HIV monoinfection is discussed controversially. During liver fibrosis, matrix metalloproteinases (MMPs) degrade ex…

Hepatic System, Alcoholic Liver Disease
5. Nov 2013

Novel serological neo-epitope markers of extracellular matrix proteins for the detection of portal hypertension

BACKGROUND:
The hepatic venous pressure gradient (HVPG) is an invasive, but important diagnostic and prognostic marker in cirrhosis with portal hypertension (PHT). During cirrhosis, remodelling of fibrotic tissue by matrix metalloproteinases (MMPs) is a permanent process generating small fragments …

Hepatic System, Alcoholic Liver Disease
30. Jul 2013

Serum markers of the extracellular matrix remodeling reflect antifibrotic therapy in bile-duct ligated rats

BACKGROUND:
Progression of liver fibrosis is characterized by synthesis and degradation of extracellular matrix (ECM). Matrix-metalloproteinases (MMP) cleave collagen fibers at a specific site and thereby generate soluble fragments of ECM (neo-epitopes). The levels of these neo-epitopes might refle…

Hepatic System, Alcoholic Liver Disease
19. Apr 2013

The neo-epitope specific PRO-C3 ELISA measures true formation of type III collagen associated with liver and muscle parameters

AIM:
The present study describes the assessment of true formation of type III collagen in different pathologies using a neo-epitope specific competitive Enzyme-linked immunosorbent assay (ELISA) towards the N-terminal propeptide of type III collagen (PRO-C3).

METHODS:
The monoclonal antibody wa…

Extracellular Matrix Research
11. Mar 2013

Extracellular matrix remodeling: the common denominator in connective tissue diseases. Possibilities for evaluation and current understanding of the matrix as more than a passive architecture, but a key player in tissue failure

Increased attention is paid to the structural components of tissues. These components are mostly collagens and various proteoglycans. Emerging evidence suggests that altered components and noncoded modifications of the matrix may be both initiators and drivers of disease, exemplified by excessive ti…

Hepatic System, Alcoholic Liver Disease
13. Dec 2012

Phosphodiesterase inhibition mediates matrix metalloproteinase activity and the level of collagen degradation fragments in a liver fibrosis ex vivo rat model

BACKGROUND:
Accumulation of extracellular matrix (ECM) and increased matrix metalloproteinase (MMP) activity are hallmarks of liver fibrosis. The aim of the present study was to develop a model of liver fibrosis combining ex vivo tissue culture of livers from CCl(4) treated animals with an ELISA de…

Respiratory System, Chronic Obstructive Pulmonary Disease, Idiopathic Pulmonary Fibrosis
11. Jul 2012

Serological investigation of the collagen degradation profile of patients with chronic obstructive pulmonary disease or idiopathic pulmonary fibrosis

In both chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF), abnormally high collagen remodeling occurs within the lung tissue. Matrix metalloproteinase (MMP)-degraded type I, III, IV, V and VI collagen and a disintegrin and metalloproteinase with thrombospondin moti…

Hepatic System, Alcoholic Liver Disease
16. May 2012

Enzyme-linked immunosorbent serum assay specific for the 7S domain of Collagen Type IV (P4NP 7S): A marker related to the extracellular matrix remodeling during liver fibrogenesis

AIM:
The present study describes the ability of a newly developed N-terminal pro-peptides of type IV collagen 7S domain (P4NP 7S) competitive enzyme-linked immunosorbent assay (ELISA) for describing liver fibrosis. The assay applies a monoclonal antibody specific for a PIVNP 7S epitope 100% homolog…