Interaction of the small interstitial proteoglycans biglycan, decorin and fibromodulin with transforming growth factor β

Interaction of the small interstitial proteoglycans biglycan, decorin and fibromodulin with transforming growth factor beta.

We have analysed the interactions of three proteoglycans of the decorin family, decorin, biglycan and fibromodulin, with transforming growth factor beta (TGF-beta). The proteoglycan core proteins, expressed from human cDNAs as fusion proteins with Escherichia coli maltose-binding protein, each bound TGF-beta 1. They showed only negligible binding to several other growth factors. Intact decorin,...

Transforming Growth Factor-β Signaling by Decorin

3 Chen Zhang, Chek Kun Tan, Craig McFarlane, Mridula Sharma, Nguan Soon Tan*, Ravi 4 Kambadur,*# 5 1. School of Biological Sciences, Nanyang Technological University, Singapore 637551. 6 2 Singapore Institute for Clinical Sciences, A*STAR, 30 Medical Centre Drive, National 7 University of Singapore, Singapore 8 3 Department of Biochemistry, YLL School of Medicine, National University of 9 Singa...

Proteoglycans Decorin and Biglycan with Interactions of the Extracellular Matrix

Caveat emptor: for researchers, a rose will not smell sweet unless we know its composition

In a recent publication in Bioscience Reports "Contaminants in commercial preparations of 'purified' small leucine-rich proteoglycans may distort mechanistic studies", Brown et al. identified by mass spectrometry and immunoblotting that certain commercial preparations of the small leucine-rich proteoglycans (SLRPs) decorin and biglycan, in fact, contained a mix of several proteoglycans that als...

Granzyme B Cleaves Decorin, Biglycan and Soluble Betaglycan, Releasing Active Transforming Growth Factor-β1

OBJECTIVE Granzyme B (GrB) is a pro-apoptotic serine protease that contributes to immune-mediated target cell apoptosis. However, during inflammation, GrB accumulates in the extracellular space, retains its activity, and is capable of cleaving extracellular matrix (ECM) proteins. Recent studies have implicated a pathogenic extracellular role for GrB in cardiovascular disease, yet the pathophysi...