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Widespread disturbance in extracellular matrix collagen biomarker responses to teriparatide therapy in osteogenesis imperfecta.

January 1, 2021

Bone

Abstract Osteogenesis imperfecta (OI), a heritable disorder caused by abnormalities in synthesis or processing of type I collagen, is characterized by skeletal fragility. Type I collagen interacts with multiple components of the extracellular matrix (ECM) including other collagens types. Thus, alterations in structure or quantity may broadly affect ECM homeostasis. In fact, while OI is […]

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The Citrullinated and MMP-degraded Vimentin Biomarker (VICM) Predicts Early Response to Anti-TNFα Treatment in Crohn’s Disease.

January 1, 2021

J Clin Gastroenterol

Abstract BACKGROUND In Crohn’s disease (CD), 10% to 40% of patients do not respond to anti-tumor necrosis factor-α (TNFα) treatment. Currently, there are no biomarkers with adequate sensitivity to separate responders from nonresponders at an early stage. AIM The aim of this study was to investigated whether early changes in the VICM (citrullinated and matrix […]

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Clinical and biochemical factors associated with risk of total joint replacement and radiographic progression in osteoarthritis: Data from two phase III clinical trials.

December 1, 2020

Semin Arthritis Rheum

Abstract OBJECTIVES Clinical trials of new disease-modifying treatments for osteoarthritis should demonstrate a positive effect on a functional outcome or reduction in joint failure in order to be considered successful. Total joint replacement (TJR) surgery may be considered as joint failure, but great variation in the incidence of TJR complicates its use as a study […]

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Combining biomarkers of clot resolution and alveolar basement membrane destruction predicts mortality in the ECLIPSE COPD cohort.

November 1, 2020

Respir Med

Abstract BACKGROUND Chronic obstructive pulmonary disease (COPD) is characterized by abnormal epithelial repair resulting in a hypercoagulable state with intra-alveolar accumulation of fibrin and alveolar basement membrane destruction. This study aimed to investigate if the combination of two serological biomarkers evaluating these pathological processes could improve the prediction of mortality risk compared to single biomarkers. […]

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The Janus kinase 1/2 inhibitor baricitinib reduces biomarkers of joint destruction in moderate to severe rheumatoid arthritis.

October 12, 2020

Arthritis Res Ther

Abstract BACKGROUND Tissue released blood-based biomarkers can provide insight into drug mode of action and response. To understand the changes in extracellular matrix turnover, we analyzed biomarkers associated with joint tissue turnover from a phase 3, randomized, placebo-controlled study of baricitinib in patients with active rheumatoid arthritis (RA). METHODS Serum biomarkers associated with synovial inflammation […]

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Hyperpolarized [1-(13) C] alanine production: A novel imaging biomarker of renal fibrosis.

October 1, 2020

Magn Reson Med

Abstract PURPOSE Renal tubulointerstitial fibrosis is strongly linked to the progressive decline of renal function seen in chronic kidney disease. State-of-the-art noninvasive diagnostic modalities are currently unable to detect the earliest changes associated with the onset of fibrosis. This study was undertaken to evaluate the potential for detecting the earliest alterations in fibrogenesis using a […]

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Serological Biomarkers of Tissue Turnover Identify Responders to Anti-TNF Therapy in Crohn’s Disease: A Pilot Study.

September 1, 2020

Clin Transl Gastroenterol

Abstract INTRODUCTION Anti-tumor necrosis factor (TNF) therapy is effective in inducing remission in Crohn’s disease in 60% of patients. No serological biomarkers are available, which can predict response to anti-TNF. We aimed to investigate serological markers of collagen turnover reflecting tissue inflammation as predictors of response to anti-TNF. METHODS In 2 retrospective observational cohorts, markers […]

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Advances in the clinical use of collagen as biomarker of liver fibrosis.

September 1, 2020

Expert Rev Mol Diagn

Abstract INTRODUCTION Hepatic fibrosis is the excessive synthesis and deposition of extracellular matrix including collagen in the tissue. Chronic liver insult leads to progressive parenchymal damage, portal hypertension, and cirrhosis. Determination of hepatic collagen by invasive liver biopsy is the gold standard to estimate severity and stage of fibrosis. However, this procedure is associated with […]

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Atrial fibrillation and cardiac fibrosis: A review on the potential of extracellular matrix proteins as biomarkers.

September 1, 2020

Matrix Biol

Abstract The involvement of fibrosis as an underlying pathology in heart diseases is becoming increasingly clear. In recent years, fibrosis has been granted a causative role in heart diseases and is now emerging as a major contributor to Atrial Fibrillation (AF) pathogenesis. AF is the most common arrhythmia encountered in the clinic, but the substrate […]

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A novel biomarker of MMP-cleaved prolargin is elevated in patients with psoriatic arthritis.

August 11, 2020

Sci Rep

Abstract Psoriatic arthritis (PsA) is a chronic musculoskeletal inflammatory disease found in up to 30% of psoriasis patients. Prolargin-an extracellular matrix (ECM) protein present in cartilage and tendon-has been previously shown elevated in serum of patients with psoriasis. ECM protein fragments can reflect tissue turnover and pathological changes; thus, this study aimed to develop, validate […]

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